Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2024 00:32

General

  • Target

    757192e9a216b31e048629f52836ef9d1be816100c1bc2302b0e7cb4d9eb4cbb.exe

  • Size

    686KB

  • MD5

    41c31496673aea407cff26affb85474e

  • SHA1

    b5aab9914abf40b12da28b2b06c7b245fe384217

  • SHA256

    757192e9a216b31e048629f52836ef9d1be816100c1bc2302b0e7cb4d9eb4cbb

  • SHA512

    c6c8723c420ed59d1edd29af44d3563a9c07efe56b61db6c7e67ee19643ce76b9826f7336ff19704874b1152b235e67e8a6df7c1011462ee9430a6ecb5eb1cfe

  • SSDEEP

    12288:vmWhND9yJz+b1FcMLmp2ATTSsdApVHyGbs2CYPHrLpVmCbHDSgp:vmUNJyJqb1FcMap2ATT5itjCYZ3DSo

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Simda family
  • simda

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies WinLogon 2 TTPs 2 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\757192e9a216b31e048629f52836ef9d1be816100c1bc2302b0e7cb4d9eb4cbb.exe
    "C:\Users\Admin\AppData\Local\Temp\757192e9a216b31e048629f52836ef9d1be816100c1bc2302b0e7cb4d9eb4cbb.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\8FE9.tmp

    Filesize

    24KB

    MD5

    7cf04f9a05eb150abdb7e0807b66f4af

    SHA1

    ba690276a92d610d3b3b662fef9dc585d7ec4ed1

    SHA256

    113be64d1b563a65a381195ebc98153a97b464522a09b8db70f63c8645b51f57

    SHA512

    ab136d4bc5d27ca2768255a1eb27341ff6b94ead891fce7e0f44a84845d5d4a679b96dfbc20bd90ce54ad252ce4efe5af0915e76c98ed77cdb132aa68be281ac

  • C:\Users\Admin\AppData\Local\Temp\EB45.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • \Windows\AppPatch\svchost.exe

    Filesize

    686KB

    MD5

    3ce5d3f1285d44d554abdca7be445003

    SHA1

    399172507dced3b1991c78def7d02b3a605b986f

    SHA256

    08d096141b99f9d7ba700122c8d57a45d8232e88fc5de49464034d3857aff5bd

    SHA512

    23d41d46bb7071b7ec47791937c0ab837385b863b6e50d10dcb65bbbb639644cce98d8f6129e48e6c98c01172dbe1c2a08b513ca42846592ea2c527d4db97fd1

  • memory/1712-14-0x00000000004C0000-0x0000000000568000-memory.dmp

    Filesize

    672KB

  • memory/1712-24-0x00000000004C0000-0x0000000000568000-memory.dmp

    Filesize

    672KB

  • memory/1712-22-0x00000000004C0000-0x0000000000568000-memory.dmp

    Filesize

    672KB

  • memory/1712-20-0x00000000004C0000-0x0000000000568000-memory.dmp

    Filesize

    672KB

  • memory/1712-18-0x00000000004C0000-0x0000000000568000-memory.dmp

    Filesize

    672KB

  • memory/1712-16-0x00000000004C0000-0x0000000000568000-memory.dmp

    Filesize

    672KB

  • memory/1712-30-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-28-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-27-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-38-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-39-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-78-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-76-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-75-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-74-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-73-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-72-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-71-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-70-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-69-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-68-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-67-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-66-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-65-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-64-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-63-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-61-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-60-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-59-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-58-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-57-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-56-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-55-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-54-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-53-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-52-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-51-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-49-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-48-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-47-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-46-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-45-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-44-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-43-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-42-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-41-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-40-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-77-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-37-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-62-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-36-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-35-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-50-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-34-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-33-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-32-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/1712-204-0x0000000002160000-0x0000000002216000-memory.dmp

    Filesize

    728KB

  • memory/2368-13-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB