Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09/10/2024, 10:44

General

  • Target

    2024-10-09_a3fde77e46724f9db3acfa0125cb99ed_cryptolocker.exe

  • Size

    82KB

  • MD5

    a3fde77e46724f9db3acfa0125cb99ed

  • SHA1

    893d6038e2426c3b771262ba1ab837c4e70a0fc3

  • SHA256

    2d8ddcd0fb5eb95a22b312e50e4964034fb3ad62a0c11f92e5fa747cd9c54bb6

  • SHA512

    71653d8f22436fe0d0f4d9a1aee476128cf25bd95a263f579a9d078c1c214a4a2539bed41702acf57b0d3f36d09efe17fea6ae4866aba78256fc50cd7ab22277

  • SSDEEP

    768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvf:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8f

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-09_a3fde77e46724f9db3acfa0125cb99ed_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-09_a3fde77e46724f9db3acfa0125cb99ed_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    82KB

    MD5

    0defcd364f9dc133ab915e650b9ff009

    SHA1

    d19158335a8cebc0fbdad1ad2760a4e4f3245d57

    SHA256

    941b50afb04790767570d27645f159138cd439f0d30acb508170a987de7bf771

    SHA512

    09c6024934d855c4d943f6f63a9a18d541c3f239cd494d527ae0ae93be8a6fe3638a0a17addcff384f6855ea0b45e951e3e2ab9321544bf0986a389b23373be5

  • memory/1740-18-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/1740-25-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1740-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2672-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2672-1-0x0000000000430000-0x0000000000436000-memory.dmp

    Filesize

    24KB

  • memory/2672-2-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2672-9-0x0000000000430000-0x0000000000436000-memory.dmp

    Filesize

    24KB

  • memory/2672-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB