Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-10-2022 21:45

General

  • Target

    7555b4523ea4c62089c2ea50b5705ad001c2b1e10ee3112bc4bab2bcf6255756.exe

  • Size

    331KB

  • MD5

    0cc444fb0a0b0c93a75357f0dc956600

  • SHA1

    be585f77d112b2fd6cbd564556983fa3ab8b0b92

  • SHA256

    7555b4523ea4c62089c2ea50b5705ad001c2b1e10ee3112bc4bab2bcf6255756

  • SHA512

    8f29328bb4e3e607e091518b81862848dd443668b417eb533cbe6f11313c8237ab862b6faab69f937ff68d1813390b64234b9e27751d0b79fc94590771fdfb6f

  • SSDEEP

    6144:MCkXhYUp7k1IcsvPd3M7zIa5Bs21T9OMcJGDdT:MVxRncS3sIaXs21T96idT

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7555b4523ea4c62089c2ea50b5705ad001c2b1e10ee3112bc4bab2bcf6255756.exe
    "C:\Users\Admin\AppData\Local\Temp\7555b4523ea4c62089c2ea50b5705ad001c2b1e10ee3112bc4bab2bcf6255756.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1132
    • C:\ProgramData\EpicScale\EpicScale.exe
      "C:\ProgramData\EpicScale\EpicScale.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Modifies system certificate store
      PID:1900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\EpicScale\EpicScale.exe

    Filesize

    331KB

    MD5

    0cc444fb0a0b0c93a75357f0dc956600

    SHA1

    be585f77d112b2fd6cbd564556983fa3ab8b0b92

    SHA256

    7555b4523ea4c62089c2ea50b5705ad001c2b1e10ee3112bc4bab2bcf6255756

    SHA512

    8f29328bb4e3e607e091518b81862848dd443668b417eb533cbe6f11313c8237ab862b6faab69f937ff68d1813390b64234b9e27751d0b79fc94590771fdfb6f

  • C:\ProgramData\EpicScale\EpicScale.exe

    Filesize

    331KB

    MD5

    0cc444fb0a0b0c93a75357f0dc956600

    SHA1

    be585f77d112b2fd6cbd564556983fa3ab8b0b92

    SHA256

    7555b4523ea4c62089c2ea50b5705ad001c2b1e10ee3112bc4bab2bcf6255756

    SHA512

    8f29328bb4e3e607e091518b81862848dd443668b417eb533cbe6f11313c8237ab862b6faab69f937ff68d1813390b64234b9e27751d0b79fc94590771fdfb6f

  • \ProgramData\EpicScale\EpicScale.exe

    Filesize

    331KB

    MD5

    0cc444fb0a0b0c93a75357f0dc956600

    SHA1

    be585f77d112b2fd6cbd564556983fa3ab8b0b92

    SHA256

    7555b4523ea4c62089c2ea50b5705ad001c2b1e10ee3112bc4bab2bcf6255756

    SHA512

    8f29328bb4e3e607e091518b81862848dd443668b417eb533cbe6f11313c8237ab862b6faab69f937ff68d1813390b64234b9e27751d0b79fc94590771fdfb6f

  • memory/1132-54-0x0000000075561000-0x0000000075563000-memory.dmp

    Filesize

    8KB

  • memory/1900-56-0x0000000000000000-mapping.dmp