Analysis

  • max time kernel
    150s
  • max time network
    152s
  • 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 18:21

General

  • Target

    JaffaCakes118_c5fa2f93477c61551db5389010d3fa52.exe

  • Size

    255KB

  • MD5

    c5fa2f93477c61551db5389010d3fa52

  • SHA1

    c3e2dca54b4c26fcc0be89f027fefabbddfbdcbd

  • SHA256

    668286b4af9ac582c8ae4e67383a0590a6f657d07ec0e7f469bda22be7f686f9

  • SHA512

    1611f5426875f0044884735055458c36c0be101ead880177064b66fdf8829d64de295a0d92b0c6a7fd2fea3206c16ebd073a316229c8144ead117ccf81614438

  • SSDEEP

    6144:VNU2+2kcTBWUZxjCld3hRV2QsXSAaj4ijpFaQTQisa:VNRdpgdRRoTCD4ijpoix

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\JaffaCakes118_c5fa2f93477c61551db5389010d3fa52.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c5fa2f93477c61551db5389010d3fa52.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:1688
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4ODkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTM2NTgwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NTY3NDY1NzM5Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:1700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1688-0-0x0000000000400000-0x0000000000533000-memory.dmp

    Filesize

    1.2MB

  • memory/1688-1-0x0000000000670000-0x00000000006C7000-memory.dmp

    Filesize

    348KB

  • memory/1688-2-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB

  • memory/1688-3-0x00000000007F0000-0x00000000007F1000-memory.dmp

    Filesize

    4KB

  • memory/1688-4-0x00000000026A0000-0x0000000002752000-memory.dmp

    Filesize

    712KB

  • memory/1688-5-0x0000000000400000-0x0000000000533000-memory.dmp

    Filesize

    1.2MB

  • memory/1688-6-0x0000000002860000-0x0000000002918000-memory.dmp

    Filesize

    736KB

  • memory/1688-12-0x00000000022A0000-0x00000000022A1000-memory.dmp

    Filesize

    4KB

  • memory/1688-10-0x0000000002860000-0x0000000002918000-memory.dmp

    Filesize

    736KB

  • memory/1688-8-0x0000000002860000-0x0000000002918000-memory.dmp

    Filesize

    736KB

  • memory/1688-64-0x0000000002860000-0x0000000002918000-memory.dmp

    Filesize

    736KB

  • memory/1688-69-0x0000000002860000-0x0000000002918000-memory.dmp

    Filesize

    736KB

  • memory/1688-68-0x0000000002860000-0x0000000002918000-memory.dmp

    Filesize

    736KB

  • memory/1688-67-0x0000000002860000-0x0000000002918000-memory.dmp

    Filesize

    736KB

  • memory/1688-66-0x0000000002860000-0x0000000002918000-memory.dmp

    Filesize

    736KB

  • memory/1688-65-0x0000000002860000-0x0000000002918000-memory.dmp

    Filesize

    736KB

  • memory/1688-128-0x0000000000670000-0x00000000006C7000-memory.dmp

    Filesize

    348KB

  • memory/1688-129-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB