Analysis

  • max time kernel
    112s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    04-05-2021 22:13

General

  • Target

    32ff127dfa49513a256e205081e94c352c43847a7c087f081178fe8a98089053.exe

  • Size

    80KB

  • MD5

    9b6d1cc4db34c0d6dadaa4c54f7a741b

  • SHA1

    7618c0702a7345f81ec7b22768fa0fe1c482cb30

  • SHA256

    32ff127dfa49513a256e205081e94c352c43847a7c087f081178fe8a98089053

  • SHA512

    aff3530ac18469b42f2e5a08a68292ea90af526d4ee3ddd775f0ca0bbd5ba82f2c4eb99d6015162dd386045274bf68c0bb40170365867762cd2aece1ee8a5bf9

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\32ff127dfa49513a256e205081e94c352c43847a7c087f081178fe8a98089053.exe
    "C:\Users\Admin\AppData\Local\Temp\32ff127dfa49513a256e205081e94c352c43847a7c087f081178fe8a98089053.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3680
    • C:\Users\Admin\AppData\Local\Temp\FpQLKB.exe
      C:\Users\Admin\AppData\Local\Temp\FpQLKB.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1480
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7c966ef8.bat" "
        3⤵
          PID:192

    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\7c966ef8.bat
      MD5

      2a78cedb76fd66d71605e5ee65165690

      SHA1

      4896d1cddf12290e7a3f528dc951f5df815ce07b

      SHA256

      94d86cf69a4251a2a05edf3e94441e2aafbc2a31ab1a061af3d232a3578d11cf

      SHA512

      9c60c296bf243a635b49b3d3d1518676c46af861b3dbb5cafd17d583af08dbf324b703fd9930db8549f9a4e1d07c18a70b5fca5a4c751104188e25cb5458880f

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

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • memory/192-117-0x0000000000000000-mapping.dmp
    • memory/1480-114-0x0000000000000000-mapping.dmp