Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    09-04-2024 20:01

General

  • Target

    902c65798181b47545854c7f93b2fbef.exe

  • Size

    208KB

  • MD5

    902c65798181b47545854c7f93b2fbef

  • SHA1

    817c3c2345c324b05cc7b492dd1d54d68871fb87

  • SHA256

    421f4440f58626dee0b210e97b0fea1c3f65240694e55112f27cb8d94d96523a

  • SHA512

    f43c5a5dbf342d03f95288a77a39d67535f43b342283657dee9910d5290667046d03e4e085dac58abc5a09c080cac3305f59085d01ba5d371d2a48e363dc1df0

  • SSDEEP

    6144:s8504w4zGMjtHNq2ARO6kERKci+YTUkdBEtWk/Vc1e7VQEj:Ij4iMxHNpAPk31+Y4kdBEtZVQ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\902c65798181b47545854c7f93b2fbef.exe
    "C:\Users\Admin\AppData\Local\Temp\902c65798181b47545854c7f93b2fbef.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\windows\system\EWSOMBM.exe.bat" "
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3060
      • C:\windows\system\EWSOMBM.exe
        C:\windows\system\EWSOMBM.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\system\EWSOMBM.exe.bat

    Filesize

    74B

    MD5

    c65878ff11ec4d682e1a6d5500d4f2c2

    SHA1

    bdf97bac9f54a90a06331d93e6902162ff51c2a4

    SHA256

    6a055c801495ad98fe01c6bd24e5a07875cf81531cefafb848d2d486b05cdf31

    SHA512

    87eb03a33dcabd057016342dac09a4bd39264670bf6a5eaf3be5eabd4e7bf9055a639fc6f72fdad8c2dbaf5beee6da58307394c71f7fd78e648c6a2ece4227aa

  • \Windows\system\EWSOMBM.exe

    Filesize

    208KB

    MD5

    3bc711ddb36b248a296b7858d8044c20

    SHA1

    9b7fc35cb908c80df0ba5d6c5644f16754c83f34

    SHA256

    6edb8c1d1d9e46ce3880da6ddb070668b6d847ae83bd6192596fc0bb4768305b

    SHA512

    00810cbcaefc5fb3ad2c1c2b66370eaaa22e99fc124a4811a9145ad8a222c76188df1f70cd9d9700986f414ea730ad906e790f4e4034f8f10c7ac9119def025b

  • memory/2040-20-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2040-21-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2380-0-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2380-12-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/3060-18-0x0000000000270000-0x00000000002A8000-memory.dmp

    Filesize

    224KB

  • memory/3060-19-0x0000000000270000-0x00000000002A8000-memory.dmp

    Filesize

    224KB