Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 13:58

General

  • Target

    3695633dfb15a23fa5ea08d1e0ca81ad01ea44fad3680103982376a3b8f3495bN.exe

  • Size

    208KB

  • MD5

    2a4adeafe1155136df6606726e894db0

  • SHA1

    4242eafd1566c75190c4444bf7ebdf22576188bf

  • SHA256

    3695633dfb15a23fa5ea08d1e0ca81ad01ea44fad3680103982376a3b8f3495b

  • SHA512

    a1c9bc3e348dbc84c0ae1b6f2eda59da5334e46f5b9b1a634680f3d8a0f27001ea11dcb80dd9c63375a36d5abc9642ada74ed527012885b859202c1690825fef

  • SSDEEP

    6144:HZWia9ubuBsyGvMwlvaB8Mi5vz9IGePA+hq56:5quCuygMQjd5vJIBP1p

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
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 16 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 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3695633dfb15a23fa5ea08d1e0ca81ad01ea44fad3680103982376a3b8f3495bN.exe
    "C:\Users\Admin\AppData\Local\Temp\3695633dfb15a23fa5ea08d1e0ca81ad01ea44fad3680103982376a3b8f3495bN.exe"
    1⤵
    • 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:3352
    • 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:4888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\HRJTIVIO\login[1].htm

    Filesize

    168B

    MD5

    d57e3a550060f85d44a175139ea23021

    SHA1

    2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

    SHA256

    43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

    SHA512

    0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\WANK53LB\login[2].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • C:\Windows\apppatch\svchost.exe

    Filesize

    208KB

    MD5

    c82c3825d95fb44cfd1d47ddf8431bf9

    SHA1

    fc40a2a12b2f9f0264a97f4e31a3ff323930a564

    SHA256

    6c542971b397c173f9d962dbb320ca32131c9950123a347d4051bb1520fba564

    SHA512

    60c048f8f81dcd8eb58eab8b349febce069da6a0af38c610bff8389e6622bc23d6bbb348d5dc2062e005073607f6e6593ddbfcd506143477454b5008ea447e96

  • memory/3352-0-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/3352-1-0x00000000021F0000-0x0000000002242000-memory.dmp

    Filesize

    328KB

  • memory/3352-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/3352-18-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/3352-17-0x00000000021F0000-0x0000000002242000-memory.dmp

    Filesize

    328KB

  • memory/3352-16-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/4888-61-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-56-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-19-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/4888-20-0x0000000002470000-0x000000000251A000-memory.dmp

    Filesize

    680KB

  • memory/4888-21-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/4888-22-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-25-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-26-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-43-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-46-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-81-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-80-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-79-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-78-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-76-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-75-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-74-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-73-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-72-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-71-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-70-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-69-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-68-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-67-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-66-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-64-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-63-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-14-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/4888-60-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-59-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-57-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-15-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/4888-55-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-53-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-52-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-50-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-49-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-48-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-47-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-45-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-44-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-42-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-41-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-40-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-39-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-38-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-37-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-36-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-35-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-34-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-33-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-31-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-29-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-30-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-28-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-77-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-65-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-62-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-58-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-54-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-51-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-32-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/4888-27-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB