Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/10/2024, 19:39

General

  • Target

    b79e8a82575a55cdaa2d79d39a032f72a8a5921d4850594e993bc6282a8bc130.exe

  • Size

    70KB

  • MD5

    7dfafe071602387c813a13dbc25bf816

  • SHA1

    723bfdd09ca90c332570e518576559300199ac9e

  • SHA256

    b79e8a82575a55cdaa2d79d39a032f72a8a5921d4850594e993bc6282a8bc130

  • SHA512

    1977e11ad036637dc5e80db16634240445369d58c01a7688118044f80176e5f7fac3f85625700d997640fef01a6aafdf34a0e0b53830f79cc45aeb6a93d64325

  • SSDEEP

    1536:CTWn1++PJHJXA/OsIZfzc3/Q8zxY5a8XHwH1:KQSox5a8s

Malware Config

Signatures

  • Renames multiple (601) 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\b79e8a82575a55cdaa2d79d39a032f72a8a5921d4850594e993bc6282a8bc130.exe
    "C:\Users\Admin\AppData\Local\Temp\b79e8a82575a55cdaa2d79d39a032f72a8a5921d4850594e993bc6282a8bc130.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2176

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\$Recycle.Bin\S-1-5-21-457978338-2990298471-2379561640-1000\desktop.ini.tmp

          Filesize

          70KB

          MD5

          b123cefc0705ac4aa7988427b13a0ada

          SHA1

          305ab3300b26e906c6fc53c418fd6fa19d693fd3

          SHA256

          98b80884c4cd276471df4e82f4cc57ae76573d6e45ee1a2577429b23c53fbf44

          SHA512

          d358b6bc318f65e25220efd81950550698381ed38137edd7c37919edd9ef16c49f111a333d64bf75226bc932bb1608990f3dd3f4da245934b95fe2c9505588ea

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

          Filesize

          79KB

          MD5

          a43a7ca4e280393a6a79206e093d2918

          SHA1

          8885bf557ab2fa553cbbb690c7b5ad04e04e2d5a

          SHA256

          28dc13beed9d5f82eeffc193bc089a64111c9fedf4841d17dec11943bc8a11d7

          SHA512

          d184e0bb0fe652a44a496a4f07f81d9059f9ff62cd4c5451eae086494a4ae935304b4d1c6617019f3dfe93a7b5f55ff01fcafa178c30feb3e1e1ca017af44637

        • memory/2176-0-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB

        • memory/2176-22-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB