Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 08:44

General

  • Target

    19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8.exe

  • Size

    43KB

  • MD5

    d6aa3f866713a446f464542cc36caa87

  • SHA1

    54854abc0892e096be0d4e72c248a372eedf0e25

  • SHA256

    19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8

  • SHA512

    af6c8f1a15a317799d463b00cdc84ba8d5d9fb6ac1a76e334af37fc6ac242b00180fd18ea0515f47b328a6ad55080ba9f7b550e2fd082bfed48c74a5ced2930e

  • SSDEEP

    768:aUHDZ8y9MHHSqSwfSre9WTZ2S1581N6HUjHPSqvtK1o7Mr1PTEN5a38HCCjPka66:faWE5o81W1bEDHCCrk

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8.exe
    "C:\Users\Admin\AppData\Local\Temp\19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Users\Admin\AppData\Local\Temp\Chrome.exe
      "C:\Users\Admin\AppData\Local\Temp\Chrome.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1972
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Chrome.exe" "Chrome.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1652

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    43KB

    MD5

    d6aa3f866713a446f464542cc36caa87

    SHA1

    54854abc0892e096be0d4e72c248a372eedf0e25

    SHA256

    19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8

    SHA512

    af6c8f1a15a317799d463b00cdc84ba8d5d9fb6ac1a76e334af37fc6ac242b00180fd18ea0515f47b328a6ad55080ba9f7b550e2fd082bfed48c74a5ced2930e

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

    Filesize

    43KB

    MD5

    d6aa3f866713a446f464542cc36caa87

    SHA1

    54854abc0892e096be0d4e72c248a372eedf0e25

    SHA256

    19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8

    SHA512

    af6c8f1a15a317799d463b00cdc84ba8d5d9fb6ac1a76e334af37fc6ac242b00180fd18ea0515f47b328a6ad55080ba9f7b550e2fd082bfed48c74a5ced2930e

  • \Users\Admin\AppData\Local\Temp\Chrome.exe

    Filesize

    43KB

    MD5

    d6aa3f866713a446f464542cc36caa87

    SHA1

    54854abc0892e096be0d4e72c248a372eedf0e25

    SHA256

    19a527964d791455a0b24b904962ba9267eb9c47c337a2a34eb97d77302548f8

    SHA512

    af6c8f1a15a317799d463b00cdc84ba8d5d9fb6ac1a76e334af37fc6ac242b00180fd18ea0515f47b328a6ad55080ba9f7b550e2fd082bfed48c74a5ced2930e

  • memory/1052-54-0x0000000075931000-0x0000000075933000-memory.dmp

    Filesize

    8KB

  • memory/1052-55-0x0000000074770000-0x0000000074D1B000-memory.dmp

    Filesize

    5.7MB

  • memory/1052-61-0x0000000074770000-0x0000000074D1B000-memory.dmp

    Filesize

    5.7MB

  • memory/1652-62-0x0000000000000000-mapping.dmp

  • memory/1972-57-0x0000000000000000-mapping.dmp

  • memory/1972-64-0x0000000074770000-0x0000000074D1B000-memory.dmp

    Filesize

    5.7MB

  • memory/1972-65-0x0000000074770000-0x0000000074D1B000-memory.dmp

    Filesize

    5.7MB