Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-05-2024 01:07

General

  • Target

    11dc8824044bb1848e5675025a503ac5f37a277883f4522d0e8a4f238d049345.exe

  • Size

    599KB

  • MD5

    3163a6168fc16f3641c22d3a8e9d75bd

  • SHA1

    b0c467c47e91d23cf21f400af048f91bc25aa9a8

  • SHA256

    11dc8824044bb1848e5675025a503ac5f37a277883f4522d0e8a4f238d049345

  • SHA512

    7eafd23dadab35d668f06ce27e221250f01fd559095ef328e89dade2a76de8a07406c92cfc544ea8e0ab153e9d84ac293b4c032ac79e3ba6ce7d4d17dcfb25d6

  • SSDEEP

    12288:oJXiAEfDZqLo4Ms/5Waw8FqRxfmngADi69JGi+G5iphWbKhKMkKDO:ARE7ZYo4Mq5Wb8Fsx+ngIx3AVhWbKGKO

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.speedhouseoman.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SpH@0084
C2

https://scratchdreams.tk

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables with potential process hoocking 5 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\11dc8824044bb1848e5675025a503ac5f37a277883f4522d0e8a4f238d049345.exe
    "C:\Users\Admin\AppData\Local\Temp\11dc8824044bb1848e5675025a503ac5f37a277883f4522d0e8a4f238d049345.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aUTPqHudKfqQl.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2532
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aUTPqHudKfqQl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5283.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2612
    • C:\Users\Admin\AppData\Local\Temp\11dc8824044bb1848e5675025a503ac5f37a277883f4522d0e8a4f238d049345.exe
      "C:\Users\Admin\AppData\Local\Temp\11dc8824044bb1848e5675025a503ac5f37a277883f4522d0e8a4f238d049345.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2640 -s 1096
        3⤵
        • Program crash
        PID:2972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5283.tmp

    Filesize

    1KB

    MD5

    806e3cbf1f0744e875a55eb8377a841c

    SHA1

    d85f0d6cdeeda4e73abc079cfedac58a634c649f

    SHA256

    f565f073d8ded03616378138e03f964ea1d1e872b6e78b551e29f3091519e107

    SHA512

    5f891423662382fb028d14dcd03a9dacdc924034221196a3007296213b73d721be56465f68aa8fcbeb69509f33354cce9b138a199306dcad35d25bbb196988f5

  • memory/1728-26-0x0000000074CD0000-0x00000000753BE000-memory.dmp

    Filesize

    6.9MB

  • memory/1728-1-0x0000000000A20000-0x0000000000ABA000-memory.dmp

    Filesize

    616KB

  • memory/1728-2-0x0000000074CD0000-0x00000000753BE000-memory.dmp

    Filesize

    6.9MB

  • memory/1728-3-0x0000000000500000-0x000000000051C000-memory.dmp

    Filesize

    112KB

  • memory/1728-4-0x0000000000520000-0x000000000052E000-memory.dmp

    Filesize

    56KB

  • memory/1728-5-0x0000000000530000-0x0000000000546000-memory.dmp

    Filesize

    88KB

  • memory/1728-6-0x0000000004650000-0x00000000046B8000-memory.dmp

    Filesize

    416KB

  • memory/1728-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

    Filesize

    4KB

  • memory/2640-14-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2640-25-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2640-24-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2640-23-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2640-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2640-16-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2640-18-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2640-20-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB