Analysis

  • max time kernel
    138s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 08:29

General

  • Target

    291d6827023eb539140aaa47e1a738b5_JaffaCakes118.exe

  • Size

    170KB

  • MD5

    291d6827023eb539140aaa47e1a738b5

  • SHA1

    46430909d37c4e0b61ca5cf27561fc35bf1972a8

  • SHA256

    2ef159951ee7bc03135a9e6a14d5d7e87734475aacfe237d1094aa0728333940

  • SHA512

    679207fe3f5114019edb3b0f306e33afd1e99b7a7fa168a5713b1b8160a35360a5e7a8d4adbf0d5767fd317a90f319944e63a2c99ce80812c1c9bd77d072daea

  • SSDEEP

    3072:+5ERKdsNSE8jWf+FnGevgjFA+WzmLpJhJ4RpS:+wB8qonGeoFA0lyp

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\291d6827023eb539140aaa47e1a738b5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\291d6827023eb539140aaa47e1a738b5_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Users\Admin\AppData\Local\Temp\ln240595203\lrunner.exe
      "C:\Users\Admin\AppData\Local\Temp\\ln240595203\lrunner.exe" --bpl="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"
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      PID:2732

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\Mail.Ru\Id

          Filesize

          38B

          MD5

          6c1b57d2fe33dea61474a20c0de29230

          SHA1

          c4267869706298886d9fe86cde5a8af9213b1814

          SHA256

          e307b18d053c3ba878cc9c66dbb94081fc346bd9633672e2b534ca8823676440

          SHA512

          7ec40c5dd9eea39dd65f57256ac1818767d202179d14869d71a3c4c4a590738a5f5beece171ea136e092535420d626741b5867f293384900d550742761d437d7

        • C:\Users\Admin\AppData\Local\Temp\ln240595203\lrunner.exe

          Filesize

          1.9MB

          MD5

          59ec4314e2a54053778d3862368d639c

          SHA1

          a6e7e4383d2a49460f90f46d81bf31260fb71a50

          SHA256

          8dca302c817de6eab1783ed87139cbe2c0da2be2ccc077cabac12ac3237dab91

          SHA512

          48ec36e24c66df5951a35ff366aa80b70aef005119438e1a97dcc81b21e726a4f1eb7e9000026a75811e1fd7ef51255df28647b30140d136af223acf4e968834