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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2024, 14:48

General

  • Target

    c0f6b36861c061d89bf1e32e97d9f2bb_JaffaCakes118.exe

  • Size

    500KB

  • MD5

    c0f6b36861c061d89bf1e32e97d9f2bb

  • SHA1

    168546563ee9bc7b4cd229fef4664359ba850b0c

  • SHA256

    1639b68d546fa42f38a4d96769625eb62d980b09791c107e281edff396d3ffae

  • SHA512

    dc8118f489f36b0a7f5118ca906ee0fa87ff48cc9dea07bfb585995056410b828fac60235922f794e322495fe95114aa042aa6a9ec2076a4b014171af2e699ab

  • SSDEEP

    6144:45D4W9xOtO8XMLOjycd+0zmG4lPoFo6P3+zAoIM0eoYuP9BfnGqQpJMJCDxuRdd8:45Dp3x8XPjyYaIhf/0WCDxui/7

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0f6b36861c061d89bf1e32e97d9f2bb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c0f6b36861c061d89bf1e32e97d9f2bb_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:824
    • C:\Users\Admin\AppData\Local\Temp\n5709\s5709.exe
      "C:\Users\Admin\AppData\Local\Temp\n5709\s5709.exe" ins.exe /u 5322f3a6-9278-4c40-b745-09080a000013 /e 12637991 /h cef39.api.socdn.com /v "C:\Users\Admin\AppData\Local\Temp\c0f6b36861c061d89bf1e32e97d9f2bb_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 4448
      2⤵
      • Program crash
      PID:3016
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 824 -ip 824
    1⤵
      PID:1536

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n5709\s5709.exe

      Filesize

      286KB

      MD5

      3e3ab97a3be5f358ef2410034ca1d11e

      SHA1

      132b2d344871a59eea8cd45dcb289f880754de0a

      SHA256

      9343341db998236ead9f7bc0847747fb92cc90cc4709e7b6ff4c2ff6809dd1bb

      SHA512

      31cae25593341fe970dce4532449af639fb4b05a91591c1a22a8be52e2d9937439ef2a73e87cc49e636d24d3c5986a5d1954e9736046da4adbb7ac9857d9e48d

    • memory/4020-11-0x00007FFA49C85000-0x00007FFA49C86000-memory.dmp

      Filesize

      4KB

    • memory/4020-12-0x00007FFA499D0000-0x00007FFA4A371000-memory.dmp

      Filesize

      9.6MB

    • memory/4020-13-0x00007FFA499D0000-0x00007FFA4A371000-memory.dmp

      Filesize

      9.6MB

    • memory/4020-34-0x000000001BF80000-0x000000001BF8A000-memory.dmp

      Filesize

      40KB

    • memory/4020-37-0x000000001C9D0000-0x000000001CE9E000-memory.dmp

      Filesize

      4.8MB

    • memory/4020-38-0x000000001CF40000-0x000000001CFDC000-memory.dmp

      Filesize

      624KB

    • memory/4020-39-0x000000001BF90000-0x000000001BF98000-memory.dmp

      Filesize

      32KB

    • memory/4020-40-0x00007FFA499D0000-0x00007FFA4A371000-memory.dmp

      Filesize

      9.6MB

    • memory/4020-41-0x00007FFA499D0000-0x00007FFA4A371000-memory.dmp

      Filesize

      9.6MB

    • memory/4020-42-0x00007FFA49C85000-0x00007FFA49C86000-memory.dmp

      Filesize

      4KB

    • memory/4020-43-0x00007FFA499D0000-0x00007FFA4A371000-memory.dmp

      Filesize

      9.6MB

    • memory/4020-44-0x00007FFA499D0000-0x00007FFA4A371000-memory.dmp

      Filesize

      9.6MB

    • memory/4020-45-0x00000000203B0000-0x0000000020412000-memory.dmp

      Filesize

      392KB

    • memory/4020-46-0x000000001DEE0000-0x000000001E01C000-memory.dmp

      Filesize

      1.2MB

    • memory/4020-47-0x0000000020D20000-0x000000002122E000-memory.dmp

      Filesize

      5.1MB

    • memory/4020-48-0x00007FFA499D0000-0x00007FFA4A371000-memory.dmp

      Filesize

      9.6MB

    • memory/4020-49-0x00007FFA499D0000-0x00007FFA4A371000-memory.dmp

      Filesize

      9.6MB

    • memory/4020-50-0x00007FFA499D0000-0x00007FFA4A371000-memory.dmp

      Filesize

      9.6MB

    • memory/4020-51-0x00007FFA499D0000-0x00007FFA4A371000-memory.dmp

      Filesize

      9.6MB

    • memory/4020-53-0x00007FFA499D0000-0x00007FFA4A371000-memory.dmp

      Filesize

      9.6MB