Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-01-2025 04:09

General

  • Target

    de0abb05a3ab58a6d7347837f219f7dbc84814d553eb2e28a393a2ebac90b565.exe

  • Size

    995KB

  • MD5

    9e01a75033d1b6a32628e48f855e8d38

  • SHA1

    468634240b604340bbbb5b921df925c3f395fcf9

  • SHA256

    de0abb05a3ab58a6d7347837f219f7dbc84814d553eb2e28a393a2ebac90b565

  • SHA512

    a9b3473359edb262d3a6d6cef8d2b2e8744e8a2ad6fc29cc0d003646d58a50a0c5cdf912699ee8bf1ba898f6b52ab117386d0bcc26ac837fe5b6d5c2cd204356

  • SSDEEP

    24576:0NCnod4Mp+xnFN3Fs33SCarsvIENFIUHj/r1g:EOzM6zFs3CCarsvIENFIUHbrW

Malware Config

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
  • Adds Run key to start application 2 TTPs 1 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 WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de0abb05a3ab58a6d7347837f219f7dbc84814d553eb2e28a393a2ebac90b565.exe
    "C:\Users\Admin\AppData\Local\Temp\de0abb05a3ab58a6d7347837f219f7dbc84814d553eb2e28a393a2ebac90b565.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4936
    • C:\Program Files (x86)\Server\Network.exe
      "C:\Program Files (x86)\Server\Network.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2204
      • C:\Users\Admin\AppData\Roaming\Watchdog.exe
        "C:\Users\Admin\AppData\Roaming\Watchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Server\Network.exe" 2204 /protectFile
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3188
        • C:\Users\Admin\AppData\Roaming\Watchdog.exe
          "C:\Users\Admin\AppData\Roaming\Watchdog.exe" /watchProcess "C:\Program Files (x86)\Server\Network.exe" 2204 "/protectFile"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4412
  • C:\Program Files (x86)\Server\Network.exe
    "C:\Program Files (x86)\Server\Network.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Server\Network.exe

    Filesize

    995KB

    MD5

    9e01a75033d1b6a32628e48f855e8d38

    SHA1

    468634240b604340bbbb5b921df925c3f395fcf9

    SHA256

    de0abb05a3ab58a6d7347837f219f7dbc84814d553eb2e28a393a2ebac90b565

    SHA512

    a9b3473359edb262d3a6d6cef8d2b2e8744e8a2ad6fc29cc0d003646d58a50a0c5cdf912699ee8bf1ba898f6b52ab117386d0bcc26ac837fe5b6d5c2cd204356

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

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

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

    Filesize

    425B

    MD5

    4eaca4566b22b01cd3bc115b9b0b2196

    SHA1

    e743e0792c19f71740416e7b3c061d9f1336bf94

    SHA256

    34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

    SHA512

    bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • memory/2204-24-0x0000000075440000-0x0000000075BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2204-53-0x0000000007B60000-0x0000000007BC6000-memory.dmp

    Filesize

    408KB

  • memory/2204-56-0x0000000007D50000-0x0000000007D8C000-memory.dmp

    Filesize

    240KB

  • memory/2204-55-0x0000000007CF0000-0x0000000007D02000-memory.dmp

    Filesize

    72KB

  • memory/2204-54-0x00000000082F0000-0x0000000008908000-memory.dmp

    Filesize

    6.1MB

  • memory/2204-58-0x0000000007F10000-0x000000000801A000-memory.dmp

    Filesize

    1.0MB

  • memory/2204-59-0x0000000008910000-0x0000000008AD2000-memory.dmp

    Filesize

    1.8MB

  • memory/2204-57-0x0000000007D90000-0x0000000007DDC000-memory.dmp

    Filesize

    304KB

  • memory/2204-62-0x0000000075440000-0x0000000075BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2204-26-0x0000000075440000-0x0000000075BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2204-27-0x0000000005DF0000-0x0000000005E3E000-memory.dmp

    Filesize

    312KB

  • memory/2204-29-0x0000000005FA0000-0x0000000005FB8000-memory.dmp

    Filesize

    96KB

  • memory/2204-63-0x0000000075440000-0x0000000075BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2204-31-0x0000000006000000-0x0000000006010000-memory.dmp

    Filesize

    64KB

  • memory/2204-33-0x0000000006E60000-0x0000000006E6A000-memory.dmp

    Filesize

    40KB

  • memory/3188-49-0x0000000000450000-0x0000000000458000-memory.dmp

    Filesize

    32KB

  • memory/3284-30-0x0000000075440000-0x0000000075BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3284-32-0x0000000075440000-0x0000000075BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3284-61-0x0000000075440000-0x0000000075BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4936-0-0x000000007544E000-0x000000007544F000-memory.dmp

    Filesize

    4KB

  • memory/4936-25-0x0000000075440000-0x0000000075BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4936-8-0x0000000005AB0000-0x0000000005AB8000-memory.dmp

    Filesize

    32KB

  • memory/4936-7-0x0000000005680000-0x0000000005692000-memory.dmp

    Filesize

    72KB

  • memory/4936-6-0x0000000005690000-0x0000000005722000-memory.dmp

    Filesize

    584KB

  • memory/4936-5-0x0000000005BA0000-0x0000000006144000-memory.dmp

    Filesize

    5.6MB

  • memory/4936-4-0x0000000005590000-0x00000000055EC000-memory.dmp

    Filesize

    368KB

  • memory/4936-3-0x0000000075440000-0x0000000075BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4936-2-0x0000000001860000-0x000000000186E000-memory.dmp

    Filesize

    56KB

  • memory/4936-1-0x0000000000BC0000-0x0000000000CBA000-memory.dmp

    Filesize

    1000KB