Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    05-05-2021 02:15

General

  • Target

    9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exe

  • Size

    80KB

  • MD5

    d64d84d57fc9cc6528acf7b78e0698ff

  • SHA1

    4a41c8a73a62aa28984c442ad1172323776fca28

  • SHA256

    9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598

  • SHA512

    909733bcb2fec9f65266a886d0d2a0b3a9e27fa3904876eb5e9387946cfbba2546ad12df56bfdb58b0454ef2900ed3eff52a4683e27d6984ace02c68633b3bbb

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 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exe
    "C:\Users\Admin\AppData\Local\Temp\9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1000
    • C:\Users\Admin\AppData\Local\Temp\uRubfT.exe
      C:\Users\Admin\AppData\Local\Temp\uRubfT.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2300
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\519d2431.bat" "
        3⤵
          PID:208

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\519d2431.bat
      MD5

      e2fd0f45d99670e32716e3e0d6e61d86

      SHA1

      a10a8df965b1dc8f67a550a086c4aeed313f4c35

      SHA256

      53148201537722175ff8335cee8b22c2e5fe8527f008e066282cde23997c0369

      SHA512

      adbc1f1e34a73fb6bc061ba7b14f5ec8c46657cc624e2e7f916f263e62b4d817f88909e5b4bdc7699ff60b7abb9b2ef78e448b22ecb99380a49f9a2ec86b9ef3

    • C:\Users\Admin\AppData\Local\Temp\uRubfT.exe
      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • C:\Users\Admin\AppData\Local\Temp\uRubfT.exe
      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • memory/208-117-0x0000000000000000-mapping.dmp
    • memory/2300-114-0x0000000000000000-mapping.dmp