Analysis

  • max time kernel
    92s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 14:17

General

  • Target

    f5f6f3f20d2279fbcfe3459c2f506996_JaffaCakes118.exe

  • Size

    994KB

  • MD5

    f5f6f3f20d2279fbcfe3459c2f506996

  • SHA1

    af053d5263eaf3260eabb37822361c1017a18306

  • SHA256

    0497fc206987e992f615638411ea9da0470e2dcbcd05546d4240ef09a82f925f

  • SHA512

    a88fae8375449bf448148098b95d98df598cc0985ee9c6bfb6ab585d1e85c7d91cffbd1c8c6504832da8b82042726d6c3a9d7a3a1bc09b96618bd0e810fdb23c

  • SSDEEP

    24576:STbtwEMGXU0oS1uhX+mOPEXPbc2b95QOz3:SHpMuTut7TXb95H3

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    log@procreditb.com
  • Password:
    Blessings16
  • Email To:
    log@procreditb.com

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5f6f3f20d2279fbcfe3459c2f506996_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f5f6f3f20d2279fbcfe3459c2f506996_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4672
    • C:\Users\Admin\AppData\Local\Temp\f5f6f3f20d2279fbcfe3459c2f506996_JaffaCakes118.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4228
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 1772
        3⤵
        • Drops file in Windows directory
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:976

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\f5f6f3f20d2279fbcfe3459c2f506996_JaffaCakes118.exe.log
    Filesize

    496B

    MD5

    7baa6583f69f63f7230df9bf98448356

    SHA1

    fe9eb85b57192362da704a3c130377fe83862320

    SHA256

    a632504621b4cac1d5ba5465c7ad9b30f3d036e9838682506782124a211bed4f

    SHA512

    0e72541791281c0fdac1f5fc6beea0b9eb8766b2a386aecb92cb8a44e5b59b7114c79194393ddeff957ffe86021a311caed7ce2731b863d97ad441870efbc051

  • memory/4228-5-0x0000000000400000-0x0000000000448000-memory.dmp
    Filesize

    288KB

  • memory/4228-10-0x0000000001640000-0x0000000001650000-memory.dmp
    Filesize

    64KB

  • memory/4228-8-0x00000000754B0000-0x0000000075A61000-memory.dmp
    Filesize

    5.7MB

  • memory/4228-11-0x00000000754B0000-0x0000000075A61000-memory.dmp
    Filesize

    5.7MB

  • memory/4228-18-0x00000000754B0000-0x0000000075A61000-memory.dmp
    Filesize

    5.7MB

  • memory/4672-0-0x00000000754B0000-0x0000000075A61000-memory.dmp
    Filesize

    5.7MB

  • memory/4672-1-0x00000000754B0000-0x0000000075A61000-memory.dmp
    Filesize

    5.7MB

  • memory/4672-2-0x00000000010B0000-0x00000000010C0000-memory.dmp
    Filesize

    64KB

  • memory/4672-3-0x00000000754B0000-0x0000000075A61000-memory.dmp
    Filesize

    5.7MB

  • memory/4672-4-0x00000000010B0000-0x00000000010C0000-memory.dmp
    Filesize

    64KB

  • memory/4672-9-0x00000000754B0000-0x0000000075A61000-memory.dmp
    Filesize

    5.7MB