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Analysis

  • max time kernel
    119s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20/01/2025, 15:10

General

  • Target

    81e353b4d4ed5f98e196b4b20efaeb2a3669a903e8dd0f5c6ccfac2c4b78f104N.exe

  • Size

    208KB

  • MD5

    e72b8c9c6aa8e2f3281993922e263dd0

  • SHA1

    203944333681cb9b53bc16f20f8978df78891abb

  • SHA256

    81e353b4d4ed5f98e196b4b20efaeb2a3669a903e8dd0f5c6ccfac2c4b78f104

  • SHA512

    183f7590acac3e54beda47cabdb73b6ec9c9af2cdba1dac0a3ac606dce4e88a579c22e7827d017141f2395879d9236cea4c96726143d237c0da8ea4d22f34a29

  • SSDEEP

    6144:3ZWia9ubuBsyGvMwlvaB8Mi5vz9IGePA+hq5O:pquCuygMQjd5vJIBP1T

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
  • Loads dropped DLL 2 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 6 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\81e353b4d4ed5f98e196b4b20efaeb2a3669a903e8dd0f5c6ccfac2c4b78f104N.exe
    "C:\Users\Admin\AppData\Local\Temp\81e353b4d4ed5f98e196b4b20efaeb2a3669a903e8dd0f5c6ccfac2c4b78f104N.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:2072
    • 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:1216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\AppPatch\svchost.exe

    Filesize

    208KB

    MD5

    9b7345026ae3702eb04c8ffaf6ce845d

    SHA1

    1468c0fe71a745c3a0ee7d816eb8d03f50924b8d

    SHA256

    f54170eb72e7a5022bf34f6cfc2bbbf63f37b2ee0c83279e667103bb99c66c93

    SHA512

    37d772a76484a31a5cc959414202b84fed85df9a496652f219c049d89d5c6760f21a6a15c169408d965f0bc2d0a28451e05b4099e32cff76d9da7253240d0570

  • memory/1216-71-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-69-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-23-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1216-24-0x0000000000490000-0x000000000053A000-memory.dmp

    Filesize

    680KB

  • memory/1216-42-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-59-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-43-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-34-0x0000000000490000-0x000000000053A000-memory.dmp

    Filesize

    680KB

  • memory/1216-32-0x0000000000490000-0x000000000053A000-memory.dmp

    Filesize

    680KB

  • memory/1216-35-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1216-30-0x0000000000490000-0x000000000053A000-memory.dmp

    Filesize

    680KB

  • memory/1216-28-0x0000000000490000-0x000000000053A000-memory.dmp

    Filesize

    680KB

  • memory/1216-26-0x0000000000490000-0x000000000053A000-memory.dmp

    Filesize

    680KB

  • memory/1216-36-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-40-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-38-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-45-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-56-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-86-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-85-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-84-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-83-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-82-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-81-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-80-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-79-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-78-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-75-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-74-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-73-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-19-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1216-72-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-62-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-22-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1216-68-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-67-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-66-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-65-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-64-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-63-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-70-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-61-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-60-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-58-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-57-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-55-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-54-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-53-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-52-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-51-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-50-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-49-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-48-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-47-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-46-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-44-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-77-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/1216-76-0x00000000023E0000-0x0000000002497000-memory.dmp

    Filesize

    732KB

  • memory/2072-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2072-1-0x0000000000500000-0x0000000000552000-memory.dmp

    Filesize

    328KB

  • memory/2072-0-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/2072-18-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/2072-21-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2072-20-0x0000000000500000-0x0000000000552000-memory.dmp

    Filesize

    328KB