Analysis
- max time kernel
5s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
03/08/2024, 02:12
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
b8d3ab3928c752f045e4bce0614d999c2c30382fff0721646535acb1d1752761.exe
Resource
win7-20240708-en
2 signatures
150 seconds
General
- Target b8d3ab3928c752f045e4bce0614d999c2c30382fff0721646535acb1d1752761.exe
- Size 4.8MB
- Sample240803-cm27yavapd
- SHA256 b8d3ab3928c752f045e4bce0614d999c2c30382fff0721646535acb1d1752761
- MD5 623f1e6889ab828cd9c300badde52f4d
- SHA1 8f8c6d23daac2797a090f9dc1bad3fe59107eba1
- SHA512 db420398c596cee7e6d76a78111ac344635abd7df38d93c45bc86ee12844d962bc32a2c12439c9639e2891f295a0acb095c9b469c6c9b2384acbdb1c13213639
- SSDEEP 98304:nXbIrqxyLDNO/GwUidfeZBvpZFUQOjUrMoM9z7WBH3G0iJFB:LIl3eYBvuQrMeVGx
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
Client
C2
-
147.185.221.19:35427
Mutex
-
8ec4f2a7-b4c4-4066-ba92-a9368e6a5e4a
Attributes
-
encryption_key
9C2370DDD283E0D053317C74307A498058186370
-
install_name
FPS Booster.exe
-
log_directory
Logs
-
reconnect_delay
5000
-
startup_key
FPS Booster
-
subdirectory
FPS Booster
Signatures
- Quasar payload 1 IoCs
resource yara_rule behavioral2/memory/4644-1-0x00000237BD810000-0x00000237BDB34000-memory.dmp family_quasar - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4188 schtasks.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4644 b8d3ab3928c752f045e4bce0614d999c2c30382fff0721646535acb1d1752761.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4644 b8d3ab3928c752f045e4bce0614d999c2c30382fff0721646535acb1d1752761.exe 4644 b8d3ab3928c752f045e4bce0614d999c2c30382fff0721646535acb1d1752761.exe - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 4644 b8d3ab3928c752f045e4bce0614d999c2c30382fff0721646535acb1d1752761.exe 4644 b8d3ab3928c752f045e4bce0614d999c2c30382fff0721646535acb1d1752761.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b8d3ab3928c752f045e4bce0614d999c2c30382fff0721646535acb1d1752761.exe"C:\Users\Admin\AppData\Local\Temp\b8d3ab3928c752f045e4bce0614d999c2c30382fff0721646535acb1d1752761.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4644 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "FPS Booster" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\FPS Booster\FPS Booster.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:4188
-