Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-07-2024 05:26

General

  • Target

    b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe

  • Size

    2.6MB

  • MD5

    7da2715df53b7fab8721d2cc64ecc107

  • SHA1

    f89169299505bce3ced9f2ff9c08c834d190f880

  • SHA256

    b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e

  • SHA512

    d3d263919757db5e62be6ff604b8622c5df74810a4c6e3598515d8318140d39ce1c54166fee4e7a58ed89eeb366755348c3323ae9946a5102e7804d2e9cc7a57

  • SSDEEP

    24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxxv:Hh+ZkldoPKiYdqd6

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 2 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).

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe
    "C:\Users\Admin\AppData\Local\Temp\b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3924
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:436
    • 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⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2520
  • 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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4684
    • 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⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:228
  • 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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3480
    • 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⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5024

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

    35580074fdbbafe134f62d85e855f5cb

    SHA1

    f19da65c54500506db594118ac4851e2ff62e907

    SHA256

    b1138cc89aa848e2c00405d231de9c1ddfc0def4a16c02385deed20f61bef9fe

    SHA512

    566685e6ee5bda644e4e7791d8a335bc594e6dfb4d345049b06997bbefb1bbee4786aa46f25530928e19c01c973ae39226e65af1ab7b1a5660243b384c031e8e

  • memory/436-16-0x00000000056D0000-0x00000000056D8000-memory.dmp

    Filesize

    32KB

  • memory/436-17-0x0000000005C30000-0x0000000005C48000-memory.dmp

    Filesize

    96KB

  • memory/436-8-0x0000000003080000-0x000000000308E000-memory.dmp

    Filesize

    56KB

  • memory/436-9-0x0000000005580000-0x00000000055DC000-memory.dmp

    Filesize

    368KB

  • memory/436-10-0x0000000073A50000-0x0000000074200000-memory.dmp

    Filesize

    7.7MB

  • memory/436-13-0x0000000005EA0000-0x0000000006444000-memory.dmp

    Filesize

    5.6MB

  • memory/436-14-0x00000000056F0000-0x0000000005782000-memory.dmp

    Filesize

    584KB

  • memory/436-15-0x00000000056C0000-0x00000000056D2000-memory.dmp

    Filesize

    72KB

  • memory/436-1-0x0000000000400000-0x00000000004EA000-memory.dmp

    Filesize

    936KB

  • memory/436-7-0x0000000073A5E000-0x0000000073A5F000-memory.dmp

    Filesize

    4KB

  • memory/436-18-0x0000000006620000-0x00000000067E2000-memory.dmp

    Filesize

    1.8MB

  • memory/436-19-0x0000000005DD0000-0x0000000005DE0000-memory.dmp

    Filesize

    64KB

  • memory/436-20-0x00000000065C0000-0x00000000065CA000-memory.dmp

    Filesize

    40KB

  • memory/436-21-0x0000000073A5E000-0x0000000073A5F000-memory.dmp

    Filesize

    4KB

  • memory/436-22-0x0000000073A50000-0x0000000074200000-memory.dmp

    Filesize

    7.7MB

  • memory/2244-33-0x0000000000C10000-0x0000000000EBA000-memory.dmp

    Filesize

    2.7MB

  • memory/2884-24-0x0000000000C10000-0x0000000000EBA000-memory.dmp

    Filesize

    2.7MB

  • memory/3924-6-0x0000000000970000-0x0000000000971000-memory.dmp

    Filesize

    4KB

  • memory/3924-0-0x0000000000BE0000-0x0000000000E8A000-memory.dmp

    Filesize

    2.7MB

  • memory/4684-27-0x0000000000730000-0x000000000081A000-memory.dmp

    Filesize

    936KB