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
95s -
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/Mono.Cecil.dll
-
Size
350KB
-
MD5
de69bb29d6a9dfb615a90df3580d63b1
-
SHA1
74446b4dcc146ce61e5216bf7efac186adf7849b
-
SHA256
f66f97866433e688acc3e4cd1e6ef14505f81df6b26dd6215e376767f6f954bc
-
SHA512
6e96a510966a4acbca900773d4409720b0771fede37f24431bf0d8b9c611eaa152ba05ee588bb17f796d7b8caaccc10534e7cc1c907c28ddfa54ac4ce3952015
-
SSDEEP
6144:jIevdbLPNYe8bikm98KXPHhOWY/fFREomhUFD3z:se1PNL+QRfBg/f/EWFD
Malware Config
Signatures
-
Downloads MZ/PE file 1 IoCs
flow pid Process 33 4628 Process not Found -
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 2764 MicrosoftEdgeUpdate.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Quasar v1.4.1\Mono.Cecil.dll",#11⤵PID:2960
-
C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7RURCNkVCQjItMjZDQi00RTY0LTg3QUMtRjY0ODQ5QUJCNTk0fSIgdXNlcmlkPSJ7OTE3NTM5QzgtQUQ0Ny00QjRDLUEyNTMtOEU1QzBCNUFDMDVFfSIgaW5zdGFsbHNvdXJjZT0ibGltaXRlZCIgcmVxdWVzdGlkPSJ7Rjk1NjFDNUUtOTIxNC00QzgyLUFFQ0ItMzBDNjNFODFDNDQ3fSIgZGVkdXA9ImNyIiBkb21haW5qb2luZWQ9IjAiPjxodyBsb2dpY2FsX2NwdXM9IjIiIHBoeXNtZW1vcnk9IjQiIGRpc2tfdHlwZT0iMiIgc3NlPSIxIiBzc2UyPSIxIiBzc2UzPSIxIiBzc3NlMz0iMSIgc3NlNDE9IjEiIHNzZTQyPSIxIiBhdng9IjEiLz48b3MgcGxhdGZvcm09IndpbiIgdmVyc2lvbj0iMTAuMC4xOTA0MS4xMjg4IiBzcD0iIiBhcmNoPSJ4NjQiIHByb2R1Y3RfdHlwZT0iNDgiIGlzX3dpcD0iMCIgaXNfaW5fbG9ja2Rvd25fbW9kZT0iMCIvPjxvZW0gcHJvZHVjdF9tYW51ZmFjdHVyZXI9IiIgcHJvZHVjdF9uYW1lPSIiLz48ZXhwIGV0YWc9IiZxdW90O0UreGJBejZZNnNVMTI4OWJTNnFsNFZSTGJramZCVUdUTUpzanJIcjQ0aUk9JnF1b3Q7Ii8-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIzIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5MjEiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODE5ODA3NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MTA0NTQ4NjY2Ii8-PC9hcHA-PC9yZXF1ZXN0Pg1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2764