Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-11-2024 00:53

General

  • Target

    a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe

  • Size

    7.1MB

  • MD5

    6874862093d4753f6d0ecd513d83f046

  • SHA1

    708f93e3cfb8d5b299eb79dfdbd0a877397b48e3

  • SHA256

    a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005

  • SHA512

    308aaa124d81d4de393f7acc50e0c44a623346a9940b13a0625e566ae244e6dcd0c5812ee823665458323aed73b78cec139346910edf911111ff351660bae695

  • SSDEEP

    49152:9YK0DZT88fnSgRWpAIRrRLzZiNo7IcyO82MzufjWJA6ongaHLvKLA8VgbKW2llxh:mKETOrRn+os45gaHrhdw3D7nTsR

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 3 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe
    "C:\Users\Admin\AppData\Local\Temp\a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4720
    • 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:2840
    • C:\Users\Admin\AppData\Local\Temp\_a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe
      C:\Users\Admin\AppData\Local\Temp\_a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\7-Zip\7z.exe

    Filesize

    7.1MB

    MD5

    aab4d41c280eeed4f62e05c4a382a2e0

    SHA1

    bdb55d5baeec5ab45b4f5456997866fcce9fe33b

    SHA256

    cc4be0db54e69a8754426b4595210f5238df028187ce9f9491e0a9873c37a975

    SHA512

    a024099d430355af698363fafe6be3ba32d824aa03b780c7b9a438f1e8569fa19f18c1262f870d6842a2f43aecf58aa3198bf7d51bacc1c19aa4a714e3082b0d

  • C:\Users\Admin\AppData\Local\Temp\_a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe

    Filesize

    7.1MB

    MD5

    77f0f26b82ccd143daad8b5ee63b6b65

    SHA1

    109c463530f1103a4fb6989a47c2b888cfadd0e3

    SHA256

    2c35bcbef057c9e0c20143ada8f008cc95f603ec5d7bd7f84b78daae004ed22b

    SHA512

    5d4560e38467132f64384e456d344025bd094cf239e5624819a91b3471389b6fdc6290a0be6be4220b40f8b102a4fcf33d23f3a109ac59eb75e1ae64b8af892a

  • C:\Windows\SysWOW64\sysx32.exe

    Filesize

    7.1MB

    MD5

    6874862093d4753f6d0ecd513d83f046

    SHA1

    708f93e3cfb8d5b299eb79dfdbd0a877397b48e3

    SHA256

    a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005

    SHA512

    308aaa124d81d4de393f7acc50e0c44a623346a9940b13a0625e566ae244e6dcd0c5812ee823665458323aed73b78cec139346910edf911111ff351660bae695

  • memory/2840-772-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/2840-771-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/2840-1580-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/2840-2702-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/2840-2703-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/2840-2704-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/2840-2705-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/4720-705-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/4720-0-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/4720-1409-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB