Analysis

  • max time kernel
    78s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    27-09-2021 18:19

General

  • Target

    f5f3e9b43eec8bff47679ea02aec02edb979051e5fe21cc0f2bf6c919d10c49c.exe

  • Size

    535KB

  • MD5

    3f9a8ee266de6359f15b00036d5f68de

  • SHA1

    a4da83900d535107af9d3002da17304e90f82d98

  • SHA256

    f5f3e9b43eec8bff47679ea02aec02edb979051e5fe21cc0f2bf6c919d10c49c

  • SHA512

    1e701f93913d71486c547b93f7df649a041764d8064075d6e96633126eb91d9f91800ceaf0a7bf2ba2c9709713abe4793cb1c01e15cad4f664c0d64af7396843

Malware Config

Signatures

  • VenomRAT

    VenomRAT is a modified version of QuasarRAT with some added features, such as rootkit and stealer capabilites.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5f3e9b43eec8bff47679ea02aec02edb979051e5fe21cc0f2bf6c919d10c49c.exe
    "C:\Users\Admin\AppData\Local\Temp\f5f3e9b43eec8bff47679ea02aec02edb979051e5fe21cc0f2bf6c919d10c49c.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:528
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "DefenderCheckUpdate" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\f5f3e9b43eec8bff47679ea02aec02edb979051e5fe21cc0f2bf6c919d10c49c.exe" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:1124

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/528-114-0x0000000000A90000-0x0000000000A91000-memory.dmp

    Filesize

    4KB

  • memory/528-116-0x0000000005AE0000-0x0000000005AE1000-memory.dmp

    Filesize

    4KB

  • memory/528-117-0x00000000054E0000-0x00000000054E1000-memory.dmp

    Filesize

    4KB

  • memory/528-118-0x00000000054D0000-0x00000000054D1000-memory.dmp

    Filesize

    4KB

  • memory/528-119-0x00000000056E0000-0x00000000056E1000-memory.dmp

    Filesize

    4KB

  • memory/528-120-0x0000000006210000-0x0000000006211000-memory.dmp

    Filesize

    4KB

  • memory/528-121-0x0000000006600000-0x0000000006601000-memory.dmp

    Filesize

    4KB

  • memory/528-123-0x0000000006970000-0x0000000006971000-memory.dmp

    Filesize

    4KB

  • memory/1124-122-0x0000000000000000-mapping.dmp