Analysis

  • max time kernel
    150s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 05:15

General

  • Target

    eaa6e62eb9d2658f4a42c1f3aa9cac39_JaffaCakes118.exe

  • Size

    444KB

  • MD5

    eaa6e62eb9d2658f4a42c1f3aa9cac39

  • SHA1

    2a1b9d9ef3883e086eb71b06f92fc0b333cbd843

  • SHA256

    80ade822a526d5c55756a34405afa7c7d73bcc3840a734d16b8b87143f68568d

  • SHA512

    37a92c9ba293535f872f7a8966ff8fac960e225a536c3ce30ec2926da57420264d86200ee333c54532658fc984282041ec17a0fe2685e385899c637cda0cea78

  • SSDEEP

    12288:WG4/ICycu4oFU7VKRsr9jIirCPAweoHjyR5Rqq5w+HSCc:PcuP5UCFPAKmPRKQ

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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
  • 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.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eaa6e62eb9d2658f4a42c1f3aa9cac39_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eaa6e62eb9d2658f4a42c1f3aa9cac39_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\ProgramData\kB09100JaOaK09100\kB09100JaOaK09100.exe
      "C:\ProgramData\kB09100JaOaK09100\kB09100JaOaK09100.exe" "C:\Users\Admin\AppData\Local\Temp\eaa6e62eb9d2658f4a42c1f3aa9cac39_JaffaCakes118.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\kB09100JaOaK09100\kB09100JaOaK09100

    Filesize

    192B

    MD5

    93690734bf7c9207b4848a75dadb6d13

    SHA1

    2188d633f76ee162f52fc3f3b6266c2b22cd5c21

    SHA256

    d02b152178d3c802eafc071cbeb2cbd6a4b131696e1b8d8c8d72768d4301e4b4

    SHA512

    198941e2c89d837ccd679e41bb4077ef8403c4d100c780ca5b99464238f1a6a60c1407724eb828667daa0ec7a0ac951cb8cee4cc1454700f1ee444d7d23b1b17

  • \ProgramData\kB09100JaOaK09100\kB09100JaOaK09100.exe

    Filesize

    444KB

    MD5

    cf34622509f3825a0ee5d9974f2735d2

    SHA1

    78ff5444919b24ce1884898fef5a610a5686d603

    SHA256

    02d91ccaee23622b0adfebf083a172dfabe13a5541e08e41b4c2860c1dd80094

    SHA512

    abbb3587990b157cf279c8ab9bb7ba2726754320a4468cc44625ebf81301215241ac907100b7bc0f9f3521665a303ca3a363b9f509dff9c0876b00cb93583917

  • memory/2236-1-0x0000000000400000-0x00000000004BF000-memory.dmp

    Filesize

    764KB

  • memory/2236-2-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2236-19-0x0000000000400000-0x00000000004BF000-memory.dmp

    Filesize

    764KB

  • memory/2236-18-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/3040-22-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/3040-31-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/3040-41-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB