Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2024 01:31

General

  • Target

    c6c5b6f4c522f4b545c92e64a87464ad08b7c050be4bd2e014f0989b9c273857.exe

  • Size

    208KB

  • MD5

    e2832d5706ead3c58ab025c008dd5577

  • SHA1

    4b47871092c958254fe545bf16425f0335f86035

  • SHA256

    c6c5b6f4c522f4b545c92e64a87464ad08b7c050be4bd2e014f0989b9c273857

  • SHA512

    7c67cfd8a9145f24ff46b9771162e30354d897e04ea670208e63575e01e4058ff8ccff77bfc42acbb7e6c9cc603c1337233e1a298e32eb55621b32fe5b99e66f

  • SSDEEP

    6144:gZWia9ubuBsyGvMwlvaB8Mi5vz9IGePA+hq5O:uquCuygMQjd5vJIBP1T

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 15 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\c6c5b6f4c522f4b545c92e64a87464ad08b7c050be4bd2e014f0989b9c273857.exe
    "C:\Users\Admin\AppData\Local\Temp\c6c5b6f4c522f4b545c92e64a87464ad08b7c050be4bd2e014f0989b9c273857.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:2060
    • 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:1104

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\A8RIEV1Q\login[1].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • \Windows\AppPatch\svchost.exe

    Filesize

    208KB

    MD5

    35b8bce574d537dc61b4ffdf6f852e32

    SHA1

    3292c4b802216f3af7f578db11f0a9316cc9b568

    SHA256

    00db100cb7240591160d130b8454071b4e62ea2dc6f195e30d7da7bb235f4f60

    SHA512

    056bce8f069fb589083aaa9e1deab783785175d82fedffbd581a5b315a562eaafe479ec3e0021a7b8d120be1ae32c419726634d8571f6f65c2d5b5ddfbc48394

  • memory/1104-72-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-42-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-32-0x0000000000490000-0x000000000053A000-memory.dmp

    Filesize

    680KB

  • memory/1104-19-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1104-50-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-71-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-66-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-34-0x0000000000490000-0x000000000053A000-memory.dmp

    Filesize

    680KB

  • memory/1104-30-0x0000000000490000-0x000000000053A000-memory.dmp

    Filesize

    680KB

  • memory/1104-35-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1104-70-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-26-0x0000000000490000-0x000000000053A000-memory.dmp

    Filesize

    680KB

  • memory/1104-24-0x0000000000490000-0x000000000053A000-memory.dmp

    Filesize

    680KB

  • memory/1104-36-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-38-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-40-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-51-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-86-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-85-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-84-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-83-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-81-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-80-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-79-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-78-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-77-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-76-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-75-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-74-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-73-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-18-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1104-23-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1104-28-0x0000000000490000-0x000000000053A000-memory.dmp

    Filesize

    680KB

  • memory/1104-69-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-68-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-67-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-65-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-64-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-63-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-62-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-61-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-60-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-59-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-58-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-57-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-56-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-55-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-54-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-53-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-52-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-49-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-45-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-48-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-47-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-46-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-82-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-44-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/1104-43-0x00000000023F0000-0x00000000024A7000-memory.dmp

    Filesize

    732KB

  • memory/2060-20-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/2060-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2060-1-0x0000000000230000-0x0000000000282000-memory.dmp

    Filesize

    328KB

  • memory/2060-0-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/2060-21-0x0000000000230000-0x0000000000282000-memory.dmp

    Filesize

    328KB

  • memory/2060-22-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB