Analysis

  • max time kernel
    119s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/03/2025, 01:04

General

  • Target

    ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463bN.exe

  • Size

    1.1MB

  • MD5

    7f99ce9b97f5e577b97470637c426ee0

  • SHA1

    c16808d9fc554b1d04ab03d52d83efeabd2cba6c

  • SHA256

    ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463b

  • SHA512

    f13faf3eb02b844dfa2c78c7f84aecc13721d3fc9632ba25c14e69b59af7c78910a084007c857510859a5e08f4fa8ab177bdf13aa9e2be205df5756d5aa0daeb

  • SSDEEP

    24576:f7R4MROxnFl3czErrcI0AilFEvxHPgook/IRx1FPDRyRAVy5p:fSMir1rrcI0AilFEvxHP7/IRx1FPDRyZ

Malware Config

Extracted

Family

orcus

C2

h0metowgh0svi3ws.servequake.com:10114

Mutex

f4a241c2356f470581f678498d8553bb

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    true

  • install_path

    %programfiles%\winupdate\Winupdates.exe

  • reconnect_delay

    10000

  • registry_keyname

    Orcus

  • taskscheduler_taskname

    Orcus

  • watchdog_path

    AppData\WinupdateWatchdog.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 3 IoCs

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

  • Executes dropped EXE 4 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463bN.exe
    "C:\Users\Admin\AppData\Local\Temp\ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463bN.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5988
    • C:\Program Files (x86)\winupdate\Winupdates.exe
      "C:\Program Files (x86)\winupdate\Winupdates.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3084
      • C:\Users\Admin\AppData\Roaming\WinupdateWatchdog.exe
        "C:\Users\Admin\AppData\Roaming\WinupdateWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\winupdate\Winupdates.exe" 3084 /protectFile
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4744
        • C:\Users\Admin\AppData\Roaming\WinupdateWatchdog.exe
          "C:\Users\Admin\AppData\Roaming\WinupdateWatchdog.exe" /watchProcess "C:\Program Files (x86)\winupdate\Winupdates.exe" 3084 "/protectFile"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4840
  • C:\Program Files (x86)\winupdate\Winupdates.exe
    "C:\Program Files (x86)\winupdate\Winupdates.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\winupdate\Winupdates.exe

    Filesize

    1.1MB

    MD5

    7f99ce9b97f5e577b97470637c426ee0

    SHA1

    c16808d9fc554b1d04ab03d52d83efeabd2cba6c

    SHA256

    ded649aab619195cd663469dcb4078dcf02c1e1aebd42cdc5e189fb8242a463b

    SHA512

    f13faf3eb02b844dfa2c78c7f84aecc13721d3fc9632ba25c14e69b59af7c78910a084007c857510859a5e08f4fa8ab177bdf13aa9e2be205df5756d5aa0daeb

  • C:\Program Files (x86)\winupdate\Winupdates.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

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

    Filesize

    425B

    MD5

    4eaca4566b22b01cd3bc115b9b0b2196

    SHA1

    e743e0792c19f71740416e7b3c061d9f1336bf94

    SHA256

    34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

    SHA512

    bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • memory/3084-31-0x00000000062E0000-0x00000000062EA000-memory.dmp

    Filesize

    40KB

  • memory/3084-30-0x0000000006130000-0x0000000006140000-memory.dmp

    Filesize

    64KB

  • memory/3084-53-0x0000000075450000-0x0000000075C00000-memory.dmp

    Filesize

    7.7MB

  • memory/3084-52-0x0000000075450000-0x0000000075C00000-memory.dmp

    Filesize

    7.7MB

  • memory/3084-28-0x0000000006300000-0x00000000064C2000-memory.dmp

    Filesize

    1.8MB

  • memory/3084-27-0x0000000005F90000-0x0000000005FA8000-memory.dmp

    Filesize

    96KB

  • memory/3084-23-0x0000000075450000-0x0000000075C00000-memory.dmp

    Filesize

    7.7MB

  • memory/3084-25-0x00000000056E0000-0x000000000572E000-memory.dmp

    Filesize

    312KB

  • memory/3084-24-0x0000000075450000-0x0000000075C00000-memory.dmp

    Filesize

    7.7MB

  • memory/4576-33-0x0000000075450000-0x0000000075C00000-memory.dmp

    Filesize

    7.7MB

  • memory/4576-29-0x0000000075450000-0x0000000075C00000-memory.dmp

    Filesize

    7.7MB

  • memory/4576-51-0x0000000075450000-0x0000000075C00000-memory.dmp

    Filesize

    7.7MB

  • memory/4744-46-0x0000000000290000-0x0000000000298000-memory.dmp

    Filesize

    32KB

  • memory/5988-3-0x0000000004ED0000-0x0000000004F2C000-memory.dmp

    Filesize

    368KB

  • memory/5988-5-0x0000000005560000-0x0000000005B04000-memory.dmp

    Filesize

    5.6MB

  • memory/5988-4-0x0000000075450000-0x0000000075C00000-memory.dmp

    Filesize

    7.7MB

  • memory/5988-0-0x000000007545E000-0x000000007545F000-memory.dmp

    Filesize

    4KB

  • memory/5988-22-0x0000000075450000-0x0000000075C00000-memory.dmp

    Filesize

    7.7MB

  • memory/5988-2-0x0000000002940000-0x000000000294E000-memory.dmp

    Filesize

    56KB

  • memory/5988-1-0x0000000000430000-0x0000000000556000-memory.dmp

    Filesize

    1.1MB

  • memory/5988-7-0x0000000005040000-0x0000000005052000-memory.dmp

    Filesize

    72KB

  • memory/5988-6-0x0000000005060000-0x00000000050F2000-memory.dmp

    Filesize

    584KB