Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2024 17:47

General

  • Target

    dcd09b58f4dea75ad8070d05ed245cbf620008e270e1539e4591188f490a3a8fN.exe

  • Size

    218KB

  • MD5

    e94152886e58a68be25d530c1af93ff0

  • SHA1

    75ff304c859e0a74c0daccb377a84677256cf010

  • SHA256

    dcd09b58f4dea75ad8070d05ed245cbf620008e270e1539e4591188f490a3a8f

  • SHA512

    8877079e6caee41bd1ad93750cf0f18afc1e856292595c423b2979967751823e817d431137838e23ab9341ce93fb53dd1beb6a9a938b5b57a2eaca207959140e

  • SSDEEP

    3072:9vm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:x1SyAJp6rjn1gOObn4b6h9h

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\dcd09b58f4dea75ad8070d05ed245cbf620008e270e1539e4591188f490a3a8fN.exe
    "C:\Users\Admin\AppData\Local\Temp\dcd09b58f4dea75ad8070d05ed245cbf620008e270e1539e4591188f490a3a8fN.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:2140
    • 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:2848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\A31E.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\FF79.tmp

    Filesize

    42KB

    MD5

    48424b1a11220a80ce28797ff0f86d3a

    SHA1

    73773e41f59eaef4c3883853131200c895c5083c

    SHA256

    9149aa71b128cdb00bb56b5553697cc91e1e9f986947a56d02a724504d491f87

    SHA512

    3854d347c728d17fceb9e8f2e9b43a8bf998909d0d92677e55cf56f586deff3a28f9d6ade3d13c840c15abef16acb829af1dd70c54e2bb5c1a2379fbf45a90bb

  • \Windows\AppPatch\svchost.exe

    Filesize

    218KB

    MD5

    3c9d45d07e01643c1a940eb17250c095

    SHA1

    0f3e8cb8dd43e0774b4b06ebc6922e707f1f2c06

    SHA256

    b6a53118c3997dfab36c9db28bdda47c01b361353ff8e359dcc49f73a2f50628

    SHA512

    4f9bb686a3ff05f8feae0a37aa7a83a172eebd943127cc43feaaa1d06a7128bf610b8edf75078dd6fe47f12e1e2c1b620fcb3bc61ffa846aae6b420114db3a2f

  • memory/2140-0-0x0000000001D40000-0x0000000001D91000-memory.dmp

    Filesize

    324KB

  • memory/2140-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2140-17-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2140-16-0x0000000001D40000-0x0000000001D91000-memory.dmp

    Filesize

    324KB

  • memory/2140-15-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2848-18-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2848-19-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2848-23-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2848-28-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2848-30-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2848-26-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2848-31-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2848-24-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2848-20-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2848-32-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-34-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-36-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-40-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-46-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-66-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-84-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-83-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-82-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-81-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-80-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-79-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-78-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-77-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-76-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-75-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-74-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-73-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-72-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-71-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-70-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-69-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-68-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-67-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-65-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-64-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-63-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-62-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-61-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-60-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-59-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-58-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-56-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-55-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-54-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-53-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-52-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-51-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-50-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-49-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-48-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-47-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-45-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-44-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-43-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-42-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-57-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-41-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-39-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2848-38-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB