Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/04/2024, 18:23

General

  • Target
    e5915e3bb70da0213631b3a6e1d0a215_JaffaCakes118.exe
  • Size 2.9MB
  • Sample240407-w1e44sbc33
  • SHA256 c248e72002d56fb7e23c96f86f2a70a2e746f8f5a76962e7bf7b3728b69f82d8
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • 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.

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5915e3bb70da0213631b3a6e1d0a215_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e5915e3bb70da0213631b3a6e1d0a215_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4088
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del _v_*
      2⤵
        PID:4196
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del /windows/../../../../../../../../../_v_*
        2⤵
          PID:2196
        • \??\c:\_v_24655.exe
          c:/_v_24655.exe
          2⤵
          • Executes dropped EXE
          PID:3064

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            office2016setup.exe_Rules.xml

            • Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\office2016setup.exe_Rules.xml
            • Size 3.0MB
            • SHA256 e3dfef7946c662378da1eb28d1abd43c62f108c1ab189757f4c07da865bdc639
            • MD5 SHA1 SHA512 SSDEEP

            _v_24655.exe

            • Path \??\c:\_v_24655.exe
            • Size 2.5MB
            • SHA256 609819faf9f7ae9f83f3df74d8efeb4bdab3684a65e557c5ab2dd4ec307d51de
            • MD5 SHA1 SHA512 SSDEEP

            memory/3064-4-0x0000000002360000-0x0000000002361000-memory.dmp

            memory/3064-5-0x0000000004BD0000-0x0000000004BD1000-memory.dmp

            memory/3064-25-0x0000000000400000-0x00000000005D5000-memory.dmp

            memory/3064-28-0x0000000002360000-0x0000000002361000-memory.dmp

            memory/3064-29-0x0000000004BD0000-0x0000000004BD1000-memory.dmp

            memory/4088-24-0x0000000000400000-0x0000000000471000-memory.dmp