Analysis

  • max time kernel
    122s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2023 16:49

General

  • Target

    Contract.exe

  • Size

    475KB

  • MD5

    9176d70680c26f6ecdcaa34176e156cc

  • SHA1

    921afd31d5f7acaf2308325346a705d2ca11d18e

  • SHA256

    d80adfb429565563472cc6e9d4fef4b8435c2804ad977c4f4d5452cf5462cb59

  • SHA512

    bbfeb4ddd91151c735a6dd9e5522f56ae0bd58fd86ae2df9fe7aa0e4ce41cbe15824beb91e6163b4aae47f8327375ea46690d6924c10f625a41cf93adf210bc9

  • SSDEEP

    12288:/y8opMEnPv0OxHxsk22oAKXTYLzLFjLm5AbAJzh/j67FEoc05n1F:/FUv/xsk2pcLvFjLmxjEEn0F

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 6 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:2968
    • 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:2260

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2260-15-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2260-24-0x0000000004BB0000-0x0000000004BF0000-memory.dmp

    Filesize

    256KB

  • memory/2260-23-0x0000000074A90000-0x000000007517E000-memory.dmp

    Filesize

    6.9MB

  • memory/2260-22-0x0000000004BB0000-0x0000000004BF0000-memory.dmp

    Filesize

    256KB

  • memory/2260-21-0x0000000074A90000-0x000000007517E000-memory.dmp

    Filesize

    6.9MB

  • memory/2260-19-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2260-17-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2260-7-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2260-8-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2260-9-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2260-11-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2260-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2968-5-0x00000000003C0000-0x00000000003CA000-memory.dmp

    Filesize

    40KB

  • memory/2968-6-0x00000000006D0000-0x000000000072E000-memory.dmp

    Filesize

    376KB

  • memory/2968-0-0x0000000001380000-0x00000000013FC000-memory.dmp

    Filesize

    496KB

  • memory/2968-20-0x0000000074A90000-0x000000007517E000-memory.dmp

    Filesize

    6.9MB

  • memory/2968-4-0x00000000003B0000-0x00000000003B8000-memory.dmp

    Filesize

    32KB

  • memory/2968-3-0x0000000000380000-0x0000000000392000-memory.dmp

    Filesize

    72KB

  • memory/2968-2-0x0000000004F10000-0x0000000004F50000-memory.dmp

    Filesize

    256KB

  • memory/2968-1-0x0000000074A90000-0x000000007517E000-memory.dmp

    Filesize

    6.9MB