Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/05/2026, 16:49

General

  • Target
    tmpnar2v_ol.exe
  • Size 287KB
  • Sample260522-vb6ebsax5r
  • SHA256 59dd91f97a77841bf00227be812f1541a75763b79802fbbaf7e2ca2815e00b76
  • 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 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmpnar2v_ol.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpnar2v_ol.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:4372
  • C:\Users\Admin\AppData\Local\Temp\tmpnar2v_ol.exe
    C:\Users\Admin\AppData\Local\Temp\TMPNAR~1.EXE
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1008

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1008-60-0x0000000000400000-0x0000000000548000-memory.dmp

        memory/1008-61-0x000000007FDE0000-0x000000007FE49000-memory.dmp

        memory/4372-0-0x000000007FDE0000-0x000000007FE49000-memory.dmp

        memory/4372-2-0x00000000027E0000-0x0000000002892000-memory.dmp

        memory/4372-1-0x00000000022A0000-0x00000000022A1000-memory.dmp

        memory/4372-5-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-6-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-8-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-62-0x0000000000400000-0x0000000000548000-memory.dmp

        memory/4372-63-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-70-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-71-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-118-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-126-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-125-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-124-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-123-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-122-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-115-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-114-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-113-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-112-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-111-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-110-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-108-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-107-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-106-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-105-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-104-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-103-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-101-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-99-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-100-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-98-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-97-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-96-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-95-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-94-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-93-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-92-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-91-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-90-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-89-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-88-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-87-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-85-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-84-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-83-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-82-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-81-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-80-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-79-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-78-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-77-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-76-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-75-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-73-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-69-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-116-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-68-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-67-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-109-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-102-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-86-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-74-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-65-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-72-0x00000000029A0000-0x0000000002A58000-memory.dmp

        memory/4372-66-0x00000000029A0000-0x0000000002A58000-memory.dmp