Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/03/2025, 08:05

General

  • Target

    2025-03-21_04f74a41da8087182c1331038485b65d_cryptolocker.exe

  • Size

    90KB

  • MD5

    04f74a41da8087182c1331038485b65d

  • SHA1

    dfcd96c4c04f1739780c38e3ae817562bcccf488

  • SHA256

    1abff6a3874ee79411b558b51534fcbdd5372756237014f255a81128ff238151

  • SHA512

    13f57253521166f0a520970571be4125e6f04f88256164de30565db297a2a62115ed93c144b7f0e5874d7059e9d80a885626e36d69646dba887db5a31e1cb319

  • SSDEEP

    1536:Z6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMgcfn:Z6a+pOtEvwDpjtzu

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\2025-03-21_04f74a41da8087182c1331038485b65d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-21_04f74a41da8087182c1331038485b65d_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    90KB

    MD5

    fcee5da1859dde88f7becf3baa24cb51

    SHA1

    07331148ff69921e15b8e28dcf8cf8cb16ae5c3b

    SHA256

    a69300259856f83e7b7cbfbf9b6c459687e309177fc31ee840d6e0391d94747a

    SHA512

    5628939b64f85ea34484059e79cb7232921ae6cae9059086724684bd657b5cc6bb527e45ad997cb38e95d7e97099c3f488d3ed6c84825615e31328986dcc9783

  • memory/1400-2-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/1400-1-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/1400-0-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2812-15-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/2812-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB