Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2024 01:47

General

  • Target

    26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe

  • Size

    979KB

  • MD5

    7b31ff077a53897e3a276d3f20676fb5

  • SHA1

    2c21defc2a7df76d94ad0e54729ec6716e083fd4

  • SHA256

    26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b

  • SHA512

    96bc590b2090efddded1bc93c1b0afdc79c13e1a3d93811a57b8c22309be9e43d7d53d92f9b63108423a4b8f312f86ba647bbdc97db7c706789350e2e1b7c0dc

  • SSDEEP

    24576:UVr4MROxnFe3jdirrcI0AilFEvxHP/oo8:UWMiwIrrcI0AilFEvxHP

Malware Config

Extracted

Family

orcus

C2

192.168.189.109:8888

Mutex

0dbe81542c46467c8bfa708f7774034f

Attributes
  • autostart_method

    Registry

  • enable_keylogger

    false

  • install_path

    %programfiles%\AnyDesk.exe

  • reconnect_delay

    10000

  • registry_keyname

    AnyDesk

  • taskscheduler_taskname

    any desk

  • watchdog_path

    AppData\AnyDesk.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 3 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 4 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\26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe
    "C:\Users\Admin\AppData\Local\Temp\26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Program Files (x86)\AnyDesk.exe
      "C:\Program Files (x86)\AnyDesk.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:976
      • C:\Users\Admin\AppData\Roaming\AnyDesk.exe
        "C:\Users\Admin\AppData\Roaming\AnyDesk.exe" /launchSelfAndExit "C:\Program Files (x86)\AnyDesk.exe" 976
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3564
        • C:\Users\Admin\AppData\Roaming\AnyDesk.exe
          "C:\Users\Admin\AppData\Roaming\AnyDesk.exe" /watchProcess "C:\Program Files (x86)\AnyDesk.exe" 976
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    979KB

    MD5

    7b31ff077a53897e3a276d3f20676fb5

    SHA1

    2c21defc2a7df76d94ad0e54729ec6716e083fd4

    SHA256

    26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b

    SHA512

    96bc590b2090efddded1bc93c1b0afdc79c13e1a3d93811a57b8c22309be9e43d7d53d92f9b63108423a4b8f312f86ba647bbdc97db7c706789350e2e1b7c0dc

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

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

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

    Filesize

    425B

    MD5

    4eaca4566b22b01cd3bc115b9b0b2196

    SHA1

    e743e0792c19f71740416e7b3c061d9f1336bf94

    SHA256

    34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

    SHA512

    bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • C:\Users\Admin\AppData\Roaming\AnyDesk\err_0dbe81542c46467c8bfa708f7774034f.dat

    Filesize

    1KB

    MD5

    af1356e9bbb613fabb82c0448019f4a8

    SHA1

    27f3ca02ffb3e309cf9ecf175bb08ee04a6a3934

    SHA256

    e4cc0c641d477b8b94c26d8fc1a433967c76e08aa71d7e400312c58e7769e03c

    SHA512

    633c22d95a578cfc6568143250ad808cf37c313b80d7f1fa17ba31702970f42aaaff7cb1da3c2c1804e985b5ba79205ab983510d4ed3c09c32096ee008816abb

  • memory/976-38-0x0000000006A40000-0x0000000006A50000-memory.dmp

    Filesize

    64KB

  • memory/976-30-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/976-60-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/976-59-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/976-39-0x0000000006D60000-0x0000000006D6A000-memory.dmp

    Filesize

    40KB

  • memory/976-37-0x0000000006280000-0x0000000006298000-memory.dmp

    Filesize

    96KB

  • memory/976-36-0x0000000006230000-0x000000000627E000-memory.dmp

    Filesize

    312KB

  • memory/976-33-0x00000000050F0000-0x0000000005102000-memory.dmp

    Filesize

    72KB

  • memory/976-32-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/2988-31-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/2988-10-0x0000000006B40000-0x0000000007158000-memory.dmp

    Filesize

    6.1MB

  • memory/2988-4-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/2988-14-0x0000000006740000-0x000000000684A000-memory.dmp

    Filesize

    1.0MB

  • memory/2988-6-0x00000000058F0000-0x0000000005982000-memory.dmp

    Filesize

    584KB

  • memory/2988-13-0x00000000065C0000-0x000000000660C000-memory.dmp

    Filesize

    304KB

  • memory/2988-12-0x0000000006580000-0x00000000065BC000-memory.dmp

    Filesize

    240KB

  • memory/2988-3-0x0000000003480000-0x00000000034DC000-memory.dmp

    Filesize

    368KB

  • memory/2988-11-0x0000000006520000-0x0000000006532000-memory.dmp

    Filesize

    72KB

  • memory/2988-5-0x0000000005F70000-0x0000000006514000-memory.dmp

    Filesize

    5.6MB

  • memory/2988-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

    Filesize

    4KB

  • memory/2988-9-0x0000000005EB0000-0x0000000005F16000-memory.dmp

    Filesize

    408KB

  • memory/2988-2-0x00000000019E0000-0x00000000019EE000-memory.dmp

    Filesize

    56KB

  • memory/2988-7-0x00000000058D0000-0x00000000058E2000-memory.dmp

    Filesize

    72KB

  • memory/2988-8-0x00000000058E0000-0x00000000058E8000-memory.dmp

    Filesize

    32KB

  • memory/2988-1-0x0000000000E30000-0x0000000000F2A000-memory.dmp

    Filesize

    1000KB

  • memory/3564-58-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3564-54-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3564-53-0x0000000000B20000-0x0000000000B28000-memory.dmp

    Filesize

    32KB