Analysis

  • max time kernel
    142s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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
  • Deletes itself 1 IoCs
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe
    "C:\Users\Admin\AppData\Local\Temp\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1924
    • 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:1704
    • 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:2692
    • 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⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2572
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -t 0
        3⤵
        • Runs ping.exe
        PID:2636
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {31579939-7B68-410E-8D52-D31AF114E430} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
      C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2908
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:1868
        • 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
          3⤵
          • Creates scheduled task(s)
          PID:2744
      • C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
        C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3012
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
            PID:560
          • 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
            3⤵
            • Creates scheduled task(s)
            PID:2804

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        2.6MB

        MD5

        8afceb4ebed2eb7746d2abdbb25c48a7

        SHA1

        e4a038943074c85a7abc38f859c574aa491edaf4

        SHA256

        86f12f0ab95f023757640b57d29ac34bbfe299c3f1e7d27278592e6c9568d68a

        SHA512

        cef169aebe7e96ebbf84f40c90b8be0dcc15f5f2c91379bed5b81d556cd98a67f55716a3b2a8d22bb46376be67b357ef962f2dc00882cb9c99717efbfb810430

      • memory/560-50-0x0000000074370000-0x0000000074A5E000-memory.dmp

        Filesize

        6.9MB

      • memory/560-49-0x0000000004A60000-0x0000000004AA0000-memory.dmp

        Filesize

        256KB

      • memory/560-48-0x0000000074370000-0x0000000074A5E000-memory.dmp

        Filesize

        6.9MB

      • memory/1704-18-0x0000000000C70000-0x0000000000C78000-memory.dmp

        Filesize

        32KB

      • memory/1704-21-0x0000000074370000-0x0000000074A5E000-memory.dmp

        Filesize

        6.9MB

      • memory/1704-10-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/1704-13-0x0000000000A80000-0x0000000000A8E000-memory.dmp

        Filesize

        56KB

      • memory/1704-15-0x0000000000B30000-0x0000000000B70000-memory.dmp

        Filesize

        256KB

      • memory/1704-14-0x0000000074370000-0x0000000074A5E000-memory.dmp

        Filesize

        6.9MB

      • memory/1704-16-0x0000000000AD0000-0x0000000000B2C000-memory.dmp

        Filesize

        368KB

      • memory/1704-17-0x0000000000C50000-0x0000000000C62000-memory.dmp

        Filesize

        72KB

      • memory/1704-2-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/1704-19-0x0000000000C80000-0x0000000000C98000-memory.dmp

        Filesize

        96KB

      • memory/1704-20-0x0000000004220000-0x0000000004230000-memory.dmp

        Filesize

        64KB

      • memory/1704-9-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/1704-22-0x0000000000B30000-0x0000000000B70000-memory.dmp

        Filesize

        256KB

      • memory/1704-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/1704-3-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/1868-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/1868-35-0x0000000074370000-0x0000000074A5E000-memory.dmp

        Filesize

        6.9MB

      • memory/1868-36-0x0000000074370000-0x0000000074A5E000-memory.dmp

        Filesize

        6.9MB

      • memory/1924-0-0x0000000001390000-0x000000000163A000-memory.dmp

        Filesize

        2.7MB

      • memory/1924-1-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

        Filesize

        4KB

      • memory/2908-25-0x0000000001190000-0x000000000143A000-memory.dmp

        Filesize

        2.7MB

      • memory/3012-38-0x0000000001190000-0x000000000143A000-memory.dmp

        Filesize

        2.7MB