Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    10-06-2024 23:26

General

  • Target

    739bad7c83e49b69a40923bb0780c3d46d37f6e5cfb9b303f48189404bdc2647.exe

  • Size

    56KB

  • MD5

    01efd46b64cdc78eac7af7ea663a6c16

  • SHA1

    61c2ed35dbc6f2568a83f92be37975af8ea85833

  • SHA256

    739bad7c83e49b69a40923bb0780c3d46d37f6e5cfb9b303f48189404bdc2647

  • SHA512

    90928ca62a446a6b50f0ecf88e5cdf92ccd28cb33b3803a1df2d1f991da749c5510a0082798d11330988e5dd61867baa5f6e069b7532c85541682295db9cdc30

  • SSDEEP

    1536:CTWn1++PJHJXA/OsIZfzc3/Q8asUsJOLKc/L:KQSohsUsUKM

Score
9/10

Malware Config

Signatures

  • Renames multiple (3771) files with added filename extension

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

  • UPX dump on OEP (original entry point) 4 IoCs
  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\739bad7c83e49b69a40923bb0780c3d46d37f6e5cfb9b303f48189404bdc2647.exe
    "C:\Users\Admin\AppData\Local\Temp\739bad7c83e49b69a40923bb0780c3d46d37f6e5cfb9b303f48189404bdc2647.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2964

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-268080393-3149932598-1824759070-1000\desktop.ini.tmp

    Filesize

    57KB

    MD5

    95234a212e144b76a26c29dde7a6e194

    SHA1

    973b01d90503221dfde1309f44bed09f991eb603

    SHA256

    c29c3a90888bbb7c84f0ce100ac605f64043726c1618a45e93eb726d720c283b

    SHA512

    96cf922055518823297d4aaa9c02f62c50b83d4648cd869f68b724339f75b38635b47351dce6d010f7cbcbb471c2e8526e87322cdea35793c62a2490a57e3ecd

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

    Filesize

    66KB

    MD5

    9a5aeff038fa26eb81b0773adafa8a28

    SHA1

    3f29966de5d64a1abf8fe073043bd601e8215ed8

    SHA256

    4ef5f773896151aadcb61a38a9eb1f2b4f4b1ccc034180a768acf1e47c9296c3

    SHA512

    39bb15e6d11d526147ff11459f6d245ac57573c6d053b237445357ea17e4546cf467a50186598becc8a46dc16c56b5a4ec61ccb6c4b1ae699d5a47401983c579

  • memory/2964-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2964-86-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB