Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    15-09-2024 04:50

General

  • Target

    e1bc4df908c392463861a686e5db019c_JaffaCakes118.exe

  • Size

    4.9MB

  • MD5

    e1bc4df908c392463861a686e5db019c

  • SHA1

    a351be6e655a6c85ce78e88f8572175359781a38

  • SHA256

    bdb3f4c8b20a6dee771612bd555a1e7aeaf824cb3befb7dd73c7d423789088e6

  • SHA512

    21a7895ee8d7a70ac70bc58d53808d3b51299ebca58bb8d6450c20362a869d9b521d31e1108469ddb38c06e7de890f056d1264c02ccf5c786440257de502d657

  • SSDEEP

    98304:+ytLuESrJkyTl9KMkEfj9gMWRW1xpF27ZOidJf9a52DLsz8RG3slJu+NEO0:+zrJR9/JgtWjpF2VtdJ852BceTNv0

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\e1bc4df908c392463861a686e5db019c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e1bc4df908c392463861a686e5db019c_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:2200
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /delete /TN startt /f
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2756
    • 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:2808
    • C:\Windows\SysWOW64\sc.exe
      sc delete GbpSv
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2636
    • 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:2804
    • 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:2884
    • 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:2532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2200-1-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2200-3-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2200-7-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2200-9-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2200-8-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2200-0-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2200-6-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2200-5-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2200-4-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2200-2-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2200-10-0x00000000750F1000-0x00000000750F2000-memory.dmp

    Filesize

    4KB

  • memory/2200-11-0x00000000750F0000-0x00000000750FA000-memory.dmp

    Filesize

    40KB

  • memory/2200-12-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2200-14-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2200-15-0x00000000750F0000-0x00000000750FA000-memory.dmp

    Filesize

    40KB

  • memory/2200-16-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2200-17-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2200-18-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2200-19-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2200-20-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2200-21-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2200-22-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2200-23-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2200-24-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2200-25-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2200-26-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2200-27-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2200-28-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB

  • memory/2200-29-0x0000000000400000-0x000000000215B000-memory.dmp

    Filesize

    29.4MB