Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
12/04/2024, 16:56
General
- Target AprilDiscountVoucher.exe
- Size 156KB
- Sample240412-vfw2fscb85
- SHA256 dabe0f83548baa1bbece033284676e56caff0eea881740218443b390c4e71680
Malware Config
Extracted
-
quasar
-
1.4.0.0
-
TTne
-
elmauz.freemyip.com:7915
-
GvioVJfTST7GQdgs4S
-
encryption_key
oZmDiUMzQT9rVaHGvj1a
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\AprilDiscountVoucher.exe"C:\Users\Admin\AppData\Local\Temp\AprilDiscountVoucher.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/3268-1-0x00000000746D0000-0x0000000074E80000-memory.dmp
memory/3268-0-0x0000000000720000-0x000000000074E000-memory.dmp
memory/3268-2-0x0000000005160000-0x00000000051AC000-memory.dmp
memory/3268-3-0x0000000007B60000-0x0000000008104000-memory.dmp
memory/3268-4-0x0000000007650000-0x00000000076E2000-memory.dmp
memory/3268-5-0x00000000051D0000-0x00000000051E0000-memory.dmp
memory/3268-6-0x00000000075D0000-0x0000000007636000-memory.dmp
memory/3268-7-0x0000000007B10000-0x0000000007B22000-memory.dmp
memory/3268-8-0x0000000008810000-0x000000000884C000-memory.dmp
memory/3268-10-0x0000000008B60000-0x0000000008B6A000-memory.dmp
memory/3268-11-0x00000000746D0000-0x0000000074E80000-memory.dmp
memory/3268-12-0x00000000051D0000-0x00000000051E0000-memory.dmp