Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/01/2025, 21:08

General

  • Target
    JaffaCakes118_62008047a46ce22d4e0b1c5d7eda6acb.exe
  • Size 211KB
  • Sample250115-zzdfnsvmcy
  • SHA256 2739b7020e77dc33431a224e2722ad0a95fc9a77bf96e1855fc86d17f1f55ce7
  • MD5 SHA1 SHA512 SSDEEP

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
  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62008047a46ce22d4e0b1c5d7eda6acb.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62008047a46ce22d4e0b1c5d7eda6acb.exe"
    1⤵
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:5092
    • 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:1736

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        login[2].htm

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9PMCFZKU\login[2].htm
        • Size 162B
        • SHA256 9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
        • MD5 SHA1 SHA512

        login[3].htm

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9PMCFZKU\login[3].htm
        • Size 168B
        • SHA256 43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c
        • MD5 SHA1 SHA512

        2617.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\2617.tmp
        • Size 12KB
        • SHA256 117ea4f0f411e1aaeab307c087a57678abcba7e6aa96a5bd1f2d5d7026d453a0
        • MD5 SHA1 SHA512 SSDEEP

        2617.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\2617.tmp
        • Size 12KB
        • SHA256 42ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
        • MD5 SHA1 SHA512 SSDEEP

        3F82.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\3F82.tmp
        • Size 61KB
        • SHA256 bd21ed945b66c2db42ab59de4f09b7d92b1abf808246dec1f661787683f437a4
        • MD5 SHA1 SHA512 SSDEEP

        3FB4.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\3FB4.tmp
        • Size 24KB
        • SHA256 ce66c8a26c9743cd4445682cc975ddf9c7eb9b61518e83d2a42c6bf9fed356da
        • MD5 SHA1 SHA512 SSDEEP

        634D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\634D.tmp
        • Size 593B
        • SHA256 7392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30
        • MD5 SHA1 SHA512

        634D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\634D.tmp
        • Size 593B
        • SHA256 b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
        • MD5 SHA1 SHA512

        713D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\713D.tmp
        • Size 24KB
        • SHA256 9ab1956124c0aed2a7bbffafd93e32fb64304984a50f0d7705095c94fdb2e6f0
        • MD5 SHA1 SHA512 SSDEEP

        715F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\715F.tmp
        • Size 61KB
        • SHA256 422539b9a5745425346e376b1318041874a67038bd8203463b1dec3ec2ef8973
        • MD5 SHA1 SHA512 SSDEEP

        svchost.exe

        • Path C:\Windows\apppatch\svchost.exe
        • Size 211KB
        • SHA256 43e0223114c35d44167c5893ce5ef6e6e816095b4c94c1b68f9e651f8fe6485a
        • MD5 SHA1 SHA512 SSDEEP

        memory/1736-51-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-44-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-31-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-79-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-78-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-77-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-76-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-75-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-74-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-72-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-71-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-70-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-69-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-68-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-67-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-66-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-65-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-64-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-63-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-62-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-61-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-60-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-59-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-57-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-56-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-55-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-54-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-53-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-52-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-20-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-50-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-49-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-47-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-46-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-45-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-25-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-43-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-42-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-41-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-40-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-39-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-38-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-37-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-35-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-34-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-32-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-30-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-29-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-28-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-27-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-26-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-73-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-58-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-48-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-36-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-33-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-22-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-24-0x00000000032F0000-0x00000000033A6000-memory.dmp

        memory/1736-19-0x0000000000400000-0x00000000005B8000-memory.dmp

        memory/1736-13-0x0000000000400000-0x00000000005B8000-memory.dmp

        memory/1736-12-0x0000000000400000-0x00000000005B8000-memory.dmp

        memory/1736-17-0x0000000000400000-0x00000000005B8000-memory.dmp

        memory/1736-18-0x0000000003140000-0x00000000031E8000-memory.dmp

        memory/5092-0-0x0000000000400000-0x00000000005B8000-memory.dmp

        memory/5092-1-0x0000000002350000-0x00000000023A1000-memory.dmp

        memory/5092-2-0x0000000000400000-0x000000000045F000-memory.dmp

        memory/5092-16-0x0000000000400000-0x000000000045F000-memory.dmp

        memory/5092-15-0x0000000002350000-0x00000000023A1000-memory.dmp

        memory/5092-14-0x0000000000400000-0x00000000005B8000-memory.dmp