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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
1763s -
max time network
1234s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-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.pdb
-
Size
44KB
-
MD5
063fd1d52fa5897fe9e148344d4c5f79
-
SHA1
32b3a23a726efb1b603d2e33407f76c54b83fb74
-
SHA256
fe8f065a1964d28b9e6928b456f4bad0d7aaf36adb72a292f9ed58d9d852dee8
-
SHA512
0bd57a2b8ee395fa913930ce641edb59c385cd6c0d619479343370883f676f260d379cfa1a7d5bb89eb27d3e9a53c4622c38a2f71159560abd2df751582b2b63
-
SSDEEP
768:Z6BBrHayRMNecIy0BTtJLoXz1saxXwwwwQFrU:Qr6yRMENBTtJkX+mwwwwQFrU
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-1-5-21-2805025096-2326403612-4231045514-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1392 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\COVAULT-19 (server)\COVAULT-19.pdb"1⤵
- Modifies registry class
PID:1860
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1392