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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/12/2023, 01:58

General

  • Target

    f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.exe

  • Size

    920KB

  • MD5

    c9aeef7c44479314d6358e7c145d9646

  • SHA1

    969560e3d2ee7cf934be23313bcbe0c913bfdabf

  • SHA256

    f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03

  • SHA512

    dfa17c07bd1e2287b721e19e596144a435025d4decea5338ffb3193359091c01fa522176e996ba26cb3146bb0f94e0fd4b8269bdf6a2d1a8ce89033ef71c7a3e

  • SSDEEP

    24576:t554MROxnFZ3aIBM45rrcI0AilFEvxHP3oo1:tQMi7ae5rrcI0AilFEvxHP

Malware Config

Extracted

Family

orcus

C2

46.55.218.169:1337

Mutex

680ae3a19f2e4d55a11b066207de7ad5

Attributes
  • autostart_method

    Registry

  • enable_keylogger

    false

  • install_path

    %programfiles%\Orcus\Orcus.exe

  • reconnect_delay

    10000

  • registry_keyname

    Orcus

  • taskscheduler_taskname

    Orcus

  • watchdog_path

    AppData\OrcusWatchdog.exe

Signatures

  • Orcus

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

  • Orcus main payload 3 IoCs
  • Orcurs Rat Executable 4 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 5 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.exe
    "C:\Users\Admin\AppData\Local\Temp\f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:4460
    • C:\Program Files (x86)\Orcus\Orcus.exe
      "C:\Program Files (x86)\Orcus\Orcus.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 FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4516
      • C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
        "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 4516 /protectFile
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1532
        • C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
          "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 4516 "/protectFile"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3856
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    920KB

    MD5

    c9aeef7c44479314d6358e7c145d9646

    SHA1

    969560e3d2ee7cf934be23313bcbe0c913bfdabf

    SHA256

    f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03

    SHA512

    dfa17c07bd1e2287b721e19e596144a435025d4decea5338ffb3193359091c01fa522176e996ba26cb3146bb0f94e0fd4b8269bdf6a2d1a8ce89033ef71c7a3e

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

    Filesize

    920KB

    MD5

    c9aeef7c44479314d6358e7c145d9646

    SHA1

    969560e3d2ee7cf934be23313bcbe0c913bfdabf

    SHA256

    f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03

    SHA512

    dfa17c07bd1e2287b721e19e596144a435025d4decea5338ffb3193359091c01fa522176e996ba26cb3146bb0f94e0fd4b8269bdf6a2d1a8ce89033ef71c7a3e

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

    Filesize

    920KB

    MD5

    c9aeef7c44479314d6358e7c145d9646

    SHA1

    969560e3d2ee7cf934be23313bcbe0c913bfdabf

    SHA256

    f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03

    SHA512

    dfa17c07bd1e2287b721e19e596144a435025d4decea5338ffb3193359091c01fa522176e996ba26cb3146bb0f94e0fd4b8269bdf6a2d1a8ce89033ef71c7a3e

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

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

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

    Filesize

    425B

    MD5

    4eaca4566b22b01cd3bc115b9b0b2196

    SHA1

    e743e0792c19f71740416e7b3c061d9f1336bf94

    SHA256

    34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

    SHA512

    bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • C:\Windows\SysWOW64\WindowsInput.exe

    Filesize

    21KB

    MD5

    e6fcf516d8ed8d0d4427f86e08d0d435

    SHA1

    c7691731583ab7890086635cb7f3e4c22ca5e409

    SHA256

    8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

    SHA512

    c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

  • C:\Windows\SysWOW64\WindowsInput.exe

    Filesize

    21KB

    MD5

    e6fcf516d8ed8d0d4427f86e08d0d435

    SHA1

    c7691731583ab7890086635cb7f3e4c22ca5e409

    SHA256

    8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

    SHA512

    c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

  • C:\Windows\SysWOW64\WindowsInput.exe

    Filesize

    21KB

    MD5

    e6fcf516d8ed8d0d4427f86e08d0d435

    SHA1

    c7691731583ab7890086635cb7f3e4c22ca5e409

    SHA256

    8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

    SHA512

    c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

  • 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/816-33-0x000000001A3A0000-0x000000001A3B0000-memory.dmp

    Filesize

    64KB

  • memory/816-32-0x00007FF9CCB50000-0x00007FF9CD611000-memory.dmp

    Filesize

    10.8MB

  • memory/816-78-0x000000001A3A0000-0x000000001A3B0000-memory.dmp

    Filesize

    64KB

  • memory/816-34-0x000000001A800000-0x000000001A90A000-memory.dmp

    Filesize

    1.0MB

  • memory/816-77-0x00007FF9CCB50000-0x00007FF9CD611000-memory.dmp

    Filesize

    10.8MB

  • memory/1208-5-0x0000000005730000-0x0000000005CD4000-memory.dmp

    Filesize

    5.6MB

  • memory/1208-2-0x00000000050A0000-0x00000000050B0000-memory.dmp

    Filesize

    64KB

  • memory/1208-7-0x0000000005280000-0x0000000005292000-memory.dmp

    Filesize

    72KB

  • memory/1208-6-0x00000000052A0000-0x0000000005332000-memory.dmp

    Filesize

    584KB

  • memory/1208-8-0x00000000056F0000-0x0000000005712000-memory.dmp

    Filesize

    136KB

  • memory/1208-4-0x0000000005120000-0x000000000517C000-memory.dmp

    Filesize

    368KB

  • memory/1208-3-0x0000000005080000-0x000000000508E000-memory.dmp

    Filesize

    56KB

  • memory/1208-49-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/1208-1-0x00000000006A0000-0x000000000078C000-memory.dmp

    Filesize

    944KB

  • memory/1208-0-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/1532-71-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/1532-70-0x0000000000770000-0x0000000000778000-memory.dmp

    Filesize

    32KB

  • memory/1532-75-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/3856-82-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/3856-76-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/4460-30-0x00007FF9CCB50000-0x00007FF9CD611000-memory.dmp

    Filesize

    10.8MB

  • memory/4460-26-0x000000001B410000-0x000000001B44C000-memory.dmp

    Filesize

    240KB

  • memory/4460-22-0x0000000000700000-0x000000000070C000-memory.dmp

    Filesize

    48KB

  • memory/4460-23-0x00007FF9CCB50000-0x00007FF9CD611000-memory.dmp

    Filesize

    10.8MB

  • memory/4460-24-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/4460-25-0x00000000027A0000-0x00000000027B2000-memory.dmp

    Filesize

    72KB

  • memory/4516-53-0x0000000005E30000-0x0000000005E48000-memory.dmp

    Filesize

    96KB

  • memory/4516-50-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/4516-51-0x00000000058B0000-0x00000000058C0000-memory.dmp

    Filesize

    64KB

  • memory/4516-52-0x0000000005DC0000-0x0000000005E0E000-memory.dmp

    Filesize

    312KB

  • memory/4516-58-0x00000000058B0000-0x00000000058C0000-memory.dmp

    Filesize

    64KB

  • memory/4516-54-0x00000000065A0000-0x00000000065B0000-memory.dmp

    Filesize

    64KB

  • memory/4516-79-0x0000000074790000-0x0000000074F40000-memory.dmp

    Filesize

    7.7MB

  • memory/4516-80-0x00000000058B0000-0x00000000058C0000-memory.dmp

    Filesize

    64KB

  • memory/4516-81-0x00000000058B0000-0x00000000058C0000-memory.dmp

    Filesize

    64KB

  • memory/4516-55-0x00000000068B0000-0x00000000068BA000-memory.dmp

    Filesize

    40KB