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Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2024, 04:24

General

  • Target

    b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe

  • Size

    50KB

  • MD5

    bf7d36e3dd796107f570fb1206086730

  • SHA1

    01b71ad4a16d4d70249d69c58a5e19d3731f4024

  • SHA256

    b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09f

  • SHA512

    65e5100d597c2c2478f7e85a718b093e7950b927b1c187e843ee4449238fdbbae2da6a80a578d1a59aa40bf54a955a3c211e6d53afa6b0328e202b249dfaf6cd

  • SSDEEP

    768:W7BlphA7pARFbhM0Kkq81LOyq81LOl6Sl5lsSThy:W7ZhA7pApM21LOA1LOl6vSQ

Score
9/10

Malware Config

Signatures

  • Renames multiple (5202) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe
    "C:\Users\Admin\AppData\Local\Temp\b5c104b8d8e6cc7b35f5fb5f3eb1135b0108bbfe885d8a392d5b5f8c50cdc09fN.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:3488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3442511616-637977696-3186306149-1000\desktop.ini.tmp

    Filesize

    51KB

    MD5

    171ca1da7ed6af1ead313f67670d1972

    SHA1

    6a611c4660449314bb302b8ef73b4f7fa43f6cf1

    SHA256

    0fb3763b8cd38f16737d1a34e1d84ef35bad53ee0baee807e63f19ce17bcc0d7

    SHA512

    484985f67ea71c5a96d3988dbb3863d2abdc83487f46bcc7f2b454d06ee3070eca81c22e05d433b6fa9a0d73fd637c4f6f5e51475e656efd8cb4ac3156d11488

  • C:\Program Files\7-Zip\7-zip.dll.tmp

    Filesize

    149KB

    MD5

    b7684b57a6be91e896acfdc607a9977c

    SHA1

    5b61869236372bf5bed462621273e98660b28a4a

    SHA256

    ab4b01e8bfe2b5add26152be654a01344ff7b742bd1b114410eac8c54aba80a5

    SHA512

    ccdd6ee5148978c4ed5578d10c84a4f75855c7469c32d55d950c4e7e71e6835af435e1760ef94bfbb9062acc31ba59d3f0886d5da6f7cdfeb37398c62724b81d