Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/11/2024, 01:14

General

  • Target

    889c3d30f941a18fe13d52b7a7f22695beaba788f898d98489b3634ccd63f560.exe

  • Size

    208KB

  • MD5

    5e67162a7ed294ac3bc259288d922666

  • SHA1

    d8ec30343069d3cdef404e2afd80993f94a7e850

  • SHA256

    889c3d30f941a18fe13d52b7a7f22695beaba788f898d98489b3634ccd63f560

  • SHA512

    d13a46f87d2e6b60fb06e115a9327a6e5c5a337921a2f6bfb9518c2e9a2a97efdbf434d8963a97c1523e3acb34cd105eb4a83db5e55de6abd4de0353269ad080

  • SSDEEP

    6144:PZWia9ubuBsyGvMwlvaB8Mi5vz9IGePA+hq5:hquCuygMQjd5vJIBP1

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
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 19 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 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\889c3d30f941a18fe13d52b7a7f22695beaba788f898d98489b3634ccd63f560.exe
    "C:\Users\Admin\AppData\Local\Temp\889c3d30f941a18fe13d52b7a7f22695beaba788f898d98489b3634ccd63f560.exe"
    1⤵
    • 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:4700
    • 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:1344

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\WGMU7V0F\login[1].htm

    Filesize

    168B

    MD5

    d57e3a550060f85d44a175139ea23021

    SHA1

    2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

    SHA256

    43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

    SHA512

    0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\X04CW8KT\login[2].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • C:\Windows\apppatch\svchost.exe

    Filesize

    208KB

    MD5

    9abc0a220ab21d0e2134a54a1434a58c

    SHA1

    cd8cd92eb7af466ff28c4588d33b8a78cc617416

    SHA256

    7fca50ad227d36727e9c5356dd7a76b9d31b8aea5417b6f7aa667616fabb3728

    SHA512

    15175ec4eda0f168e1cdcb0bf7dd1ab8cc4dca8dfcfda2ce87955699c59753d687f2a1468d2f051b006551ff4fe2625b0542c81cedcdf6c3de2c4da28f288701

  • memory/1344-57-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-55-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-14-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1344-15-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1344-27-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-33-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-21-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1344-22-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-24-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-26-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-67-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-71-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-81-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-79-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-78-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-77-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-76-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-75-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-74-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-73-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-72-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-70-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-69-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-68-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-66-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-65-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-64-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-63-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-62-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-61-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-60-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-59-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-58-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-54-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-20-0x0000000002A40000-0x0000000002AEA000-memory.dmp

    Filesize

    680KB

  • memory/1344-56-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-19-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1344-53-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-51-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-50-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-49-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-48-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-47-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-46-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-45-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-44-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-43-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-42-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-41-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-40-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-39-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-38-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-35-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-34-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-32-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-31-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-30-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-29-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-28-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-80-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-52-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-37-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/1344-36-0x0000000002BF0000-0x0000000002CA7000-memory.dmp

    Filesize

    732KB

  • memory/4700-17-0x00000000021D0000-0x0000000002222000-memory.dmp

    Filesize

    328KB

  • memory/4700-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/4700-1-0x00000000021D0000-0x0000000002222000-memory.dmp

    Filesize

    328KB

  • memory/4700-0-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/4700-18-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/4700-16-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB