Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    12-02-2024 19:24

General

  • Target

    2024-02-12_5d137527c0ba13d90f13544a9435d752_cryptolocker.exe

  • Size

    38KB

  • MD5

    5d137527c0ba13d90f13544a9435d752

  • SHA1

    3560ad201fe10805258769618151973720c32feb

  • SHA256

    5a0e82a48f1b99e071672a54fdc682b15d68a1f0ca5f2c26d40fa059b2ceacf0

  • SHA512

    9d1999240224e2e099850ebd0ac94a99f82e740576d87b469452109435f6c9bd22128eca93b4df220ff785780c1ab683ce3e9715c1badc36e9ab135fd491d389

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HKcf1Y:X6QFElP6n+gJQMOtEvwDpjBsYK6m

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-02-12_5d137527c0ba13d90f13544a9435d752_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-12_5d137527c0ba13d90f13544a9435d752_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2012

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

    Filesize

    38KB

    MD5

    80cb4ab61210a16fa81c59065fea6e77

    SHA1

    0cd661b90a01fbedb329864d175a6228e3b8e0f3

    SHA256

    19b7ab244a2535c146aaca5cd4c270a53153c944aeaf68dbf71671b3c3e1627c

    SHA512

    dabf687e678e45ff613683ad7925d090ae4864995420e56398d259b7eb5c3e1e9d8429b6268f0c7d3c88a80cfa4a4e009bde477ecca47bd2651665d41dada884

  • memory/1104-0-0x00000000003C0000-0x00000000003C6000-memory.dmp

    Filesize

    24KB

  • memory/1104-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/1104-2-0x00000000003C0000-0x00000000003C6000-memory.dmp

    Filesize

    24KB

  • memory/2012-15-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/2012-16-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB