Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2024, 02:46

General

  • Target

    2024-11-20_4463c05166da25f3bf8ec52e5998d0bb_cryptolocker.exe

  • Size

    55KB

  • MD5

    4463c05166da25f3bf8ec52e5998d0bb

  • SHA1

    9ed7cc5e94d2adad60f621c53d43e7dab5dbc6e1

  • SHA256

    9c32a1b22e1a984b9360b63c507226a99327fa05501204c006fb16b06338d05d

  • SHA512

    d9ab52cd7c623f4cee0fc64729e6a8e71aaf783d639692c4f7c53212d86819a8f2f40b55428bb3e36f70cae75760ff2d33adf3c92be2a487b4fa568d84b166e0

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTIM:X6QFElP6n+gJBMOtEvwDpjBtExmln

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\2024-11-20_4463c05166da25f3bf8ec52e5998d0bb_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-20_4463c05166da25f3bf8ec52e5998d0bb_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3108
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    55KB

    MD5

    a52e9980446ebb194effb6fe18f9554b

    SHA1

    605e1b44e5ada3adf707f5d59319179675c82eff

    SHA256

    21cf93cf3df61773bbcab1714a9ac5c7f54568e7026f38cb1e5904e0d7d3db02

    SHA512

    6a1dc05af98b16f3c15c1af7f033e5f1c91da4be18f942a44858af142f8dc229bc898139dc99083d8d4ba60593ac2bab78f577af3de3c865db14605b0958f2e9

  • memory/3108-0-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/3108-1-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/3108-2-0x0000000000810000-0x0000000000816000-memory.dmp

    Filesize

    24KB

  • memory/5008-18-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB

  • memory/5008-17-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB