Analysis

  • max time kernel
    152s
  • max time network
    184s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 09:53

General

  • Target

    f458ce0769ad364da47bd392ef0c3a16e4fb0d8cf6233d7513fad67de7ee1f37.exe

  • Size

    625KB

  • MD5

    360e66ba819cdb9dc20688d0a00c2648

  • SHA1

    5d91aa06cbde3d066ae1a5b4c98f0fe2d4e5ebe8

  • SHA256

    f458ce0769ad364da47bd392ef0c3a16e4fb0d8cf6233d7513fad67de7ee1f37

  • SHA512

    7d078649e15c0ed97404e719e74c69f328acae53a912dbdba7dd0f14ec57fe8318a036a99f4be94f8f0a3fcd09692bb0c3961561b635a4297a78c221d1838c46

  • SSDEEP

    12288:hg+gjjwmSK3ALgXgxvFDyfD1XBxzHMT0jZOJk7j4epPfArQyX0kZ2GEV4gB4IjYi:CjjwS3UW0NKhXLNjZzTPIrQu0kZCV4gH

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\f458ce0769ad364da47bd392ef0c3a16e4fb0d8cf6233d7513fad67de7ee1f37.exe
    "C:\Users\Admin\AppData\Local\Temp\f458ce0769ad364da47bd392ef0c3a16e4fb0d8cf6233d7513fad67de7ee1f37.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:1976
    • C:\Users\Admin\AppData\Local\Temp\n5927\s5927.exe
      "C:\Users\Admin\AppData\Local\Temp\n5927\s5927.exe" 2008aceef433812adb4a6277Pb42pylbOnmbp76af1GBEdM7xbRiFiy1pjeJvwlr84IAOQeMCEVViGbHIxChnqOtY2YjG0ysGbkYI19fb7ikvfFJwb790DHYEKLUAjq6UeFeJp3YykMETqOffNwwskpseZB/F8bTGcyxRJtDEA7Ie921DtvxxcJQ25oZ0Wg= /v "C:\Users\Admin\AppData\Local\Temp\f458ce0769ad364da47bd392ef0c3a16e4fb0d8cf6233d7513fad67de7ee1f37.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:856

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n5927\s5927.exe

          Filesize

          350KB

          MD5

          54394ba7de5b2c5e3df92557ea95f014

          SHA1

          47a99735e089139495643c9027effcb6b1fc5504

          SHA256

          339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

          SHA512

          45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

        • C:\Users\Admin\AppData\Local\Temp\n5927\s5927.exe

          Filesize

          350KB

          MD5

          54394ba7de5b2c5e3df92557ea95f014

          SHA1

          47a99735e089139495643c9027effcb6b1fc5504

          SHA256

          339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

          SHA512

          45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

        • \Users\Admin\AppData\Local\Temp\n5927\s5927.exe

          Filesize

          350KB

          MD5

          54394ba7de5b2c5e3df92557ea95f014

          SHA1

          47a99735e089139495643c9027effcb6b1fc5504

          SHA256

          339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

          SHA512

          45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

        • \Users\Admin\AppData\Local\Temp\n5927\s5927.exe

          Filesize

          350KB

          MD5

          54394ba7de5b2c5e3df92557ea95f014

          SHA1

          47a99735e089139495643c9027effcb6b1fc5504

          SHA256

          339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

          SHA512

          45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

        • \Users\Admin\AppData\Local\Temp\n5927\s5927.exe

          Filesize

          350KB

          MD5

          54394ba7de5b2c5e3df92557ea95f014

          SHA1

          47a99735e089139495643c9027effcb6b1fc5504

          SHA256

          339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

          SHA512

          45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

        • \Users\Admin\AppData\Local\Temp\n5927\s5927.exe

          Filesize

          350KB

          MD5

          54394ba7de5b2c5e3df92557ea95f014

          SHA1

          47a99735e089139495643c9027effcb6b1fc5504

          SHA256

          339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

          SHA512

          45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

        • memory/856-62-0x000007FEF3DC0000-0x000007FEF47E3000-memory.dmp

          Filesize

          10.1MB

        • memory/856-63-0x000007FEF2D20000-0x000007FEF3DB6000-memory.dmp

          Filesize

          16.6MB

        • memory/856-64-0x0000000001F76000-0x0000000001F95000-memory.dmp

          Filesize

          124KB

        • memory/856-65-0x000007FEEEA40000-0x000007FEEF8CF000-memory.dmp

          Filesize

          14.6MB

        • memory/856-66-0x000007FEF2A30000-0x000007FEF2D1A000-memory.dmp

          Filesize

          2.9MB

        • memory/856-67-0x0000000001F76000-0x0000000001F95000-memory.dmp

          Filesize

          124KB

        • memory/1976-54-0x0000000075831000-0x0000000075833000-memory.dmp

          Filesize

          8KB