Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2025 00:55

General

  • Target

    67ec6260b3a2e84ee17a10c60af217a5381d13500c2176b5253828bc5d1c3e93.exe

  • Size

    217KB

  • MD5

    0e7ca7549dc89a63bab740df523a559c

  • SHA1

    d333be86a9c116792b21dcb7846cd956361cdd09

  • SHA256

    67ec6260b3a2e84ee17a10c60af217a5381d13500c2176b5253828bc5d1c3e93

  • SHA512

    bb4af72a8efe5d69e82893dab0da42395091fe8da0379b81dc98c6da866b6756629125b94303d3c2dc6989ba1c8dc46a98345ef6e88074ddf411312bdda39be6

  • SSDEEP

    6144:6rRaTyDOnlo7eM+mlkWgRXOqobzWjozm2ulYM6Y:AsTbzu1glovW4EH6Y

Malware Config

Extracted

Family

simda

Attributes
  • dga

    gatyfus.com

    lyvyxor.com

    vojyqem.com

    qetyfuv.com

    puvyxil.com

    gahyqah.com

    lyryfyd.com

    vocyzit.com

    qegyqaq.com

    purydyv.com

    gacyzuz.com

    lygymoj.com

    vowydef.com

    qexylup.com

    pufymoq.com

    gaqydeb.com

    lyxylux.com

    vofymik.com

    qeqysag.com

    puzylyp.com

    gadyniw.com

    lymysan.com

    volykyc.com

    qedynul.com

    pumypog.com

    galykes.com

    lysynur.com

    vonypom.com

    qekykev.com

    pupybul.com

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Simda family
  • simda

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in Windows directory 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\67ec6260b3a2e84ee17a10c60af217a5381d13500c2176b5253828bc5d1c3e93.exe
    "C:\Users\Admin\AppData\Local\Temp\67ec6260b3a2e84ee17a10c60af217a5381d13500c2176b5253828bc5d1c3e93.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\9C83.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    217KB

    MD5

    00b5359f0a95e7e407d1c1d964502f2e

    SHA1

    6bd3e0fba5f1be33395804725c25b564264df158

    SHA256

    3701cba93978580383a0b0442441a7d91d0a25c97a892ff043f8790b13126199

    SHA512

    bed20dcac7b0fcc86ed965c32aced66055cb76c992a1195da89f38f685bef2aa3079288619f5d02c18c41212ef138962d350d8a3fb803a8fe72cbcd679883ee2

  • memory/2200-70-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-51-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-22-0x0000000001E30000-0x0000000001ED8000-memory.dmp

    Filesize

    672KB

  • memory/2200-20-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2200-41-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-69-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-77-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-32-0x0000000001E30000-0x0000000001ED8000-memory.dmp

    Filesize

    672KB

  • memory/2200-30-0x0000000001E30000-0x0000000001ED8000-memory.dmp

    Filesize

    672KB

  • memory/2200-28-0x0000000001E30000-0x0000000001ED8000-memory.dmp

    Filesize

    672KB

  • memory/2200-68-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-24-0x0000000001E30000-0x0000000001ED8000-memory.dmp

    Filesize

    672KB

  • memory/2200-33-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2200-34-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-36-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-38-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-64-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-73-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-84-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-83-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-82-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-81-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-80-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-79-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-78-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-76-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-75-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-74-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-72-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-71-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-19-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2200-21-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2200-26-0x0000000001E30000-0x0000000001ED8000-memory.dmp

    Filesize

    672KB

  • memory/2200-67-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-66-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-65-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-63-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-62-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-61-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-60-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-59-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-58-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-57-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-56-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-55-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-54-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-53-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-52-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-50-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-49-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-48-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-47-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-46-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-45-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-44-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-43-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-42-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2200-40-0x0000000002520000-0x00000000025D6000-memory.dmp

    Filesize

    728KB

  • memory/2856-17-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2856-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2856-1-0x0000000000220000-0x0000000000271000-memory.dmp

    Filesize

    324KB

  • memory/2856-0-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2856-16-0x0000000000220000-0x0000000000271000-memory.dmp

    Filesize

    324KB

  • memory/2856-15-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB