Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12/06/2024, 17:12

General

  • Target

    2024-06-12_9439a0c4a7880e6d9843517b732e9694_cryptolocker.exe

  • Size

    41KB

  • MD5

    9439a0c4a7880e6d9843517b732e9694

  • SHA1

    9363dc101688be8befffc379c47226feb5bd3613

  • SHA256

    a3954fdbaffd74c474a3af245900c83b017bcd4699314c8f21d7197479f34a91

  • SHA512

    3dfb0275ef6fa5f4ea068bb06a1c9cdac41bf8bb2044dda61856d1400f0b88f8118422eea2a1dd250d8cf2f1ebe42a224bd0d1715fbee043c683e07b4d7c0ad8

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuD+8:ZzFbxmLPWQMOtEvwDpjLeJAsKcZ

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 2 IoCs
  • 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).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-12_9439a0c4a7880e6d9843517b732e9694_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-12_9439a0c4a7880e6d9843517b732e9694_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2168
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    41KB

    MD5

    3f02029863948d49c33ff9e9e324488f

    SHA1

    85fc2c2871b4a53474410af836d88e299d083923

    SHA256

    13bfe39f56efc483b7efc0b7aa997640e6ac90fe0d94e31aafa8c88c1d33752e

    SHA512

    9128bf1a0dcae978b954010c883056edfb4f3556f998f36cf418707872188144ffdad12c1a101b1cdf0c05f5978f317664f097b369084d09748cca0bc53db9c5

  • memory/2168-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2168-8-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB

  • memory/2168-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2168-1-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/2596-16-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2596-23-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB

  • memory/2596-24-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB