Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-02-2025 15:53

General

  • Target

    SlammysMonkeModLoader.exe

  • Size

    3.3MB

  • MD5

    a6463b7f24d1114f142bc7eeef859e95

  • SHA1

    7dea038f0bfb76be98d5a4c32958f3e066fe6a22

  • SHA256

    eb905e93f90d65b25a5e441caf23fbf4d78c762ae71dcb732d9486870983e73c

  • SHA512

    9a51355a6359e287e3a8383f3aca26397ac8494c24981bcf347e64e39ba2be59b030f255ee470cec7496a74b097cd24dc417aa68593b080e6426146e79431995

  • SSDEEP

    98304:VwdKqu6ak9WXQ14pnx427k5utO0tabX2xuy:mdKquZk9WXQ2nRw5KuGxu

Malware Config

Extracted

Family

orcus

Botnet

Monkemodmanager

C2

31.44.184.52:29846

Mutex

sudo_cpktc6baomgolt2t3oa6l3h94z9nzjps

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • install_path

    %appdata%\requesttemp\downloadsapi.exe

  • reconnect_delay

    10000

  • registry_keyname

    Sudik

  • taskscheduler_taskname

    sudik

  • watchdog_path

    AppData\aga.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 2 IoCs

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

  • Executes dropped EXE 10 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 20 IoCs
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SlammysMonkeModLoader.exe
    "C:\Users\Admin\AppData\Local\Temp\SlammysMonkeModLoader.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4208
    • C:\Users\Admin\AppData\Roaming\MonkeModManager.exe
      "C:\Users\Admin\AppData\Roaming\MonkeModManager.exe"
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1152
    • C:\Users\Admin\AppData\Roaming\SlammysMonkeLoader.exe
      "C:\Users\Admin\AppData\Roaming\SlammysMonkeLoader.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1408
      • C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
        "C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1000
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
          4⤵
            PID:264
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
            4⤵
              PID:4920
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
              4⤵
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3124
      • C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
        C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1484
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          PID:4404
      • C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
        C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2204
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          PID:1448
      • C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
        C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1480
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          PID:880
      • C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
        C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3860
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
          2⤵
            PID:4872
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
            2⤵
            • System Location Discovery: System Language Discovery
            PID:3324
        • C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
          C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4260
        • C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
          C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4476
        • C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
          C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2052

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          1KB

          MD5

          663b8d5469caa4489d463aa9bc18124f

          SHA1

          e57123a7d969115853ea631a3b33826335025d28

          SHA256

          7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

          SHA512

          45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

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

          Filesize

          1KB

          MD5

          0672db2ef13237d5cb85075ff4915942

          SHA1

          ad8b4d3eb5e40791c47d48b22e273486f25f663f

          SHA256

          0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519

          SHA512

          84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b

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

          Filesize

          217KB

          MD5

          1d62aa3d19462f3d5575fc54159911b4

          SHA1

          b37eab86c0075245fcc517a280f0705f6dffb852

          SHA256

          6acaae0fb470790102a338e23dfe2263f31e529288e4efe51b34bca30371cb36

          SHA512

          78a9501d7920920577a586396e5d9e2278a7c926448c9a98d7844db9032dbd887df90d2f389fe1754bf5a2071a19dfd5d40315624923e903ef9ef6cbb214b1df

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

          Filesize

          3.0MB

          MD5

          6f69820bc23d0e66339375eb128d53b8

          SHA1

          76fe60d0f916f70a355b9bb73189162adef3c8fe

          SHA256

          2cb762773823aeb9fa80904996155d63a7f2f60f588a1b973715ac7b3ea9d437

          SHA512

          0a132498c9ac850826cb37ff7aaf1fbfe43c49b1230f78c2de820cf4964b6c18215b8bc124ae91fef272c54294a095bb6bed7270477fa2933724a6873dc0d1a9

        • C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe.config

          Filesize

          357B

          MD5

          a2b76cea3a59fa9af5ea21ff68139c98

          SHA1

          35d76475e6a54c168f536e30206578babff58274

          SHA256

          f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

          SHA512

          b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

        • memory/1000-51-0x0000000006000000-0x000000000609C000-memory.dmp

          Filesize

          624KB

        • memory/1000-49-0x00000000056A0000-0x00000000056EE000-memory.dmp

          Filesize

          312KB

        • memory/1152-72-0x00007FFEF4C80000-0x00007FFEF5741000-memory.dmp

          Filesize

          10.8MB

        • memory/1152-15-0x0000015B65F00000-0x0000015B65F3C000-memory.dmp

          Filesize

          240KB

        • memory/1152-26-0x00007FFEF4C80000-0x00007FFEF5741000-memory.dmp

          Filesize

          10.8MB

        • memory/1152-27-0x00007FFEF4C80000-0x00007FFEF5741000-memory.dmp

          Filesize

          10.8MB

        • memory/1408-29-0x0000000001A60000-0x0000000001A6E000-memory.dmp

          Filesize

          56KB

        • memory/1408-33-0x0000000005A90000-0x0000000005AA2000-memory.dmp

          Filesize

          72KB

        • memory/1408-32-0x0000000005CA0000-0x0000000005D32000-memory.dmp

          Filesize

          584KB

        • memory/1408-31-0x0000000006250000-0x00000000067F4000-memory.dmp

          Filesize

          5.6MB

        • memory/1408-30-0x0000000005830000-0x000000000588C000-memory.dmp

          Filesize

          368KB

        • memory/1408-28-0x0000000000D00000-0x0000000000FFE000-memory.dmp

          Filesize

          3.0MB

        • memory/1480-59-0x0000000004E20000-0x0000000004E32000-memory.dmp

          Filesize

          72KB

        • memory/3124-73-0x0000000007840000-0x0000000007E58000-memory.dmp

          Filesize

          6.1MB

        • memory/3124-75-0x0000000007320000-0x000000000735C000-memory.dmp

          Filesize

          240KB

        • memory/3124-66-0x00000000067D0000-0x00000000067DA000-memory.dmp

          Filesize

          40KB

        • memory/3124-70-0x00000000071B0000-0x0000000007216000-memory.dmp

          Filesize

          408KB

        • memory/3124-80-0x0000000008320000-0x0000000008370000-memory.dmp

          Filesize

          320KB

        • memory/3124-79-0x00000000074B0000-0x00000000074BE000-memory.dmp

          Filesize

          56KB

        • memory/3124-65-0x00000000065D0000-0x00000000065E0000-memory.dmp

          Filesize

          64KB

        • memory/3124-64-0x00000000057B0000-0x00000000057C8000-memory.dmp

          Filesize

          96KB

        • memory/3124-77-0x00000000074F0000-0x00000000075FA000-memory.dmp

          Filesize

          1.0MB

        • memory/3124-76-0x0000000007360000-0x00000000073AC000-memory.dmp

          Filesize

          304KB

        • memory/3124-74-0x00000000072C0000-0x00000000072D2000-memory.dmp

          Filesize

          72KB

        • memory/3124-78-0x0000000007E60000-0x0000000008022000-memory.dmp

          Filesize

          1.8MB

        • memory/4208-1-0x0000000000310000-0x0000000000658000-memory.dmp

          Filesize

          3.3MB

        • memory/4208-0-0x00007FFEF4C83000-0x00007FFEF4C85000-memory.dmp

          Filesize

          8KB