Analysis

  • max time kernel
    148s
  • 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
    04/10/2024, 03:43

General

  • Target

    2024-10-04_ae8e1b06a9ab1690c0a51894224193ed_cryptolocker.exe

  • Size

    47KB

  • MD5

    ae8e1b06a9ab1690c0a51894224193ed

  • SHA1

    7fafb9b70a528aa9234cb3f89f2b5dc213b9d836

  • SHA256

    0bd71cb252b279e0d36a4a4ea86a2e8ca817df8024a4b2d908721a8d9ea2f093

  • SHA512

    42bf6d075a0d27a8fe153926f42c0c19a4ed0c6b023a9b2e6e2f38b3e9c9a6de07ae479f37724eedc13324b832443b74f80881d57c2552411f1198523db1f369

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9Hkeda:X6QFElP6n+gJQMOtEvwDpjBmzDkWDt4

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\2024-10-04_ae8e1b06a9ab1690c0a51894224193ed_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-04_ae8e1b06a9ab1690c0a51894224193ed_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2060
    • 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:3764
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3708,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4460 /prefetch:8
    1⤵
      PID:4984

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            47KB

            MD5

            d2c1ed7f33f85df21ced692c19ce5bcd

            SHA1

            9a5eb47e56e2eb839315c6b1b28bcb44291e1374

            SHA256

            4a80adafd0860f51b77e90d080ea023e01020ca3bd3cdb524db3c1ddb3488059

            SHA512

            d376bae9dbb2338d6731743db308a9b488a4e149794d832a515cee05caa22512b715ff6a320673905bc859e0d615756517531b3617d14b251e3f48ee03f25ab3

          • memory/2060-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

            Filesize

            24KB

          • memory/2060-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

            Filesize

            24KB

          • memory/2060-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

            Filesize

            24KB

          • memory/3764-18-0x00000000020F0000-0x00000000020F6000-memory.dmp

            Filesize

            24KB

          • memory/3764-17-0x00000000006A0000-0x00000000006A6000-memory.dmp

            Filesize

            24KB