Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 01:24

General

  • Target

    cafaf51caed0d57ee3b70beb26ca7a1ad689b7ca08066c31b70e93f740213e24.exe

  • Size

    992KB

  • MD5

    e8096839712127e687d0df6ea0ee205f

  • SHA1

    a8bc4c9692f9d081ebc55f35f6560b17c776cb06

  • SHA256

    cafaf51caed0d57ee3b70beb26ca7a1ad689b7ca08066c31b70e93f740213e24

  • SHA512

    c5ee0105f17af18929f86a64297279554f756c9bc777c29b5393e8f46e2876eb6e1c087e3d4e4845c39a393f4e4660c45f59c5f0b4daeb1da0ed4ade1ec17cc2

  • SSDEEP

    24576:nQA4MROxnFE31O3XrrcI0AilFEvxHPlfHaooM:n2Miu6XrrcI0AilFEvxHPlf

Malware Config

Extracted

Family

orcus

Botnet

Novie

C2

192.168.127.128:5765

Mutex

b299e3d18fe04161815341cb7e50270b

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    true

  • install_path

    %programfiles%\Orcus\Orcus.exe

  • reconnect_delay

    10000

  • registry_keyname

    Orcus

  • taskscheduler_taskname

    WindowsDefender

  • watchdog_path

    AppData\MicrosoftDefender.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 6 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cafaf51caed0d57ee3b70beb26ca7a1ad689b7ca08066c31b70e93f740213e24.exe
    "C:\Users\Admin\AppData\Local\Temp\cafaf51caed0d57ee3b70beb26ca7a1ad689b7ca08066c31b70e93f740213e24.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:4904
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:1316
    • C:\Program Files (x86)\Orcus\Orcus.exe
      "C:\Program Files (x86)\Orcus\Orcus.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 FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4248
      • C:\Users\Admin\AppData\Roaming\MicrosoftDefender.exe
        "C:\Users\Admin\AppData\Roaming\MicrosoftDefender.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 4248 /protectFile
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1464
        • C:\Users\Admin\AppData\Roaming\MicrosoftDefender.exe
          "C:\Users\Admin\AppData\Roaming\MicrosoftDefender.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 4248 "/protectFile"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3848
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:4560
  • C:\Program Files (x86)\Orcus\Orcus.exe
    "C:\Program Files (x86)\Orcus\Orcus.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Orcus\Orcus.exe

    Filesize

    992KB

    MD5

    e8096839712127e687d0df6ea0ee205f

    SHA1

    a8bc4c9692f9d081ebc55f35f6560b17c776cb06

    SHA256

    cafaf51caed0d57ee3b70beb26ca7a1ad689b7ca08066c31b70e93f740213e24

    SHA512

    c5ee0105f17af18929f86a64297279554f756c9bc777c29b5393e8f46e2876eb6e1c087e3d4e4845c39a393f4e4660c45f59c5f0b4daeb1da0ed4ade1ec17cc2

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

    Filesize

    425B

    MD5

    4eaca4566b22b01cd3bc115b9b0b2196

    SHA1

    e743e0792c19f71740416e7b3c061d9f1336bf94

    SHA256

    34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

    SHA512

    bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

  • C:\Users\Admin\AppData\Roaming\Center\err_b299e3d18fe04161815341cb7e50270b.dat

    Filesize

    1KB

    MD5

    1b5b3f3f9f588cd95e3bc2af3fc76512

    SHA1

    e367342cff62716319c5c6677b0643c605ae2d6c

    SHA256

    051fafb9f10bc99e2cb036e6d19760e019758c9c6a2f9107cbd3812e09127606

    SHA512

    14cff600ee5384318760ab24fcad5e76923e9642c26cbc0927a45ab851f0acc02aac3eb8bf79b6d6d619e2cf6284802675dcb598a94c48955101d893b2bc671e

  • C:\Users\Admin\AppData\Roaming\MicrosoftDefender.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/1316-31-0x00007FFA2E143000-0x00007FFA2E145000-memory.dmp

    Filesize

    8KB

  • memory/1316-32-0x0000000000480000-0x000000000048C000-memory.dmp

    Filesize

    48KB

  • memory/1316-39-0x00007FFA2E140000-0x00007FFA2EC01000-memory.dmp

    Filesize

    10.8MB

  • memory/1316-35-0x00007FFA2E140000-0x00007FFA2EC01000-memory.dmp

    Filesize

    10.8MB

  • memory/1316-34-0x0000000002570000-0x00000000025AC000-memory.dmp

    Filesize

    240KB

  • memory/1316-33-0x0000000002510000-0x0000000002522000-memory.dmp

    Filesize

    72KB

  • memory/1464-82-0x0000000000A40000-0x0000000000A48000-memory.dmp

    Filesize

    32KB

  • memory/4248-62-0x00000000065D0000-0x000000000661E000-memory.dmp

    Filesize

    312KB

  • memory/4248-59-0x0000000005410000-0x0000000005422000-memory.dmp

    Filesize

    72KB

  • memory/4248-68-0x0000000007170000-0x000000000717A000-memory.dmp

    Filesize

    40KB

  • memory/4248-67-0x00000000071D0000-0x0000000007392000-memory.dmp

    Filesize

    1.8MB

  • memory/4248-66-0x0000000007000000-0x0000000007010000-memory.dmp

    Filesize

    64KB

  • memory/4248-64-0x0000000006E50000-0x0000000006E68000-memory.dmp

    Filesize

    96KB

  • memory/4248-63-0x0000000006640000-0x0000000006658000-memory.dmp

    Filesize

    96KB

  • memory/4560-42-0x000000001A600000-0x000000001A70A000-memory.dmp

    Filesize

    1.0MB

  • memory/4560-41-0x00007FFA2E140000-0x00007FFA2EC01000-memory.dmp

    Filesize

    10.8MB

  • memory/4560-87-0x00007FFA2E140000-0x00007FFA2EC01000-memory.dmp

    Filesize

    10.8MB

  • memory/4904-7-0x0000000005230000-0x0000000005242000-memory.dmp

    Filesize

    72KB

  • memory/4904-13-0x00000000059C0000-0x00000000059FC000-memory.dmp

    Filesize

    240KB

  • memory/4904-10-0x0000000005890000-0x00000000058F6000-memory.dmp

    Filesize

    408KB

  • memory/4904-14-0x0000000005A00000-0x0000000005A4C000-memory.dmp

    Filesize

    304KB

  • memory/4904-3-0x0000000075140000-0x00000000758F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4904-58-0x0000000075140000-0x00000000758F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4904-0-0x000000007514E000-0x000000007514F000-memory.dmp

    Filesize

    4KB

  • memory/4904-4-0x0000000004BA0000-0x0000000004BFC000-memory.dmp

    Filesize

    368KB

  • memory/4904-12-0x0000000005960000-0x0000000005972000-memory.dmp

    Filesize

    72KB

  • memory/4904-8-0x0000000005240000-0x0000000005248000-memory.dmp

    Filesize

    32KB

  • memory/4904-5-0x0000000005260000-0x0000000005804000-memory.dmp

    Filesize

    5.6MB

  • memory/4904-6-0x0000000004D50000-0x0000000004DE2000-memory.dmp

    Filesize

    584KB

  • memory/4904-17-0x0000000006540000-0x0000000006562000-memory.dmp

    Filesize

    136KB

  • memory/4904-15-0x0000000005B80000-0x0000000005C8A000-memory.dmp

    Filesize

    1.0MB

  • memory/4904-2-0x0000000004B00000-0x0000000004B0E000-memory.dmp

    Filesize

    56KB

  • memory/4904-9-0x0000000005250000-0x0000000005258000-memory.dmp

    Filesize

    32KB

  • memory/4904-1-0x0000000000260000-0x000000000035E000-memory.dmp

    Filesize

    1016KB

  • memory/4904-11-0x0000000005F20000-0x0000000006538000-memory.dmp

    Filesize

    6.1MB