Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2024 12:15

General

  • Target

    2024-09-05_c5541dfaf320ff5c0ed1d9ae20763f35_cryptolocker.exe

  • Size

    72KB

  • MD5

    c5541dfaf320ff5c0ed1d9ae20763f35

  • SHA1

    e793df3128d19ad565686db1628512ebcd345d96

  • SHA256

    b94208a143d0708b8a046e0c811c4f9e9cd95ccbc4528a51224fe83f8be21be6

  • SHA512

    247feb12f407fa3ba5f1e4f334b0db5839b6e7ca5b1fd7e27dcf98993eeb167dc1fbe52987a1fa5d01f8f89c86f0af5fefa020d0c923b3d6d07a840352cfabaa

  • SSDEEP

    1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZOl0:DW60sllyWOtEvwDpjwF855

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_c5541dfaf320ff5c0ed1d9ae20763f35_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-05_c5541dfaf320ff5c0ed1d9ae20763f35_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2756
    • 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:2744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    73KB

    MD5

    5bc4243ad953320868017ff463fbc7de

    SHA1

    87ad57f181f040ad452152b28336d46f4ad6fb3c

    SHA256

    ad8442a2fc574519b5a8b803ab363592f52259b054f183f5616a90a69a689c95

    SHA512

    dbf4ee8aec977fad9ca7fd00a523d637de7eab335581bc8685a626712cdad8c9a97933107edbcd2646385e401fa765a1e5ef1b21a12e17a5f5019ea11ca930a7

  • memory/2744-16-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2744-18-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2744-19-0x0000000000360000-0x0000000000366000-memory.dmp

    Filesize

    24KB

  • memory/2744-26-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2756-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2756-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2756-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2756-2-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2756-14-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB