Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 21:19

General

  • Target

    d39bde976bc16d8a1b98272b80ee0f45bc169cb014a0418a7d2da6c4c0400281N.exe

  • Size

    206KB

  • MD5

    b31c15782e5884493f92ecbcdb0b3210

  • SHA1

    a83d0145c745313f2a157510a5eb5be10f46c0c0

  • SHA256

    d39bde976bc16d8a1b98272b80ee0f45bc169cb014a0418a7d2da6c4c0400281

  • SHA512

    804b792a7f82935c4a47d9d6ad38859d4fe4876d65e45afcd5e3f29f3a9de622ae3125701056d28098b1023d0fec1d1e7a16849ac7d29530e3198340c6b3c865

  • SSDEEP

    6144:A+EqFQ9A9ty5bhJcrs0MurPw/c4hd/B/coyXT3nOGX6T+:A+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 14 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\d39bde976bc16d8a1b98272b80ee0f45bc169cb014a0418a7d2da6c4c0400281N.exe
    "C:\Users\Admin\AppData\Local\Temp\d39bde976bc16d8a1b98272b80ee0f45bc169cb014a0418a7d2da6c4c0400281N.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:748
    • 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:3752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\2SO4U1MH\login[1].htm

    Filesize

    168B

    MD5

    d57e3a550060f85d44a175139ea23021

    SHA1

    2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

    SHA256

    43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

    SHA512

    0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

  • C:\Windows\apppatch\svchost.exe

    Filesize

    206KB

    MD5

    dc4e799cabcfa198c4645fd95ebf74cf

    SHA1

    15c7d1c8d66a2721a91d77e236ffff09940b81a3

    SHA256

    e662737c3e54d101424baf512c04ceeb08b3f550d60e3f09496886f4d0a54f6c

    SHA512

    5db094c811ebf7d7e0b05c72cabe7410dd33c4b9fa4a57377f9d82bbec725f4ad4488e2104926f87456210a57c9dfb7c49c16982b6fde6a5c800ff12e0bbdaa3

  • memory/748-0-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/748-1-0x0000000002910000-0x0000000002962000-memory.dmp

    Filesize

    328KB

  • memory/748-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/748-17-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/748-16-0x0000000002910000-0x0000000002962000-memory.dmp

    Filesize

    328KB

  • memory/748-14-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/3752-15-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/3752-18-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/3752-19-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/3752-20-0x0000000002E00000-0x0000000002EAA000-memory.dmp

    Filesize

    680KB

  • memory/3752-21-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/3752-22-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-26-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-24-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-28-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-27-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-34-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-81-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-80-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-79-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-78-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-77-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-76-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-75-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-73-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-72-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-70-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-69-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-67-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-66-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-65-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-64-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-63-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-62-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-61-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-60-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-59-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-58-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-57-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-56-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-55-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-54-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-52-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-51-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-50-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-49-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-48-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-47-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-46-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-45-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-44-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-43-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-42-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-41-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-40-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-39-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-37-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-35-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-33-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-32-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-31-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-30-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-29-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-74-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-71-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-68-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-53-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-38-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB

  • memory/3752-36-0x0000000002FB0000-0x0000000003067000-memory.dmp

    Filesize

    732KB