Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2024 12:18

General

  • Target

    2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe

  • Size

    44KB

  • MD5

    f700e6f8a55cd1e35af43d0237cd27c3

  • SHA1

    c4f36efeedac3929f8eca3302d794c717d69c032

  • SHA256

    dd516eb8ff58d59aebbed60b949ca92f219011f0a9d37044497774d6ccd1a5df

  • SHA512

    2050f82a94a3f8d94aaa99e4db2b8769f67db5a2734abb5af56619f2993debcb2ad5fc0e29c80bc6c638d0ca29477028104a38da3a54b1086fa560a582c2f9ad

  • SSDEEP

    768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1Th:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkLh

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\2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2724
    • 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:2500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    44KB

    MD5

    ffb347c42d631895fd96933191dfa52f

    SHA1

    eea6f0eb3112bfce43e4aee8d7d04e58bb22cd5d

    SHA256

    8fa9440f20f022458aa2f2ffdaa2ac6b1d8ca86fceefd7c2daab2b07af717951

    SHA512

    dc858736d83c7090d437a9e0dfc377fa79e0caaab34d76550b750fc8a6f2c938760fb76c2cdcb8e1c6e8c4905990ca0ef2c0fe85e0356e55392f0dbffebebc01

  • memory/2500-16-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2500-25-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2500-18-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2500-26-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2724-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2724-2-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/2724-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2724-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2724-15-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB