Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    23-08-2024 20:03

General

  • Target

    bcf87728149c89354866ad57b6756691_JaffaCakes118.exe

  • Size

    311KB

  • MD5

    bcf87728149c89354866ad57b6756691

  • SHA1

    7ac7d3a96beb32edb9abbeb0c16daaa68c1e8235

  • SHA256

    1aab1f22daab30f5bcab69884c88ea1842711117533a311de972233dfd9df8f4

  • SHA512

    6d263651324ffc4cf8270af7bb046beb4fcc431d5b8b4a998ef45bdc40a58883a8ac05efecb02702a4c5fd6bcb4084f466152d1283028ce4b3b58dbb5ab0e370

  • SSDEEP

    6144:THvzjbbHLCL7pBLfCartChwkmBjH+7hvwTR3Z+3VW6qkFtnJr7JOU9r:TbjbbqJCarAVmBQhId3GVTFxZVT9r

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 9 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\bcf87728149c89354866ad57b6756691_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bcf87728149c89354866ad57b6756691_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\ProgramData\nNfOiNk01813\nNfOiNk01813.exe
      "C:\ProgramData\nNfOiNk01813\nNfOiNk01813.exe" "C:\Users\Admin\AppData\Local\Temp\bcf87728149c89354866ad57b6756691_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:1764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \ProgramData\nNfOiNk01813\nNfOiNk01813.exe

    Filesize

    311KB

    MD5

    59b5268a4e9e2a7aee512239d50d118c

    SHA1

    62819220fd8874f668ce8f2516ad26d6e25dab69

    SHA256

    e745e7fbaf16695527bdf3b889721d9ef84bacf6b8c9e113c54d8b6d7bf06522

    SHA512

    7ac94d9bc8305407ce2199ddbf94d6ba3d5dc884a7b53ce9a6d6afc90f53aad8b8f5829832be01ce1c4ef3f688412177263758712706bbb03f77f067d09a17ac

  • memory/1764-46-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/1764-30-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/1764-24-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/1764-19-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/3032-1-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/3032-6-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/3032-5-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/3032-0-0x0000000000403000-0x0000000000404000-memory.dmp

    Filesize

    4KB

  • memory/3032-27-0x0000000000403000-0x0000000000404000-memory.dmp

    Filesize

    4KB

  • memory/3032-28-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/3032-3-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/3032-4-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/3032-61-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB