Analysis

  • max time kernel
    30s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 07:30

General

  • Target

    f78b3443aafc85e79625ec9083557cc483abb15a122009affc1f13a345191e63.exe

  • Size

    3.4MB

  • MD5

    1ca9efd885b759aba2a78bec0787e0c2

  • SHA1

    ca795a861a952d48c85023f9458b6a2c83ebbde7

  • SHA256

    f78b3443aafc85e79625ec9083557cc483abb15a122009affc1f13a345191e63

  • SHA512

    cbd99ba63653d3f0b68d22f4a986a33fb8e8948fda1feefdb6cedca4e0ce3723b1fa3056b8b6a054e8e4ba7ae99c2b0c3e066f00ca28e1308b9f50d9f497e440

  • SSDEEP

    98304:RDGnkRWN+Ci067DeL2iUZz9ZdvyjfXMNgvHNIekdwd:gN+Cw62Nrv0fXMNetIPwd

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f78b3443aafc85e79625ec9083557cc483abb15a122009affc1f13a345191e63.exe
    "C:\Users\Admin\AppData\Local\Temp\f78b3443aafc85e79625ec9083557cc483abb15a122009affc1f13a345191e63.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 468
      2⤵
      • Program crash
      PID:568

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\112834252540\LZMA.dll

    Filesize

    67KB

    MD5

    d0f2416807f04c559e6394a0a4c7f1d1

    SHA1

    7df43ffa3716156d282b1e37d12dd1122f0a762c

    SHA256

    0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

    SHA512

    8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

  • memory/568-56-0x0000000000000000-mapping.dmp

  • memory/1208-54-0x0000000075591000-0x0000000075593000-memory.dmp

    Filesize

    8KB