Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2024 05:52

General

  • Target

    e1e5a3be2c67ad33bede108a4fcb0486818b655471438480891bd0c6fe2724cc.exe

  • Size

    217KB

  • MD5

    3e782e34e78b11257333e86aec1b79ca

  • SHA1

    7fe878e2799e16b110ce460dd5e4aed3eaf3e61a

  • SHA256

    e1e5a3be2c67ad33bede108a4fcb0486818b655471438480891bd0c6fe2724cc

  • SHA512

    8b90922bd72c25d748ebe428eeccdfce66dcbacf8cd5b515b2cfb12f1308ca48696a067ffe60083fcf421108e91ebf155b376de52ad4f57c8af446cd955e6e34

  • SSDEEP

    6144:IrRaTyDOnlo7eM+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\e1e5a3be2c67ad33bede108a4fcb0486818b655471438480891bd0c6fe2724cc.exe
    "C:\Users\Admin\AppData\Local\Temp\e1e5a3be2c67ad33bede108a4fcb0486818b655471438480891bd0c6fe2724cc.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:844
    • 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:2300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\7BCOPU31\login[1].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • C:\Users\Admin\AppData\Local\Temp\10FA.tmp

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • C:\Users\Admin\AppData\Local\Temp\10FA.tmp

    Filesize

    42KB

    MD5

    dbb8ee391fc5829f8c44da8e7ae3d48f

    SHA1

    6e5a144ff4f719eccc31cb0ca32823f847d7b32a

    SHA256

    654b9a17ac63a8e3e60b644a81ce0e15d806da9c0e7d843cc5e3c70372a83a15

    SHA512

    10628ae18d7d485087255d0b01ddc8d68b773f9858b3def707fd000f2e3ab100f384fe941ce5984bddafcfaa40e73e194b705d9bd51b01a967499648c84f0005

  • C:\Users\Admin\AppData\Local\Temp\3E7C.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • \Windows\AppPatch\svchost.exe

    Filesize

    217KB

    MD5

    d0140400fb86b036fdab150d829b9d0c

    SHA1

    071bc84054d4c1afb119915573efe67344b392cc

    SHA256

    866def9ae6cd99de024fe0bef6c5d93edeb457140525a3c9490b6ad01ec32662

    SHA512

    ad336f6d5e68dee62acb5f029991c4e8acb92667ccace7e2178ac1c5620ebc3347611a57113449cf79d07f3075de692ff158a68f9511feaa26b8f0a1b36d2652

  • memory/844-0-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/844-1-0x0000000000220000-0x0000000000271000-memory.dmp

    Filesize

    324KB

  • memory/844-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/844-18-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/844-17-0x0000000000220000-0x0000000000271000-memory.dmp

    Filesize

    324KB

  • memory/844-16-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2300-70-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-60-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-22-0x00000000023F0000-0x0000000002498000-memory.dmp

    Filesize

    672KB

  • memory/2300-32-0x00000000023F0000-0x0000000002498000-memory.dmp

    Filesize

    672KB

  • memory/2300-30-0x00000000023F0000-0x0000000002498000-memory.dmp

    Filesize

    672KB

  • memory/2300-28-0x00000000023F0000-0x0000000002498000-memory.dmp

    Filesize

    672KB

  • memory/2300-26-0x00000000023F0000-0x0000000002498000-memory.dmp

    Filesize

    672KB

  • memory/2300-33-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2300-36-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-34-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-38-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-66-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-65-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-85-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-83-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-82-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-80-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-78-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-77-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-76-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-74-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-73-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-71-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-21-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2300-69-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-67-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-64-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-62-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-61-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-24-0x00000000023F0000-0x0000000002498000-memory.dmp

    Filesize

    672KB

  • memory/2300-59-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-57-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-56-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-54-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-53-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-52-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-51-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-50-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-49-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-48-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-81-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-47-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-79-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-46-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-75-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-72-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-45-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-68-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-44-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-43-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-63-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-58-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-42-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-41-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-20-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2300-19-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2300-55-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB

  • memory/2300-40-0x00000000025A0000-0x0000000002656000-memory.dmp

    Filesize

    728KB