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Analysis

  • max time kernel
    47s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2022, 04:45

General

  • Target

    5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe

  • Size

    80KB

  • MD5

    66812f41b2b9653051f2e8fdba4888e0

  • SHA1

    9f208e4dcb64df19ea6a5d8288066f6beb7ed9ae

  • SHA256

    5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a

  • SHA512

    f4e1f9351afde6584231050e7069d3b3c4a47d243b96d50f4a37724a31fa98e07dbdfaebfe19497203c2ae8950b840ddfbb93a0ee39fc9ff52cb2763f235e28d

  • SSDEEP

    1536:fHB0UxMkzOt7HcvJGt5AdHIOWnToIf12ZtrGCq2iW7z:fhAWJGSCTBf12Z1GCH

Score
8/10

Malware Config

Signatures

  • ASPack v2.12-2.42 4 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe
    "C:\Users\Admin\AppData\Local\Temp\5b43695e86a754d3dcf8d5ffd37c93b84993defb262e47faac8542f64249c47a.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Users\Admin\AppData\Local\Temp\riaFcv.exe
      C:\Users\Admin\AppData\Local\Temp\riaFcv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:840
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\60d55470.bat" "
        3⤵
          PID:1464

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\60d55470.bat

      Filesize

      187B

      MD5

      11dafe36892ae04c31d32cbe33e3158a

      SHA1

      7a7832484a3e083caf07a24cd92f7b3bff7f724a

      SHA256

      fb03c716b4396af8ed6d35c4ff0e19c0df17163843966815235bb0887fe95196

      SHA512

      151f856f50a612e232c7a9c5853613e5a1318403b6edc9209385f95afe8b08ae41c061a6aff9d0434332947bd959971ed749e995ba31e6d0d93d69ba821b7a7e

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

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • memory/840-64-0x0000000000170000-0x0000000000179000-memory.dmp

      Filesize

      36KB

    • memory/840-58-0x0000000075091000-0x0000000075093000-memory.dmp

      Filesize

      8KB

    • memory/840-62-0x0000000000170000-0x0000000000179000-memory.dmp

      Filesize

      36KB

    • memory/1376-60-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB

    • memory/1376-61-0x0000000000230000-0x0000000000239000-memory.dmp

      Filesize

      36KB

    • memory/1376-66-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB