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Overview
overview
3Static
static
1COVAULT-19...r).rar
windows10-2004-x64
3COVAULT-19...s.json
windows10-2004-x64
3COVAULT-19...19.exe
windows10-2004-x64
1COVAULT-19...19.exe
windows10-2004-x64
3COVAULT-19...19.pdb
windows10-2004-x64
3COVAULT-19...v.json
windows10-2004-x64
3COVAULT-19...g.json
windows10-2004-x64
3COVAULT-19...ry.dll
windows10-2004-x64
1COVAULT-19...on.dll
windows10-2004-x64
1COVAULT-19...og.dll
windows10-2004-x64
1COVAULT-19...ol.dll
windows10-2004-x64
1COVAULT-19...ws.dll
windows10-2004-x64
1COVAULT-19...er.dll
windows10-2004-x64
1COVAULT-19...er.dll
windows10-2004-x64
1COVAULT-19...ws.dll
windows10-2004-x64
1COVAULT-19...og.dll
windows10-2004-x64
1COVAULT-19...ol.dll
windows10-2004-x64
1COVAULT-19...ws.dll
windows10-2004-x64
1COVAULT-19...ry.dll
windows10-2004-x64
1COVAULT-19...er.dll
windows10-2004-x64
1COVAULT-19...rp.dll
windows10-2004-x64
1Analysis
-
max time kernel
1600s -
max time network
1573s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
18/04/2023, 15:25
Static task
static1
Behavioral task
behavioral1
Sample
COVAULT-19 (server).rar
Resource
win10v2004-20230220-en
Behavioral task
behavioral2
Sample
COVAULT-19 (server)/COVAULT-19.deps.json
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
COVAULT-19 (server)/COVAULT-19.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral4
Sample
COVAULT-19 (server)/COVAULT-19.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral5
Sample
COVAULT-19 (server)/COVAULT-19.pdb
Resource
win10v2004-20230221-en
Behavioral task
behavioral6
Sample
COVAULT-19 (server)/COVAULT-19.runtimeconfig.dev.json
Resource
win10v2004-20230220-en
Behavioral task
behavioral7
Sample
COVAULT-19 (server)/COVAULT-19.runtimeconfig.json
Resource
win10v2004-20230220-en
Behavioral task
behavioral8
Sample
COVAULT-19 (server)/Microsoft.Win32.Registry.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral9
Sample
COVAULT-19 (server)/Newtonsoft.Json.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral10
Sample
COVAULT-19 (server)/System.Diagnostics.EventLog.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral11
Sample
COVAULT-19 (server)/System.Security.AccessControl.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral12
Sample
COVAULT-19 (server)/System.Security.Principal.Windows.dll
Resource
win10v2004-20230221-en
Behavioral task
behavioral13
Sample
COVAULT-19 (server)/System.ServiceProcess.ServiceController.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral14
Sample
COVAULT-19 (server)/WindowsFirewallHelper.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral15
Sample
COVAULT-19 (server)/runtimes/unix/lib/netcoreapp2.1/System.Security.Principal.Windows.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral16
Sample
COVAULT-19 (server)/runtimes/win/lib/netcoreapp2.0/System.Diagnostics.EventLog.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral17
Sample
COVAULT-19 (server)/runtimes/win/lib/netcoreapp2.0/System.Security.AccessControl.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral18
Sample
COVAULT-19 (server)/runtimes/win/lib/netcoreapp2.1/System.Security.Principal.Windows.dll
Resource
win10v2004-20230221-en
Behavioral task
behavioral19
Sample
COVAULT-19 (server)/runtimes/win/lib/netstandard2.0/Microsoft.Win32.Registry.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral20
Sample
COVAULT-19 (server)/runtimes/win/lib/netstandard2.0/System.ServiceProcess.ServiceController.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral21
Sample
COVAULT-19 (server)/websocket-sharp.dll
Resource
win10v2004-20230220-en
General
-
Target
COVAULT-19 (server)/COVAULT-19.runtimeconfig.json
-
Size
260B
-
MD5
8ca3b7795e000c8aeb8da3e7a4ecbeea
-
SHA1
3af08e88a8c7d3b31135ec105105d8ecf1a8af8d
-
SHA256
2c6dd6135c044b210aa1168389205f5c4c2b6d721328f15a69d4dbde3510030b
-
SHA512
3cc0a89c936708ed7c744630ca2e8c734b3cb2356cfb52a7b77779f88d838635f4d5c896ae18964f4c87b1da6b50d416ccbcea7ede5a605350180ed3fda5349d
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000_Classes\Local Settings OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000_Classes\Local Settings cmd.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1884 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\COVAULT-19 (server)\COVAULT-19.runtimeconfig.json"1⤵
- Modifies registry class
PID:4560
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1884