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Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/12/2024, 07:03

General

  • Target

    cc45dbb7f631a1f46ba6aba69e3b8ff37e4ac1e30725c2f365fdcf6990caf492N.exe

  • Size

    206KB

  • MD5

    a6b8a0ffc8d538ce2de9f65877a181f0

  • SHA1

    69b9dd9f2b5ce2a06a5d2a9287a38c62783cb104

  • SHA256

    cc45dbb7f631a1f46ba6aba69e3b8ff37e4ac1e30725c2f365fdcf6990caf492

  • SHA512

    687d158531d35c43e88c2461dbe179346362d5a95d141a94dd9b4c66aa1df2da09fe4370a97f4f6464081f74a4a54aca51249ae99cf7e14e1cdc679da26a6564

  • SSDEEP

    6144:Su6ABIdHMnMMYGlPtFYmeiGLaMt8ApYUBvNdP4y2:SuLIHMhPtFvei8aM2Aa8N+y2

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 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\cc45dbb7f631a1f46ba6aba69e3b8ff37e4ac1e30725c2f365fdcf6990caf492N.exe
    "C:\Users\Admin\AppData\Local\Temp\cc45dbb7f631a1f46ba6aba69e3b8ff37e4ac1e30725c2f365fdcf6990caf492N.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:2324
    • 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:604

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\DI0PF0E0\login[1].htm

    Filesize

    168B

    MD5

    d57e3a550060f85d44a175139ea23021

    SHA1

    2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

    SHA256

    43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

    SHA512

    0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    206KB

    MD5

    b88ac4de57725e3610a3a997418c7d2d

    SHA1

    26e06fcf9c95ce7fee2a710698542ab6a856ce19

    SHA256

    21a97583c24ffa561ddafe93cbbcbc29eb0ff94a9a26b294c25a33eda256bf4d

    SHA512

    2c6c8f128eec6b9d140c97c84262937324a6505904326b12b05fddbddfa6ac0019584f48b22567af8cef87f500958ae141ecae76f3a58f32ac1e0841c89f2b6c

  • memory/604-68-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-64-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-24-0x00000000020A0000-0x000000000214A000-memory.dmp

    Filesize

    680KB

  • memory/604-20-0x0000000000400000-0x0000000000492000-memory.dmp

    Filesize

    584KB

  • memory/604-49-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-42-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-43-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-34-0x00000000020A0000-0x000000000214A000-memory.dmp

    Filesize

    680KB

  • memory/604-35-0x0000000000400000-0x0000000000492000-memory.dmp

    Filesize

    584KB

  • memory/604-32-0x00000000020A0000-0x000000000214A000-memory.dmp

    Filesize

    680KB

  • memory/604-30-0x00000000020A0000-0x000000000214A000-memory.dmp

    Filesize

    680KB

  • memory/604-28-0x00000000020A0000-0x000000000214A000-memory.dmp

    Filesize

    680KB

  • memory/604-27-0x00000000020A0000-0x000000000214A000-memory.dmp

    Filesize

    680KB

  • memory/604-36-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-40-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-38-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-47-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-85-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-84-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-83-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-82-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-80-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-79-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-78-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-76-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-74-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-73-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-72-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-71-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-69-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-23-0x0000000000400000-0x0000000000492000-memory.dmp

    Filesize

    584KB

  • memory/604-22-0x0000000000400000-0x0000000000492000-memory.dmp

    Filesize

    584KB

  • memory/604-55-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-67-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-63-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-62-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-61-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-59-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-57-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-56-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-66-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-54-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-53-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-52-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-51-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-50-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-48-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-86-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-81-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-77-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-75-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-46-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-70-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-45-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-65-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-44-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-60-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/604-58-0x00000000021C0000-0x0000000002277000-memory.dmp

    Filesize

    732KB

  • memory/2324-21-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2324-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2324-0-0x0000000000400000-0x0000000000492000-memory.dmp

    Filesize

    584KB

  • memory/2324-1-0x00000000002A0000-0x00000000002F2000-memory.dmp

    Filesize

    328KB

  • memory/2324-18-0x0000000000400000-0x0000000000492000-memory.dmp

    Filesize

    584KB

  • memory/2324-19-0x00000000002A0000-0x00000000002F2000-memory.dmp

    Filesize

    328KB