Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-04-2024 02:20

General

  • Target

    b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe

  • Size

    2.6MB

  • MD5

    0dbc59ff95744137f3f34763e8ee3d81

  • SHA1

    0b8613d8c43536689da43690347729051ec23150

  • SHA256

    b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602

  • SHA512

    542f1dcebd9204c4b4158d1471e67a39d393bddec42d7b751d9cf01a40344b532be3f5f19615f22c6f6c2db3dd6f94c042e58d620c1296cf29ba6ca68cc9c793

  • SSDEEP

    24576:SAHnh+eWsN3skA4RV1Hom2KXSmHdK3VqbE6przwKpwvEuM/SD0wugdDEl6NrL/NG:Vh+ZkldoPKiYdKr9U

Malware Config

Extracted

Family

orcus

Botnet

ligeon

C2

ligeon.ddns.net:1606

Mutex

b98fb09a59c24a81b9d17a55ccf2c036

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    true

  • install_path

    %programfiles%\Orcus\Orcus.exe

  • reconnect_delay

    10000

  • registry_keyname

    Orcus

  • taskscheduler_taskname

    Orcus

  • watchdog_path

    AppData\OrcusWatchdog.exe

Signatures

  • Orcus

    Orcus is a Remote Access Trojan that is being sold on underground forums.

  • Orcurs Rat Executable 3 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 2 IoCs
  • AutoIT Executable 4 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 3 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe
    "C:\Users\Admin\AppData\Local\Temp\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4992
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
      2⤵
      • Creates scheduled task(s)
      PID:440
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /k ping 127.0.0.1 -t 0 & del C:\Users\Admin\AppData\Local\Temp\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4436
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -t 0
        3⤵
        • Runs ping.exe
        PID:2240
  • C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
    C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:4276
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
        2⤵
        • Creates scheduled task(s)
        PID:4572
    • C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
      C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
      1⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3552
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:2928
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
          2⤵
          • Creates scheduled task(s)
          PID:60

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        1KB

        MD5

        0672db2ef13237d5cb85075ff4915942

        SHA1

        ad8b4d3eb5e40791c47d48b22e273486f25f663f

        SHA256

        0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519

        SHA512

        84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b

      • C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe

        Filesize

        2.6MB

        MD5

        8afceb4ebed2eb7746d2abdbb25c48a7

        SHA1

        e4a038943074c85a7abc38f859c574aa491edaf4

        SHA256

        86f12f0ab95f023757640b57d29ac34bbfe299c3f1e7d27278592e6c9568d68a

        SHA512

        cef169aebe7e96ebbf84f40c90b8be0dcc15f5f2c91379bed5b81d556cd98a67f55716a3b2a8d22bb46376be67b357ef962f2dc00882cb9c99717efbfb810430

      • memory/2076-24-0x0000000000D60000-0x000000000100A000-memory.dmp

        Filesize

        2.7MB

      • memory/2092-1-0x00000000027D0000-0x00000000027D1000-memory.dmp

        Filesize

        4KB

      • memory/2092-0-0x0000000000AB0000-0x0000000000D5A000-memory.dmp

        Filesize

        2.7MB

      • memory/2928-37-0x0000000000570000-0x000000000065A000-memory.dmp

        Filesize

        936KB

      • memory/2928-43-0x0000000073950000-0x0000000074100000-memory.dmp

        Filesize

        7.7MB

      • memory/2928-44-0x0000000004D90000-0x0000000004DA0000-memory.dmp

        Filesize

        64KB

      • memory/2928-45-0x0000000073950000-0x0000000074100000-memory.dmp

        Filesize

        7.7MB

      • memory/3552-36-0x0000000000D60000-0x000000000100A000-memory.dmp

        Filesize

        2.7MB

      • memory/4276-34-0x0000000073950000-0x0000000074100000-memory.dmp

        Filesize

        7.7MB

      • memory/4276-31-0x0000000073950000-0x0000000074100000-memory.dmp

        Filesize

        7.7MB

      • memory/4276-32-0x0000000004E40000-0x0000000004E50000-memory.dmp

        Filesize

        64KB

      • memory/4276-26-0x0000000000900000-0x00000000009EA000-memory.dmp

        Filesize

        936KB

      • memory/4992-13-0x0000000005CB0000-0x0000000006254000-memory.dmp

        Filesize

        5.6MB

      • memory/4992-16-0x00000000056B0000-0x00000000056B8000-memory.dmp

        Filesize

        32KB

      • memory/4992-22-0x00000000056F0000-0x0000000005700000-memory.dmp

        Filesize

        64KB

      • memory/4992-20-0x0000000006740000-0x000000000674A000-memory.dmp

        Filesize

        40KB

      • memory/4992-19-0x0000000005C80000-0x0000000005C90000-memory.dmp

        Filesize

        64KB

      • memory/4992-18-0x0000000006430000-0x00000000065F2000-memory.dmp

        Filesize

        1.8MB

      • memory/4992-17-0x00000000056D0000-0x00000000056E8000-memory.dmp

        Filesize

        96KB

      • memory/4992-21-0x0000000073950000-0x0000000074100000-memory.dmp

        Filesize

        7.7MB

      • memory/4992-15-0x00000000056A0000-0x00000000056B2000-memory.dmp

        Filesize

        72KB

      • memory/4992-14-0x00000000055C0000-0x0000000005652000-memory.dmp

        Filesize

        584KB

      • memory/4992-10-0x0000000005420000-0x000000000547C000-memory.dmp

        Filesize

        368KB

      • memory/4992-8-0x00000000056F0000-0x0000000005700000-memory.dmp

        Filesize

        64KB

      • memory/4992-9-0x0000000002E20000-0x0000000002E2E000-memory.dmp

        Filesize

        56KB

      • memory/4992-7-0x0000000073950000-0x0000000074100000-memory.dmp

        Filesize

        7.7MB

      • memory/4992-2-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB