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Analysis

  • max time kernel
    142s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    14/04/2023, 16:54

General

  • Target

    de63f9bb81cb0c7d507b3467496d5591b3e225184cea668a5bae806a688221d8.exe

  • Size

    1.1MB

  • MD5

    0000feece3c6b200c9cd6f9187e7c1d4

  • SHA1

    26531bee9aa222cebabaa3a45cb4f40242577a64

  • SHA256

    de63f9bb81cb0c7d507b3467496d5591b3e225184cea668a5bae806a688221d8

  • SHA512

    3eb45971617d26456863c29b14608dd3b114b4fa0b2200641c0876d394ef7fa5976eb15e2f3481d02dc8150259592503e574f8964fc0c57bc1c22b1b4bf6502d

  • SSDEEP

    12288:OSgkDHP50rV+ABDuRyUv1N4q147GQ/5ldYIv/HSPsW2hY4DQFu/U3buRKlemZ9Dq:OrkO+suRy4xen/5lT3ysWKaAADUJ

Score
6/10

Malware Config

Signatures

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de63f9bb81cb0c7d507b3467496d5591b3e225184cea668a5bae806a688221d8.exe
    "C:\Users\Admin\AppData\Local\Temp\de63f9bb81cb0c7d507b3467496d5591b3e225184cea668a5bae806a688221d8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Users\Admin\AppData\Local\Temp\de63f9bb81cb0c7d507b3467496d5591b3e225184cea668a5bae806a688221d8.exe
      "C:\Users\Admin\AppData\Local\Temp\de63f9bb81cb0c7d507b3467496d5591b3e225184cea668a5bae806a688221d8.exe" fromshell
      2⤵
      • Checks whether UAC is enabled
      • Modifies Internet Explorer settings
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:1564

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    61KB

    MD5

    e71c8443ae0bc2e282c73faead0a6dd3

    SHA1

    0c110c1b01e68edfacaeae64781a37b1995fa94b

    SHA256

    95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

    SHA512

    b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    48546fff145be2f3aea9b414fdc68434

    SHA1

    b309b7d462b0752d4402022b8809d7ccb99becd9

    SHA256

    22dfe1e3e6785e804e1d24e2bcde917446f28dc94c018d7222951f830a7e61bc

    SHA512

    0092c5ea568c6c8cec1a869fd2904933dea5d061f78748928a3b9527cc205f0cff800e00391fb4ccd1f37d60ee1c7a2630f178d5fce7cb0572f838c62534df46

  • C:\Users\Admin\AppData\Local\Temp\Cab1BDD.tmp

    Filesize

    61KB

    MD5

    fc4666cbca561e864e7fdf883a9e6661

    SHA1

    2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

    SHA256

    10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

    SHA512

    c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

  • C:\Users\Admin\AppData\Local\Temp\Tar1DC8.tmp

    Filesize

    161KB

    MD5

    be2bec6e8c5653136d3e72fe53c98aa3

    SHA1

    a8182d6db17c14671c3d5766c72e58d87c0810de

    SHA256

    1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

    SHA512

    0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

  • memory/1564-58-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/1564-145-0x0000000000400000-0x000000000052A000-memory.dmp

    Filesize

    1.2MB

  • memory/1564-167-0x0000000000400000-0x000000000052A000-memory.dmp

    Filesize

    1.2MB

  • memory/1740-57-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1740-144-0x0000000000400000-0x000000000052A000-memory.dmp

    Filesize

    1.2MB

  • memory/1740-155-0x0000000000400000-0x000000000052A000-memory.dmp

    Filesize

    1.2MB