Analysis

  • max time kernel
    127s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    15-02-2025 01:13

General

  • Target

    7ebcd9ae7ca480ccf3179077c94c382cbb71d0661454f8231e620a61dd7a5a57.exe

  • Size

    3.0MB

  • MD5

    be194c314bc9a913cb5baef5095a0500

  • SHA1

    50c640e80107f26def2b39b1dcd4f45e11b1d2af

  • SHA256

    7ebcd9ae7ca480ccf3179077c94c382cbb71d0661454f8231e620a61dd7a5a57

  • SHA512

    c811ff62478d062db0a04aff530cd2bee4f5eeed29d164c320980b02a12d10c3a5720acd225531576861132f17b77cb4255ac7ba7b289c65ddea8fdf84441eb6

  • SSDEEP

    49152:ZGX87p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpKu/nRFfjI7L0qbU:ZLHTPJg8z1mKnypSbRxo9JCm

Malware Config

Extracted

Family

orcus

Botnet

Новый тег

C2

31.44.184.52:58820

Mutex

sudo_gsqag16ggly0ybgztey0v4bxucpke4i5

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • install_path

    %appdata%\bigloadexternal\tempphp.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 9 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ebcd9ae7ca480ccf3179077c94c382cbb71d0661454f8231e620a61dd7a5a57.exe
    "C:\Users\Admin\AppData\Local\Temp\7ebcd9ae7ca480ccf3179077c94c382cbb71d0661454f8231e620a61dd7a5a57.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2376
    • C:\Users\Admin\AppData\Roaming\bigloadexternal\tempphp.exe
      "C:\Users\Admin\AppData\Roaming\bigloadexternal\tempphp.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:2968
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
        3⤵
          PID:2888
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2904
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {2E886A19-7DAF-4F59-B8A7-06E90EB36916} S-1-5-21-2703099537-420551529-3771253338-1000:XECUDNCD\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2992
      • C:\Users\Admin\AppData\Roaming\bigloadexternal\tempphp.exe
        C:\Users\Admin\AppData\Roaming\bigloadexternal\tempphp.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:2760
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          PID:2088
      • C:\Users\Admin\AppData\Roaming\bigloadexternal\tempphp.exe
        C:\Users\Admin\AppData\Roaming\bigloadexternal\tempphp.exe
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2300
      • C:\Users\Admin\AppData\Roaming\bigloadexternal\tempphp.exe
        C:\Users\Admin\AppData\Roaming\bigloadexternal\tempphp.exe
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1888

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\CabC998.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Roaming\bigloadexternal\tempphp.exe

      Filesize

      3.0MB

      MD5

      be194c314bc9a913cb5baef5095a0500

      SHA1

      50c640e80107f26def2b39b1dcd4f45e11b1d2af

      SHA256

      7ebcd9ae7ca480ccf3179077c94c382cbb71d0661454f8231e620a61dd7a5a57

      SHA512

      c811ff62478d062db0a04aff530cd2bee4f5eeed29d164c320980b02a12d10c3a5720acd225531576861132f17b77cb4255ac7ba7b289c65ddea8fdf84441eb6

    • C:\Users\Admin\AppData\Roaming\bigloadexternal\tempphp.exe.config

      Filesize

      357B

      MD5

      a2b76cea3a59fa9af5ea21ff68139c98

      SHA1

      35d76475e6a54c168f536e30206578babff58274

      SHA256

      f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

      SHA512

      b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

    • memory/2300-69-0x0000000001210000-0x000000000150E000-memory.dmp

      Filesize

      3.0MB

    • memory/2376-1-0x0000000001260000-0x000000000155E000-memory.dmp

      Filesize

      3.0MB

    • memory/2376-2-0x00000000002B0000-0x00000000002BE000-memory.dmp

      Filesize

      56KB

    • memory/2376-3-0x0000000074350000-0x0000000074A3E000-memory.dmp

      Filesize

      6.9MB

    • memory/2376-4-0x0000000000C60000-0x0000000000CBC000-memory.dmp

      Filesize

      368KB

    • memory/2376-5-0x00000000004D0000-0x00000000004E2000-memory.dmp

      Filesize

      72KB

    • memory/2376-16-0x0000000074350000-0x0000000074A3E000-memory.dmp

      Filesize

      6.9MB

    • memory/2376-0-0x000000007435E000-0x000000007435F000-memory.dmp

      Filesize

      4KB

    • memory/2904-33-0x0000000000400000-0x00000000006FE000-memory.dmp

      Filesize

      3.0MB

    • memory/2904-49-0x0000000000F00000-0x0000000000F10000-memory.dmp

      Filesize

      64KB

    • memory/2904-67-0x00000000055D0000-0x00000000055D2000-memory.dmp

      Filesize

      8KB

    • memory/2904-66-0x00000000054E0000-0x00000000054EE000-memory.dmp

      Filesize

      56KB

    • memory/2904-32-0x0000000000400000-0x00000000006FE000-memory.dmp

      Filesize

      3.0MB

    • memory/2904-48-0x0000000000EC0000-0x0000000000ED8000-memory.dmp

      Filesize

      96KB

    • memory/2904-31-0x0000000000400000-0x00000000006FE000-memory.dmp

      Filesize

      3.0MB

    • memory/2904-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2904-28-0x0000000000400000-0x00000000006FE000-memory.dmp

      Filesize

      3.0MB

    • memory/2904-26-0x0000000000400000-0x00000000006FE000-memory.dmp

      Filesize

      3.0MB

    • memory/2904-24-0x0000000000400000-0x00000000006FE000-memory.dmp

      Filesize

      3.0MB

    • memory/2904-22-0x0000000000400000-0x00000000006FE000-memory.dmp

      Filesize

      3.0MB

    • memory/2968-34-0x0000000074350000-0x0000000074A3E000-memory.dmp

      Filesize

      6.9MB

    • memory/2968-20-0x0000000004330000-0x0000000004342000-memory.dmp

      Filesize

      72KB

    • memory/2968-18-0x00000000008D0000-0x0000000000BCE000-memory.dmp

      Filesize

      3.0MB

    • memory/2968-19-0x0000000074350000-0x0000000074A3E000-memory.dmp

      Filesize

      6.9MB

    • memory/2968-21-0x0000000004990000-0x00000000049DE000-memory.dmp

      Filesize

      312KB

    • memory/2968-17-0x0000000074350000-0x0000000074A3E000-memory.dmp

      Filesize

      6.9MB