Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/09/2024, 17:11

General

  • Target

    12.exe

  • Size

    918KB

  • MD5

    1fe1c0eb7d62a73e832c2c1eba4f78c1

  • SHA1

    f3dc248a9850b358beff204b8e69ef86cb1e398d

  • SHA256

    e6aa1c3c529c5d6cb73ef7eb959555c8d681e36bae8290ed1310b5caec13cc84

  • SHA512

    b6e5e021b5dc12188e09f1a1a2f483700e2b0a795494bcf21a1f7036f5c34443c73e87671aafcf7775aedf39ef608cf41da1286fae2162786974b23521c2294d

  • SSDEEP

    24576:ld74MROxnFH3WRM4IrrcI0AilFEvxHPmooQ:laMihWlIrrcI0AilFEvxHP

Malware Config

Extracted

Family

orcus

Botnet

Mal

C2

keep-forth.gl.at.ply.gg:19365

Mutex

3bd064b7c6b7453ba4e355a8c39c2b4a

Attributes
  • autostart_method

    Registry

  • enable_keylogger

    true

  • install_path

    %programfiles%\Radeon\RadeonSoftware.exe

  • reconnect_delay

    10000

  • registry_keyname

    winla

  • taskscheduler_taskname

    winlaa

  • watchdog_path

    Temp\AMDRSServ.exe

Signatures

  • Orcus

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

  • Orcus main payload 1 IoCs
  • Orcurs Rat Executable 2 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\12.exe
    "C:\Users\Admin\AppData\Local\Temp\12.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3576
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:2932
    • C:\Program Files (x86)\Radeon\RadeonSoftware.exe
      "C:\Program Files (x86)\Radeon\RadeonSoftware.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3680
      • C:\Users\Admin\AppData\Local\Temp\AMDRSServ.exe
        "C:\Users\Admin\AppData\Local\Temp\AMDRSServ.exe" /launchSelfAndExit "C:\Program Files (x86)\Radeon\RadeonSoftware.exe" 3680 /protectFile
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3840
        • C:\Users\Admin\AppData\Local\Temp\AMDRSServ.exe
          "C:\Users\Admin\AppData\Local\Temp\AMDRSServ.exe" /watchProcess "C:\Program Files (x86)\Radeon\RadeonSoftware.exe" 3680 "/protectFile"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4168
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:1048
  • C:\Program Files (x86)\Radeon\RadeonSoftware.exe
    "C:\Program Files (x86)\Radeon\RadeonSoftware.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Radeon\RadeonSoftware.exe

    Filesize

    918KB

    MD5

    1fe1c0eb7d62a73e832c2c1eba4f78c1

    SHA1

    f3dc248a9850b358beff204b8e69ef86cb1e398d

    SHA256

    e6aa1c3c529c5d6cb73ef7eb959555c8d681e36bae8290ed1310b5caec13cc84

    SHA512

    b6e5e021b5dc12188e09f1a1a2f483700e2b0a795494bcf21a1f7036f5c34443c73e87671aafcf7775aedf39ef608cf41da1286fae2162786974b23521c2294d

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

    Filesize

    425B

    MD5

    4eaca4566b22b01cd3bc115b9b0b2196

    SHA1

    e743e0792c19f71740416e7b3c061d9f1336bf94

    SHA256

    34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

    SHA512

    bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

  • C:\Users\Admin\AppData\Local\Temp\AMDRSServ.exe

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • C:\Windows\SysWOW64\WindowsInput.exe

    Filesize

    21KB

    MD5

    e6fcf516d8ed8d0d4427f86e08d0d435

    SHA1

    c7691731583ab7890086635cb7f3e4c22ca5e409

    SHA256

    8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

    SHA512

    c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

  • C:\Windows\SysWOW64\WindowsInput.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • memory/1048-33-0x00007FFCEDEB0000-0x00007FFCEE971000-memory.dmp

    Filesize

    10.8MB

  • memory/1048-34-0x000000001A510000-0x000000001A61A000-memory.dmp

    Filesize

    1.0MB

  • memory/1048-77-0x00007FFCEDEB0000-0x00007FFCEE971000-memory.dmp

    Filesize

    10.8MB

  • memory/2932-25-0x00000000023E0000-0x00000000023F2000-memory.dmp

    Filesize

    72KB

  • memory/2932-31-0x00007FFCEDEB0000-0x00007FFCEE971000-memory.dmp

    Filesize

    10.8MB

  • memory/2932-27-0x00007FFCEDEB0000-0x00007FFCEE971000-memory.dmp

    Filesize

    10.8MB

  • memory/2932-26-0x000000001AD40000-0x000000001AD7C000-memory.dmp

    Filesize

    240KB

  • memory/2932-24-0x0000000000240000-0x000000000024C000-memory.dmp

    Filesize

    48KB

  • memory/2932-23-0x00007FFCEDEB3000-0x00007FFCEDEB5000-memory.dmp

    Filesize

    8KB

  • memory/3576-8-0x0000000005500000-0x0000000005508000-memory.dmp

    Filesize

    32KB

  • memory/3576-3-0x00000000053A0000-0x00000000053FC000-memory.dmp

    Filesize

    368KB

  • memory/3576-0-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

    Filesize

    4KB

  • memory/3576-7-0x00000000054F0000-0x0000000005502000-memory.dmp

    Filesize

    72KB

  • memory/3576-6-0x0000000005510000-0x00000000055A2000-memory.dmp

    Filesize

    584KB

  • memory/3576-5-0x00000000059B0000-0x0000000005F54000-memory.dmp

    Filesize

    5.6MB

  • memory/3576-4-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3576-51-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3576-1-0x0000000000910000-0x00000000009FC000-memory.dmp

    Filesize

    944KB

  • memory/3576-9-0x0000000005970000-0x0000000005992000-memory.dmp

    Filesize

    136KB

  • memory/3576-2-0x0000000002E90000-0x0000000002E9E000-memory.dmp

    Filesize

    56KB

  • memory/3680-53-0x0000000006400000-0x000000000644E000-memory.dmp

    Filesize

    312KB

  • memory/3680-57-0x00000000067B0000-0x00000000067C0000-memory.dmp

    Filesize

    64KB

  • memory/3680-58-0x0000000006CC0000-0x0000000006CCA000-memory.dmp

    Filesize

    40KB

  • memory/3680-56-0x0000000006990000-0x0000000006B52000-memory.dmp

    Filesize

    1.8MB

  • memory/3680-55-0x00000000065D0000-0x00000000065E8000-memory.dmp

    Filesize

    96KB

  • memory/3680-52-0x0000000005880000-0x0000000005892000-memory.dmp

    Filesize

    72KB

  • memory/3840-72-0x0000000000570000-0x0000000000578000-memory.dmp

    Filesize

    32KB