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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/01/2025, 22:37

General

  • Target

    935f7046419595211f30a933b103da80e6b7c0d6728fa121f17426a13aec64ec.exe

  • Size

    208KB

  • MD5

    19ec7aeaf821b7e4668a914ba1947b7c

  • SHA1

    c1a69b5a68842c87f53ffbf924e399fd93b95eae

  • SHA256

    935f7046419595211f30a933b103da80e6b7c0d6728fa121f17426a13aec64ec

  • SHA512

    520dac4acf892983da7495ea20d538b7ce0538e969e70b75c6974bbfa8b49f365c9972ebf66e18a9030a753e7c9cbc8d12464de3fd1417249550bbcdfbb0d4e2

  • SSDEEP

    6144:ra1oB/yvpK0JCmRcRRR8N0e2kXfCqNidkfkg:rbapK0JCmRcU9vVokfR

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 1 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 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\935f7046419595211f30a933b103da80e6b7c0d6728fa121f17426a13aec64ec.exe
    "C:\Users\Admin\AppData\Local\Temp\935f7046419595211f30a933b103da80e6b7c0d6728fa121f17426a13aec64ec.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:3020
    • 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:1568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\2A1.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\A58B.tmp

    Filesize

    1KB

    MD5

    a56934750d3054c14d4ab4aa6d461892

    SHA1

    ec6be49bdd68511b12bd95580c3e199cb43633f6

    SHA256

    5a65c97960fa1b4c6da60d5fda144294b9ad43ab26dcc637d720792c7a6e56ac

    SHA512

    7b4937574d0c0fc716dffcafbda8eef1cfb69502b43f7448d69c2059912efbc43e0c0d533d96ddeb4322cb48647069ee067da582a1a7b92501dd457d999fc3aa

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    208KB

    MD5

    d9192c6d0723336208017aedad70e265

    SHA1

    5ea486ed5773e697ecaa78dcba3a2c8f3ecf0618

    SHA256

    133853b52d9b27f75924046bde94f715362e407ae52a397096c7e513e79fb34a

    SHA512

    0c6902a6174b6fe9941c0d9586620f2d21c461fbc48ff857ee745f659b339eb5b82ce635fd73ba640db263b7de5f6337c1e0b992ae05e530dfdc11935d05c4dd

  • memory/1568-64-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-59-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-15-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1568-25-0x0000000002260000-0x0000000002308000-memory.dmp

    Filesize

    672KB

  • memory/1568-27-0x0000000002260000-0x0000000002308000-memory.dmp

    Filesize

    672KB

  • memory/1568-28-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1568-23-0x0000000002260000-0x0000000002308000-memory.dmp

    Filesize

    672KB

  • memory/1568-21-0x0000000002260000-0x0000000002308000-memory.dmp

    Filesize

    672KB

  • memory/1568-29-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-33-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-31-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-40-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-39-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-65-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-81-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-80-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-78-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-77-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-76-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-75-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-74-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-73-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-72-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-71-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-70-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-69-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-68-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-67-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-66-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-17-0x0000000002260000-0x0000000002308000-memory.dmp

    Filesize

    672KB

  • memory/1568-19-0x0000000002260000-0x0000000002308000-memory.dmp

    Filesize

    672KB

  • memory/1568-62-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-52-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-61-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-58-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-57-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-56-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-55-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-54-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-53-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-60-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-51-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-50-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-48-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-47-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-46-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-45-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-44-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-79-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-43-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-42-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-41-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-63-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-38-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-37-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-49-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-35-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-36-0x0000000002410000-0x00000000024C6000-memory.dmp

    Filesize

    728KB

  • memory/1568-16-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/3020-0-0x0000000000240000-0x0000000000243000-memory.dmp

    Filesize

    12KB

  • memory/3020-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/3020-14-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/3020-13-0x0000000000240000-0x0000000000243000-memory.dmp

    Filesize

    12KB

  • memory/3020-11-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB