Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    14/10/2024, 06:23

General

  • Target

    2024-10-14_26b7313f3676c1c52f69ae4ae512c74e_cryptolocker.exe

  • Size

    55KB

  • MD5

    26b7313f3676c1c52f69ae4ae512c74e

  • SHA1

    4ba6ffb8945815364eb64e17a21f88899700f1fd

  • SHA256

    4c1201eea6a4a81b8b11418c3001f62b37e756fa9ecae60ad9af1a074d916a88

  • SHA512

    6e5c707c35d9db74e4c20459b3260c2cade97cbe5e78501e762d1782e0612089ecd3634441ae98a67077d8c06911e7d99ed870bf151a926ac31232fad67a32c2

  • SSDEEP

    768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOkgS:z6QFElP6n+gKmddpMOtEvwDpj31ikgS

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\2024-10-14_26b7313f3676c1c52f69ae4ae512c74e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-14_26b7313f3676c1c52f69ae4ae512c74e_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2368
    • 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:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    56KB

    MD5

    9ddcb3c216a7d9a317a8212680c08e03

    SHA1

    7daa6e77472f2a188bf8efbea4f417991c2b2510

    SHA256

    ea5f525e32d4e268c6a4664805c036efb8f86b9f0d97b342bf8f88c4a4bd8eea

    SHA512

    0e015af94051f15322b3b4ccaef4f936d0c3b2ec4a81a3953bc26041dbfc499bf9d1b749ebcbb0d899d9f7a37009ace5a5303c02a6f90384176325d098b59ed9

  • memory/2368-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2368-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2368-2-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2368-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2368-14-0x0000000001E10000-0x0000000001E20000-memory.dmp

    Filesize

    64KB

  • memory/2368-16-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2704-18-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2704-25-0x00000000003C0000-0x00000000003C6000-memory.dmp

    Filesize

    24KB

  • memory/2704-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB