Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2024 05:26

General

  • Target

    2024-10-13_23126eab842fb86aeeb5f84b04836f05_cryptolocker.exe

  • Size

    96KB

  • MD5

    23126eab842fb86aeeb5f84b04836f05

  • SHA1

    84e078093ca40b5a54589fed571947e211f13fd4

  • SHA256

    ab6d926437cdf5023b678bc7729470144136bcca0f2a28183634ad276444d481

  • SHA512

    74b048f6a12e31ac16aa5f595893f71711788d566115207651a10b9b0d9750e15e3aaebb16eb9d7c259ccab1029309927b82ca57e7520ddbe213dbeeaf8727ea

  • SSDEEP

    768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzi:i5nkFGMOtEvwDpjNbwQEIikG

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\2024-10-13_23126eab842fb86aeeb5f84b04836f05_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-13_23126eab842fb86aeeb5f84b04836f05_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4916
    • 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:3500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    96KB

    MD5

    459f77de4bd51cef21cb697f74cfd4f9

    SHA1

    5833208cd4baab8f0eae46d28736a657453d5135

    SHA256

    acc86e5286410b6e4706dc6556d29c8e4e9c96275bc48d99a22d2b8ca03bb5b2

    SHA512

    4e55ba9e65406983a1e02cb8f1611bd540c54603f9b27e5f0b6a226de5249830401ee52060705648a9e23c9740fb9a2638d09848cabb886d4f340a5e48266a8f

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3500-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3500-20-0x0000000001F30000-0x0000000001F36000-memory.dmp

    Filesize

    24KB

  • memory/3500-26-0x0000000001F10000-0x0000000001F16000-memory.dmp

    Filesize

    24KB

  • memory/3500-48-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4916-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4916-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4916-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4916-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/4916-18-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB