Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 09:16

General

  • Target

    JaffaCakes118_d44096417899cb12d0fe2db404a01bb3294d309dda9e7487cbaa0699c3b457fd.exe

  • Size

    795.6MB

  • MD5

    490cef9b9ed2ff8aafa7ddd3d11d4160

  • SHA1

    8a9592214c2486df6c6074a71c01f29e2572caf1

  • SHA256

    d44096417899cb12d0fe2db404a01bb3294d309dda9e7487cbaa0699c3b457fd

  • SHA512

    8eb4b718a9affb488d8974ceab892b79642fff33d3044feb0cdb7e28e3fdc7e90538d3342a2e853974cf97c3b15a72f4c81f00691e2e2a1c01ff1b714d04a4f0

  • SSDEEP

    49152:ocyNPK4Y1UJLBfIjNC3OIFjtSuiQpVKBuW:Mi/1UDfv317KBuW

Malware Config

Extracted

Family

systembc

C2

45.81.225.72:4001

192.168.1.149:4001

Signatures

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • Systembc family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d44096417899cb12d0fe2db404a01bb3294d309dda9e7487cbaa0699c3b457fd.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d44096417899cb12d0fe2db404a01bb3294d309dda9e7487cbaa0699c3b457fd.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2788
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /create /tn COMSurrogate /f /sc onlogon /rl highest /tr "C:\Users\Admin\Makip pake racotef pewina ligiya pofol kadoquif yerotel mad reyeg hexiyino\rocini mebeyabo noxone.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1080
    • C:\Users\Admin\Makip pake racotef pewina ligiya pofol kadoquif yerotel mad reyeg hexiyino\rocini mebeyabo noxone.exe
      "C:\Users\Admin\Makip pake racotef pewina ligiya pofol kadoquif yerotel mad reyeg hexiyino\rocini mebeyabo noxone.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        3⤵
          PID:4840
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d44096417899cb12d0fe2db404a01bb3294d309dda9e7487cbaa0699c3b457fd.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:1064
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          3⤵
          • System Location Discovery: System Language Discovery
          PID:1116
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1
          3⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:4968

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2416-16-0x0000000002400000-0x0000000002D7F000-memory.dmp

      Filesize

      9.5MB

    • memory/2416-18-0x0000000002D80000-0x0000000002F19000-memory.dmp

      Filesize

      1.6MB

    • memory/2416-19-0x0000000002400000-0x0000000002D7F000-memory.dmp

      Filesize

      9.5MB

    • memory/2416-20-0x0000000002D80000-0x0000000002F19000-memory.dmp

      Filesize

      1.6MB

    • memory/2416-21-0x000000000E0E0000-0x000000000E149000-memory.dmp

      Filesize

      420KB

    • memory/2788-1-0x00000000024A0000-0x0000000002E19000-memory.dmp

      Filesize

      9.5MB

    • memory/2788-3-0x0000000002E20000-0x0000000002FBD000-memory.dmp

      Filesize

      1.6MB

    • memory/2788-4-0x00000000024A0000-0x0000000002E19000-memory.dmp

      Filesize

      9.5MB

    • memory/2788-5-0x0000000002E20000-0x0000000002FBD000-memory.dmp

      Filesize

      1.6MB

    • memory/4840-22-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/4840-24-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/4840-25-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB