Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2024, 08:42

General

  • Target

    2024-07-26_26616452340b1e82c3dff57f4c593032_cryptolocker.exe

  • Size

    79KB

  • MD5

    26616452340b1e82c3dff57f4c593032

  • SHA1

    f1e37f68bd07e024c94d0988afe359b24be442b0

  • SHA256

    e6dd2890e885800d668807ec87f3c2f2628b36ecda56b245bd1b02ac2b84a958

  • SHA512

    4844516e798d7f1e2859c85d19eae763e675f24779420f2d1c25a409bf78f199a22659ea267b472df02956fe75271f9607e59de6511b99fb754e50f30974304f

  • SSDEEP

    1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsoLktNP:X6a+SOtEvwDpjBZYvQd2I

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\2024-07-26_26616452340b1e82c3dff57f4c593032_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-26_26616452340b1e82c3dff57f4c593032_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:744
    • 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:5072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    79KB

    MD5

    aa471f060daa0545ac9143884da449ca

    SHA1

    b1177401556e91ac75d04621e0cb1ea0b64b067e

    SHA256

    0b715adb314cdcef68de42265b8dd3a9562ca2ab82b0e11299958fd3b037a4f4

    SHA512

    48f84acb2c055ad5056a0a8e31b364975757ebb00afa1aac3663d6c7b74c6dc79f733adf8330b2ecc7117a097ff1574191e43f90014a58083fbf4110b4e0529a

  • memory/744-0-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/744-1-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/744-2-0x00000000007D0000-0x00000000007D6000-memory.dmp

    Filesize

    24KB

  • memory/5072-17-0x0000000000770000-0x0000000000776000-memory.dmp

    Filesize

    24KB

  • memory/5072-23-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB