Analysis

  • max time kernel
    77s
  • max time network
    61s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    05-02-2022 17:55

General

  • Target

    Payment relief form.exe

  • Size

    378KB

  • MD5

    d0d25ddde9388ab0feb47b9ec3cb7733

  • SHA1

    de6f89f2c17b229a0068a75bf476720a0724fe18

  • SHA256

    9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910

  • SHA512

    25d76db3137a9ee2b0fd9a4e562a6cb89fba025a787e443f0361580b0d7fdbe43f5ebe99c204103939f01a4fedc2e1182aea90b69d3833d001141280805c386f

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.baconplumbing.co.za
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Andrew@1652

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment relief form.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment relief form.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:960

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/960-56-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/960-57-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/960-58-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/960-59-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/960-60-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/960-61-0x0000000000560000-0x0000000000596000-memory.dmp

    Filesize

    216KB

  • memory/960-62-0x00000000754B1000-0x00000000754B3000-memory.dmp

    Filesize

    8KB

  • memory/960-63-0x0000000004950000-0x0000000004951000-memory.dmp

    Filesize

    4KB

  • memory/1392-53-0x00000000002F0000-0x0000000000354000-memory.dmp

    Filesize

    400KB

  • memory/1392-54-0x0000000000230000-0x0000000000252000-memory.dmp

    Filesize

    136KB

  • memory/1392-55-0x0000000004470000-0x0000000004471000-memory.dmp

    Filesize

    4KB