Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 06:28

General

  • Target

    fd19c2eb7e57fe61570c6e7c91e23368ce4c217f7d70051c406e9b4b16bd52e4.exe

  • Size

    217KB

  • MD5

    362f0cdc43235a519f6d1a8493de4e8d

  • SHA1

    7cb6a5703823996b32e5573bdf754928144bd7b4

  • SHA256

    fd19c2eb7e57fe61570c6e7c91e23368ce4c217f7d70051c406e9b4b16bd52e4

  • SHA512

    d2802f141c4db30026f287e13170161231d544f93521341dd17f7e263ac95c2422d17c81f60275390c38b9daa353b5d959007e5a7900f2cc042f1178eea8c4e2

  • SSDEEP

    6144:unyiqVQBf0EaIp8fkTJJsK1eEzEB1XjrkXbx:HEdp8csKpE7XXo

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

  • Simda family
  • simda

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 18 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd19c2eb7e57fe61570c6e7c91e23368ce4c217f7d70051c406e9b4b16bd52e4.exe
    "C:\Users\Admin\AppData\Local\Temp\fd19c2eb7e57fe61570c6e7c91e23368ce4c217f7d70051c406e9b4b16bd52e4.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    217KB

    MD5

    7a322bca608e0e4dfef6a0706495ab36

    SHA1

    83e346c1a824dc616c78afaa62df41afc5e82ca5

    SHA256

    f7546cbc2f3446206f5a4e0b9b61dd0e66e73154d5c5344ef40dbd95dd4d3bdc

    SHA512

    50d2f8740796710803fa3254d08420309ed473deb34485b3d3cc5722816b420ade67ce4e294cff3cbf169e434ca29315f21d5a0c2819142a8e38b61112142d11

  • memory/1900-0-0x0000000000260000-0x0000000000263000-memory.dmp

    Filesize

    12KB

  • memory/1900-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1900-16-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1900-15-0x0000000000260000-0x0000000000263000-memory.dmp

    Filesize

    12KB

  • memory/1900-14-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2440-17-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2440-18-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2440-25-0x0000000002520000-0x00000000025CA000-memory.dmp

    Filesize

    680KB

  • memory/2440-29-0x0000000002520000-0x00000000025CA000-memory.dmp

    Filesize

    680KB

  • memory/2440-27-0x0000000002520000-0x00000000025CA000-memory.dmp

    Filesize

    680KB

  • memory/2440-30-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2440-23-0x0000000002520000-0x00000000025CA000-memory.dmp

    Filesize

    680KB

  • memory/2440-22-0x0000000002520000-0x00000000025CA000-memory.dmp

    Filesize

    680KB

  • memory/2440-19-0x0000000002520000-0x00000000025CA000-memory.dmp

    Filesize

    680KB

  • memory/2440-31-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-36-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-33-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-46-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-44-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-79-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-83-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-82-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-81-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-80-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-78-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-77-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-75-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-74-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-72-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-71-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-69-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-68-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-67-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-65-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-64-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-62-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-61-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-59-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-57-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-56-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-54-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-53-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-51-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-49-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-48-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-45-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-76-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-37-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-73-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-70-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-66-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-63-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-60-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-58-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-55-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-52-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-50-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-47-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-43-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-42-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-41-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-40-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-39-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB

  • memory/2440-38-0x00000000026D0000-0x0000000002787000-memory.dmp

    Filesize

    732KB