Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 00:37

General

  • Target

    71e8a3671c61dc40bb52627ad985e6e1_JaffaCakes118.exe

  • Size

    388KB

  • MD5

    71e8a3671c61dc40bb52627ad985e6e1

  • SHA1

    72f9165d65a52acd3cab5a66ea2ebfd16e3e89bd

  • SHA256

    fc3a963a49c13fb0daf588e8aef940e61c174c8db653020dc1279d6e39960165

  • SHA512

    acfd18f488e5c7e7ed728641873985780661a6c9b005935da33ebfee2e3004cd22cd467a3f03b97e4ee35024dc9f37661e3f3a72491e089056daeed967df733d

  • SSDEEP

    6144:W5d8V2rj/aJSvpRwC1eMof9JG/mI/TAmRPKJW/TiLNj:W5/r7eSRRQ9imI/TAmRPHO

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71e8a3671c61dc40bb52627ad985e6e1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\71e8a3671c61dc40bb52627ad985e6e1_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 688
      2⤵
      • Program crash
      PID:3924
    • C:\ProgramData\mC01836MaBfI01836\mC01836MaBfI01836.exe
      "C:\ProgramData\mC01836MaBfI01836\mC01836MaBfI01836.exe" "C:\Users\Admin\AppData\Local\Temp\71e8a3671c61dc40bb52627ad985e6e1_JaffaCakes118.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2336
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2336 -s 668
        3⤵
        • Program crash
        PID:4320
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1096 -ip 1096
    1⤵
      PID:3940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2336 -ip 2336
      1⤵
        PID:1408

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\mC01836MaBfI01836\mC01836MaBfI01836

        Filesize

        192B

        MD5

        eafdd2af066554eb28e3494a201c06fd

        SHA1

        1910c84156c98118420c3ed40012c4f0cf97a279

        SHA256

        2577ef4d130d286fa9534548a3288384ff68a2b872611c58fdcb28dcb777f5c0

        SHA512

        c1ebab7b3c52eccb97f0fef0b5d67f0ce5289c793daa76cc3a861c39d1acc92e9ca8bfa2d5b63753d34ed503a00800602b35029b9a0f87d5ab78ec1eec2c12d6

      • C:\ProgramData\mC01836MaBfI01836\mC01836MaBfI01836.exe

        Filesize

        388KB

        MD5

        000070f6849544c3414b3fd8a85789ff

        SHA1

        ffec6bc552f5f66f6698edbb69e7d07a9e280ced

        SHA256

        430a82185681d0538e1aa4f106e0556b387a47ed4ebe58641ebc3680ecb7753e

        SHA512

        cda18f77a9aa852293adf6b2490899b447a04355e7ffe533c8dc42bfbda1ae551b14724a330554c606dc115917a37b9b0c34cb26084656baccc1702280c2cbff

      • C:\Users\Admin\AppData\Local\Temp\71e8a3671c61dc40bb52627ad985e6e1_JaffaCakes118

        Filesize

        192B

        MD5

        bebf7e9f59bb0da118ba920f3afedc27

        SHA1

        6591a34c00b954ceb9406253350c1909daf95772

        SHA256

        a9c9c967e42b8dfbc770f8954dc77b440652ea244ed652d1ea9b951122a74ae6

        SHA512

        bff04311fa241d3ada18101a3d7be163f2d4c20adcf14ab421e0208b5782d874767d1c6c9fb04985995f3d3a4b2f0d3206c5c3094e0145788ef97f34d3fdf55b

      • memory/1096-0-0x0000000002320000-0x0000000002322000-memory.dmp

        Filesize

        8KB

      • memory/1096-6-0x0000000000400000-0x00000000004C0000-memory.dmp

        Filesize

        768KB

      • memory/1096-14-0x0000000000400000-0x00000000004C0000-memory.dmp

        Filesize

        768KB

      • memory/2336-15-0x0000000000400000-0x00000000004C0000-memory.dmp

        Filesize

        768KB

      • memory/2336-21-0x0000000000400000-0x00000000004C0000-memory.dmp

        Filesize

        768KB

      • memory/2336-24-0x0000000000400000-0x00000000004C0000-memory.dmp

        Filesize

        768KB

      • memory/2336-31-0x0000000000400000-0x00000000004C0000-memory.dmp

        Filesize

        768KB