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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2024, 23:38

General

  • Target

    710938911e2fd9cb8ff4b49bc31dcca5f9b399d81e56b672df1bef0a0f18c315.exe

  • Size

    218KB

  • MD5

    3260631c07ead54f263c4bc1dc6a36ea

  • SHA1

    34846c5c595e2580a3eac7139d61ec8afb63c386

  • SHA256

    710938911e2fd9cb8ff4b49bc31dcca5f9b399d81e56b672df1bef0a0f18c315

  • SHA512

    7cddb0dd9c0ef579ba0df925d46d742f0abafc9c9d72df4dd16da8f82230ddc1f8554ce4fbcd38c70c5a3f4aec30c5e48d3726c0a182b4207094fd60430048cd

  • SSDEEP

    3072:3vm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:/1SyAJp6rjn1gOObn4b6h9h

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\710938911e2fd9cb8ff4b49bc31dcca5f9b399d81e56b672df1bef0a0f18c315.exe
    "C:\Users\Admin\AppData\Local\Temp\710938911e2fd9cb8ff4b49bc31dcca5f9b399d81e56b672df1bef0a0f18c315.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:2668
    • 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:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3BF0.tmp

    Filesize

    42KB

    MD5

    fb35ee0ef53e584bc007f4c6a9f08457

    SHA1

    91b4209cae6118022439644a5c12d982cd1b1af9

    SHA256

    2fb50138902ec0dccad240780c73de95dffc4cc5dde71a4914f950f33f1ebd5b

    SHA512

    b14a6d1b3a6008b7822e21c3788190d699d74079df4cb3208439315c1434ca9042d272179ac85c68e27ec6f982d769ea1744d94ab52efa31cb8969988c3864b8

  • C:\Users\Admin\AppData\Local\Temp\51F8.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    218KB

    MD5

    ff0b7336b75080d9d8a575c0592f73a2

    SHA1

    d10bdbacdef62fdab81b50fb3ec8a753effd0641

    SHA256

    655881feb819fca07378e68e24dac39b4a85250a746a447b768e06ba4cd32c86

    SHA512

    e4d2fda50af2310a6af322bde05625635286a5a3514565f24178b6119331ae2fb75aad66d0973b11971be80cfb53b4105a571c091991a0cdc8651dc64d954ffa

  • memory/2668-0-0x0000000000220000-0x0000000000271000-memory.dmp

    Filesize

    324KB

  • memory/2668-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2668-17-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2668-16-0x0000000000220000-0x0000000000271000-memory.dmp

    Filesize

    324KB

  • memory/2668-15-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2804-18-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2804-19-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2804-22-0x00000000021C0000-0x0000000002268000-memory.dmp

    Filesize

    672KB

  • memory/2804-30-0x00000000021C0000-0x0000000002268000-memory.dmp

    Filesize

    672KB

  • memory/2804-26-0x00000000021C0000-0x0000000002268000-memory.dmp

    Filesize

    672KB

  • memory/2804-24-0x00000000021C0000-0x0000000002268000-memory.dmp

    Filesize

    672KB

  • memory/2804-28-0x00000000021C0000-0x0000000002268000-memory.dmp

    Filesize

    672KB

  • memory/2804-20-0x00000000021C0000-0x0000000002268000-memory.dmp

    Filesize

    672KB

  • memory/2804-31-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2804-32-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-34-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-36-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-47-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-49-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-84-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-82-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-81-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-80-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-78-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-77-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-75-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-74-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-72-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-71-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-69-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-68-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-65-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-63-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-61-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-60-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-58-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-57-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-55-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-54-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-52-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-51-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-48-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-46-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-44-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-41-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-83-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-79-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-76-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-73-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-70-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-67-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-66-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-64-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-62-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-59-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-39-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-56-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-53-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-50-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-45-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-43-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-42-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-40-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/2804-38-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB