Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2024 15:09

General

  • Target

    z55PleasefindattachedtheRFQinquiry.exe

  • Size

    2.8MB

  • MD5

    ee24e64f34a5580c5c9ee2cebefc312d

  • SHA1

    3a8a93cd79b36dedfd0827f268d210574c66f9bb

  • SHA256

    a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc

  • SHA512

    8d37331a15367009fa56cbf03c0e66730aea15fc5b437fe4f8070d9b75f12d102a424196a033cdd5ea40abc1aa5d205dfaf44f4fd49008921e22f01a59122321

  • SSDEEP

    12288:QeQU766QpZ72faJZxZtohjS902gSo+nknSsi1JqWlVHQECjzW:QeZnQpXJbD4IYus+J1/NC2

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Windows security modification 2 TTPs 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 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
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\z55PleasefindattachedtheRFQinquiry.exe
    "C:\Users\Admin\AppData\Local\Temp\z55PleasefindattachedtheRFQinquiry.exe"
    1⤵
    • UAC bypass
    • Windows security bypass
    • Checks computer location settings
    • Windows security modification
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4028
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\z55PleasefindattachedtheRFQinquiry.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:436
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4436
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4436 -s 1960
        3⤵
        • Program crash
        PID:4456
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
      2⤵
        PID:4648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4436 -ip 4436
      1⤵
        PID:4876

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rc5ydlzr.pnl.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/436-11-0x00007FFCC03A0000-0x00007FFCC0E61000-memory.dmp

        Filesize

        10.8MB

      • memory/436-23-0x00007FFCC03A0000-0x00007FFCC0E61000-memory.dmp

        Filesize

        10.8MB

      • memory/436-16-0x00007FFCC03A0000-0x00007FFCC0E61000-memory.dmp

        Filesize

        10.8MB

      • memory/436-18-0x000002698D040000-0x000002698D050000-memory.dmp

        Filesize

        64KB

      • memory/436-15-0x000002698D010000-0x000002698D032000-memory.dmp

        Filesize

        136KB

      • memory/4028-3-0x00007FFCC03A0000-0x00007FFCC0E61000-memory.dmp

        Filesize

        10.8MB

      • memory/4028-0-0x00007FFCC03A3000-0x00007FFCC03A5000-memory.dmp

        Filesize

        8KB

      • memory/4028-2-0x000001552EAA0000-0x000001552EB1A000-memory.dmp

        Filesize

        488KB

      • memory/4028-1-0x000001552CD10000-0x000001552CD28000-memory.dmp

        Filesize

        96KB

      • memory/4028-24-0x00007FFCC03A0000-0x00007FFCC0E61000-memory.dmp

        Filesize

        10.8MB

      • memory/4436-4-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/4436-17-0x000000007486E000-0x000000007486F000-memory.dmp

        Filesize

        4KB

      • memory/4436-19-0x0000000005C00000-0x00000000061A4000-memory.dmp

        Filesize

        5.6MB

      • memory/4436-20-0x0000000005730000-0x00000000057CC000-memory.dmp

        Filesize

        624KB