Analysis

  • max time kernel
    159s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220722-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-07-2022 22:20

General

  • Target

    61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe

  • Size

    892KB

  • MD5

    14d8aab063f78a8c70801f240b8b7b42

  • SHA1

    03fe13043ff7baa44f2ee25b9d973feffd461905

  • SHA256

    61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701

  • SHA512

    433e2215ae50e5b8bf45493295ad38c3df21bf7b88680903b22f93c6a0d4494f7957bc802886ec9f1389f22ad8dec06608cde10946aafde88705ae8a5057d3ea

Malware Config

Extracted

Family

webmonitor

C2

blazenowen.wm01.to:443

Attributes
  • config_key

    EGm5jUWfcr82Lzdv9JfTfE11MdAbW1NV

  • private_key

    eO2U1b402

  • url_path

    /recv4.php

Signatures

  • RevcodeRat, WebMonitorRat

    WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.

  • WebMonitor payload 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Unexpected DNS network traffic destination 63 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe
    "C:\Users\Admin\AppData\Local\Temp\61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4952
    • C:\Users\Admin\AppData\Local\Temp\61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe
      "C:\Users\Admin\AppData\Local\Temp\61107d11d3d22b6949203ea0e0be74aa4d5b0308455e9e3dcf87491ee2063701.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: RenamesItself
      PID:3000

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3000-133-0x0000000000000000-mapping.dmp

  • memory/3000-134-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/3000-135-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/4952-132-0x0000000000400000-0x00000000004E4000-memory.dmp

    Filesize

    912KB