Analysis

  • max time kernel
    154s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-06-2024 01:02

General

  • Target

    68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2.exe

  • Size

    924KB

  • MD5

    b9941c3d4dbe7b3a7a74517ca5577e81

  • SHA1

    ac5d234b16377491c3891dec2a628d2f13a5b6c5

  • SHA256

    68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2

  • SHA512

    01aed78d3b15e49c723a5c09caf8003d548d6fbc166fec989b0795f2723868d75c3a1bcd936115f0163d7750d50ec8c297a7b784851556c419b4869e178afc25

  • SSDEEP

    12288:e0XCGPSX0zbyD+ndg+QCImGYUl9qyzlkE2kUNC7JsLdn487Rhp2sxuw7dG1lFlWK:bJ14MROxnFE3sFrrcI0AilFEvxHjUQf

Malware Config

Extracted

Family

orcus

C2

147.185.221.229:56094

Mutex

2e76dc04b91f4090b8ce38a21dda6ce7

Attributes
  • autostart_method

    Registry

  • enable_keylogger

    true

  • install_path

    %programfiles%\svhost\svhost.exe

  • reconnect_delay

    10000

  • registry_keyname

    Orcus

  • taskscheduler_taskname

    Orcus

  • watchdog_path

    AppData\svhost.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).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2.exe
    "C:\Users\Admin\AppData\Local\Temp\68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:3328
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:5116
    • C:\Program Files\svhost\svhost.exe
      "C:\Program Files\svhost\svhost.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4908
      • C:\Users\Admin\AppData\Roaming\svhost.exe
        "C:\Users\Admin\AppData\Roaming\svhost.exe" /launchSelfAndExit "C:\Program Files\svhost\svhost.exe" 4908 /protectFile
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3724
        • C:\Users\Admin\AppData\Roaming\svhost.exe
          "C:\Users\Admin\AppData\Roaming\svhost.exe" /watchProcess "C:\Program Files\svhost\svhost.exe" 4908 "/protectFile"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:808
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:4948
  • C:\Program Files\svhost\svhost.exe
    "C:\Program Files\svhost\svhost.exe"
    1⤵
    • Executes dropped EXE
    PID:3420
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3672 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4496

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\svhost\svhost.exe

      Filesize

      924KB

      MD5

      b9941c3d4dbe7b3a7a74517ca5577e81

      SHA1

      ac5d234b16377491c3891dec2a628d2f13a5b6c5

      SHA256

      68c2573d2ba5a1f845aa42a24a63542fb8f8a97bc2223cb3d7f4cb674aa190b2

      SHA512

      01aed78d3b15e49c723a5c09caf8003d548d6fbc166fec989b0795f2723868d75c3a1bcd936115f0163d7750d50ec8c297a7b784851556c419b4869e178afc25

    • C:\Users\Admin\AppData\Roaming\svhost.exe

      Filesize

      9KB

      MD5

      913967b216326e36a08010fb70f9dba3

      SHA1

      7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

      SHA256

      8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

      SHA512

      c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

    • C:\Users\Admin\AppData\Roaming\svhost\err_2e76dc04b91f4090b8ce38a21dda6ce7.dat

      Filesize

      1KB

      MD5

      d701c56dd6f27d37b1f431815163e06b

      SHA1

      a9498a7215cb3f3ec0820a63f1debfa1c0fee882

      SHA256

      8fee74f1adbf26308f231e3efd8cd52c0a7619b92e9d4e0e9ff3289e86aced9f

      SHA512

      94537e669cce528628f5dfae56f28d7cd9441b0427f18383e72c18d1b441ecf623b76132f19f21e1ad8c5098fd825f0c466f5d426ce07266d28b4f8f66802686

    • 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/3328-50-0x00007FF971180000-0x00007FF971C41000-memory.dmp

      Filesize

      10.8MB

    • memory/3328-2-0x000000001AE10000-0x000000001AE6C000-memory.dmp

      Filesize

      368KB

    • memory/3328-1-0x0000000000230000-0x000000000031E000-memory.dmp

      Filesize

      952KB

    • memory/3328-8-0x000000001AEB0000-0x000000001AEC2000-memory.dmp

      Filesize

      72KB

    • memory/3328-9-0x000000001BC10000-0x000000001BC4C000-memory.dmp

      Filesize

      240KB

    • memory/3328-10-0x00007FF971183000-0x00007FF971185000-memory.dmp

      Filesize

      8KB

    • memory/3328-11-0x00007FF971180000-0x00007FF971C41000-memory.dmp

      Filesize

      10.8MB

    • memory/3328-12-0x000000001BD60000-0x000000001BE6A000-memory.dmp

      Filesize

      1.0MB

    • memory/3328-4-0x00007FF971180000-0x00007FF971C41000-memory.dmp

      Filesize

      10.8MB

    • memory/3328-6-0x0000000002520000-0x0000000002528000-memory.dmp

      Filesize

      32KB

    • memory/3328-7-0x000000001AE80000-0x000000001AE88000-memory.dmp

      Filesize

      32KB

    • memory/3328-5-0x000000001AE70000-0x000000001AE82000-memory.dmp

      Filesize

      72KB

    • memory/3328-0-0x00007FF971183000-0x00007FF971185000-memory.dmp

      Filesize

      8KB

    • memory/3328-3-0x0000000002470000-0x000000000247E000-memory.dmp

      Filesize

      56KB

    • memory/3724-71-0x0000000000560000-0x0000000000568000-memory.dmp

      Filesize

      32KB

    • memory/4908-53-0x000000001C510000-0x000000001C55E000-memory.dmp

      Filesize

      312KB

    • memory/4908-55-0x000000001B380000-0x000000001B398000-memory.dmp

      Filesize

      96KB

    • memory/4908-56-0x000000001CB70000-0x000000001CD32000-memory.dmp

      Filesize

      1.8MB

    • memory/4908-57-0x000000001B400000-0x000000001B410000-memory.dmp

      Filesize

      64KB

    • memory/5116-33-0x00007FF971180000-0x00007FF971C41000-memory.dmp

      Filesize

      10.8MB

    • memory/5116-29-0x00007FF971180000-0x00007FF971C41000-memory.dmp

      Filesize

      10.8MB

    • memory/5116-27-0x0000000000A50000-0x0000000000A5C000-memory.dmp

      Filesize

      48KB

    • memory/5116-28-0x00007FF971180000-0x00007FF971C41000-memory.dmp

      Filesize

      10.8MB