Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29/04/2024, 10:50

General

  • Target

    04a044f515d960e9ebbd77546ea5fc6a.exe

  • Size

    164KB

  • MD5

    04a044f515d960e9ebbd77546ea5fc6a

  • SHA1

    fa38bd82c39fd6d9c30fa624bb9310a627561f00

  • SHA256

    06613449594e50c32490c868ee49b73a93d417f667839302ffab330ba2f18e50

  • SHA512

    de3674b16de52994992eefb284b9d10162b73a0e3d21d0ad063a33ae70d22aba7cb0571d6d3fefc73dac3e8a276cf16e5ae817d54743712f41e9124e53bd6020

  • SSDEEP

    1536:CTWn1++PJHJXA/OsIZfzc3/Q1pkMJ+ZGtK1+ZGtKQNMdTajOtGtU1wAIuZAIuJBg:KQSo1EZGtKgZGtK/PgtU1wAIuZAIuw

Score
9/10

Malware Config

Signatures

  • Renames multiple (381) 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\04a044f515d960e9ebbd77546ea5fc6a.exe
    "C:\Users\Admin\AppData\Local\Temp\04a044f515d960e9ebbd77546ea5fc6a.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2072

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\$Recycle.Bin\S-1-5-21-330940541-141609230-1670313778-1000\desktop.ini.tmp

          Filesize

          164KB

          MD5

          37696cda3b98e668703865709678cf26

          SHA1

          4e436b7bb2dbe25da9f148eecbb7704dc0e70ad7

          SHA256

          3284af0651aef41b023ec51706d5ccf8796f459595fd727a0dba72ac571856cf

          SHA512

          bbcf70cdbb74047ec133c8fa8e836fbc29f913f01fbf5d18ddcc8afc8adb6d3e9a39dba35324da39a8fbd67f2b9ecb2ef196af040a4c3ddaf5683f4e1dac7395

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

          Filesize

          173KB

          MD5

          ac3b6e0424df0beb390693a8e69fbac8

          SHA1

          7686db63e5bc71e8695bf39cfb268b73a0b4aaf1

          SHA256

          e62c9549f78eca64064287a04fc8b28fa31e1cff1abd47b66b209e5e8983a6cf

          SHA512

          3731c693874e7a9759838cc1a0a876afa4f99dee0d6f579d508d9570f8ecd49e6c5e70bf1771a332f161e84ed35879f7cad50a434ab45581c140bec0d1244e9f

        • memory/2072-0-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB

        • memory/2072-26-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB