Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-02-2025 14:08

General

  • Target

    b1f79147c096d52fbc1c75428264d977fd42ad709b130a28ef07be11aba9b9e0.exe

  • Size

    257KB

  • MD5

    c37feeabdf85804f5d1bbb6769fc80a0

  • SHA1

    5c5f289a43aece8cb3312eb54be9e4b57573b5d7

  • SHA256

    b1f79147c096d52fbc1c75428264d977fd42ad709b130a28ef07be11aba9b9e0

  • SHA512

    055e090a0f5291d54e7e30f72ee39fa2ae3f953e37150f4cda6112fa40d815679487993aabfd3699c17a0f5f9548675fe2ce4e6d136746dd569d53d95bc72877

  • SSDEEP

    3072:4icFgFSqXNa0s3o2MV2SwcfjUGkmj1AWFhGIhtrJG+2ozcQU8gh1yhw7yds5VLG0:FXNNSo2EscAxmpDGIhtrTpUpH15WJSV

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++.

  • Downloads MZ/PE file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Modifies WinLogon 2 TTPs 2 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1f79147c096d52fbc1c75428264d977fd42ad709b130a28ef07be11aba9b9e0.exe
    "C:\Users\Admin\AppData\Local\Temp\b1f79147c096d52fbc1c75428264d977fd42ad709b130a28ef07be11aba9b9e0.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:516
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU1NzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODAxNjUyMzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0OTE5Nzk1NDAzIi8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:3812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/516-0-0x0000000000400000-0x0000000000502000-memory.dmp

    Filesize

    1.0MB

  • memory/516-1-0x00000000022D0000-0x0000000002336000-memory.dmp

    Filesize

    408KB

  • memory/516-2-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB

  • memory/516-3-0x00000000006F0000-0x00000000006F1000-memory.dmp

    Filesize

    4KB

  • memory/516-4-0x0000000002340000-0x00000000023F2000-memory.dmp

    Filesize

    712KB

  • memory/516-5-0x0000000000400000-0x0000000000502000-memory.dmp

    Filesize

    1.0MB

  • memory/516-6-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-10-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-8-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-58-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-64-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-91-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-107-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-113-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-112-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-111-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-110-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-109-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-108-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-106-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-105-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-104-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-103-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-102-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-101-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-100-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-99-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-98-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-97-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-96-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-95-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-94-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-93-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-92-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-90-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-89-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-88-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-87-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-86-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-85-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-84-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-83-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-82-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-81-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-80-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-79-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-78-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-77-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-76-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-75-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-74-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-73-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-72-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-71-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-69-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-68-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-67-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-66-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-65-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-63-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-62-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-61-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-60-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-70-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-59-0x00000000029F0000-0x0000000002AA8000-memory.dmp

    Filesize

    736KB

  • memory/516-126-0x00000000022D0000-0x0000000002336000-memory.dmp

    Filesize

    408KB

  • memory/516-127-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB