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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11/12/2024, 04:13

General

  • Target

    d228478b4a7d4be4b7722ad4b26db7b4f91c4a43b95f7ce50fe78c8de1326d1d.exe

  • Size

    218KB

  • MD5

    f2437ad30eaf2d9975445e730422d4f7

  • SHA1

    d4f04ab630f74943707615d701683e5f8c1292a7

  • SHA256

    d228478b4a7d4be4b7722ad4b26db7b4f91c4a43b95f7ce50fe78c8de1326d1d

  • SHA512

    137fd05dbcc2e1bfdbfb5de2fd2e95f061614115606a45a607b8b41bc79c70dc48e1bf7ded45a2bea742dc3a7dfc4675969f3f02ce0a493e1e9cd44851626f7a

  • SSDEEP

    3072:Yvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:W1SyAJp6rjn1gOObn4b6h9h

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\d228478b4a7d4be4b7722ad4b26db7b4f91c4a43b95f7ce50fe78c8de1326d1d.exe
    "C:\Users\Admin\AppData\Local\Temp\d228478b4a7d4be4b7722ad4b26db7b4f91c4a43b95f7ce50fe78c8de1326d1d.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:1904
    • 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:2792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3E7B.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\F067.tmp

    Filesize

    1KB

    MD5

    bdba1841b87b6c57f463cb47990eea8f

    SHA1

    a164beb80aa864dba7ff48a82612f392e0cfa3a9

    SHA256

    76f5c241eed3ef6552fdcd9b5bfd79f22d463fbdac7f894572846b1f012c8cfd

    SHA512

    a0525ce726949741cf9e1d4ce26086b08171d20214b4b318d8366a072f786066e6475df5f09e997f5edac13aecba8f140c134947a57c07eb445ad6a3bd06bfa7

  • C:\Users\Admin\AppData\Local\Temp\F0B9.tmp

    Filesize

    24KB

    MD5

    61f372aa5ac6c28832383febd57ed5d2

    SHA1

    8abfdd5256e9c4c60eb5f1bafdac9d3d2d544b78

    SHA256

    4bcb20aa42ef60ccb58848756eb1cc0fc4f6d56f6460c2833c8bb820d7149dc3

    SHA512

    69b7e53f36a18e45995bb48cf1fa02ccb090519e0c7388826234ab0f2101e736fdeacb5bf5978c5a7457ec5e646e87755285f837dea923aa032c81746515eda7

  • C:\Users\Admin\AppData\Local\Temp\F11D.tmp

    Filesize

    42KB

    MD5

    7664d5797d9056a47ad5aa42e1974e74

    SHA1

    0e79729aa5f45327c6224c5a1e591ab2e775d132

    SHA256

    293e9256cc3429b62e8882e67e21ec49d99086ef2cb6c0e8267e4ea89e356460

    SHA512

    4dc03954b9866c1c474f0651588ded112788352aca413d32ddc846524c222caa8d8998adb58cfa64a9bbfa8b8da5e20af1e5873bc814a85ab577022627600f90

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    218KB

    MD5

    6cec76bda058862bc74ded34e7a5a00e

    SHA1

    52a3e9a8fc93deb4abbc99cb38078a0cb6b8092c

    SHA256

    f1e776cce3acf70556556847bc1dc9d477eb0df9c994654c8f3a6333715f9a66

    SHA512

    8b25e9a3a305fe6b1daf461ea99bf476e767c06304e4af89f0b72c82381ba5d46d2fe8e4bc321c75b684e0ebcf2fe8527fd237840d3dbfeb64a651ee3d9b4479

  • memory/1904-0-0x0000000000220000-0x0000000000271000-memory.dmp

    Filesize

    324KB

  • memory/1904-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1904-15-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/1904-17-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1904-16-0x0000000000220000-0x0000000000271000-memory.dmp

    Filesize

    324KB

  • memory/2792-75-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-69-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-28-0x00000000020C0000-0x0000000002168000-memory.dmp

    Filesize

    672KB

  • memory/2792-30-0x00000000020C0000-0x0000000002168000-memory.dmp

    Filesize

    672KB

  • memory/2792-26-0x00000000020C0000-0x0000000002168000-memory.dmp

    Filesize

    672KB

  • memory/2792-31-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2792-24-0x00000000020C0000-0x0000000002168000-memory.dmp

    Filesize

    672KB

  • memory/2792-22-0x00000000020C0000-0x0000000002168000-memory.dmp

    Filesize

    672KB

  • memory/2792-20-0x00000000020C0000-0x0000000002168000-memory.dmp

    Filesize

    672KB

  • memory/2792-32-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-36-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-34-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-44-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-48-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-71-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-84-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-83-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-82-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-81-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-80-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-79-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-78-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-77-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-76-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-18-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2792-74-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-73-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-72-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-70-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-19-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2792-68-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-67-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-66-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-65-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-64-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-63-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-62-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-61-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-60-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-59-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-58-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-57-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-56-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-54-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-53-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-52-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-51-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-50-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-49-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-47-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-46-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-45-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-43-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-42-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-41-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-55-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-40-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-39-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB

  • memory/2792-38-0x0000000002550000-0x0000000002606000-memory.dmp

    Filesize

    728KB