Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 02:35

General

  • Target

    9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exe

  • Size

    3.0MB

  • MD5

    0d50990c94c65cd0646cb9f193e86d70

  • SHA1

    5adaa981de0a2528db967b3e6349518a010580b8

  • SHA256

    9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8

  • SHA512

    7f55b6241cdaaae05205cd12e5e59db2516d2b27b00e58fdb3929641cb344da4ce40d51ea196d53ca5181b73f3f7f3d8f827decdcf73533d86e512722d3e51d8

  • SSDEEP

    49152:O3X27p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpEu/nRFfjI7L0qb:OWHTPJg8z1mKnypSbRxo9JCm

Malware Config

Extracted

Family

orcus

Botnet

newreborn

C2

31.44.184.52:10903

Mutex

sudo_h7y6k5gabf3ov892gnvzdzpr7kydnery

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • install_path

    %appdata%\dlejavascriptgenerator\javascripteternal.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 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Suspicious use of SetThreadContext 1 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exe
    "C:\Users\Admin\AppData\Local\Temp\9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\javascripteternal.exe
      "C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\javascripteternal.exe"
      2⤵
      • 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:1788
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
        3⤵
          PID:1160
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
          3⤵
            PID:740
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
            3⤵
              PID:1892
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1388
        • C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\javascripteternal.exe
          C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\javascripteternal.exe
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:444
        • C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\javascripteternal.exe
          C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\javascripteternal.exe
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1864

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          1KB

          MD5

          663b8d5469caa4489d463aa9bc18124f

          SHA1

          e57123a7d969115853ea631a3b33826335025d28

          SHA256

          7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

          SHA512

          45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

        • C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\javascripteternal.exe

          Filesize

          3.0MB

          MD5

          0d50990c94c65cd0646cb9f193e86d70

          SHA1

          5adaa981de0a2528db967b3e6349518a010580b8

          SHA256

          9af6ba4972d78ad7099639f2cce2fd743cfdc1d24e55585541aefb6138a260e8

          SHA512

          7f55b6241cdaaae05205cd12e5e59db2516d2b27b00e58fdb3929641cb344da4ce40d51ea196d53ca5181b73f3f7f3d8f827decdcf73533d86e512722d3e51d8

        • C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\javascripteternal.exe.config

          Filesize

          357B

          MD5

          a2b76cea3a59fa9af5ea21ff68139c98

          SHA1

          35d76475e6a54c168f536e30206578babff58274

          SHA256

          f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

          SHA512

          b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

        • C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\lib_sudo_h7y6k5gabf3ov892gnvzdzpr7kydnery\DirectoryInfoEx.dll

          Filesize

          224KB

          MD5

          314955d214bb02847e7f8607a16ec550

          SHA1

          c471e2948d0cd1d4a11902a134735f00cd78c0c1

          SHA256

          82fd40348eb630313d5032910d021ebd982fdde086fbe73ba8947a6d2cb40357

          SHA512

          0ea2457db279159c1983455eee50a69305a151c012b9948950d038c101efc08a00da1f456a76a4351770684783c2e01a536ea194bb7f586865865d90d6dbb8de

        • C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\lib_sudo_h7y6k5gabf3ov892gnvzdzpr7kydnery\ICSharpCode.SharpZipLib.dll

          Filesize

          196KB

          MD5

          c8164876b6f66616d68387443621510c

          SHA1

          7a9df9c25d49690b6a3c451607d311a866b131f4

          SHA256

          40b3d590f95191f3e33e5d00e534fa40f823d9b1bb2a9afe05f139c4e0a3af8d

          SHA512

          44a6accc70c312a16d0e533d3287e380997c5e5d610dbeaa14b2dbb5567f2c41253b895c9817ecd96c85d286795bbe6ab35fd2352fddd9d191669a2fb0774bc4

        • C:\Users\Admin\AppData\Roaming\dlejavascriptgenerator\lib_sudo_h7y6k5gabf3ov892gnvzdzpr7kydnery\ShellLibrary.dll

          Filesize

          64KB

          MD5

          20aa983bd64aa1f8a37d9e61961eabec

          SHA1

          48dfd92883f6b60252ab01e57f8de75d21edf173

          SHA256

          ace8dc565164e7612ed3f964a5d16bdcdda0aac7185ba3639b3b7c6064ca1124

          SHA512

          27560fc2983cde678bc3367563c05452004db9dc2523e30ed43ecc413e1ead0eb5d77152f17bd17c58dfe48b2ff7c1c413b6b4da483a664bab3167e74dc3486d

        • memory/1388-57-0x0000000006C60000-0x0000000006C76000-memory.dmp

          Filesize

          88KB

        • memory/1388-43-0x0000000007900000-0x0000000007A0A000-memory.dmp

          Filesize

          1.0MB

        • memory/1388-50-0x0000000002E00000-0x0000000002E3E000-memory.dmp

          Filesize

          248KB

        • memory/1388-44-0x00000000082E0000-0x00000000084A2000-memory.dmp

          Filesize

          1.8MB

        • memory/1388-33-0x0000000006060000-0x0000000006078000-memory.dmp

          Filesize

          96KB

        • memory/1388-42-0x0000000007770000-0x00000000077BC000-memory.dmp

          Filesize

          304KB

        • memory/1388-41-0x0000000007730000-0x000000000776C000-memory.dmp

          Filesize

          240KB

        • memory/1388-40-0x00000000076D0000-0x00000000076E2000-memory.dmp

          Filesize

          72KB

        • memory/1388-39-0x0000000007CC0000-0x00000000082D8000-memory.dmp

          Filesize

          6.1MB

        • memory/1388-64-0x0000000006CC0000-0x0000000006CF4000-memory.dmp

          Filesize

          208KB

        • memory/1388-38-0x0000000007630000-0x0000000007696000-memory.dmp

          Filesize

          408KB

        • memory/1388-35-0x0000000006D20000-0x0000000006D2A000-memory.dmp

          Filesize

          40KB

        • memory/1388-34-0x0000000006090000-0x00000000060A0000-memory.dmp

          Filesize

          64KB

        • memory/1788-24-0x0000000074570000-0x0000000074D20000-memory.dmp

          Filesize

          7.7MB

        • memory/1788-31-0x0000000074570000-0x0000000074D20000-memory.dmp

          Filesize

          7.7MB

        • memory/1788-28-0x0000000005FA0000-0x000000000603C000-memory.dmp

          Filesize

          624KB

        • memory/1788-26-0x0000000005640000-0x000000000568E000-memory.dmp

          Filesize

          312KB

        • memory/1788-25-0x0000000074570000-0x0000000074D20000-memory.dmp

          Filesize

          7.7MB

        • memory/2204-7-0x0000000005AE0000-0x0000000005AF2000-memory.dmp

          Filesize

          72KB

        • memory/2204-2-0x00000000057F0000-0x00000000057FE000-memory.dmp

          Filesize

          56KB

        • memory/2204-6-0x0000000005CE0000-0x0000000005D72000-memory.dmp

          Filesize

          584KB

        • memory/2204-4-0x0000000005B00000-0x0000000005B5C000-memory.dmp

          Filesize

          368KB

        • memory/2204-0-0x000000007457E000-0x000000007457F000-memory.dmp

          Filesize

          4KB

        • memory/2204-5-0x00000000061F0000-0x0000000006794000-memory.dmp

          Filesize

          5.6MB

        • memory/2204-1-0x0000000000C10000-0x0000000000F0E000-memory.dmp

          Filesize

          3.0MB

        • memory/2204-3-0x0000000074570000-0x0000000074D20000-memory.dmp

          Filesize

          7.7MB

        • memory/2204-23-0x0000000074570000-0x0000000074D20000-memory.dmp

          Filesize

          7.7MB