Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/11/2024, 16:52

General

  • Target

    8fe65f45782eee6a0165bd257450f9f152075e88.exe

  • Size

    212KB

  • MD5

    3dfa1075101f7ed661d72799b0779f27

  • SHA1

    8fe65f45782eee6a0165bd257450f9f152075e88

  • SHA256

    dbd6305b0c0faf3208f3282e7afa40c371e0f08149c7b7c6a7995c0ff93639ae

  • SHA512

    28b7d81819ef15d550592ad60eedbaca87cb2e214a59cc8a164a5acd734c1ab50335709f7b163eb3012a62e1bf4405bc05d0aaa72474c81bc5517d94a021d92b

  • SSDEEP

    6144:RxNqLW6opBZMU/y/JEGjg+op2BSNCCr7/jU:XA6NBT/yEGjWwa7vU

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\8fe65f45782eee6a0165bd257450f9f152075e88.exe
    "C:\Users\Admin\AppData\Local\Temp\8fe65f45782eee6a0165bd257450f9f152075e88.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:1404
    • 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:3860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\I8VKU120\login[1].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\UQ4QVNNE\login[1].htm

    Filesize

    168B

    MD5

    d57e3a550060f85d44a175139ea23021

    SHA1

    2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

    SHA256

    43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

    SHA512

    0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

  • C:\Windows\apppatch\svchost.exe

    Filesize

    212KB

    MD5

    bf964cd7368d692e399bf7fdae9ec86e

    SHA1

    467155e544e125c1ddf08159caaea50dd2b98c5a

    SHA256

    292305b4c3e12c6e1d8ceb9ea605a3df1c801c825211b2f06a7634e35860e2cc

    SHA512

    a806b4d31ae6d1918d5d0306815c8182a2a0e61ce9ec7811773b24d1e0fda8b08c755379243d25d278d86bd8d7b8dbae3b2c516b75378345d09148b429d8cbd9

  • memory/1404-0-0x0000000000650000-0x00000000006A2000-memory.dmp

    Filesize

    328KB

  • memory/1404-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1404-14-0x0000000000650000-0x00000000006A2000-memory.dmp

    Filesize

    328KB

  • memory/1404-16-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1404-13-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

  • memory/3860-15-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

  • memory/3860-17-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

  • memory/3860-18-0x0000000002490000-0x000000000253A000-memory.dmp

    Filesize

    680KB

  • memory/3860-19-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

  • memory/3860-22-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-24-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-20-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-26-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-27-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-73-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-71-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-69-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-63-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-62-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-61-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-60-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-58-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-57-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-56-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-55-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-81-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-80-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-79-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-78-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-77-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-76-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-75-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-74-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-72-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-70-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-68-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-67-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-66-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-65-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-64-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-54-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-53-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-52-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-51-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-50-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-49-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-48-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-47-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-45-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-43-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-44-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-42-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-41-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-40-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-38-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-37-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-36-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-35-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-32-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-34-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-33-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-31-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-30-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-29-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-28-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-59-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-46-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-39-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/3860-25-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB