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Analysis

  • max time kernel
    120s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    26/07/2024, 17:29

General

  • Target

    37437f0f793ecb09ab51a7ac94e81dd0N.exe

  • Size

    42KB

  • MD5

    37437f0f793ecb09ab51a7ac94e81dd0

  • SHA1

    29105f2cc798cec6a528d58687045ba29253654a

  • SHA256

    d06a368a115c4d7cf0fc50a4d1e01eccc29040ac471aa9a79ee8c91c862f6a09

  • SHA512

    8b0489af4f6e7e7c0b77b5122c2dd43acbef6f1fd139346f39f6ec8d18a672fbaaa20d5491d652205919dd38d5ec90a05ac9c4f11e237bdcc2583020cafa2a32

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjyJJXGiXZBGrG6:V7Zf/FAxTWoJJXS

Malware Config

Signatures

  • Renames multiple (2863) files with added filename extension

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

  • UPX packed file 4 IoCs

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

  • 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\37437f0f793ecb09ab51a7ac94e81dd0N.exe
    "C:\Users\Admin\AppData\Local\Temp\37437f0f793ecb09ab51a7ac94e81dd0N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2172136094-3310281978-782691160-1000\desktop.ini.tmp

    Filesize

    42KB

    MD5

    2adb00d70c7b9ffd286108dc273df1bb

    SHA1

    2dea32f8825fd5687171d5aa489b31fc2da46e2a

    SHA256

    0db0e6ed9162fcd481b414abc4c3becb6ded9699d506622833dfa0b30712899b

    SHA512

    05791a78a3353ca7b056f59843f6d7f6e7c04c591ba21b492cfb98a846f1ed3ec5549a5ab6a576b72881c9ef6a837c7c7c26060cf7dd7798e2892ef83f69e7f9

  • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp

    Filesize

    51KB

    MD5

    40e084ce8673317cb88e6c6509f4fab2

    SHA1

    70914f80e5ce820c70bcc5048b80899064ff98d6

    SHA256

    eb7f81ff79bb29089e6feace01ce9de1d6de4ff936dae4872469b0d304035c43

    SHA512

    4a75f615df5c341ca362e827dae749e6bc017ea4bc5b4a4c62f36eecfc35e121a6b3cc8f361bfb5f6902fcba6ffad7e1ea954f32147527c695d7d270d56850f8

  • memory/1712-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1712-574-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB