Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    23/07/2024, 19:04

General

  • Target

    2024-07-23_d47bfbb7d677b67f9bd3669d73f17d85_cryptolocker.exe

  • Size

    392KB

  • MD5

    d47bfbb7d677b67f9bd3669d73f17d85

  • SHA1

    9349350a310c70e7a52e0c9820bbc99814a08782

  • SHA256

    e33472bc0704ef9fca6148bf63f9e6b50bde1ddf81ef596d0c188bf0b9fd53f9

  • SHA512

    1a96914df29ddbce2c7cbdc05cd8ebcc12aeead971d6910cc4b140c0f01f36fcf4a36d2a87dbe9880c22c495a127c58319f6bae93f07cf6ac047b878a2e794cd

  • SSDEEP

    6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXRf:nnOflT/ZFIjBz3xjTxynGUOUhXRf

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-07-23_d47bfbb7d677b67f9bd3669d73f17d85_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-23_d47bfbb7d677b67f9bd3669d73f17d85_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1724
    • 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:2284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    393KB

    MD5

    d34d34f53fde00e3cc83e49d35074dcb

    SHA1

    bcebc4abc1e594d64f524823caeddc84d113a86a

    SHA256

    442dfe8a857ad085aadea7a130788b666062c787717610cc7b25c50fb00aad61

    SHA512

    1c4733e9d0a32dccfa48edbcad4dee88c618bfb96ac0091a1e29b32a2f856024d3bef6e84101a51fb03581541430a189ad7c1bd7bd8e7dfc81c01b2eb82ff179

  • memory/1724-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/1724-0-0x00000000004B0000-0x00000000004B6000-memory.dmp

    Filesize

    24KB

  • memory/1724-8-0x00000000004B0000-0x00000000004B6000-memory.dmp

    Filesize

    24KB

  • memory/2284-15-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2284-22-0x00000000002A0000-0x00000000002A6000-memory.dmp

    Filesize

    24KB