Analysis

  • max time kernel
    131s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 18:39

General

  • Target

    2022-11-23_f0ee406790b2a22353b9644df9c494d1_cryptolocker.exe

  • Size

    67KB

  • MD5

    f0ee406790b2a22353b9644df9c494d1

  • SHA1

    e9105bc6b10bf12b78df22b21c80d557fb4c8f41

  • SHA256

    bad0b191cdb9e410ef6797def3087687f7668e14299a009748b2117afe3593a2

  • SHA512

    6a496fee5eef203fbae8cb593e4edfc179c0c9bff96c10c892c197bcdf445ab7bc93cb2a562b8551bd8d2d07830e3ba09215794413d968c2249431268962567e

  • SSDEEP

    1536:V6QFElP6n+gMQMOtEvwDpjyaLccVNEVJg:V6a+pOtEvwDpjvpt

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2022-11-23_f0ee406790b2a22353b9644df9c494d1_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2022-11-23_f0ee406790b2a22353b9644df9c494d1_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:5016

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    f7d0dfa35db8dacc1983bbe286b5f997

    SHA1

    16460b8c447bb3e7efb7ae02a686a1b40228b6c0

    SHA256

    7f3df1d776916dc4a7d3ad05277f000a294486ad42854c1792a4c7045b2344d1

    SHA512

    400d9b331dde8f2d396723368495397e952f0188f4ecc9877979c61856d3743c78a7a98762d79036bb56b5d7cebe8f9e851f550a9d299f863ee60a4c4cb85f2f

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

    Filesize

    67KB

    MD5

    f7d0dfa35db8dacc1983bbe286b5f997

    SHA1

    16460b8c447bb3e7efb7ae02a686a1b40228b6c0

    SHA256

    7f3df1d776916dc4a7d3ad05277f000a294486ad42854c1792a4c7045b2344d1

    SHA512

    400d9b331dde8f2d396723368495397e952f0188f4ecc9877979c61856d3743c78a7a98762d79036bb56b5d7cebe8f9e851f550a9d299f863ee60a4c4cb85f2f

  • memory/848-132-0x0000000000720000-0x0000000000726000-memory.dmp

    Filesize

    24KB

  • memory/848-133-0x0000000000740000-0x0000000000746000-memory.dmp

    Filesize

    24KB

  • memory/848-139-0x0000000000720000-0x0000000000726000-memory.dmp

    Filesize

    24KB

  • memory/5016-144-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/5016-150-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB