Analysis

  • max time kernel
    127s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 01:17

General

  • Target

    705e1e9b9a7be6905a1232592d733f1ceb94b4e624017b06380dce2e7b228cea.exe

  • Size

    3.0MB

  • MD5

    2469f407c90cc0cf7354aed0980232f2

  • SHA1

    3a088ed0a3fc4d0da35a40eb2d21759b7d530bc5

  • SHA256

    705e1e9b9a7be6905a1232592d733f1ceb94b4e624017b06380dce2e7b228cea

  • SHA512

    e88337d6d9ff37a84514d1c20716b3a6dd4c5c80f86bc9585c23f9ef843254dc2c8274fb15eba3bd4a317392ce856f2619855a811e456bd2dea38dbb85c11238

  • SSDEEP

    49152:ZGX87p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpKu/nRFfjI7L0qb:ZLHTPJg8z1mKnypSbRxo9JCm

Malware Config

Extracted

Family

orcus

Botnet

svchost

C2

31.44.184.52:10808

Mutex

sudo_30ml7a8b463rc3dza10ak5r5y4jldyee

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • install_path

    %appdata%\pipewordpress\explorrer.exe

  • reconnect_delay

    10000

  • registry_keyname

    Sudik

  • taskscheduler_taskname

    sudik

  • watchdog_path

    AppData\aga.exe

Signatures

  • Orcus

    Orcus is a Remote Access Trojan that is being sold on underground forums.

  • Orcus family
  • Orcus main payload 1 IoCs
  • Orcurs Rat Executable 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\705e1e9b9a7be6905a1232592d733f1ceb94b4e624017b06380dce2e7b228cea.exe
    "C:\Users\Admin\AppData\Local\Temp\705e1e9b9a7be6905a1232592d733f1ceb94b4e624017b06380dce2e7b228cea.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2588
    • C:\Users\Admin\AppData\Roaming\pipewordpress\explorrer.exe
      "C:\Users\Admin\AppData\Roaming\pipewordpress\explorrer.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3968
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4132
  • C:\Users\Admin\AppData\Roaming\pipewordpress\explorrer.exe
    C:\Users\Admin\AppData\Roaming\pipewordpress\explorrer.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4868
  • C:\Users\Admin\AppData\Roaming\pipewordpress\explorrer.exe
    C:\Users\Admin\AppData\Roaming\pipewordpress\explorrer.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4040
  • C:\Users\Admin\AppData\Roaming\pipewordpress\explorrer.exe
    C:\Users\Admin\AppData\Roaming\pipewordpress\explorrer.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3308

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\explorrer.exe.log

    Filesize

    1KB

    MD5

    663b8d5469caa4489d463aa9bc18124f

    SHA1

    e57123a7d969115853ea631a3b33826335025d28

    SHA256

    7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

    SHA512

    45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

  • C:\Users\Admin\AppData\Roaming\pipewordpress\explorrer.exe

    Filesize

    3.0MB

    MD5

    2469f407c90cc0cf7354aed0980232f2

    SHA1

    3a088ed0a3fc4d0da35a40eb2d21759b7d530bc5

    SHA256

    705e1e9b9a7be6905a1232592d733f1ceb94b4e624017b06380dce2e7b228cea

    SHA512

    e88337d6d9ff37a84514d1c20716b3a6dd4c5c80f86bc9585c23f9ef843254dc2c8274fb15eba3bd4a317392ce856f2619855a811e456bd2dea38dbb85c11238

  • C:\Users\Admin\AppData\Roaming\pipewordpress\explorrer.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • memory/2588-4-0x0000000004E20000-0x0000000004E7C000-memory.dmp

    Filesize

    368KB

  • memory/2588-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

    Filesize

    4KB

  • memory/2588-5-0x0000000005720000-0x0000000005CC4000-memory.dmp

    Filesize

    5.6MB

  • memory/2588-6-0x0000000005210000-0x00000000052A2000-memory.dmp

    Filesize

    584KB

  • memory/2588-7-0x0000000005200000-0x0000000005212000-memory.dmp

    Filesize

    72KB

  • memory/2588-3-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/2588-2-0x0000000004D00000-0x0000000004D0E000-memory.dmp

    Filesize

    56KB

  • memory/2588-1-0x00000000002A0000-0x000000000059E000-memory.dmp

    Filesize

    3.0MB

  • memory/2588-24-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/3968-23-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/3968-26-0x0000000005910000-0x0000000005922000-memory.dmp

    Filesize

    72KB

  • memory/3968-27-0x0000000005930000-0x000000000597E000-memory.dmp

    Filesize

    312KB

  • memory/3968-29-0x00000000062B0000-0x000000000634C000-memory.dmp

    Filesize

    624KB

  • memory/3968-25-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/3968-34-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/4132-32-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/4132-35-0x0000000005C90000-0x0000000005CA8000-memory.dmp

    Filesize

    96KB

  • memory/4132-36-0x0000000005CC0000-0x0000000005CD0000-memory.dmp

    Filesize

    64KB

  • memory/4132-37-0x0000000006950000-0x000000000695A000-memory.dmp

    Filesize

    40KB

  • memory/4132-40-0x00000000070B0000-0x0000000007116000-memory.dmp

    Filesize

    408KB

  • memory/4132-41-0x0000000007740000-0x0000000007D58000-memory.dmp

    Filesize

    6.1MB

  • memory/4132-42-0x00000000071C0000-0x00000000071D2000-memory.dmp

    Filesize

    72KB

  • memory/4132-43-0x0000000007220000-0x000000000725C000-memory.dmp

    Filesize

    240KB

  • memory/4132-44-0x0000000007260000-0x00000000072AC000-memory.dmp

    Filesize

    304KB

  • memory/4132-45-0x00000000073F0000-0x00000000074FA000-memory.dmp

    Filesize

    1.0MB

  • memory/4132-46-0x0000000007D60000-0x0000000007F22000-memory.dmp

    Filesize

    1.8MB

  • memory/4132-47-0x00000000073C0000-0x00000000073CE000-memory.dmp

    Filesize

    56KB

  • memory/4132-48-0x0000000008320000-0x0000000008370000-memory.dmp

    Filesize

    320KB

  • memory/4132-49-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB