Analysis
- max time kernel
146s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
22/01/2024, 08:36
Behavioral task
behavioral1
Sample
Client.exe
Resource
win7-20231215-en
6 signatures
150 seconds
General
- Target Client.exe
- Size 3.1MB
- Sample240122-khkfbscfg6
- SHA256 ca3a409333d884580e6ccf5ba616ab5d27dee98e0b991c8e416fa25e9f9dc54e
- MD5 610192e00d62ce9e96a5ca4900cbac61
- SHA1 cd0c73d4a9302990d1a8d274ad2ad4aa58d27cd4
- SHA512 af7426e5f7c98c19af1ed7573b99085f8fb4991f082734e8825dd0cd29f676796ecfa9f0b33abb5254b85d1e5e5e1c8dfaa308cc008818445ddf4acb5f81095c
- SSDEEP 49152:qvft62XlaSFNWPjljiFa2RoUYIvtR16JbR3zoGdDPTHHB72eh2NT:qv162XlaSFNWPjljiFXRoUYIvtR16z
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
Office04
C2
-
127.0.0.1:4782
Mutex
-
9a6c439e-9527-4dbf-8b54-9f7e0f664e7f
Attributes
-
encryption_key
924B96B041584FB2DFB676E3FF61D8EF44C7CA2D
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
- Quasar payload 1 IoCs
resource yara_rule behavioral2/memory/1564-0-0x0000000000A50000-0x0000000000D74000-memory.dmp family_quasar - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1564 Client.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1564 Client.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1564 Client.exe