Analysis

  • max time kernel
    190s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-06-2022 05:25

General

  • Target

    aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe

  • Size

    1.5MB

  • MD5

    eb3a80f5df4896b582fbdec56aff1c2f

  • SHA1

    1688c16df9fbcadabf314491b0cc9fa216d7ac86

  • SHA256

    aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a

  • SHA512

    3e4dc5656d884f1782163a5af4a605c8ca836835ee1016907768b1c83d63f8134664e19f505f75ba3426e03da9594064d85224312f0d428deaea155e068257fd

Malware Config

Signatures

  • Cheetah Keylogger

    Cheetah is a keylogger and info stealer first seen in March 2020.

  • Cheetah Keylogger Payload 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe
    "C:\Users\Admin\AppData\Local\Temp\aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1640

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1640-58-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1640-59-0x0000000000540000-0x000000000057A000-memory.dmp

    Filesize

    232KB

  • memory/1936-54-0x00000000763E1000-0x00000000763E3000-memory.dmp

    Filesize

    8KB

  • memory/1936-55-0x0000000000380000-0x00000000003C2000-memory.dmp

    Filesize

    264KB

  • memory/1936-57-0x0000000000C10000-0x0000000000C52000-memory.dmp

    Filesize

    264KB