Analysis

  • max time kernel
    144s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-11-2024 09:25

General

  • Target

    7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe

  • Size

    4.3MB

  • MD5

    bf063d9fda89348906086c3b8ec1a6b4

  • SHA1

    df24129fa947d9fb34901f629e04ffa17065f053

  • SHA256

    7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb

  • SHA512

    fa7c707b1ab15280e618b72245e18f974ef20f5de88cc4af25354401ee27dc0c06ba90b1d8f50b0a8ee6ea92967cca98d8dc831e9ae7643199bb9cafe8456fa3

  • SSDEEP

    24576:9jGt+gkE2fh4Coswkx2KdcPCl9AuDF5zUPGLG5SvAMZAMg9:9aUgkEaSPkx2KiPy9AuDzY

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\7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe
    "C:\Users\Admin\AppData\Local\Temp\7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2084
    • 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:4880
    • C:\Users\Admin\AppData\Local\Temp\_7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe
      C:\Users\Admin\AppData\Local\Temp\_7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe
      2⤵
      • Executes dropped EXE
      PID:4916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\7-Zip\7z.exe

    Filesize

    4.3MB

    MD5

    08a26f2411d591221f4d91719e38329e

    SHA1

    e3f4162827ed9930058a99a0c7b7d54a5dfc4052

    SHA256

    16b6583833eccef5457dc7679ce45941c91e75166ece8f0574bdb9378679e67c

    SHA512

    68af7a99ca3d4d881c694994df677176e3c3ecd131d4b931bb134815b9b482a8532774c523dbc13ea15bce89304decf2aa35fb1c336712175752ec43133dbbe8

  • C:\Users\Admin\AppData\Local\Temp\_7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe

    Filesize

    4.3MB

    MD5

    4298bcad4a69e0be62f523e7ae11b423

    SHA1

    67d2a30b4d82b3ce2ff2dcf2e6c0a4e975f415c7

    SHA256

    36c961b8ad83d5f3e50718facdc48db2edf0f85d4542b330fe06459c11997772

    SHA512

    d2fba55f86c3487fb4523f1b3ba1776058bf835bd200a10512a4a773100733837997265e2cf7d67cca54935987049dbcc4896a7ca5467b76864295410873ca82

  • C:\Windows\SysWOW64\sysx32.exe

    Filesize

    4.3MB

    MD5

    bf063d9fda89348906086c3b8ec1a6b4

    SHA1

    df24129fa947d9fb34901f629e04ffa17065f053

    SHA256

    7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb

    SHA512

    fa7c707b1ab15280e618b72245e18f974ef20f5de88cc4af25354401ee27dc0c06ba90b1d8f50b0a8ee6ea92967cca98d8dc831e9ae7643199bb9cafe8456fa3

  • memory/2084-0-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/2084-76-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/4880-1572-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/4880-708-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/4880-771-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/4880-2690-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/4880-2691-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/4880-2692-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/4880-2693-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/4916-11-0x0000027930190000-0x0000027930198000-memory.dmp

    Filesize

    32KB

  • memory/4916-10-0x00007FFD0AF03000-0x00007FFD0AF05000-memory.dmp

    Filesize

    8KB