Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    05-05-2021 02:52

General

  • Target

    2a6987c08b3f5aa3dd595fc684af68222accf71d5acd332623e830bd7657011f.exe

  • Size

    107KB

  • MD5

    5936c25cca9017437d5cb9b6d0fa0cbe

  • SHA1

    225db09e02d2b16cfb0b5a1b2b7d4f6d9848d809

  • SHA256

    2a6987c08b3f5aa3dd595fc684af68222accf71d5acd332623e830bd7657011f

  • SHA512

    34a4e9555390d61be6fbe8f52862cfef979431b5b98535595b6f5e6341f19eb060e024fcf408b81138c99a63739eda7411a80b2adee00ed5352ef1944ab27775

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\2a6987c08b3f5aa3dd595fc684af68222accf71d5acd332623e830bd7657011f.exe
    "C:\Users\Admin\AppData\Local\Temp\2a6987c08b3f5aa3dd595fc684af68222accf71d5acd332623e830bd7657011f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3560
    • C:\Users\Admin\AppData\Local\Temp\adFuvY.exe
      C:\Users\Admin\AppData\Local\Temp\adFuvY.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2376
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2b9f1f65.bat" "
        3⤵
          PID:2096

    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\2b9f1f65.bat
      MD5

      99b70203916b57e7a165e4736c5b49e5

      SHA1

      c3f1b051b8163cc57add4c4850f59161daa2f770

      SHA256

      2073ab452c19b3eedb02e8262490605fe3337d2a78d2ffcd505993284f1b151a

      SHA512

      4a8b188dd79d1d374b54de8e209e7f5fb7e6b0235c03a40d906af8c18baf70f9b0ca4180ede3eec03ed72448905e9268428b63353d776bb334219f8fa9edc1ba

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

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • memory/2096-117-0x0000000000000000-mapping.dmp
    • memory/2376-114-0x0000000000000000-mapping.dmp