Analysis

  • max time kernel
    131s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2024 05:12

General

  • Target

    d434c6986eb177af043173433e638e5819f75be4e7afa269dcda67a53870b666.exe

  • Size

    399KB

  • MD5

    d1e7fb34ff4d8ac842cddd1089538a0d

  • SHA1

    48baa54b15343c96edced9f91d7adb65acbef373

  • SHA256

    d434c6986eb177af043173433e638e5819f75be4e7afa269dcda67a53870b666

  • SHA512

    9b38cd26fc828af3e2cd0ab2f7abee283d81cd09495c84cfd0876cb9ee5823022101e27b060a8d92d036550a1f552d675c70188f5650ab07ff5096ef8ffe826b

  • SSDEEP

    6144:D4EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Eir4Xd5Md:pmWhND9yJz+b1FcMLmp2ATTSsdr4NW

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\d434c6986eb177af043173433e638e5819f75be4e7afa269dcda67a53870b666.exe
    "C:\Users\Admin\AppData\Local\Temp\d434c6986eb177af043173433e638e5819f75be4e7afa269dcda67a53870b666.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:1852
    • 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:1760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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\18C7.tmp

    Filesize

    42KB

    MD5

    14263b7c4eb21405380b10ba3faae165

    SHA1

    8624c05f623f95a153f2683414527965cc1cacec

    SHA256

    3b76e6a15bafdc024dd2d0202ae9bc4a9fb7f6c2e4df065221a14a7099915735

    SHA512

    17ebf8118f8def2cbfc72e687a471b628c85c23bb881b9ed36b6baeaa812d9daa530bb6f83ebe3473a4123803be36fbd72c74c090b14febdced10d667be10870

  • C:\Users\Admin\AppData\Local\Temp\7EF9.tmp

    Filesize

    481B

    MD5

    102ef0d5d97a4f00698f600bb5e6970c

    SHA1

    2102290aaeb993215b5826fe3fe36ad75df2207d

    SHA256

    583c650e682e8a5dffeb96c24022e729a480c0aff4bc869bdd96cb850b430be9

    SHA512

    b035ef726895815266fcdc3d21f087704c898ae1c50f2ed4d3b7be237c6a7552b696e6e3708be898b3b0c927cacab0c8b51242e1cdedec830e82982577d36fb0

  • C:\Users\Admin\AppData\Local\Temp\A935.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    399KB

    MD5

    4ba4ae457cc3e0282d2de916f92f6317

    SHA1

    cf2b61b6eaf0016879132f1904ac4c0e5b414574

    SHA256

    d78ba00c89092ca577dfa823fa12b1477c03e03249feba988865ea8a99199733

    SHA512

    82c2a475be1c0e32e493084350f5529a0ff73c374eea42c5b2848ef9bf5cf5af8f00c166562270eb8fd1c6f2db205739abed447fd38b8e17c94e2abedd384d1a

  • memory/1760-62-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-18-0x0000000002090000-0x0000000002138000-memory.dmp

    Filesize

    672KB

  • memory/1760-59-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-20-0x0000000002090000-0x0000000002138000-memory.dmp

    Filesize

    672KB

  • memory/1760-57-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-16-0x0000000002090000-0x0000000002138000-memory.dmp

    Filesize

    672KB

  • memory/1760-25-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-27-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-29-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-32-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-33-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-77-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-76-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-75-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-74-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-73-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-72-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-70-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-69-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-68-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-67-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-66-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-65-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-64-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-56-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-15-0x0000000002090000-0x0000000002138000-memory.dmp

    Filesize

    672KB

  • memory/1760-61-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-60-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-22-0x0000000002090000-0x0000000002138000-memory.dmp

    Filesize

    672KB

  • memory/1760-24-0x0000000002090000-0x0000000002138000-memory.dmp

    Filesize

    672KB

  • memory/1760-63-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-55-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-54-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-53-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-52-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-51-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-50-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-49-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-48-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-47-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-45-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-44-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-43-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-41-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-40-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-39-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-38-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-37-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-36-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-35-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-34-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-31-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-71-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-58-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-46-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-42-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1760-191-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/1852-13-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB