Analysis

  • max time kernel
    132s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/10/2024, 22:25

General

  • Target

    2024-10-04_55b3a204f17a2405f903ae7fe3bf82c8_cryptolocker.exe

  • Size

    73KB

  • MD5

    55b3a204f17a2405f903ae7fe3bf82c8

  • SHA1

    b296c3a618f5b958b43abc22f8719cfab9114f9a

  • SHA256

    779206713dcab269ca363e4517c516f851bb8fac2fc4f5ad4dafa3e3ba3694f6

  • SHA512

    2802795fd941e17ee66bee51f7ca35283ce8bf5f37afc2500f29a37c7ffe47dcf62bb0b29035595ddc6955891d69f5569e382e99da10b98f3ee772e65b50602e

  • SSDEEP

    1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZO59:DW60sllyWOtEvwDpjwF85s

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\2024-10-04_55b3a204f17a2405f903ae7fe3bf82c8_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-04_55b3a204f17a2405f903ae7fe3bf82c8_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2508
    • 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:2504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    73KB

    MD5

    3339e8f3645876aa1fde3ca38c0dceac

    SHA1

    887e679e8a9909a0c40f07ab1c38f2feec616568

    SHA256

    b55ba13d4a228a201265dba56dca503c5934608a29b489f2ccab2babb82db1e2

    SHA512

    93a22a5c08ea1febb78b6bffe20dd5c38f4e0cd09fc788886ba89e0fdc26121d7b11a8d3daf3fa063f9ba72508498164db5de64073ad6f52c6a118953345659a

  • memory/2504-17-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2504-20-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2504-19-0x0000000000430000-0x0000000000436000-memory.dmp

    Filesize

    24KB

  • memory/2504-27-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2508-3-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

    Filesize

    24KB

  • memory/2508-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2508-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2508-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2508-13-0x0000000002A80000-0x0000000002A8B000-memory.dmp

    Filesize

    44KB

  • memory/2508-16-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB