Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-06-2024 01:05

General

  • Target

    0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe

  • Size

    917KB

  • MD5

    668520daa3022bddaa770b23dc408d55

  • SHA1

    a80280d6cf9b887bb1badc482f29e71f2ee7c45b

  • SHA256

    0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7

  • SHA512

    2b5f132055ade2629e0e8eedcb8183b53662d9602f51d90da4dfed0b4a9635ef04897f3912d59ff886168ab04813c4e3967de2aeb067a5c0a1bcd622c4adfb95

  • SSDEEP

    24576:sNL34MROxnFD3Ew8XlrrcI0AilFEvxHProoT:sWMiJIrrcI0AilFEvxHP

Malware Config

Extracted

Family

orcus

C2

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

Mutex

da4f27f56f6c4be9b71a93002d0bd352

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    false

  • install_path

    %programfiles%\Edge\Application\msruntime.exe

  • reconnect_delay

    10000

  • registry_keyname

    Microsoft Edge

  • taskscheduler_taskname

    Microsoft Edge Startup

  • watchdog_path

    AppData\tasklist.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
  • 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).

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe
    "C:\Users\Admin\AppData\Local\Temp\0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4680
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:388
    • C:\Program Files (x86)\Edge\Application\msruntime.exe
      "C:\Program Files (x86)\Edge\Application\msruntime.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2220
      • C:\Users\Admin\AppData\Roaming\tasklist.exe
        "C:\Users\Admin\AppData\Roaming\tasklist.exe" /launchSelfAndExit "C:\Program Files (x86)\Edge\Application\msruntime.exe" 2220 /protectFile
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5088
        • C:\Users\Admin\AppData\Roaming\tasklist.exe
          "C:\Users\Admin\AppData\Roaming\tasklist.exe" /watchProcess "C:\Program Files (x86)\Edge\Application\msruntime.exe" 2220 "/protectFile"
          4⤵
          • Executes dropped EXE
          • Enumerates processes with tasklist
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2960
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:2216
  • C:\Program Files (x86)\Edge\Application\msruntime.exe
    "C:\Program Files (x86)\Edge\Application\msruntime.exe"
    1⤵
    • Executes dropped EXE
    PID:632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Edge\Application\msruntime.exe

    Filesize

    917KB

    MD5

    668520daa3022bddaa770b23dc408d55

    SHA1

    a80280d6cf9b887bb1badc482f29e71f2ee7c45b

    SHA256

    0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7

    SHA512

    2b5f132055ade2629e0e8eedcb8183b53662d9602f51d90da4dfed0b4a9635ef04897f3912d59ff886168ab04813c4e3967de2aeb067a5c0a1bcd622c4adfb95

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

    Filesize

    425B

    MD5

    4eaca4566b22b01cd3bc115b9b0b2196

    SHA1

    e743e0792c19f71740416e7b3c061d9f1336bf94

    SHA256

    34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

    SHA512

    bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

  • C:\Users\Admin\AppData\Roaming\tasklist.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/388-30-0x00007FFE97110000-0x00007FFE97BD1000-memory.dmp

    Filesize

    10.8MB

  • memory/388-26-0x00007FFE97110000-0x00007FFE97BD1000-memory.dmp

    Filesize

    10.8MB

  • memory/388-25-0x00000000026C0000-0x00000000026FC000-memory.dmp

    Filesize

    240KB

  • memory/388-22-0x0000000000490000-0x000000000049C000-memory.dmp

    Filesize

    48KB

  • memory/388-23-0x00007FFE97113000-0x00007FFE97115000-memory.dmp

    Filesize

    8KB

  • memory/388-24-0x0000000002520000-0x0000000002532000-memory.dmp

    Filesize

    72KB

  • memory/2216-74-0x00007FFE97110000-0x00007FFE97BD1000-memory.dmp

    Filesize

    10.8MB

  • memory/2216-33-0x0000000019EC0000-0x0000000019FCA000-memory.dmp

    Filesize

    1.0MB

  • memory/2216-32-0x00007FFE97110000-0x00007FFE97BD1000-memory.dmp

    Filesize

    10.8MB

  • memory/2220-49-0x0000000005830000-0x0000000005842000-memory.dmp

    Filesize

    72KB

  • memory/2220-50-0x0000000005D00000-0x0000000005D4E000-memory.dmp

    Filesize

    312KB

  • memory/2220-55-0x0000000006A00000-0x0000000006A0A000-memory.dmp

    Filesize

    40KB

  • memory/2220-54-0x00000000066D0000-0x00000000066E0000-memory.dmp

    Filesize

    64KB

  • memory/2220-53-0x0000000006500000-0x0000000006518000-memory.dmp

    Filesize

    96KB

  • memory/2220-51-0x0000000005D90000-0x0000000005DA8000-memory.dmp

    Filesize

    96KB

  • memory/4680-4-0x0000000074C60000-0x0000000075410000-memory.dmp

    Filesize

    7.7MB

  • memory/4680-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

    Filesize

    4KB

  • memory/4680-48-0x0000000074C60000-0x0000000075410000-memory.dmp

    Filesize

    7.7MB

  • memory/4680-8-0x00000000056B0000-0x00000000056D2000-memory.dmp

    Filesize

    136KB

  • memory/4680-5-0x0000000005CE0000-0x0000000006284000-memory.dmp

    Filesize

    5.6MB

  • memory/4680-6-0x00000000055E0000-0x0000000005672000-memory.dmp

    Filesize

    584KB

  • memory/4680-7-0x0000000005520000-0x0000000005532000-memory.dmp

    Filesize

    72KB

  • memory/4680-3-0x00000000053C0000-0x000000000541C000-memory.dmp

    Filesize

    368KB

  • memory/4680-2-0x0000000002DA0000-0x0000000002DAE000-memory.dmp

    Filesize

    56KB

  • memory/4680-1-0x0000000000960000-0x0000000000A4A000-memory.dmp

    Filesize

    936KB

  • memory/5088-69-0x0000000000A40000-0x0000000000A48000-memory.dmp

    Filesize

    32KB