Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/04/2025, 10:49

General

  • Target

    JaffaCakes118_c26d157025cf8dd19ed5057c614a3abc.exe

  • Size

    316KB

  • MD5

    c26d157025cf8dd19ed5057c614a3abc

  • SHA1

    c928523c15fe6e9d3a9de30ef88e7eff040837aa

  • SHA256

    a9c58f8b6db9af7b8c797c885c206a05d29dabefedf3d1fbab744d34f0136b69

  • SHA512

    6766d2bb8b4e6aa12eb45f295911d81eb9f1634a9949281b7cfbc905bf61791ea2b47c1fc6449d1996d41d69554841a85e829228ef85a09ba876e200d3a857f9

  • SSDEEP

    6144:RP0AmFE3rXlFuwvmuayPEMPPx7AduK5JJcvHGiUHnXlY+8YVUA4fp7:x0BFQlFuwyMPJ7WBJJcv9ia+BVyJ

Malware Config

Extracted

Family

simda

Attributes
  • dga

    cihunemyror.eu

    digivehusyd.eu

    vofozymufok.eu

    fodakyhijyv.eu

    nopegymozow.eu

    gatedyhavyd.eu

    marytymenok.eu

    jewuqyjywyv.eu

    qeqinuqypoq.eu

    kemocujufys.eu

    rynazuqihoj.eu

    lyvejujolec.eu

    tucyguqaciq.eu

    xuxusujenes.eu

    puzutuqeqij.eu

    ciliqikytec.eu

    dikoniwudim.eu

    vojacikigep.eu

    fogeliwokih.eu

    nofyjikoxex.eu

    gadufiwabim.eu

    masisokemep.eu

    jepororyrih.eu

    qetoqolusex.eu

    keraborigin.eu

    ryqecolijet.eu

    lymylorozig.eu

    tunujolavez.eu

    xubifaremin.eu

    puvopalywet.eu

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Simda family
  • simda

    Simda is an infostealer written in C++.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in System32 directory 1 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c26d157025cf8dd19ed5057c614a3abc.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c26d157025cf8dd19ed5057c614a3abc.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • Modifies WinLogon
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:5712
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3792
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c26d157025cf8dd19ed5057c614a3abc.exe
      C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE
      2⤵
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      PID:4940

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4940-55-0x0000000000400000-0x0000000000523000-memory.dmp

    Filesize

    1.1MB

  • memory/4940-120-0x0000000000400000-0x0000000000523000-memory.dmp

    Filesize

    1.1MB

  • memory/5712-78-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-75-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-4-0x0000000000400000-0x0000000000523000-memory.dmp

    Filesize

    1.1MB

  • memory/5712-5-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-7-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-10-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-11-0x0000000000800000-0x0000000000801000-memory.dmp

    Filesize

    4KB

  • memory/5712-49-0x0000000000800000-0x0000000000801000-memory.dmp

    Filesize

    4KB

  • memory/5712-79-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-72-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-62-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-56-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-2-0x00000000006B0000-0x00000000006B1000-memory.dmp

    Filesize

    4KB

  • memory/5712-84-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-83-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-82-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-81-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-80-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-0-0x000000007FDE0000-0x000000007FE49000-memory.dmp

    Filesize

    420KB

  • memory/5712-77-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-3-0x00000000023A0000-0x0000000002452000-memory.dmp

    Filesize

    712KB

  • memory/5712-74-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-76-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-73-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-71-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-70-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-69-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-68-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-67-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-66-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-65-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-64-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-63-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-61-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-60-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-59-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-58-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-57-0x0000000002A20000-0x0000000002AD8000-memory.dmp

    Filesize

    736KB

  • memory/5712-1-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB

  • memory/5712-122-0x000000007FDE0000-0x000000007FE49000-memory.dmp

    Filesize

    420KB

  • memory/5712-124-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB