Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 20:22

General

  • Target

    2024-08-11_0d5dee2553fc88e3eef8e7876692b654_cryptolocker.exe

  • Size

    392KB

  • MD5

    0d5dee2553fc88e3eef8e7876692b654

  • SHA1

    630b86f0bcc2a58c53d8058d190001e5a3a413b4

  • SHA256

    dec85dd1a7a027b54600fdd8876af74ac18e34c21028b59c3999ec2b1ae361e3

  • SHA512

    95c187cf5b2f0029fc4ee9cdfe44ec4a97aa2c695db2663f90fca4b9dc58d7071bf42f6484f3c1cf37de781cba484637fef5797ae39edc0ee2c9d0497058c778

  • SSDEEP

    6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXRK:nnOflT/ZFIjBz3xjTxynGUOUhXRK

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-08-11_0d5dee2553fc88e3eef8e7876692b654_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-11_0d5dee2553fc88e3eef8e7876692b654_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    392KB

    MD5

    96d84d93bbf3e85d8643157fa59e2c29

    SHA1

    ebf064a543536d1a1c6915bc7278b642250a45d8

    SHA256

    5742993b8f15aeabdb503d3e97e7a94449d19acd2747d780bc2df179c118f13e

    SHA512

    93815564d5c323d64b2cb3a25e78da60bf6a5c5082580b7f03fdbf18d92fd1fdd102888d87d23f76dca41b53dc30821ca53bb449639befad6578a503d01570b6

  • memory/2740-0-0x0000000002340000-0x0000000002346000-memory.dmp

    Filesize

    24KB

  • memory/2740-1-0x0000000002340000-0x0000000002346000-memory.dmp

    Filesize

    24KB

  • memory/2740-2-0x00000000023F0000-0x00000000023F6000-memory.dmp

    Filesize

    24KB

  • memory/3624-17-0x0000000003140000-0x0000000003146000-memory.dmp

    Filesize

    24KB

  • memory/3624-23-0x0000000002E90000-0x0000000002E96000-memory.dmp

    Filesize

    24KB