Analysis

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

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 06:25

General

  • Target

    89f49224bffc6e85a3abc7fbabaeb326eeef2b4b782c29023aa2d3e53545ac1a.exe

  • Size

    212KB

  • MD5

    40eafadec58ed6c0ed9b7f89afafed14

  • SHA1

    f3ea12184329ea7bb80b662433bab9b2095702a4

  • SHA256

    89f49224bffc6e85a3abc7fbabaeb326eeef2b4b782c29023aa2d3e53545ac1a

  • SHA512

    6b55ed947f4e3097dda94c5d9d9bd5df0f130f60a1500af34e31a031fdc38a23bd72c02e093fb9e88b33210e075e6de1e58b16116d80180f43e6db4cff20338f

  • SSDEEP

    3072:CGwPsm1VrwxOsf0juzv8j4P1Hr6krr4IEhx9QZe2gO9mG9UHA30Vt3E/vDjb8:CG/iVkO20SFgBhxtW9mG9+Umt3Ezjb8

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\89f49224bffc6e85a3abc7fbabaeb326eeef2b4b782c29023aa2d3e53545ac1a.exe
    "C:\Users\Admin\AppData\Local\Temp\89f49224bffc6e85a3abc7fbabaeb326eeef2b4b782c29023aa2d3e53545ac1a.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:1528
    • 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:2564

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\18F5.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\5D0.tmp

    Filesize

    12KB

    MD5

    caa300673c11a7627a7b6346e1a93b61

    SHA1

    7ecaf36f1e150c478b6cfc3446ec7f0c662c071a

    SHA256

    42ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa

    SHA512

    f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6

  • \Windows\AppPatch\svchost.exe

    Filesize

    212KB

    MD5

    bd4237b37791dfee382d7d9d371a853b

    SHA1

    f988ce374cbe265508d1c57d0ff9ed70b5c0c4b1

    SHA256

    04192fe9b02d2b43258e9cdbedf8e015577e9f0fe560d207ca5dd161a297d400

    SHA512

    15e6c80b25e02a5ecd44ee4553858b8cb4128ac13bba3a628a3fe6a554ce6558b55135720bd0eecdddfcc0e3216aea05bacc35e5190ae1c19472af86f00eff88

  • memory/1528-0-0x0000000000400000-0x00000000005B8000-memory.dmp

    Filesize

    1.7MB

  • memory/1528-1-0x0000000000330000-0x0000000000381000-memory.dmp

    Filesize

    324KB

  • memory/1528-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1528-19-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1528-18-0x0000000000330000-0x0000000000381000-memory.dmp

    Filesize

    324KB

  • memory/1528-17-0x0000000000400000-0x00000000005B8000-memory.dmp

    Filesize

    1.7MB

  • memory/2564-16-0x0000000000400000-0x00000000005B8000-memory.dmp

    Filesize

    1.7MB

  • memory/2564-20-0x0000000000400000-0x00000000005B8000-memory.dmp

    Filesize

    1.7MB

  • memory/2564-21-0x0000000000400000-0x00000000005B8000-memory.dmp

    Filesize

    1.7MB

  • memory/2564-22-0x0000000000610000-0x00000000006B8000-memory.dmp

    Filesize

    672KB

  • memory/2564-32-0x0000000000610000-0x00000000006B8000-memory.dmp

    Filesize

    672KB

  • memory/2564-30-0x0000000000610000-0x00000000006B8000-memory.dmp

    Filesize

    672KB

  • memory/2564-33-0x0000000000400000-0x00000000005B8000-memory.dmp

    Filesize

    1.7MB

  • memory/2564-28-0x0000000000610000-0x00000000006B8000-memory.dmp

    Filesize

    672KB

  • memory/2564-26-0x0000000000610000-0x00000000006B8000-memory.dmp

    Filesize

    672KB

  • memory/2564-24-0x0000000000610000-0x00000000006B8000-memory.dmp

    Filesize

    672KB

  • memory/2564-34-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-38-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-36-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-47-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-84-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-83-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-82-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-81-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-80-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-79-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-78-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-77-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-76-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-75-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-74-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-73-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-72-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-71-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-70-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-69-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-67-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-66-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-65-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-64-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-63-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-62-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-61-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-60-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-59-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-58-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-57-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-56-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-55-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-54-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-53-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-52-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-51-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-50-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-49-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-48-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-46-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-45-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-68-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-44-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-43-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-42-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-40-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB

  • memory/2564-41-0x00000000025F0000-0x00000000026A6000-memory.dmp

    Filesize

    728KB