Analysis

  • max time kernel
    40s
  • max time network
    54s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08-05-2022 07:26

General

  • Target

    94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.exe

  • Size

    442KB

  • MD5

    5b94d54679128d9eca615d310b94fedf

  • SHA1

    52f735724d34f8036b9f3cb9b26521172fe6b7d1

  • SHA256

    94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0

  • SHA512

    059d5708658adef150a3a22eec6f31aa5d3b7b7f0c1e0639dd919c590ea04cdcf31f4a444ebbbbacc1af70ddd46ede90f9b4311c67e2046c11c1cc9adf805e22

Score
10/10

Malware Config

Signatures

  • OnlyLogger

    A tiny loader that uses IPLogger to get its payload.

  • OnlyLogger Payload 2 IoCs
  • Deletes itself 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.exe
    "C:\Users\Admin\AppData\Local\Temp\94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2032
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "94a169116f328f6c59a5d90eaa87e070fadf47211b66c246c93d513550eb5ce0.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1988

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1612-54-0x00000000763E1000-0x00000000763E3000-memory.dmp

    Filesize

    8KB

  • memory/1612-56-0x00000000023B0000-0x00000000023F6000-memory.dmp

    Filesize

    280KB

  • memory/1612-55-0x000000000028B000-0x00000000002B3000-memory.dmp

    Filesize

    160KB

  • memory/1612-57-0x0000000000400000-0x0000000000C4B000-memory.dmp

    Filesize

    8.3MB

  • memory/1988-59-0x0000000000000000-mapping.dmp

  • memory/2032-58-0x0000000000000000-mapping.dmp