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Overview

overview

10

Static

static

3

25dcf9a3b5...18.exe

windows7-x64

10

25dcf9a3b5...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04/07/2024, 18:49

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General

  • Target

    25dcf9a3b5b712335b9d82697e919897_JaffaCakes118.exe

  • Size

    26KB

  • MD5

    25dcf9a3b5b712335b9d82697e919897

  • SHA1

    3879f816235531728f8abb1e8ed6e5db1095af1e

  • SHA256

    ec90c7a2c4dad98c5cb00b55e6abca1ceb20b57e2dc8b50030750dd84af663c3

  • SHA512

    781b4fc239fca17de45fddef31ee79512b928f6e2cd3a18a7809cd2bac9908a05072cf8c9e484d186545ab42044e0f4f82c6f8703819cd4fe93447653aa4688a

  • SSDEEP

    384:UnQUwFccUGmOLKA+Vdz1TM+J+KrXSQUoRH0kYTvYwN31Mcy6uq:1ScUGmOMt17ciSPkYTvYwRzF

Score
10/10
persistence

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Drops file in Drivers directory 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25dcf9a3b5b712335b9d82697e919897_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\25dcf9a3b5b712335b9d82697e919897_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Users\Admin\AppData\Local\Temp\Doomsday\Doomsday.exe
      C:\Users\Admin\AppData\Local\Temp\Doomsday\Doomsday.exe
      2⤵
      • Modifies WinLogon for persistence
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2112
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\25DCF9~1.EXE > nul
      2⤵
      • Deletes itself
      PID:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\Doomsday\Doomsday.exe
    Filesize

    26KB

    MD5

    864614561f790830e2c668cad3c85487

    SHA1

    25ba3fd02bd47a23814f2c247a4215fc0a8a72c2

    SHA256

    f29e17b5bae43b1771df3e1f1aebf20eb8a527ed36c1f35a83b80ba4f61e6ded

    SHA512

    c4907298808a6da2d830541e1ddca93b92e0b3bd7d3d6346844612f95b2c66366eb8919d0bd3a362052f7fd7d72c8c5eb57a53abd1816c146c4091f7bd854765

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