Analysis

  • max time kernel
    83s
  • max time network
    88s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 01:43

General

  • Target

    Purchase Order.exe

  • Size

    403KB

  • MD5

    130892ccfa6d7a46febac4ac15bd6e7f

  • SHA1

    bd8339310896ea0e1c102c39896b1698d6c8433b

  • SHA256

    0b5d1cae663270d11148b52e122f4dabf7a9245a1fab3a726d462a1c48668481

  • SHA512

    eeebce3c77befc7e38c4c3c0fb7ec97bc69aa3b7cc1d743c00601a5ad4211b24e79603214809406817c92dcd678ead5c3d3cb3d3e0a20d941f36ed0d2e947163

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.powersupplies.co.za
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    P@$$w0rd.R.S

Signatures

  • Cheetah Keylogger

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

  • Cheetah Keylogger Payload 1 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • 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\Purchase Order.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1972
    • 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:1308

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1308-64-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1308-63-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1308-70-0x0000000000340000-0x0000000000376000-memory.dmp

    Filesize

    216KB

  • memory/1308-69-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1308-67-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1308-61-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1308-60-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1972-55-0x00000000001F0000-0x0000000000206000-memory.dmp

    Filesize

    88KB

  • memory/1972-54-0x0000000000AF0000-0x0000000000B5C000-memory.dmp

    Filesize

    432KB

  • memory/1972-59-0x0000000000570000-0x000000000057A000-memory.dmp

    Filesize

    40KB

  • memory/1972-58-0x0000000000390000-0x0000000000398000-memory.dmp

    Filesize

    32KB

  • memory/1972-57-0x0000000000230000-0x0000000000238000-memory.dmp

    Filesize

    32KB

  • memory/1972-56-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

    Filesize

    8KB