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Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14/10/2024, 11:16

General

  • Target

    93ce8b491185cbd85eb388680254a6ae4e49d4b6517ab27ed07898a0a3469e0cN.exe

  • Size

    215KB

  • MD5

    4ba94316f4507ed1935fcc8f4cab5470

  • SHA1

    a9c06b3978495b4bdc8f938b4f94bca2e52b8c75

  • SHA256

    93ce8b491185cbd85eb388680254a6ae4e49d4b6517ab27ed07898a0a3469e0c

  • SHA512

    fae9f6e27d2040651bd3d605126ba12f66aaaa818997c35321e4f0c4148dd9af6160df43e1f8d6d0a8b7e297c3f8c04f27a25e2f57345ebfce57ec10ee64a482

  • SSDEEP

    3072:uoAbvJrZ/CEp1Td3INNAILgwKRpP3fJ2pwLAt/iw1JmWTe1eyfLUH+xW6Lyk:u7vJN/CE/TZINiPPBIwcuWTegi9W

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

  • simda

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 17 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\93ce8b491185cbd85eb388680254a6ae4e49d4b6517ab27ed07898a0a3469e0cN.exe
    "C:\Users\Admin\AppData\Local\Temp\93ce8b491185cbd85eb388680254a6ae4e49d4b6517ab27ed07898a0a3469e0cN.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\4L01D2VJ\login[1].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    215KB

    MD5

    7269f5528c09c6998e6664b178fff8ef

    SHA1

    f67402d0a28e11391dc32a985390238bdbef18ea

    SHA256

    f7d85922b3fdf3b14c64974577772caa327c712543c48820850fd1d6a26e7574

    SHA512

    37abf46412a1d4ae5adbc02acbc379de0e7c7c77978c765ea433ab03b5b7e22531f66d2536cefbdd64c94c0303c0be52f63c0bd4f7f4c4cb7955751175159082

  • memory/2236-0-0x0000000000270000-0x0000000000273000-memory.dmp

    Filesize

    12KB

  • memory/2236-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2236-16-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2236-15-0x0000000000270000-0x0000000000273000-memory.dmp

    Filesize

    12KB

  • memory/2452-17-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2452-18-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2452-21-0x0000000001D10000-0x0000000001DBA000-memory.dmp

    Filesize

    680KB

  • memory/2452-25-0x0000000001D10000-0x0000000001DBA000-memory.dmp

    Filesize

    680KB

  • memory/2452-27-0x0000000001D10000-0x0000000001DBA000-memory.dmp

    Filesize

    680KB

  • memory/2452-23-0x0000000001D10000-0x0000000001DBA000-memory.dmp

    Filesize

    680KB

  • memory/2452-30-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2452-19-0x0000000001D10000-0x0000000001DBA000-memory.dmp

    Filesize

    680KB

  • memory/2452-31-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-29-0x0000000001D10000-0x0000000001DBA000-memory.dmp

    Filesize

    680KB

  • memory/2452-35-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-33-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-42-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-45-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-78-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-83-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-82-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-81-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-80-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-79-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-77-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-76-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-75-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-74-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-73-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-72-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-71-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-70-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-69-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-68-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-67-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-66-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-64-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-63-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-62-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-61-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-60-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-59-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-58-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-57-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-56-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-55-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-54-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-53-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-52-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-51-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-50-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-49-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-48-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-47-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-46-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-44-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-43-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-41-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-65-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-40-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-39-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-38-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB

  • memory/2452-37-0x0000000002410000-0x00000000024C7000-memory.dmp

    Filesize

    732KB