Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    31-05-2024 01:50

General

  • Target

    7f47451d8f82f95aa9f106e697b1592aeb41aa22c64b7a36b6899ed909c8aaac.exe

  • Size

    2.0MB

  • MD5

    f1ea89dd8554bb2a263843b1d13710fa

  • SHA1

    347c6eec4c97ff1d55d2a96726b973b6fdcfc13e

  • SHA256

    7f47451d8f82f95aa9f106e697b1592aeb41aa22c64b7a36b6899ed909c8aaac

  • SHA512

    706209a15e884afdfaa3bfae4321402658bf976ba79ca1180fe8a656beccd6611eeae778a458dc3db0af5ae6ebbec12dc44159a2c01077bc78554d45da58ecc0

  • SSDEEP

    24576:9jb4MROxnFD3+w8XlrrcI0AilFEvxHP8B6Zoo+:9YMiJ+rrcI0AilFEvxHP8

Malware Config

Extracted

Family

orcus

C2

medicine-pushing.gl.at.ply.gg:50488

Mutex

5320e8a576c446318415088a3fab389c

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    true

  • install_path

    %programfiles%\VMware\VMware Workstation\activate.exe

  • reconnect_delay

    10000

  • registry_keyname

    Activate VMWARE

  • taskscheduler_taskname

    vmware Bridge-Service

  • watchdog_path

    AppData\svchost.exe

Signatures

  • Orcus

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

  • Orcus main payload 2 IoCs
  • Orcurs Rat Executable 4 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 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 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f47451d8f82f95aa9f106e697b1592aeb41aa22c64b7a36b6899ed909c8aaac.exe
    "C:\Users\Admin\AppData\Local\Temp\7f47451d8f82f95aa9f106e697b1592aeb41aa22c64b7a36b6899ed909c8aaac.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:2264
    • C:\Program Files (x86)\VMware\VMware Workstation\activate.exe
      "C:\Program Files (x86)\VMware\VMware Workstation\activate.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2608
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe" /launchSelfAndExit "C:\Program Files (x86)\VMware\VMware Workstation\activate.exe" 2608 /protectFile
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2988
        • C:\Users\Admin\AppData\Roaming\svchost.exe
          "C:\Users\Admin\AppData\Roaming\svchost.exe" /watchProcess "C:\Program Files (x86)\VMware\VMware Workstation\activate.exe" 2608 "/protectFile"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1120
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:2552
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {98E79030-0983-49ED-BA37-917171E95DF7} S-1-5-21-1298544033-3225604241-2703760938-1000:IZKCKOTP\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Program Files (x86)\VMware\VMware Workstation\activate.exe
      "C:\Program Files (x86)\VMware\VMware Workstation\activate.exe"
      2⤵
      • Executes dropped EXE
      PID:1316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\VMware\VMware Workstation\activate.exe

    Filesize

    1.8MB

    MD5

    201775f618c4c14afb51bbe745d1c8d3

    SHA1

    9fc09c98b9722f40c5c98e3e24ae4925ca8f79e8

    SHA256

    23d398471013cb275046d73963e4f697e7fb89083147e89a08e28c1237c426af

    SHA512

    9065d934e3fab5a5296e8e399707d228992ecf019e1bbbf22aa67406023890c02e41020b5a2e84562dd7e7b29d49e256cf45a70fd151d2d7ddc23673e4f902f8

  • C:\Program Files (x86)\VMware\VMware Workstation\activate.exe

    Filesize

    2.0MB

    MD5

    f1ea89dd8554bb2a263843b1d13710fa

    SHA1

    347c6eec4c97ff1d55d2a96726b973b6fdcfc13e

    SHA256

    7f47451d8f82f95aa9f106e697b1592aeb41aa22c64b7a36b6899ed909c8aaac

    SHA512

    706209a15e884afdfaa3bfae4321402658bf976ba79ca1180fe8a656beccd6611eeae778a458dc3db0af5ae6ebbec12dc44159a2c01077bc78554d45da58ecc0

  • C:\Users\Admin\AppData\Roaming\svchost.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/756-1-0x00000000001B0000-0x000000000029A000-memory.dmp

    Filesize

    936KB

  • memory/756-3-0x0000000074820000-0x0000000074F0E000-memory.dmp

    Filesize

    6.9MB

  • memory/756-4-0x0000000000530000-0x000000000058C000-memory.dmp

    Filesize

    368KB

  • memory/756-2-0x0000000000390000-0x000000000039E000-memory.dmp

    Filesize

    56KB

  • memory/756-5-0x00000000004E0000-0x00000000004F2000-memory.dmp

    Filesize

    72KB

  • memory/756-0-0x000000007482E000-0x000000007482F000-memory.dmp

    Filesize

    4KB

  • memory/756-32-0x0000000074820000-0x0000000074F0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2264-16-0x000007FEF5A50000-0x000007FEF643C000-memory.dmp

    Filesize

    9.9MB

  • memory/2264-19-0x000007FEF5A50000-0x000007FEF643C000-memory.dmp

    Filesize

    9.9MB

  • memory/2264-15-0x0000000000070000-0x000000000007C000-memory.dmp

    Filesize

    48KB

  • memory/2264-13-0x000007FEF5A53000-0x000007FEF5A54000-memory.dmp

    Filesize

    4KB

  • memory/2552-21-0x0000000000BF0000-0x0000000000BFC000-memory.dmp

    Filesize

    48KB

  • memory/2608-31-0x0000000000070000-0x000000000015A000-memory.dmp

    Filesize

    936KB

  • memory/2608-33-0x0000000004310000-0x000000000435E000-memory.dmp

    Filesize

    312KB

  • memory/2608-34-0x0000000004360000-0x0000000004378000-memory.dmp

    Filesize

    96KB

  • memory/2608-35-0x00000000047B0000-0x00000000047C0000-memory.dmp

    Filesize

    64KB

  • memory/2988-46-0x0000000000230000-0x0000000000238000-memory.dmp

    Filesize

    32KB