Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/10/2024, 19:32

General

  • Target

    a5e50d1020a50106c3dac90f8844e5e9274cc2da9cac72f377656d1202802bacN.exe

  • Size

    61KB

  • MD5

    639036273e53d4aa2d70bebdf38e0390

  • SHA1

    9ab95eb83018a8de919747a6173f4b5d058fc470

  • SHA256

    a5e50d1020a50106c3dac90f8844e5e9274cc2da9cac72f377656d1202802bac

  • SHA512

    38c15cd7a72ad9071930d6263ed99ad053e2e53361a0b244bf21973585ce5bdd32694b1efeb5be9fe30ef10873d310f322873135a5bab99c612cf04c5f889ee6

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATBApwp133EskmK+:V7Zf/FAxTWoJJZENTBAOIfmKJfmK8

Malware Config

Signatures

  • Renames multiple (3139) 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\a5e50d1020a50106c3dac90f8844e5e9274cc2da9cac72f377656d1202802bacN.exe
    "C:\Users\Admin\AppData\Local\Temp\a5e50d1020a50106c3dac90f8844e5e9274cc2da9cac72f377656d1202802bacN.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1672

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\$Recycle.Bin\S-1-5-21-312935884-697965778-3955649944-1000\desktop.ini.tmp

          Filesize

          61KB

          MD5

          b11ef81eeae6f2db51a9891196c3c49a

          SHA1

          3b085877db93db81ef3ed16d6e55aefed4434b1c

          SHA256

          09cd2dd87b600c4f04d548ba03baf0f0442e6e6b39fdaa22ca931b7bbfe92ea4

          SHA512

          ed5ba582c8c9722c7d1ad2ccc60b006b521d9fce1d70146e8f88f8d786ec8bd1da0465348e8b3b7f81967eac9ecdc03557933856ff3bca2fad31cf4bf3252114

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

          Filesize

          70KB

          MD5

          29e45c98eb80d90e7cad6f34b91a791a

          SHA1

          acd6d948d2f80ed86bceacbf3fb8e7aea62314a1

          SHA256

          e721b6c45eced91e6099c01cbb853e7913cb5f071d5a19fc3fb8dba747d7e0d7

          SHA512

          79a08ea5f6807b1745d82ba4d518fae571094f539c0da94e1ef7278612f500d28e2266ea42ee28a0ebc87a0da2649e3fad44160a0a5dac42dd49f5b9ceca8190

        • memory/1672-0-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1672-74-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB