Analysis

  • max time kernel
    191s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 11:39

General

  • Target

    6c43597be2f8680437be84c3cae1c7bf6fe2287952ce2b1d1290c742948ffa47.exe

  • Size

    614KB

  • MD5

    4ff4fe8488041c664abf45120576a599

  • SHA1

    c9e45299b734024c6d08d88b772979230e7cee0c

  • SHA256

    6c43597be2f8680437be84c3cae1c7bf6fe2287952ce2b1d1290c742948ffa47

  • SHA512

    177982eac1ac87f5d7dee31b477c3ea7ea55dcb6925f4910a44174e553fd463be4a5b8f18a756dde319d5641877841f0b0a8318874eb9c476b0a7978eade8272

  • SSDEEP

    12288:WRT0gZpHvuDZKHHw2WNWI0tTYbuMKu5R7Uw5JEAY+el:+ZpHSKHHw08b20UVAY+m

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c43597be2f8680437be84c3cae1c7bf6fe2287952ce2b1d1290c742948ffa47.exe
    "C:\Users\Admin\AppData\Local\Temp\6c43597be2f8680437be84c3cae1c7bf6fe2287952ce2b1d1290c742948ffa47.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1232
    • C:\Users\Admin\AppData\Local\Temp\n7463\s7463.exe
      "C:\Users\Admin\AppData\Local\Temp\n7463\s7463.exe" bdf268da9b87342afc220ff8Eok94jjXtlo1b/BkBuY3h1+OJFapbKess7cMMRzuUWhC33/7uIyI+8sQmvDFKBCiQphxdcOoidl7aGWEgE9aXQmZ5BXEJv/5D1aRn+xjl9foVblVYYMX9cKAod/XD7tVG+ghXoyrgZkyti024WCT0XkwO97oRrKND0E8cYg= /v "C:\Users\Admin\AppData\Local\Temp\6c43597be2f8680437be84c3cae1c7bf6fe2287952ce2b1d1290c742948ffa47.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1712

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7463\s7463.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • C:\Users\Admin\AppData\Local\Temp\n7463\s7463.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n7463\s7463.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n7463\s7463.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n7463\s7463.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n7463\s7463.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • memory/1232-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

    Filesize

    8KB

  • memory/1712-62-0x000007FEF39C0000-0x000007FEF43E3000-memory.dmp

    Filesize

    10.1MB

  • memory/1712-63-0x000007FEF26E0000-0x000007FEF3776000-memory.dmp

    Filesize

    16.6MB

  • memory/1712-64-0x0000000002006000-0x0000000002025000-memory.dmp

    Filesize

    124KB

  • memory/1712-65-0x000007FEEE4F0000-0x000007FEEF37F000-memory.dmp

    Filesize

    14.6MB

  • memory/1712-66-0x000007FEEE200000-0x000007FEEE4EA000-memory.dmp

    Filesize

    2.9MB

  • memory/1712-67-0x0000000002006000-0x0000000002025000-memory.dmp

    Filesize

    124KB