Analysis

  • max time kernel
    119s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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 (4625) 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:3960

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\$Recycle.Bin\S-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

          Filesize

          61KB

          MD5

          641850286b21d67f95957048224473a5

          SHA1

          68e9b0a9371f21e099d3563a3bafa3f7d0b40e56

          SHA256

          9c72cde3444d7fbbaec17904d49215990495fbed3b6ffd2ee608181c11f4dd7c

          SHA512

          2d99ec6caa12942943a7ca817fcc3f2fbdcbbcef0b8083237dd521638298bdfa4e3fa389cbadbb3d6ad3be1b975cd1ebcada8671607cd81e0e9f28a45ec51632

        • C:\Program Files\7-Zip\7-zip.dll.tmp

          Filesize

          160KB

          MD5

          8b3c74cd021f1c2d40aaca24028418ca

          SHA1

          ffd41cfe3e05107a5a6ec288e05079da12500f6f

          SHA256

          4a73f6f8685a761056fc7c707d2718102cf864f1e381b1a81d660a548d468e5c

          SHA512

          9f63858ea34f2952b675c6283dd6a54f3dc91d1befbf3de9ceb72a72a6592af78e7241a4ef2df89410bb46c88784288a15510c7ad8f5c2d84432101eae61a622

        • memory/3960-0-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/3960-902-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB