Analysis

  • max time kernel
    126s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2024 01:04

General

  • Target

    9a1384cc7af3f1fb52a59629c4745bc69c0455ddf9829e83c36171e521b1db3f.exe

  • Size

    3.0MB

  • MD5

    4fb506ac6e528cf11f0bec4618b13819

  • SHA1

    2635af94c2bd627b912a7ee6c8837e1c6766853a

  • SHA256

    9a1384cc7af3f1fb52a59629c4745bc69c0455ddf9829e83c36171e521b1db3f

  • SHA512

    e073651b3f04f0265b05f034caeb1a0c0231d041fa46644b4b2d9c8704229681a25d64ce180d4f360eebc0128e859657829b7b2124d80ddeca1269d38da9d006

  • SSDEEP

    49152:Y1HS7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpbu/nRFfjI7L0qb:YUHTPJg8z1mKnypSbRxo9JCm

Malware Config

Extracted

Family

orcus

Botnet

Argon

C2

31.44.184.52:15288

Mutex

sudo_ufx8ejg93966cs0rno0l76zre3yenau0

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • install_path

    %appdata%\uploadsserverdownloads\asyncwordpress.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 8 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a1384cc7af3f1fb52a59629c4745bc69c0455ddf9829e83c36171e521b1db3f.exe
    "C:\Users\Admin\AppData\Local\Temp\9a1384cc7af3f1fb52a59629c4745bc69c0455ddf9829e83c36171e521b1db3f.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.exe
      "C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.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:2352
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2816
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {919BE1AD-2CD4-4B9D-9DCA-44FA26C14F4F} S-1-5-21-4177215427-74451935-3209572229-1000:JSMURNPT\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2760
    • C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.exe
      C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.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:2252
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2552
    • C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.exe
      C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1060
    • C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.exe
      C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab7FAD.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • \Users\Admin\AppData\Roaming\uploadsserverdownloads\asyncwordpress.exe

    Filesize

    3.0MB

    MD5

    4fb506ac6e528cf11f0bec4618b13819

    SHA1

    2635af94c2bd627b912a7ee6c8837e1c6766853a

    SHA256

    9a1384cc7af3f1fb52a59629c4745bc69c0455ddf9829e83c36171e521b1db3f

    SHA512

    e073651b3f04f0265b05f034caeb1a0c0231d041fa46644b4b2d9c8704229681a25d64ce180d4f360eebc0128e859657829b7b2124d80ddeca1269d38da9d006

  • memory/2096-0-0x0000000073FEE000-0x0000000073FEF000-memory.dmp

    Filesize

    4KB

  • memory/2096-1-0x00000000013D0000-0x00000000016CE000-memory.dmp

    Filesize

    3.0MB

  • memory/2096-3-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2096-2-0x00000000003F0000-0x00000000003FE000-memory.dmp

    Filesize

    56KB

  • memory/2096-4-0x00000000009A0000-0x00000000009FC000-memory.dmp

    Filesize

    368KB

  • memory/2096-5-0x0000000000660000-0x0000000000672000-memory.dmp

    Filesize

    72KB

  • memory/2096-16-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2352-18-0x0000000001330000-0x000000000162E000-memory.dmp

    Filesize

    3.0MB

  • memory/2352-21-0x0000000000CB0000-0x0000000000CFE000-memory.dmp

    Filesize

    312KB

  • memory/2352-20-0x0000000000450000-0x0000000000462000-memory.dmp

    Filesize

    72KB

  • memory/2352-19-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2352-17-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2352-34-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2552-44-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2552-67-0x0000000004AD0000-0x0000000004AD2000-memory.dmp

    Filesize

    8KB

  • memory/2552-66-0x0000000004520000-0x000000000452E000-memory.dmp

    Filesize

    56KB

  • memory/2552-49-0x0000000000B80000-0x0000000000B90000-memory.dmp

    Filesize

    64KB

  • memory/2552-48-0x0000000000B40000-0x0000000000B58000-memory.dmp

    Filesize

    96KB

  • memory/2816-22-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2816-28-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2816-30-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2816-31-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2816-32-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2816-33-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2816-26-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2816-24-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB