Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

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

General

  • Target

    2024-09-05_97a9c454833ac2dbe098475fc133c6ff_cryptolocker.exe

  • Size

    72KB

  • MD5

    97a9c454833ac2dbe098475fc133c6ff

  • SHA1

    c0605477b370fedc33c0c5d4b44be3d2b80e0bcd

  • SHA256

    e1f4db4a00381d9582977e1c1f3910e1a9ecee70fc7fee9111da7d23a6bec1c8

  • SHA512

    d6d41d0505eef8d4c864207134b92f03f8462d230e449f13218c9f81d490ceb4042279a7f54c8ec1e14155b240856e77135ce73851c4aa6f5a2ab9d3c6568c31

  • SSDEEP

    1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZOn:DW60sllyWOtEvwDpjwF854

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_97a9c454833ac2dbe098475fc133c6ff_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-05_97a9c454833ac2dbe098475fc133c6ff_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2752
    • 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:2276

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    72KB

    MD5

    4fb87486d08c17564a9cd88a6edb0224

    SHA1

    df1e95c3c7a0357c8ff20171d37cb174339be12b

    SHA256

    da6126a342410e6fec9f8ba73ce72ecafe0daa1e183fb7acffcc7a869a3ff55b

    SHA512

    88587563518eb5957dc5eca39a21fd980c37983d3ee962e2d2b017867faafcbe2a5d37e7dc1e2cf0cf2db4ff7af0067373b867bb5fe7151367ff635a68e02063

  • memory/2276-25-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2276-24-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2276-17-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2752-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2752-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2752-2-0x00000000002F0000-0x00000000002F6000-memory.dmp

    Filesize

    24KB

  • memory/2752-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2752-14-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB