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
    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
  • 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 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\fd19c2eb7e57fe61570c6e7c91e23368ce4c217f7d70051c406e9b4b16bd52e4.exe
    "C:\Users\Admin\AppData\Local\Temp\fd19c2eb7e57fe61570c6e7c91e23368ce4c217f7d70051c406e9b4b16bd52e4.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:64
    • 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:852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\3KJS8BA1\login[1].htm

    Filesize

    168B

    MD5

    d57e3a550060f85d44a175139ea23021

    SHA1

    2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

    SHA256

    43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

    SHA512

    0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

  • C:\Windows\apppatch\svchost.exe

    Filesize

    217KB

    MD5

    a5a3d9e9c3fb59b576b1d24318e5f5c7

    SHA1

    a497b2a108cb183e4238c1f1b39079755f89acb3

    SHA256

    a3af545fa8e71126210a1e049e5eaa69e90c24ac4ba12c498f8df82bc5eb53e4

    SHA512

    01fd5c060cf82fcce7a34bbb917b05865c812f707195056a9b32e67d9110a05206df58d1ce7bd01fbe40551449e371f015bdae1f91792888178eda03dd5f9844

  • memory/64-0-0x0000000002210000-0x0000000002213000-memory.dmp

    Filesize

    12KB

  • memory/64-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/64-15-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/64-13-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/64-14-0x0000000002210000-0x0000000002213000-memory.dmp

    Filesize

    12KB

  • memory/852-16-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/852-17-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/852-19-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/852-18-0x0000000002B30000-0x0000000002BDA000-memory.dmp

    Filesize

    680KB

  • memory/852-22-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-20-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-24-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-70-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-73-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-80-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-78-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-77-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-76-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-75-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-74-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-72-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-71-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-69-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-68-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-67-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-66-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-65-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-64-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-63-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-62-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-61-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-59-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-58-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-55-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-56-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-54-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-53-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-52-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-51-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-50-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-49-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-47-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-46-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-45-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-44-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-43-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-42-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-40-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-39-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-38-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-37-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-36-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-35-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-34-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-29-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-32-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-31-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-30-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-28-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-27-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-26-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-81-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-79-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-60-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-57-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-48-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-41-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-33-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/852-25-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB