Analysis

  • max time kernel
    17s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-10-2024 20:14

General

  • Target

    24d47d0a1bb446d0f7e412d90178c7d3_JaffaCakes118.exe

  • Size

    35KB

  • MD5

    24d47d0a1bb446d0f7e412d90178c7d3

  • SHA1

    db8a4a96bbe16f7a11f26d789c74d0855f382ed0

  • SHA256

    e1a8f0816e7036ae477843560a1790275b6bb2c1c0652057eb252517238ef1f6

  • SHA512

    c7e2db02d07d671a110233d759c286d9a67886b1e7cdfec0ff2bbbe16e5754516f65fe1e12aaf1b39c99399a670d702bc8dc6c062727a3c1e99444be9c99c61f

  • SSDEEP

    768:BGiuyMy/9pvx7+3XngoQ85OjPRUYILYPV24Z952b+s99I5:OyMI9pvxqnC82KYIEPk4Z6xU

Malware Config

Signatures

  • Disables service(s) 3 TTPs
  • Drops file in Drivers directory 3 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Launches sc.exe 2 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 19 IoCs

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

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Kills process with taskkill 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\24d47d0a1bb446d0f7e412d90178c7d3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\24d47d0a1bb446d0f7e412d90178c7d3_JaffaCakes118.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c cacls C:\Windows\system32 /e /p everyone:f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2244
      • C:\Windows\SysWOW64\cacls.exe
        cacls C:\Windows\system32 /e /p everyone:f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2736
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c cacls "C:\Users\Admin\AppData\Local\Temp\" /e /p everyone:f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2248
      • C:\Windows\SysWOW64\cacls.exe
        cacls "C:\Users\Admin\AppData\Local\Temp\" /e /p everyone:f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2756
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c sc config ekrn start= disabled
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3004
      • C:\Windows\SysWOW64\sc.exe
        sc config ekrn start= disabled
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2716
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c taskkill /im ekrn.exe /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2960
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im ekrn.exe /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2712
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c taskkill /im egui.exe /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3012
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im egui.exe /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2812
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c taskkill /im ScanFrm.exe /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3028
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im ScanFrm.exe /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2816
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Windows\system32\killkb.dll, droqp
      2⤵
      • Drops file in Drivers directory
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3044
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c sc config avp start= disabled
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:996
      • C:\Windows\SysWOW64\sc.exe
        sc config avp start= disabled
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:1248
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c taskkill /im avp.exe /f
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1116
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im avp.exe /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1648
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /all
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:1852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\killkb.dll

    Filesize

    25KB

    MD5

    590578650f9a95ae0d6a3a1a70f5be65

    SHA1

    211523f71ad395e5f35c0f7b79c672169fb65eeb

    SHA256

    11902d9eeeb456170e0a5070e66acf01a74631fe047d53ca83228d544cdeb0b4

    SHA512

    cebe7d06f06a991902ef1367ae2d0fc230da46357451eb9eb4856b02c6e24f53a27d02140742b1987c0360cf7f2d1d62ad5d591c2a73feaefa6bb30491f95b54

  • memory/2380-0-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2380-9-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2380-15-0x0000000010000000-0x0000000010010000-memory.dmp

    Filesize

    64KB