Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 16:55

General

  • Target
    tmp_zwnmxl7.exe
  • Size 273KB
  • Sample260522-vfl69aaz4n
  • SHA256 f86a8b33b8c28d76e63812e2cbdecda6fb01e31a97381030951908f843a9e8e7
  • MD5 SHA1 SHA512 SSDEEP TLSH

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

  • Family: Simda, Shiz

    Simda aka Shiz is a stealer and backdoor written in C++.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • 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 UnmapMainImage 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp_zwnmxl7.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp_zwnmxl7.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
    • Suspicious use of UnmapMainImage
    PID:4188
  • C:\Users\Admin\AppData\Local\Temp\tmp_zwnmxl7.exe
    C:\Users\Admin\AppData\Local\Temp\TMP_ZW~1.EXE
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    PID:2824

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2824-67-0x000000007FE10000-0x000000007FE79000-memory.dmp

        memory/4188-0-0x0000000000400000-0x0000000000452000-memory.dmp

        memory/4188-1-0x000000007FE10000-0x000000007FE79000-memory.dmp

        memory/4188-2-0x0000000000400000-0x0000000000439000-memory.dmp

        memory/4188-3-0x0000000000440000-0x0000000000441000-memory.dmp

        memory/4188-4-0x0000000002790000-0x0000000002842000-memory.dmp

        memory/4188-7-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-8-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-10-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-68-0x0000000000400000-0x0000000000439000-memory.dmp

        memory/4188-69-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-78-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-82-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-81-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-80-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-79-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-77-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-76-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-130-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-128-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-127-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-126-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-125-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-124-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-123-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-122-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-121-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-120-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-119-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-118-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-117-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-114-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-113-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-112-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-111-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-110-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-109-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-108-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-107-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-106-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-105-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-104-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-103-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-101-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-100-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-99-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-98-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-97-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-96-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-95-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-94-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-93-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-92-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-90-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-89-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-88-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-87-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-86-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-84-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-83-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-116-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-75-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-74-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-102-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-73-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-72-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-71-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-91-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-85-0x0000000002950000-0x0000000002A08000-memory.dmp

        memory/4188-70-0x0000000002950000-0x0000000002A08000-memory.dmp