Analysis

  • max time kernel
    136s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/05/2024, 21:09

General

  • Target

    20240524224a762594e7ba3dda2c6b0b7819fefccryptolocker.exe

  • Size

    57KB

  • MD5

    224a762594e7ba3dda2c6b0b7819fefc

  • SHA1

    e66626652e666390c65bb23acfe91a5d35ae1742

  • SHA256

    437e4b9ac1dbe7e1d3ca0ab4df43fbea32c351af9552e18eb5b74034e83129c9

  • SHA512

    8eef2915cbb2b5b7781a34e539cf356bd1b97b6a7f8a499f93966b2c07a9a366ee075ee4b33a206f7b6efce11fcaa45f26a452f25151538666b27a268cffc584

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCW1nw71TkhsiPn1YFv6dl4G3:vj+jsMQMOtEvwDpj5HH1nw73KOFip

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20240524224a762594e7ba3dda2c6b0b7819fefccryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\20240524224a762594e7ba3dda2c6b0b7819fefccryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4216
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:5040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    57KB

    MD5

    a6d345c378117381bd16d1aa733fe009

    SHA1

    8ff1e59d85bbc16a85bab6e36fc9455cf01f2850

    SHA256

    5d5d6fb09cde66ecfb8a6c50e6ac28ca0915ee03847fe08df84afb005c2f3142

    SHA512

    d08dd09b0af592e1c85d46a9e8a419919642c04a0fe4b20915372e14548318a923ec716aee4c6c253beb6105035cf7be77aa9054bb25856d1357f217cc82034f

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/4216-0-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/4216-1-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/4216-8-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/5040-17-0x0000000000750000-0x0000000000756000-memory.dmp

    Filesize

    24KB

  • memory/5040-23-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB