Analysis

  • max time kernel
    120s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2023 14:25

General

  • Target

    z56Contract.exe

  • Size

    493KB

  • MD5

    528120e21119abe464179f5ab433a333

  • SHA1

    b80f5f12815584bddb246d36427c994629ba5c8e

  • SHA256

    24c6082628e6b6daeede59cf5c1f1174a3ab6b3ac7e0d795f8c7c3af490f1940

  • SHA512

    749df3aaf9c3ce8bc8bda8e0396da814a29f60390dfc24e1bf7f1b121bda13a4f0de4e95f56f5a539e37fd6b6d2acced75c80e644fcab45fef1a96810d2170c4

  • SSDEEP

    12288:IN72CULP2X6Y+zbok1xB9vb5R3GhnEDVXyFRQ4ShjqFB1D:paqbzcUxz2x0CF7D

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\z56Contract.exe
    "C:\Users\Admin\AppData\Local\Temp\z56Contract.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2876
    • C:\Users\Admin\AppData\Local\Temp\z56Contract.exe
      "C:\Users\Admin\AppData\Local\Temp\z56Contract.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2100-13-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2100-22-0x0000000002110000-0x0000000002150000-memory.dmp

    Filesize

    256KB

  • memory/2100-21-0x0000000073F50000-0x000000007463E000-memory.dmp

    Filesize

    6.9MB

  • memory/2100-20-0x0000000002110000-0x0000000002150000-memory.dmp

    Filesize

    256KB

  • memory/2100-19-0x0000000073F50000-0x000000007463E000-memory.dmp

    Filesize

    6.9MB

  • memory/2100-17-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2100-15-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2100-9-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2100-10-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2100-8-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2100-7-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2100-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2876-5-0x00000000004B0000-0x00000000004BA000-memory.dmp

    Filesize

    40KB

  • memory/2876-6-0x000000000D190000-0x000000000D1EE000-memory.dmp

    Filesize

    376KB

  • memory/2876-0-0x0000000000C50000-0x0000000000CD0000-memory.dmp

    Filesize

    512KB

  • memory/2876-18-0x0000000073F50000-0x000000007463E000-memory.dmp

    Filesize

    6.9MB

  • memory/2876-4-0x0000000000350000-0x0000000000356000-memory.dmp

    Filesize

    24KB

  • memory/2876-3-0x0000000000490000-0x00000000004A8000-memory.dmp

    Filesize

    96KB

  • memory/2876-2-0x00000000042B0000-0x00000000042F0000-memory.dmp

    Filesize

    256KB

  • memory/2876-1-0x0000000073F50000-0x000000007463E000-memory.dmp

    Filesize

    6.9MB