Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2024 21:51

General

  • Target

    386fe3604a7fff1cea0e5c096eaac74b412e0a8124c2fe2e046c7bb563ac7747.exe

  • Size

    202KB

  • MD5

    51850514535840a08177c8c8ed984ea2

  • SHA1

    cf9857b90d83fdc53db79296a3d89988eec65da6

  • SHA256

    386fe3604a7fff1cea0e5c096eaac74b412e0a8124c2fe2e046c7bb563ac7747

  • SHA512

    a0d09fbd04eea4b66930bb6308ab43dd88136b98b5de6daa014d300d601342be9eaac351590653f41360ae24c0fee3c545bff0796a1cc3d37f8cf771f06425a7

  • SSDEEP

    3072:a8nh2Hrp3Tlp+soN3BY2ZBHetwcyf1w5DYRZPQaQrhu8ihDNugrBVgc8gbmT2PcF:7nw9lEs3hhyaubQTkhbrBVL8gbmT2Pc

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\386fe3604a7fff1cea0e5c096eaac74b412e0a8124c2fe2e046c7bb563ac7747.exe
    "C:\Users\Admin\AppData\Local\Temp\386fe3604a7fff1cea0e5c096eaac74b412e0a8124c2fe2e046c7bb563ac7747.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:2696
    • 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:2196

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\5E0F.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\A5D1.tmp

    Filesize

    42KB

    MD5

    fac290c77453dcee1ea9d4c638ea36fe

    SHA1

    968902e47370c6fb8897317fcc815031bc85fedb

    SHA256

    c159bcafe633b79d5ff7d1b96a412c7ada185eb6d64848c24b2f038e3fdca93e

    SHA512

    478be21160a4350a76c120768460d815724aca8a5dddc4140347a22290f017a45b1bd4beb8191f99cdb4756ce200ece9731e57ee29fdf50a61e28db38d7bc97f

  • C:\Users\Admin\AppData\Local\Temp\A625.tmp

    Filesize

    1KB

    MD5

    2c00d0610163ce5b5faabe3edfa3ba6e

    SHA1

    1da216d96f69ed157b749e85a1b8d9be6ceb9b30

    SHA256

    228eef279539be6d569f60f7816e06d81950581cdd5ff46f5c17f2d7ac22564f

    SHA512

    c3edb1c064fecc464f342cc35b31a1654d9e1095acaa5bf62eefc2eb2bd63a02f519d5d8106bc464d045bb549e19f6fafa7afa6a21bd54f851d4f6e886d19fc7

  • \Windows\AppPatch\svchost.exe

    Filesize

    202KB

    MD5

    34aec7436d1a89e0383f4ce912785578

    SHA1

    4efe194be0472e525f9f30857fbb7e4b60f9974e

    SHA256

    ba65a86d59eca18f8babe178abca9d9151f0695605a465656f7221e4ef645e94

    SHA512

    e949a7d1c1c977de431a7ee527c3d74b3fbbc82a3e70b58abb49e39d9fd5ddd59cc62d51cfa06b28304335d82786e5ce926a23c7a3d41feb50c58f3655cf7d6f

  • memory/2196-62-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-15-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2196-60-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-20-0x0000000001E20000-0x0000000001EC8000-memory.dmp

    Filesize

    672KB

  • memory/2196-57-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-28-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-32-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-30-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-36-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-40-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-58-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-80-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-79-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-78-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-77-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-76-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-75-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-74-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-73-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-72-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-71-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-70-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-69-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-68-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-67-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-66-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-65-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-63-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-26-0x0000000001E20000-0x0000000001EC8000-memory.dmp

    Filesize

    672KB

  • memory/2196-61-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-27-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2196-24-0x0000000001E20000-0x0000000001EC8000-memory.dmp

    Filesize

    672KB

  • memory/2196-16-0x0000000001E20000-0x0000000001EC8000-memory.dmp

    Filesize

    672KB

  • memory/2196-56-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-55-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-54-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-53-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-52-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-51-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-49-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-48-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-47-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-46-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-45-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-44-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-42-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-64-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-41-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-39-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-50-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-38-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-37-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-34-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-43-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-35-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2196-22-0x0000000001E20000-0x0000000001EC8000-memory.dmp

    Filesize

    672KB

  • memory/2196-18-0x0000000001E20000-0x0000000001EC8000-memory.dmp

    Filesize

    672KB

  • memory/2196-59-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2696-0-0x0000000000240000-0x0000000000243000-memory.dmp

    Filesize

    12KB

  • memory/2696-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2696-14-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2696-13-0x0000000000240000-0x0000000000243000-memory.dmp

    Filesize

    12KB