Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-10-2024 02:27

General

  • Target

    d4f9cf6ba03b172f15d8a9a6b02038700384055ff0377cd7162e7a479acbb82a.exe

  • Size

    77KB

  • MD5

    bf0af6f67214b70e88a2f118ad4a5183

  • SHA1

    6482a61a082049eb21344ffa4748cea953d60003

  • SHA256

    d4f9cf6ba03b172f15d8a9a6b02038700384055ff0377cd7162e7a479acbb82a

  • SHA512

    cdb51e046ff66d04c4c775e6ef93f15f6af67f197c3fa65b93b38eb72eca13f3cd6853a9f9073ce155775324511681ae170039ac5b6f2127d21934e663037d9b

  • SSDEEP

    1536:CTWn1++PJHJXA/OsIZfzc3/Q8wYeHNm5EvDxfIyKoIWbsHfySkT5GeCyi348oWGp:KQSodYeHNmkDxfIyKoIWbsHfySkT5GeX

Malware Config

Signatures

  • Renames multiple (3743) 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\d4f9cf6ba03b172f15d8a9a6b02038700384055ff0377cd7162e7a479acbb82a.exe
    "C:\Users\Admin\AppData\Local\Temp\d4f9cf6ba03b172f15d8a9a6b02038700384055ff0377cd7162e7a479acbb82a.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-1846800975-3917212583-2893086201-1000\desktop.ini.tmp

    Filesize

    78KB

    MD5

    371f9ee5cd1d40bef6218ba95d378595

    SHA1

    8a508ecebd2b6d25f62d24345c01fcdd44b2e8e0

    SHA256

    7bba35b8ec5cf8113953da8e09c0103e387113555d8b4b41b3cb48e8a04fdf35

    SHA512

    ab2694f3be05201eb3b7939190bea068b5886118bd1bf690fd9ec5497697df472d0ca37628fb016a23bf0e096afb7b144f752cd6b36c00d2f78d8f38363792c5

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

    Filesize

    86KB

    MD5

    85c54a5b5f6756ecc5e75f4cfeb7451b

    SHA1

    536758a8ef47aaa38535af62d10c5b1d3a633f56

    SHA256

    8cb4cf85d8e849085ef9c71c6aa5500931eb0c0e944370952c5027340022f995

    SHA512

    4a8c15123a21aade9c2ba618cbf4897eea4cfc75994646a807645a64d3bb58775c0e702b184c439259aa8f42b8d568175e738fa2ddbe81d974ee9917407d7d4d

  • memory/764-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/764-75-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB