General

  • Target
    Velocity (1).7z
  • Size 19.7MB
  • Sample260730-ejmdescn9s
  • SHA256 f27865ff8f60776ebd4febc0d8528aa3530396d4e4534ebe2b4f765e047b05aa
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Microsoft.Web.WebView2.Core.dll
    • Size 634KB
    • SHA256 2b999d1775004e98b32f281f4518f3952df650970748527ef5b54fa9979d6c9c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      Microsoft.Web.WebView2.WinForms.dll
    • Size 38KB
    • SHA256 08c7014d311979c3e37ea56ae8233f3bdf363013498b11b1c7ee2bcfb29cf08a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Microsoft.Web.WebView2.Wpf.dll
    • Size 81KB
    • SHA256 b6a200f3dfcf2cb6c3b6e6179da0590e01525b111e8f85b94c6060456102972f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      Microsoft.Windows.SDK.NET.dll
    • Size 23.7MB
    • SHA256 0ec371d93798852e36461c8adddbeadce0f963a04752f0b64e54fe19c1c834a7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      VelocityApi.dll
    • Size 21KB
    • SHA256 9945bf0b137c9f60e4fdd18e8d77b1e7c874936d6993d9e29b70820ba39a607c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      VelocityLite.dll
    • Size 18.6MB
    • SHA256 3867a2b72d32cf68210086edf0c94305578c3dbadbeb3f2bdabb3f79888bd9f7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Network Share Discovery

      Attempt to gather information on host network.

    • Probable phishing domain

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      VelocityLite.exe
    • Size 232KB
    • SHA256 c4c0b8e1593bc5481521cecfce00b953e3ee6d7323b98e7ddf2e8c90a78ce545
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Downloads MZ/PE file

    • Loads dropped DLL

    • Target
      WinRT.Runtime.dll
    • Size 516KB
    • SHA256 bcf3a14e8712a90837fc5c0d8c8a24696af2bd7f74e9767597ec81ededfb23db
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      XamlAnimatedGif.dll
    • Size 98KB
    • SHA256 557f3e03f38beeae6e2c6c554afe6c7a763843f3571e7ba4afce75dc70a182a9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      runtimes/win-x64/native/WebView2Loader.dll
    • Size 156KB
    • SHA256 8427b1fc58ec707813e5c0a51eb5d69397bb333250a7b891be4d3b123f1e0f1c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      runtimes/win-x86/native/WebView2Loader.dll
    • Size 118KB
    • SHA256 44ab92c2246ebfb5f98aa5726626fb44beb61543f2ef1803338af9fd295e63f0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Enterprise v16

Tasks

static1

Score
3/10

behavioral1

adwarepersistenceransomwarespyware
Score
6/10

behavioral2

Score
1/10

behavioral3

Score
1/10

behavioral4

Score
1/10

behavioral5

adwarepersistenceransomwarespyware
Score
6/10

behavioral6

Score
1/10

behavioral7

Score
1/10

behavioral8

Score
1/10

behavioral9

adwarepersistenceransomwarespyware
Score
8/10

behavioral10

Score
1/10

behavioral11

adwarepersistenceransomwarespyware
Score
8/10

behavioral12

adwaredefense_evasiondiscoveryexecutionpersistenceransomwarespywaretrojan
Score
8/10

behavioral13

discoverypersistenceransomware
Score
8/10

behavioral14

discoverypersistenceransomware
Score
8/10

behavioral15

Score
1/10

behavioral16

Score
1/10

behavioral17

Score
1/10

behavioral18

Score
1/10

behavioral19

Score
1/10

behavioral20

Score
1/10

behavioral21

adwarediscoverypersistenceransomwarespyware
Score
6/10

behavioral22

discovery
Score
3/10