Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-09-2024 10:20

General

  • Target

    e2406d8e7e31d6d4bfdd487c66bae523_JaffaCakes118.exe

  • Size

    4.9MB

  • MD5

    e2406d8e7e31d6d4bfdd487c66bae523

  • SHA1

    46f50f1563c55a4052c43f65bc8b68c73be7c66e

  • SHA256

    0fa6847e856a15549a8224540601338997e0ff98f26c6391fbd081a9459c4571

  • SHA512

    e9527f5ae5d88ecba525f0b147978f13fc5f5928db3e6aebc9e5021e4eb6599c6e29c7fbc2192dce31b84084bc6d8b75316671e607c207665939ec6ed392196c

  • SSDEEP

    98304:fCtLXgoSrJkyTl9KMkEfj9gMWRW1xpF27ZOidJf9a52DLsz8RG3slJu+NEOe:fYWrJR9/JgtWjpF2VtdJ852BceTNve

Malware Config

Signatures

  • Stops running service(s) 4 TTPs
  • Uses Session Manager for persistence 2 TTPs 3 IoCs

    Creates Session Manager registry key to run executable early in system boot.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • 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.

  • 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: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e2406d8e7e31d6d4bfdd487c66bae523_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e2406d8e7e31d6d4bfdd487c66bae523_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2404
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /delete /TN startt /f
      2⤵
      • System Location Discovery: System Language Discovery
      PID:320
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn startt /tr c:\sys.bat /sc onstart /ru system
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2788
    • C:\Windows\SysWOW64\sc.exe
      sc delete GbpSv
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2328
    • C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\SYSTEM\ControlSet001\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
      2⤵
      • Uses Session Manager for persistence
      • System Location Discovery: System Language Discovery
      PID:1496
    • C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\SYSTEM\ControlSet002\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
      2⤵
      • Uses Session Manager for persistence
      • System Location Discovery: System Language Discovery
      PID:2700
    • C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
      2⤵
      • Uses Session Manager for persistence
      • System Location Discovery: System Language Discovery
      PID:2856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2404-2-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2404-7-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2404-6-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2404-5-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2404-4-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2404-3-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2404-1-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2404-0-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2404-9-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2404-8-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2404-11-0x0000000076A80000-0x0000000076A8A000-memory.dmp

    Filesize

    40KB

  • memory/2404-10-0x0000000076A81000-0x0000000076A82000-memory.dmp

    Filesize

    4KB

  • memory/2404-12-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2404-14-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2404-15-0x0000000076A80000-0x0000000076A8A000-memory.dmp

    Filesize

    40KB

  • memory/2404-16-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2404-17-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2404-18-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2404-19-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2404-20-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2404-21-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2404-22-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2404-23-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2404-24-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2404-25-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2404-26-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2404-27-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2404-28-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB