Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    19/08/2024, 14:45

General

  • Target

    ab7097964d089e14d31be680156d7abb_JaffaCakes118.exe

  • Size

    324KB

  • MD5

    ab7097964d089e14d31be680156d7abb

  • SHA1

    4d895c64144498b0a0427398b6be3d91f1edd152

  • SHA256

    29af67dcd18f256e50337aab8f1ec1b6a62b0e455aefcbb3f48e1e8531a605ac

  • SHA512

    55e7c46ac9c98458754ef9a4d797b500954560a7eaceba3a42063367a078ae0ec2ff3091a6524fbf97987cc260f3e0b7425333dee3265ebbc3f447005a60f2c6

  • SSDEEP

    6144:ZcN9GQKvPKlyfptBr6XSmNNpvtTdIKLKW/noR07K08RHw6Rm:ZcNdKnKlyx7yHF5dB/nF7HtK

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 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.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ab7097964d089e14d31be680156d7abb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ab7097964d089e14d31be680156d7abb_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Users\Admin\AppData\Local\Temp\ctxmon.exe
      C:\Users\Admin\AppData\Local\Temp\ctxmon.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:2136
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2860

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\ctxmon.exe

      Filesize

      115KB

      MD5

      b41dd2240b072ec09744353fc20b7f83

      SHA1

      33ffb4d4d4cb3e38b674d71abef6e9946b0cf9a8

      SHA256

      2b8614f538c2d60ff88db94992fd42f938e444d0074308f8a02f3e7d7e38c3d3

      SHA512

      8fcc0366f7ea38b474205a6f9e1a0e7ca41dfc16be59e5c06b72eed32b83fb1936bbe1a2b9d77231dcff06d615347e51e9d0e7ec3f8fad31f42d1b4829adedd1

    • C:\Users\Admin\AppData\Roaming\pwrwin.exe

      Filesize

      256KB

      MD5

      f947e3091e6fd5dd4ac3b27d2d059a2f

      SHA1

      d2ba2b948dacebb0b856c865c3f71b7042f623ea

      SHA256

      75fd086efc1396950367e4ac4c214552b3ab285d846b68dfaf6e59a5828859e8

      SHA512

      95a5272e2a372db4fc5d786a83730d38b434a0b870dae423f6db62093326d250983a184a38b7ca62dba77423b7cb38534eb8ce74c15a2497d8208242de21fd14

    • memory/2524-0-0x0000000001000000-0x0000000001053000-memory.dmp

      Filesize

      332KB

    • memory/2524-2-0x00000000004E0000-0x0000000000515000-memory.dmp

      Filesize

      212KB

    • memory/2524-9-0x0000000001000000-0x0000000001053000-memory.dmp

      Filesize

      332KB

    • memory/2524-11-0x00000000004E0000-0x0000000000515000-memory.dmp

      Filesize

      212KB

    • memory/2524-12-0x0000000001019000-0x000000000101B000-memory.dmp

      Filesize

      8KB

    • memory/2524-10-0x00000000004E0000-0x0000000000515000-memory.dmp

      Filesize

      212KB

    • memory/2524-14-0x00000000004E0000-0x0000000000515000-memory.dmp

      Filesize

      212KB

    • memory/2524-15-0x00000000004E0000-0x0000000000515000-memory.dmp

      Filesize

      212KB