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Analysis

  • max time kernel
    153s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2022, 18:54

General

  • Target

    c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4.exe

  • Size

    124KB

  • MD5

    0f3d0f72328d562ba2f3f92daea7fccd

  • SHA1

    d9b99e0faaa667b1effa7d2b5efcf4a081039cef

  • SHA256

    c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4

  • SHA512

    666734f91dea31760679bbcb851fc3e2b7008908b5ba340d96491f4f3b4479ebc4452b2a310c1b93f301e7c676cffe6e4fbf2559ad003a30ad7f21a46dce937a

  • SSDEEP

    1536:JDEchwRTuBxeDtMYHa27J14ltxporZ45iMNeG0h/y:pEchwRTkeV6gJ1uCt45eq

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 53 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4.exe
    "C:\Users\Admin\AppData\Local\Temp\c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3724
    • C:\Users\Admin\boyew.exe
      "C:\Users\Admin\boyew.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1136

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\boyew.exe

    Filesize

    124KB

    MD5

    1e563dca4033403f128e2db776de427f

    SHA1

    beeb2e053db1a2910952e2a55b48de47f5d8838a

    SHA256

    9e2f690c4c877307e39cefb3b2711416486ef0aaa57984eea8edafd094504dba

    SHA512

    2d45e5fd87c02825e670ae13757ccbd9303183ff1afdd23c471050b73d36a1ab4194005baa5707bbd0df2f0559e0c9e2d233dfc54b0dcbf31d34551efc2484db

  • C:\Users\Admin\boyew.exe

    Filesize

    124KB

    MD5

    1e563dca4033403f128e2db776de427f

    SHA1

    beeb2e053db1a2910952e2a55b48de47f5d8838a

    SHA256

    9e2f690c4c877307e39cefb3b2711416486ef0aaa57984eea8edafd094504dba

    SHA512

    2d45e5fd87c02825e670ae13757ccbd9303183ff1afdd23c471050b73d36a1ab4194005baa5707bbd0df2f0559e0c9e2d233dfc54b0dcbf31d34551efc2484db

  • memory/1136-140-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1136-142-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/3724-132-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/3724-141-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB