Malware reports

Malware Miscellany, June 2008

  1. Greediest Trojan targeting banks
    As we move into summer, Trojan-Banker.Win32.Banker.ohq takes the crown in this category, by targeting customers of 56 banks.

  2. Greediest Trojan targeting e-payment systems
    Trojan-Banker.Win32.Banker.olr wins this category in June, targeting three payment systems.

  3. Greediest malicious program targeting payment cards
    Here, naturally enough, there’s another password stealing Trojan: Trojan PSW.Win32.Agent.apl has its sights sent on four payment card systems

  4. Stealthiest malicious program
    Trojan-PSW.Win32.Delf.jj wins this month, as it’s packed with eight different packers.

  5. Smallest malicious program
    Trojan.BAT.KillFiles.hx is rather larger than last month’s winner in this category but is still only 26 bytes in size. It’s capable of wiping the contents of C:.

  6. Largest malicious program
    June’s winner, Trojan Banker.Win32.Bancos.mk, at 31MB in size, is by no means the largest program we’ve seen in this category.

  7. Most malicious program
    Once again Agobot makes an appearance, with a modification of Backdoor.Win32.Agobot.gen victorious this month. Its payload holds no surprises: it deletes a wide range of security products both from memory and from disk.

  8. Most common malicious program in email traffic
    This category doesn’t seem to change much from month to month: our old friend, Email-Worm.Win32.Netsky.q again takes the prize, having made up 34.15% of infected mail traffic in June.

  9. Most common Trojan family
    3295 different modifications of Trojan-GameThief.Win32.OnlineGames were detected this month.

  10. Most common virus/ worm family
    Worm.Win32.Autorun is back after an absence last month, with 152 new modifications: not a huge number for this category.

Malware Miscellany, June 2008

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Reports

Ferocious Kitten: 6 years of covert surveillance in Iran

Ferocious Kitten is an APT group that has been targeting Persian-speaking individuals in Iran. Some of the TTPs used by this threat actor are reminiscent of other groups, such as Domestic Kitten and Rampant Kitten. In this report we aim to provide more details on these findings.

Andariel evolves to target South Korea with ransomware

In April 2021, we observed a suspicious Word document with a Korean file name and decoy. It revealed a novel infection scheme and an unfamiliar payload. After a deep analysis, we came to a conclusion: the Andariel group was behind these attacks.

Operation TunnelSnake

A newly discovered rootkit that we dub ‘Moriya’ is used by an unknown actor to deploy passive backdoors on public facing servers, facilitating the creation of a covert C&C communication channel through which they can be silently controlled. The victims are located in Africa, South and South-East Asia.

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