Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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, 04:42

General

  • Target

    2024-11-20_e8f5739eea96477003cc3425f192356f_cryptolocker.exe

  • Size

    62KB

  • MD5

    e8f5739eea96477003cc3425f192356f

  • SHA1

    93a60889c1414f70d5c8c55bf3dac4953a76eacc

  • SHA256

    9ba8a1ebb454716fa5bf4e5b807e50475b84e5b914ec5900d1b34e77ba6e2a15

  • SHA512

    a6b874d3aa9880eb64c30fb86f32541f2fd507b77dc63a22ee51ee086ceb64cf3f860d75ed9f628a3e70fa566f64b04e2005c5a39995dafdc2c9e018a82ba2e2

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMC:TCjsIOtEvwDpj5HE/OUHnSMp

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\2024-11-20_e8f5739eea96477003cc3425f192356f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-20_e8f5739eea96477003cc3425f192356f_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3636
    • 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:1484

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    62KB

    MD5

    edb7392d96b9712944bfa366bbeef4c8

    SHA1

    befb03b11e1bbcfe846d0e7215ac3eab4a97c443

    SHA256

    e5f2e74cb0cce112a2a2b42dcc925aecec4c44d0891daa54f248c37e13315c4b

    SHA512

    86933b0a4de0286291b5edeafcc295408a47c5de208b7ab3ceec46c1730cc7da85868151d166df9f4e9cb5a8a326425c31bc51c082fb102ec62f052fb2efccb9

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1484-19-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/1484-20-0x0000000000750000-0x0000000000756000-memory.dmp

    Filesize

    24KB

  • memory/1484-48-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/3636-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/3636-1-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/3636-2-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/3636-3-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/3636-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB