Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 02:15

General

  • Target

    eee2282277e64485627c058793aa65e0_JaffaCakes118.exe

  • Size

    1009KB

  • MD5

    eee2282277e64485627c058793aa65e0

  • SHA1

    ed5ae121bf074decf9b7a95214e67874733a5cf2

  • SHA256

    79e31aa291777d936bdbd198ebf53f3b7d230972fcf95f92908872aca6bf888c

  • SHA512

    b5ea27c4b0e14687065c94b72fa3c177fe161a92c15aad7db48a466ea34745fbfd15d7305f022ef322f41169b81df621253ace5d0720d11eb8ccc688a251767b

  • SSDEEP

    24576:74bcdQ5WxQtrU7yHt08EAmAKywxqmJiJW3M1T+:7fdC9WmLF/mcwM1

Malware Config

Extracted

Family

orcus

C2

18.221.17.220:1604

Mutex

1141a9276f324b1f8a2d4f8f2fec0ac5

Attributes
  • autostart_method

    Registry

  • enable_keylogger

    false

  • install_path

    %temp%\drivers\ac2ftsdgj8m5ms5.exe

  • reconnect_delay

    10000

  • registry_keyname

    steam

  • taskscheduler_taskname

    steam

  • watchdog_path

    AppData\OrcusWatchdog.exe

Signatures

  • Orcus

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

  • Orcus main payload 1 IoCs
  • Orcurs Rat Executable 7 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

  • 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.

  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eee2282277e64485627c058793aa65e0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eee2282277e64485627c058793aa65e0_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:800
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/eee2282277e64485627c058793aa65e0_JaffaCakes118.exe" "%appdata%\Microsoft\MsDrvOp.exe" /Y
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3012
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%appdata%\Microsoft\MsDrvOp.exe.lnk" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2636
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\MsDrvOp.exe.lnk" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2776
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %appdata%\Microsoft\MsDrvOp.exe:Zone.Identifier
      2⤵
      • Subvert Trust Controls: Mark-of-the-Web Bypass
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      PID:2800
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ren "%appdata%\Microsoft\MsDrvOp.exe.jpg" MsDrvOp.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2616
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • Executes dropped EXE
      PID:2696
    • C:\Users\Admin\AppData\Local\Temp\eee2282277e64485627c058793aa65e0_JaffaCakes118.exe
      "C:/Users/Admin/AppData/Local/Temp/eee2282277e64485627c058793aa65e0_JaffaCakes118.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2104

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\MsDrvOp.exe

    Filesize

    1009KB

    MD5

    eee2282277e64485627c058793aa65e0

    SHA1

    ed5ae121bf074decf9b7a95214e67874733a5cf2

    SHA256

    79e31aa291777d936bdbd198ebf53f3b7d230972fcf95f92908872aca6bf888c

    SHA512

    b5ea27c4b0e14687065c94b72fa3c177fe161a92c15aad7db48a466ea34745fbfd15d7305f022ef322f41169b81df621253ace5d0720d11eb8ccc688a251767b

  • \Users\Admin\AppData\Local\Temp\tmp.exe

    Filesize

    902KB

    MD5

    4f569bfdf48c4193795be0c012a66d9b

    SHA1

    9df29ae3f4c0666303204ae3d2b36b21ff483bb9

    SHA256

    8c46765193808e7655ea8d2a578da25b8a064dbd5eb1a42911bd26c4d82df333

    SHA512

    cb1c2c6539951d66d66448c64763d4efd9127bf9a593a93179ac7ff86a8100ec2380ae947cc87f22afef78489648ba8f7a8e1664b255f182efcda138c05b602f

  • memory/800-0-0x000000007473E000-0x000000007473F000-memory.dmp

    Filesize

    4KB

  • memory/800-1-0x0000000000B20000-0x0000000000C22000-memory.dmp

    Filesize

    1.0MB

  • memory/800-2-0x0000000074730000-0x0000000074E1E000-memory.dmp

    Filesize

    6.9MB

  • memory/800-3-0x0000000004440000-0x0000000004526000-memory.dmp

    Filesize

    920KB

  • memory/800-42-0x0000000074730000-0x0000000074E1E000-memory.dmp

    Filesize

    6.9MB

  • memory/800-41-0x0000000074730000-0x0000000074E1E000-memory.dmp

    Filesize

    6.9MB

  • memory/800-40-0x000000007473E000-0x000000007473F000-memory.dmp

    Filesize

    4KB

  • memory/2104-27-0x0000000000070000-0x0000000000158000-memory.dmp

    Filesize

    928KB

  • memory/2104-36-0x00000000020A0000-0x00000000020FC000-memory.dmp

    Filesize

    368KB

  • memory/2104-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2104-24-0x0000000000070000-0x0000000000158000-memory.dmp

    Filesize

    928KB

  • memory/2104-22-0x0000000000070000-0x0000000000158000-memory.dmp

    Filesize

    928KB

  • memory/2104-20-0x0000000000070000-0x0000000000158000-memory.dmp

    Filesize

    928KB

  • memory/2104-35-0x0000000000470000-0x000000000047E000-memory.dmp

    Filesize

    56KB

  • memory/2104-34-0x0000000000070000-0x0000000000158000-memory.dmp

    Filesize

    928KB

  • memory/2104-37-0x0000000000600000-0x0000000000612000-memory.dmp

    Filesize

    72KB

  • memory/2104-38-0x0000000000840000-0x0000000000858000-memory.dmp

    Filesize

    96KB

  • memory/2104-39-0x0000000000B00000-0x0000000000B10000-memory.dmp

    Filesize

    64KB

  • memory/2104-31-0x0000000000070000-0x0000000000158000-memory.dmp

    Filesize

    928KB

  • memory/2104-18-0x0000000000070000-0x0000000000158000-memory.dmp

    Filesize

    928KB

  • memory/2696-17-0x0000000000200000-0x00000000002E8000-memory.dmp

    Filesize

    928KB