Analysis
- max time kernel
148s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
19/01/2024, 22:29
Behavioral task
behavioral1
Sample
client.exe
Resource
win7-20231129-en
6 signatures
150 seconds
General
- Target client.exe
- Size 502KB
- Sample240119-2d8qssfce5
- SHA256 a24dafb52de61a6bb3d363afb0d02ac3311d4a4f221b20f246c2fa2d5cb352fd
- MD5 8c01384c527d6e6a4265b40f71cd89bf
- SHA1 1416be003cae641425174b9a5313b0836f56713f
- SHA512 92061223d4eef41e42230b9a8055967a09bebe7611184fea8f56552ceed143c57d96e13924ed6bb768832264f8aa9e15c369427141f4a2fad1ac200e96b73881
- SSDEEP 6144:ITEgdc0YvXAGbgiIN2RSBSnoum1nRI+KI5EtqM+yw4YUcE5Ob8F9lfiezcTR3m:ITEgdfYnbgaouEfy45yweppviezcdm
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.0
Botnet
-
Office04
C2
-
192.168.85.129:4782
Mutex
-
82ad0bdc-5c1a-4fe8-900c-9f724925049c
Attributes
-
encryption_key
4111EB4E3452F3046C6F5DFE90F84F08D3E1BB9C
-
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/2792-0-0x00000000007F0000-0x0000000000874000-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 2792 client.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2792 client.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2792 client.exe