Analysis

  • max time kernel
    121s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2023 11:09

General

  • Target

    Contract.exe

  • Size

    635KB

  • MD5

    dd93d84341928fb925e5446b3795cae2

  • SHA1

    60b1c23aa28efb711fce60e82a389635e5e6bbc8

  • SHA256

    fe2ed4220640da4d6e2e1e89e4a0dcc0bb67aaa2905b22276fc8a31ed65ea9e3

  • SHA512

    dfdb35755c63180819f38a0693d6d6bcfc564c8448d15be135f84bd7e7f364d3fe7169bb28e07f0e40fe92f9094ccf2c63bc27768ecf001380922fcb23595987

  • SSDEEP

    12288:pzeMMXRqdK/hWGJG/klXwWFynxWh7OPY6ilWG1gjd7BR6wT:pzeMSREydw/asAhGe/opB

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mct2.co.za
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    00000

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Contract.exe
    "C:\Users\Admin\AppData\Local\Temp\Contract.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Local\Temp\Contract.exe
      "C:\Users\Admin\AppData\Local\Temp\Contract.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1216-15-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1216-17-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1216-9-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1216-11-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1216-22-0x0000000004B00000-0x0000000004B40000-memory.dmp

    Filesize

    256KB

  • memory/1216-21-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1216-19-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1216-7-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1216-12-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1216-23-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1216-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1976-2-0x0000000004CB0000-0x0000000004CF0000-memory.dmp

    Filesize

    256KB

  • memory/1976-0-0x0000000000E80000-0x0000000000F26000-memory.dmp

    Filesize

    664KB

  • memory/1976-1-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1976-6-0x00000000059A0000-0x00000000059FE000-memory.dmp

    Filesize

    376KB

  • memory/1976-20-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1976-5-0x00000000003F0000-0x00000000003FA000-memory.dmp

    Filesize

    40KB

  • memory/1976-4-0x0000000000240000-0x0000000000248000-memory.dmp

    Filesize

    32KB

  • memory/1976-3-0x00000000003D0000-0x00000000003EA000-memory.dmp

    Filesize

    104KB