Analysis

  • max time kernel
    131s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-06-2024 03:50

General

  • Target

    938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe

  • Size

    57KB

  • MD5

    938b38ef7f759bdccbbcae2a6740f28a

  • SHA1

    5d93c1cab222bbc49a1901e04d6af48fa0bce8c6

  • SHA256

    10886654aad09e418ee08c3383f36d7b3ddfeb0272c353a1523a25a0236ed452

  • SHA512

    3d64e1e0e090ac41aff0c45d6506a4b9c4ece3c0e41995f3651b92a036f086374ed6d3063f0ea2cb03cdd440c368482c2db58c5346d793470d4d8581d9e2a3fd

  • SSDEEP

    1536:BV2sXSAXRaaWipfv5ErqR4x0qZXPoGJco:BVTSAXjWipfv5hR4yqZw8

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2656
    • \??\c:\ptpt3qvxx9uet\Httdkgp.exe
      launch
      2⤵
      • Adds Run key to start application
      • Enumerates connected drives
      • Writes to the Master Boot Record (MBR)
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2656-7-0x0000000000330000-0x0000000000351000-memory.dmp

    Filesize

    132KB

  • memory/2656-21-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/2656-2-0x0000000010000000-0x0000000010021000-memory.dmp

    Filesize

    132KB

  • memory/2656-4-0x0000000010000000-0x0000000010021000-memory.dmp

    Filesize

    132KB

  • memory/2656-6-0x0000000010000000-0x0000000010021000-memory.dmp

    Filesize

    132KB

  • memory/2656-5-0x0000000010000000-0x0000000010021000-memory.dmp

    Filesize

    132KB

  • memory/2656-1-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2656-26-0x0000000000330000-0x0000000000351000-memory.dmp

    Filesize

    132KB

  • memory/2656-0-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/2656-24-0x0000000010000000-0x0000000010021000-memory.dmp

    Filesize

    132KB

  • memory/2908-12-0x0000000010000000-0x0000000010021000-memory.dmp

    Filesize

    132KB

  • memory/2908-19-0x0000000010000000-0x0000000010021000-memory.dmp

    Filesize

    132KB

  • memory/2908-27-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/2908-13-0x0000000010000000-0x0000000010021000-memory.dmp

    Filesize

    132KB

  • memory/2908-33-0x0000000010000000-0x0000000010021000-memory.dmp

    Filesize

    132KB