Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/11/2024, 01:38

General

  • Target

    6a57267bd5ed36246e6384ab9ecdbf4bc9bf4a749869199d6306bf2e4af54b50.exe

  • Size

    218KB

  • MD5

    57017290d030d9ca4d198ccb554b8b92

  • SHA1

    c366d26a19d7b17c515931c8e86b7f0769cea938

  • SHA256

    6a57267bd5ed36246e6384ab9ecdbf4bc9bf4a749869199d6306bf2e4af54b50

  • SHA512

    a01972185eae29ecea775384b459f79947c8e7f3c585ad4bb78c7221a647eeabaacc9b09b9af9a01268fe3d9fdee771c5cda6082a108f6a2b36755fc9657ee07

  • SSDEEP

    3072:Jvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2Ha:d1SyAJp6rjn1gOObn4b6h9R

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\6a57267bd5ed36246e6384ab9ecdbf4bc9bf4a749869199d6306bf2e4af54b50.exe
    "C:\Users\Admin\AppData\Local\Temp\6a57267bd5ed36246e6384ab9ecdbf4bc9bf4a749869199d6306bf2e4af54b50.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:1860
    • 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:2548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\1588.tmp

    Filesize

    24KB

    MD5

    667a9d2b54f811c6ddb7b9d38387048b

    SHA1

    fedf19def026c8fc706512d4770c3eebc4d30806

    SHA256

    b45c361f2767cad44dcbe114c22eb2739cb0c4678ddc541195f6e78087c07f3a

    SHA512

    61a53a60f8aacdb5f64fa8e159e3363edd926d47e8821ee3e0dda78a7a8d1cf3055f7dda0496668f54e56c42c3199f26ee4c75f8678ec2f14fcba8770c2a52ac

  • C:\Users\Admin\AppData\Local\Temp\1589.tmp

    Filesize

    1KB

    MD5

    391d60b87029b536a2ce0c25ea5578ba

    SHA1

    0f3ec3f5e1db61041bc69f42821a586e933ef4f3

    SHA256

    c807c8d18bc4891880d557fe3c08724074e09757bcb518d71e77edfa89605b00

    SHA512

    ad28d8bd690c62eea91a57d85f069b17512cec5a91618d4090a479f4cb46c0ff8158829980fa43d5bcd196f719df00bf100a4b9bd7678ced4525d700a478f197

  • C:\Users\Admin\AppData\Local\Temp\158A.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\ADD5.tmp

    Filesize

    42KB

    MD5

    554e6f8890a7214acd8a56cea4ea0631

    SHA1

    f3a163a8c728b0cc30f1a98591b08cf2fa26f5a3

    SHA256

    1a9b0b7f8b44079d67cb049e5d56281ba9d1103f542eeb6a434f23cad1f3b446

    SHA512

    c6a64fd99770b308da8454e7726358a631bbfa9c654ddfeb7188286219e15d751f17289a500a6588faa0387e7c5578d56fe9c4ddb77ade043a576286b847820b

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    218KB

    MD5

    b0502d159be95de09c60a83df8796ff8

    SHA1

    fc79103e4e842e57b44fb0483c0fdf0502c8ffdb

    SHA256

    ad2bea928b1863b1be6e18456bdc3d12a2542bb5a4a39381d369c06453f17a36

    SHA512

    e45944a3daeb177abd7af3c86d929b27d7e350bf4f75d9d1e6f5b3a63db57217daa0d03621fc0cfb004e23756e9fdd452dfd788feb28a1abd844d35afefbe3f0

  • memory/1860-0-0x0000000000250000-0x00000000002A1000-memory.dmp

    Filesize

    324KB

  • memory/1860-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1860-17-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1860-16-0x0000000000250000-0x00000000002A1000-memory.dmp

    Filesize

    324KB

  • memory/1860-15-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2548-71-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-65-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-30-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2548-28-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2548-31-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2548-26-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2548-22-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2548-20-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2548-36-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-34-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-32-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-44-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-48-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-84-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-83-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-82-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-80-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-79-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-78-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-76-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-75-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-74-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-73-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-72-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-19-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2548-70-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-69-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-68-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-66-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-24-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2548-63-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-62-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-61-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-59-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-58-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-57-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-55-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-53-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-52-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-51-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-50-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-49-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-47-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-46-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-45-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-41-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-81-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-42-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-77-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-67-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-64-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-60-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-56-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-54-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-38-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-18-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2548-43-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-40-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB

  • memory/2548-39-0x0000000002530000-0x00000000025E6000-memory.dmp

    Filesize

    728KB