Analysis

  • max time kernel
    107s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2024, 07:17

General

  • Target

    2024-10-14_a527d3c70a9ef20438d9409d8ae7f814_cryptolocker.exe

  • Size

    120KB

  • MD5

    a527d3c70a9ef20438d9409d8ae7f814

  • SHA1

    b2e164be59bd1f68e8ff325662f8e6068cf34f5c

  • SHA256

    7fce184da8563f507b9ea434d063d0b4ed5ca37634d50b4c7437318d5768a893

  • SHA512

    1747d6fd4dc43de3cdffd453c00e8bd22cdcb7f67def1d2a985bf54e4f0756912e17d35c89f65475f8e625ef591bd76224168d627c126b8cc60cbb8142d7568e

  • SSDEEP

    768:gUQz7yVEhs9+4T/1bytOOtEvwDpjNbZ7uyA36S7MpxRIIXVe3mU9TYwlOBTze:gUj+AIMOtEvwDpjNbwQEIPlemUhYje

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 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.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-14_a527d3c70a9ef20438d9409d8ae7f814_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-14_a527d3c70a9ef20438d9409d8ae7f814_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4728
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:1872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    120KB

    MD5

    38a202ce3e4c762172ef01d2aae2bcd0

    SHA1

    b0396d83bed08be9e6d33eb776d89f523d1a13ae

    SHA256

    1233b4025fbb035d76679ce9ccf44b43e9c6f77a5fa93f5b03ac5aefea2b8345

    SHA512

    8387b58cee76bcab5e4608e151d82f1508b24438d1870982bdf5dfeacb7871efbfbdb93383b3af002bf2174386fda37cda1eb714236cc5fb1be33593de13babc

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1872-17-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/1872-18-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/4728-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4728-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4728-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB