Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/04/2025, 04:55

General

  • Target

    JaffaCakes118_c7d6d9900db07113abe05692434cd90c.exe

  • Size

    257KB

  • MD5

    c7d6d9900db07113abe05692434cd90c

  • SHA1

    67349368f6e3c690dee4f77080dfe7694573cff0

  • SHA256

    4155e3d5006f95776a92466ba64ca7811cefdff4cb8b7aadecf754ea59c213a3

  • SHA512

    9cbcb4e66f810534c26c11dc8df7e3fac8a2402675bc505bd01c616ba65ff3ae6265b78c86a35b87162ef5b10617baaeb1efdc3e3ea3d0c2c1121607b4b6a44b

  • SSDEEP

    6144:EgiD9CmFlaRUdduv9sZIUlfxryHfvau9hHoyrnETB2ebz:Y9C3N2ZIUl4/njr8B2Yz

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
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • System Location Discovery: System Language Discovery 1 TTPs 2 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_c7d6d9900db07113abe05692434cd90c.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c7d6d9900db07113abe05692434cd90c.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:3348
  • 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:4240
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c7d6d9900db07113abe05692434cd90c.exe
      C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2512

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2512-59-0x0000000000400000-0x000000000054D000-memory.dmp

    Filesize

    1.3MB

  • memory/2512-124-0x0000000000400000-0x000000000054D000-memory.dmp

    Filesize

    1.3MB

  • memory/3348-67-0x0000000002640000-0x00000000026F8000-memory.dmp

    Filesize

    736KB

  • memory/3348-68-0x0000000002640000-0x00000000026F8000-memory.dmp

    Filesize

    736KB

  • memory/3348-5-0x0000000000400000-0x000000000054D000-memory.dmp

    Filesize

    1.3MB

  • memory/3348-6-0x0000000002640000-0x00000000026F8000-memory.dmp

    Filesize

    736KB

  • memory/3348-10-0x0000000002640000-0x00000000026F8000-memory.dmp

    Filesize

    736KB

  • memory/3348-8-0x0000000002640000-0x00000000026F8000-memory.dmp

    Filesize

    736KB

  • memory/3348-12-0x00000000023C0000-0x00000000023C1000-memory.dmp

    Filesize

    4KB

  • memory/3348-2-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB

  • memory/3348-0-0x0000000000400000-0x000000000054D000-memory.dmp

    Filesize

    1.3MB

  • memory/3348-4-0x00000000022F0000-0x00000000023A2000-memory.dmp

    Filesize

    712KB

  • memory/3348-66-0x0000000002640000-0x00000000026F8000-memory.dmp

    Filesize

    736KB

  • memory/3348-65-0x0000000002640000-0x00000000026F8000-memory.dmp

    Filesize

    736KB

  • memory/3348-64-0x0000000002640000-0x00000000026F8000-memory.dmp

    Filesize

    736KB

  • memory/3348-63-0x0000000002640000-0x00000000026F8000-memory.dmp

    Filesize

    736KB

  • memory/3348-62-0x0000000002640000-0x00000000026F8000-memory.dmp

    Filesize

    736KB

  • memory/3348-61-0x0000000002640000-0x00000000026F8000-memory.dmp

    Filesize

    736KB

  • memory/3348-60-0x0000000002640000-0x00000000026F8000-memory.dmp

    Filesize

    736KB

  • memory/3348-1-0x00000000007E0000-0x0000000000827000-memory.dmp

    Filesize

    284KB

  • memory/3348-126-0x00000000007E0000-0x0000000000827000-memory.dmp

    Filesize

    284KB

  • memory/3348-127-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB