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Analysis

  • max time kernel
    147s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2022, 12:04

General

  • Target

    c9fe9e30944e70f6e5ec9ab822320e854cd0a5333b2ba0533ef0e8f082b82a2d.exe

  • Size

    1014KB

  • MD5

    93ec591bcd108f1e21d5426348295410

  • SHA1

    f9eb7085bf72b5dab61eeaed832975ff51a24c9c

  • SHA256

    c9fe9e30944e70f6e5ec9ab822320e854cd0a5333b2ba0533ef0e8f082b82a2d

  • SHA512

    9a304354967eb0baf90cbb638d1c64d4f7f72111b15d9ada556822bc0ce8eee0b50310ccdb65011c4a075496eb00ac4eb1b65f45c9ca7f325fa5e2515223150a

  • SSDEEP

    24576:y969NTTlWa8vuj18D384lX6sGkbQLmIQoTDYbu4sH+D:y96nTJWasuj18DMARrQLmIQyL4sH+

Score
8/10

Malware Config

Signatures

  • ASPack v2.12-2.42 2 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c9fe9e30944e70f6e5ec9ab822320e854cd0a5333b2ba0533ef0e8f082b82a2d.exe
    "C:\Users\Admin\AppData\Local\Temp\c9fe9e30944e70f6e5ec9ab822320e854cd0a5333b2ba0533ef0e8f082b82a2d.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:968
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bRC.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bRC.exe"
      2⤵
      • Executes dropped EXE
      PID:1892

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bRC.exe

    Filesize

    1014KB

    MD5

    93ec591bcd108f1e21d5426348295410

    SHA1

    f9eb7085bf72b5dab61eeaed832975ff51a24c9c

    SHA256

    c9fe9e30944e70f6e5ec9ab822320e854cd0a5333b2ba0533ef0e8f082b82a2d

    SHA512

    9a304354967eb0baf90cbb638d1c64d4f7f72111b15d9ada556822bc0ce8eee0b50310ccdb65011c4a075496eb00ac4eb1b65f45c9ca7f325fa5e2515223150a

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bRC.exe

    Filesize

    1014KB

    MD5

    93ec591bcd108f1e21d5426348295410

    SHA1

    f9eb7085bf72b5dab61eeaed832975ff51a24c9c

    SHA256

    c9fe9e30944e70f6e5ec9ab822320e854cd0a5333b2ba0533ef0e8f082b82a2d

    SHA512

    9a304354967eb0baf90cbb638d1c64d4f7f72111b15d9ada556822bc0ce8eee0b50310ccdb65011c4a075496eb00ac4eb1b65f45c9ca7f325fa5e2515223150a

  • memory/968-68-0x00000000007B0000-0x00000000007C0000-memory.dmp

    Filesize

    64KB

  • memory/968-54-0x0000000075921000-0x0000000075923000-memory.dmp

    Filesize

    8KB

  • memory/968-58-0x0000000000400000-0x00000000006B4000-memory.dmp

    Filesize

    2.7MB

  • memory/968-57-0x0000000000400000-0x00000000006B4000-memory.dmp

    Filesize

    2.7MB

  • memory/968-56-0x0000000000400000-0x00000000006B4000-memory.dmp

    Filesize

    2.7MB

  • memory/968-55-0x0000000000400000-0x00000000006B4000-memory.dmp

    Filesize

    2.7MB

  • memory/968-71-0x0000000000400000-0x00000000006B4000-memory.dmp

    Filesize

    2.7MB

  • memory/968-69-0x0000000003550000-0x0000000003804000-memory.dmp

    Filesize

    2.7MB

  • memory/968-66-0x0000000000400000-0x00000000006B4000-memory.dmp

    Filesize

    2.7MB

  • memory/1892-67-0x0000000000400000-0x00000000006B4000-memory.dmp

    Filesize

    2.7MB

  • memory/1892-65-0x0000000000400000-0x00000000006B4000-memory.dmp

    Filesize

    2.7MB

  • memory/1892-64-0x0000000000400000-0x00000000006B4000-memory.dmp

    Filesize

    2.7MB

  • memory/1892-70-0x0000000000400000-0x00000000006B4000-memory.dmp

    Filesize

    2.7MB

  • memory/1892-63-0x0000000000400000-0x00000000006B4000-memory.dmp

    Filesize

    2.7MB

  • memory/1892-72-0x0000000000400000-0x00000000006B4000-memory.dmp

    Filesize

    2.7MB