Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/10/2024, 05:11

General

  • Target

    2024-10-10_913d79ed415cf23fa0da3a26dc621187_cryptolocker.exe

  • Size

    40KB

  • MD5

    913d79ed415cf23fa0da3a26dc621187

  • SHA1

    636a27cdb8ff886747f4b82430c5384b09378845

  • SHA256

    f2b79da2bc338b7a39e5eda1d44e9f02da530fbec2f854a8eb766c9e6b3d8d44

  • SHA512

    85bc4cdbfced086dfdbb40ed8524c7c5118660e2a7a938255a8042f2f828bc174bcf70ab95035dfe51c9f516ead215297f9f18d407ef13fd8433ecf99b458c49

  • SSDEEP

    768:qTVbxjgQNQXtckstOOtEvwDpjAaD3TUogs/VXpAPWRiQ:qTJu9cvMOtEvwDpjppVXzRh

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 5 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\2024-10-10_913d79ed415cf23fa0da3a26dc621187_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-10_913d79ed415cf23fa0da3a26dc621187_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2744
    • 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:2364

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    40KB

    MD5

    17ee7644cd45241455d0d887c5ba8177

    SHA1

    9467228fba2a62461b1e526e6ed0efec190c2505

    SHA256

    5041ea7e83ac8bf9298b2655fc4877d04a3dc93b5d448ca1bff139bd1fbb13c9

    SHA512

    e06c395b23e94d4e91cd231637e5a59f8c33348b0437f7fb7ea3e42274b23e5c81a3f5a3d5f99427fc8872aa021f2655b39b4155331002c0cd6b6421c1d7f1d9

  • memory/2364-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2364-26-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2364-19-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2364-27-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2744-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2744-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2744-2-0x0000000000210000-0x0000000000216000-memory.dmp

    Filesize

    24KB

  • memory/2744-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2744-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB