Analysis

  • max time kernel
    122s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-10-2024 18:35

General

  • Target

    112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe

  • Size

    2.1MB

  • MD5

    329a2103d99a25fbf2d790898f5bb955

  • SHA1

    0c907ed25959a21e79b840bed88742e214f6c8f9

  • SHA256

    112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0

  • SHA512

    c0332fa403c933ed0aee8ecbb40641eb96048b66f57587b885ae14f801b8e3ed32e2ea1e059740a8edc1607d4153b12dccbf3f77e9ea0422201d67120279c220

  • SSDEEP

    49152:9aenqqr9wJI6S7RSSon9X6f4IeY0+h1s410I1xIdcxyNt:senq29lFHon9X5Iddq41Lxry

Malware Config

Signatures

  • Renames multiple (316) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 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 use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe
    "C:\Users\Admin\AppData\Local\Temp\112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4312
    • C:\Windows\SysWOW64\sysx32.exe
      C:\Windows\system32\sysx32.exe /scan
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:2068
    • C:\Users\Admin\AppData\Local\Temp\_112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe
      C:\Users\Admin\AppData\Local\Temp\_112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe
      2⤵
      • Executes dropped EXE
      PID:3980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\7-Zip\7z.exe

    Filesize

    2.1MB

    MD5

    bed79f222c10a509136789998e4e3113

    SHA1

    441597c08915869b63480acac41790b7b88119db

    SHA256

    d4d6e88e3dfeb378a18c6fbd54ab5e1ec27093036d048e7d09eebd51519791c5

    SHA512

    5802afdfe6d3dbd8b106e0bf99a67598412a482904c5a27e4e7fbe90bf0111badc2b83cb7d32f8aad7f6342620e058baf0e720af39f4b1f2f8e599557aa26e0d

  • C:\Users\Admin\AppData\Local\Temp\_112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe

    Filesize

    2.0MB

    MD5

    df35d9172bf5a58117f2d813913bcc18

    SHA1

    96af63c8c77ff5c4f3f9bf30f60075440b6efe2e

    SHA256

    4a991aae43ada51c66d1cc2a8e31a6578838ecfb45f9c9c53d64f7d877afc086

    SHA512

    3a5a1194f5c33b86b8b596c1decdcc1d4cf911f1c8eb1e31c11e518ea7c8e0d33ce983405dd500db70cee499ae71e77d715c76affad0a842fde4ab03cd357104

  • C:\Windows\SysWOW64\sysx32.exe

    Filesize

    2.1MB

    MD5

    329a2103d99a25fbf2d790898f5bb955

    SHA1

    0c907ed25959a21e79b840bed88742e214f6c8f9

    SHA256

    112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0

    SHA512

    c0332fa403c933ed0aee8ecbb40641eb96048b66f57587b885ae14f801b8e3ed32e2ea1e059740a8edc1607d4153b12dccbf3f77e9ea0422201d67120279c220

  • memory/2068-2688-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/2068-1187-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/2068-1280-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/2068-2689-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/2068-2690-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/2068-2691-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/3980-73-0x00007FFD50683000-0x00007FFD50685000-memory.dmp

    Filesize

    8KB

  • memory/3980-74-0x000002D666DA0000-0x000002D666DA8000-memory.dmp

    Filesize

    32KB

  • memory/4312-169-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/4312-0-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB