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Analysis

  • max time kernel
    111s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2024, 02:23

General

  • Target

    53cc0406a804edb81d779df4bf174f6532a96f2b5c547798ed470575643548adN.exe

  • Size

    206KB

  • MD5

    fb4bb12659515f6d9fb3af30a47758a0

  • SHA1

    050e9cfe348bce1b22cbaf9dde435e28961b7573

  • SHA256

    53cc0406a804edb81d779df4bf174f6532a96f2b5c547798ed470575643548ad

  • SHA512

    13128dd231fdc8356fb96b8ebac4c02ff80e1abe32ad3ea25ff6597caab3dabea2b0319edd45748f207c4ff48e84c75e3dd9b1f2bc9ddeb66945bf583349bc48

  • SSDEEP

    6144:7+EqFQ9A9ty5bhJcrs0MurPw/c4hd/B/coyXT3nOGX6T+:7+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

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 9 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 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\53cc0406a804edb81d779df4bf174f6532a96f2b5c547798ed470575643548adN.exe
    "C:\Users\Admin\AppData\Local\Temp\53cc0406a804edb81d779df4bf174f6532a96f2b5c547798ed470575643548adN.exe"
    1⤵
    • Loads dropped DLL
    • 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:2548
    • 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:2940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\M2JEQNAU\login[1].htm

    Filesize

    168B

    MD5

    d57e3a550060f85d44a175139ea23021

    SHA1

    2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

    SHA256

    43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

    SHA512

    0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

  • \Windows\AppPatch\svchost.exe

    Filesize

    206KB

    MD5

    f099a48c428cda32075dec229a61757e

    SHA1

    c74c08a4b8fc58487fb6851c467d3302ca7d0d54

    SHA256

    ca6383d5f158eaf8b808436f8798ba3b667043d44f424c64221903bbec39ced3

    SHA512

    a035da5d9561bb4035f5234bb3827be9426a8390955ac0a5e98144d9cfa4116e316c987d5b30d4582722562d60fb17d728eb75040957e7158a420633d038468a

  • memory/2548-0-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/2548-1-0x0000000000270000-0x00000000002C2000-memory.dmp

    Filesize

    328KB

  • memory/2548-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2548-19-0x0000000000270000-0x00000000002C2000-memory.dmp

    Filesize

    328KB

  • memory/2548-20-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2548-18-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/2940-21-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/2940-22-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/2940-23-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/2940-28-0x0000000002290000-0x000000000233A000-memory.dmp

    Filesize

    680KB

  • memory/2940-26-0x0000000002290000-0x000000000233A000-memory.dmp

    Filesize

    680KB

  • memory/2940-34-0x0000000002290000-0x000000000233A000-memory.dmp

    Filesize

    680KB

  • memory/2940-32-0x0000000002290000-0x000000000233A000-memory.dmp

    Filesize

    680KB

  • memory/2940-35-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/2940-30-0x0000000002290000-0x000000000233A000-memory.dmp

    Filesize

    680KB

  • memory/2940-24-0x0000000002290000-0x000000000233A000-memory.dmp

    Filesize

    680KB

  • memory/2940-36-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-38-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-41-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-46-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-50-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-86-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-85-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-84-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-83-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-81-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-80-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-78-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-77-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-75-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-73-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-72-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-70-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-69-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-68-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-66-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-65-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-64-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-63-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-62-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-61-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-60-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-59-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-58-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-57-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-55-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-54-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-53-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-52-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-51-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-49-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-48-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-47-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-82-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-79-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-45-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-76-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-74-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-71-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-67-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-44-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-56-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-42-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB

  • memory/2940-43-0x0000000002440000-0x00000000024F7000-memory.dmp

    Filesize

    732KB