Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 02:29

General

  • Target

    b169975501d8c9a3389bbd83876b6215e5a8e9c00cc9a540049c07e5c220937c.exe

  • Size

    206KB

  • MD5

    4684b0b9a59c02a58858c294b9a1f78c

  • SHA1

    a454badfe95eb488d54c30840ffc5451be859f2b

  • SHA256

    b169975501d8c9a3389bbd83876b6215e5a8e9c00cc9a540049c07e5c220937c

  • SHA512

    63a8586a8865a3c359deca6442b6ed3bc5b067145dda94ac8194aa9f374371eb58faa2d96952d42eb62a53b6c77284c0e70c917fd4cd4f26b5a381f36dd2a65d

  • SSDEEP

    6144:P+EqFQ9A9ty5bhJcrs0MurPw/c4hd/B/coyXT3nOGX6T+:P+U9qyFhJy56d/eoyXjn9W+

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 16 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\b169975501d8c9a3389bbd83876b6215e5a8e9c00cc9a540049c07e5c220937c.exe
    "C:\Users\Admin\AppData\Local\Temp\b169975501d8c9a3389bbd83876b6215e5a8e9c00cc9a540049c07e5c220937c.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:1840
    • 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:2800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\465TXYMU\login[1].htm

    Filesize

    168B

    MD5

    d57e3a550060f85d44a175139ea23021

    SHA1

    2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

    SHA256

    43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

    SHA512

    0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\Q1AQJVNY\login[1].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • C:\Windows\apppatch\svchost.exe

    Filesize

    206KB

    MD5

    9d755c0fab65dbaebf6fd5b133eb8439

    SHA1

    8f0e124502d8b9616d4d1a2804881fbabb1ce45a

    SHA256

    0c5734ca50366c67272a4e56b5e58bd30d885e14f98eb6a5dfe52533c26d3120

    SHA512

    4a1bf6a7526dcf872fd64dcf8d0a77f4146e859c4f5d3b92ef077a51925848ce93f2d2b30cd4a0a692fb58875ced2557f78629eac0b5efc05f737898bb488587

  • memory/1840-0-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/1840-1-0x0000000002230000-0x0000000002282000-memory.dmp

    Filesize

    328KB

  • memory/1840-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1840-16-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/1840-18-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1840-17-0x0000000002230000-0x0000000002282000-memory.dmp

    Filesize

    328KB

  • memory/2800-15-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/2800-14-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/2800-19-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/2800-20-0x0000000002DA0000-0x0000000002E4A000-memory.dmp

    Filesize

    680KB

  • memory/2800-21-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/2800-22-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-26-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-24-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-31-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-33-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-77-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-81-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-80-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-79-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-78-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-76-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-75-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-74-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-73-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-72-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-70-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-69-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-68-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-67-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-66-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-65-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-64-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-63-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-62-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-61-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-60-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-59-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-57-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-55-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-56-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-54-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-53-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-52-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-51-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-50-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-49-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-48-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-47-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-46-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-45-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-44-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-43-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-42-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-41-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-38-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-37-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-36-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-35-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-34-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-32-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-30-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-29-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-28-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-71-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-58-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-40-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-39-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB

  • memory/2800-27-0x0000000002F90000-0x0000000003047000-memory.dmp

    Filesize

    732KB