Analysis

  • max time kernel
    119s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2023 14:01

General

  • Target

    376ae58143a7ea2576b707873f9d9c8f67efa1674b33a1f53dde6a1c789c3475.exe

  • Size

    586KB

  • MD5

    b25a99bbeab632b5aef09307b4f6bb8d

  • SHA1

    6d2218e5b6011ea028dc61c54442d071749e7d9c

  • SHA256

    376ae58143a7ea2576b707873f9d9c8f67efa1674b33a1f53dde6a1c789c3475

  • SHA512

    e34ad7cfe288cd7aa9fe6fb14f879f14cb88695cfae7eb316faf08955238bd9404aa2392e26d3a18c89ace0aab50d80429109d2e27693329e20240cc859d3a69

  • SSDEEP

    12288:xR6X9KLdfJq5FvInDAdrzBYng83WTJibCNk:xR6tEtyu0rX8GlMCN

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1513074805:AAE9QtTNfInovOlDzP4PcE-Ro12KxYiz9Z4/sendMessage?chat_id=1673719962

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\376ae58143a7ea2576b707873f9d9c8f67efa1674b33a1f53dde6a1c789c3475.exe
    "C:\Users\Admin\AppData\Local\Temp\376ae58143a7ea2576b707873f9d9c8f67efa1674b33a1f53dde6a1c789c3475.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\Users\Admin\AppData\Local\Temp\376ae58143a7ea2576b707873f9d9c8f67efa1674b33a1f53dde6a1c789c3475.exe
      "C:\Users\Admin\AppData\Local\Temp\376ae58143a7ea2576b707873f9d9c8f67efa1674b33a1f53dde6a1c789c3475.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2284-19-0x00000000741D0000-0x00000000748BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2284-4-0x00000000741D0000-0x00000000748BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2284-0-0x0000000000A30000-0x0000000000AC8000-memory.dmp

    Filesize

    608KB

  • memory/2284-3-0x0000000000430000-0x000000000044C000-memory.dmp

    Filesize

    112KB

  • memory/2284-1-0x00000000741D0000-0x00000000748BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2284-5-0x0000000004E40000-0x0000000004E80000-memory.dmp

    Filesize

    256KB

  • memory/2284-6-0x0000000000250000-0x0000000000260000-memory.dmp

    Filesize

    64KB

  • memory/2284-7-0x0000000002190000-0x00000000021F0000-memory.dmp

    Filesize

    384KB

  • memory/2284-2-0x0000000004E40000-0x0000000004E80000-memory.dmp

    Filesize

    256KB

  • memory/2724-9-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2724-8-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2724-11-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2724-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2724-14-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2724-16-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2724-10-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2724-18-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2724-20-0x00000000741D0000-0x00000000748BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2724-21-0x0000000004AD0000-0x0000000004B10000-memory.dmp

    Filesize

    256KB

  • memory/2724-22-0x00000000741D0000-0x00000000748BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2724-23-0x0000000004AD0000-0x0000000004B10000-memory.dmp

    Filesize

    256KB