Overview
overview
10Static
static
10Quasar v1....e.html
windows7-x64
3Quasar v1....e.html
windows10-2004-x64
8Quasar v1....to.dll
windows7-x64
1Quasar v1....to.dll
windows10-2004-x64
1Quasar v1....ok.dll
windows7-x64
1Quasar v1....ok.dll
windows10-2004-x64
1Quasar v1....db.dll
windows7-x64
1Quasar v1....db.dll
windows10-2004-x64
8Quasar v1....db.dll
windows7-x64
1Quasar v1....db.dll
windows10-2004-x64
8Quasar v1....ks.dll
windows7-x64
3Quasar v1....ks.dll
windows10-2004-x64
8Quasar v1....il.dll
windows7-x64
4Quasar v1....il.dll
windows10-2004-x64
8Quasar v1....at.dll
windows7-x64
1Quasar v1....at.dll
windows10-2004-x64
8Quasar v1....on.dll
windows7-x64
1Quasar v1....on.dll
windows10-2004-x64
8Quasar v1....ar.exe
windows7-x64
10Quasar v1....ar.exe
windows10-2004-x64
10Quasar v1....ib.dll
windows7-x64
1Quasar v1....ib.dll
windows10-2004-x64
3Quasar v1....nt.exe
windows7-x64
10Quasar v1....nt.exe
windows10-2004-x64
10Quasar v1....et.dll
windows7-x64
1Quasar v1....et.dll
windows10-2004-x64
8Analysis
-
max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20250207-en -
resource tags
arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system -
submitted
10-02-2025 19:22
Behavioral task
behavioral1
Sample
Quasar v1.4.1/3rdPartyLicenses/BouncyCastle_license.html
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Quasar v1.4.1/3rdPartyLicenses/BouncyCastle_license.html
Resource
win10v2004-20250207-en
Behavioral task
behavioral3
Sample
Quasar v1.4.1/BouncyCastle.Crypto.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
Quasar v1.4.1/BouncyCastle.Crypto.dll
Resource
win10v2004-20250129-en
Behavioral task
behavioral5
Sample
Quasar v1.4.1/Gma.System.MouseKeyHook.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
Quasar v1.4.1/Gma.System.MouseKeyHook.dll
Resource
win10v2004-20250129-en
Behavioral task
behavioral7
Sample
Quasar v1.4.1/Mono.Cecil.Mdb.dll
Resource
win7-20241010-en
Behavioral task
behavioral8
Sample
Quasar v1.4.1/Mono.Cecil.Mdb.dll
Resource
win10v2004-20250207-en
Behavioral task
behavioral9
Sample
Quasar v1.4.1/Mono.Cecil.Pdb.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
Quasar v1.4.1/Mono.Cecil.Pdb.dll
Resource
win10v2004-20250207-en
Behavioral task
behavioral11
Sample
Quasar v1.4.1/Mono.Cecil.Rocks.dll
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
Quasar v1.4.1/Mono.Cecil.Rocks.dll
Resource
win10v2004-20250207-en
Behavioral task
behavioral13
Sample
Quasar v1.4.1/Mono.Cecil.dll
Resource
win7-20240729-en
Behavioral task
behavioral14
Sample
Quasar v1.4.1/Mono.Cecil.dll
Resource
win10v2004-20250207-en
Behavioral task
behavioral15
Sample
Quasar v1.4.1/Open.Nat.dll
Resource
win7-20241010-en
Behavioral task
behavioral16
Sample
Quasar v1.4.1/Open.Nat.dll
Resource
win10v2004-20250207-en
Behavioral task
behavioral17
Sample
Quasar v1.4.1/Quasar.Common.dll
Resource
win7-20240729-en
Behavioral task
behavioral18
Sample
Quasar v1.4.1/Quasar.Common.dll
Resource
win10v2004-20250207-en
Behavioral task
behavioral19
Sample
Quasar v1.4.1/Quasar.exe
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
Quasar v1.4.1/Quasar.exe
Resource
win10v2004-20250207-en
Behavioral task
behavioral21
Sample
Quasar v1.4.1/Vestris.ResourceLib.dll
Resource
win7-20241010-en
Behavioral task
behavioral22
Sample
Quasar v1.4.1/Vestris.ResourceLib.dll
Resource
win10v2004-20250207-en
Behavioral task
behavioral23
Sample
Quasar v1.4.1/client.exe
Resource
win7-20240903-en
Behavioral task
behavioral24
Sample
Quasar v1.4.1/client.exe
Resource
win10v2004-20250207-en
Behavioral task
behavioral25
Sample
Quasar v1.4.1/protobuf-net.dll
Resource
win7-20240729-en
Behavioral task
behavioral26
Sample
Quasar v1.4.1/protobuf-net.dll
Resource
win10v2004-20250207-en
General
-
Target
Quasar v1.4.1/Vestris.ResourceLib.dll
-
Size
76KB
-
MD5
944ce5123c94c66a50376e7b37e3a6a6
-
SHA1
a1936ac79c987a5ba47ca3d023f740401f73529b
-
SHA256
7da3f0e77c4dddc82df7c16c8c781fade599b7c91e3d32eefbce215b8f06b12a
-
SHA512
4c034ff51cc01567f3cb0796575528ca44623b864eb606266bcf955a9259ed26b20bec0086d79038158d3a5af2ada0a90f59d7c6aae9e545294fe77825dbe08b
-
SSDEEP
1536:CSSYikTF0Z+sFGu11tIcyI1MtI9eDG3fL7:CJYD0Z9FGu11teI1r9ea3
Malware Config
Signatures
-
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MicrosoftEdgeUpdate.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1652 MicrosoftEdgeUpdate.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Quasar v1.4.1\Vestris.ResourceLib.dll",#11⤵PID:1912
-
C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIzIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU1NzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODAxNjUyMzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzIzMTg4NjYyIi8-PC9hcHA-PC9yZXF1ZXN0Pg1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1652