Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/10/2024, 19:38

General

  • Target

    27a6e753378b70d2da82246c25ab18966fa5fb5e1124cb8ab62b534c0d9555d0.exe

  • Size

    90KB

  • MD5

    4967679a3813496c0dc3752f310dcde9

  • SHA1

    23f41a02864f3e4227b175bcc5de00be48cfd744

  • SHA256

    27a6e753378b70d2da82246c25ab18966fa5fb5e1124cb8ab62b534c0d9555d0

  • SHA512

    1f24a0027aefa6309a6162789ac0130063d3ed3398e381cce33f7030604c886d1427b0c1126e3adb592293e16cc8bc4ade95697f193de4396d1f4ee061fc7276

  • SSDEEP

    1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY5Kw1qS:fnyiQSox5Kw1

Malware Config

Signatures

  • Renames multiple (3527) 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\27a6e753378b70d2da82246c25ab18966fa5fb5e1124cb8ab62b534c0d9555d0.exe
    "C:\Users\Admin\AppData\Local\Temp\27a6e753378b70d2da82246c25ab18966fa5fb5e1124cb8ab62b534c0d9555d0.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2912

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          91KB

          MD5

          6fee170fc1a8d9e0aaa9c6a8ad7bd87c

          SHA1

          dddbcfe3f55c29c06d41d74341027291ef137891

          SHA256

          4bd41ed663ab557d01137dc97d8dbf40035116996ab8e606c4f55b1cceed92c3

          SHA512

          e167a8589a1d7bd70a15a7f8752fc971141773c16e121648528e4051cb0242d69d5dda5315105e8c86a2f3569278ca0e4d605fcf0608182e6a54dc685448d922

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

          Filesize

          100KB

          MD5

          8a16f495e5d64a60136c1e4faff51ea9

          SHA1

          48e97c8fa2fdabd43e33e613a1539b2efc8bf69c

          SHA256

          58f02fa4d20809617dff93c99a1a6477754a061ea9f6722c96712421637e9561

          SHA512

          15522a591f43edd5e8e1acc3a60bd14e65a293392801bd4a324f48bb71ee689e45cb8b8d11ce203cba024a4c86d2092b32ba282367835c842603dbce60bd946b

        • memory/2912-0-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2912-70-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB