Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
12/05/2026, 19:37
General
- Target Client-built.exe
- Size 2.6MB
- Sample260512-yb6xmsgv8x
- SHA256 b4e0521e9bbe569e54eba26cfd6ef4ddfdcd6ca1aa5a9f670fe8496537e97f6c
Malware Config
Extracted
-
quasar
-
1.6.6
-
Office04
-
192.109.200.250:8907
-
b37c4cbf-68f4-4e7c-92ba-ac265729eb51
-
encryption_key
7799F230382DEC15CFC54F1D560B5A8B875621D2
-
install_name
.exe
-
key_salt
5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382
-
reconnect_delay
3000
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Client-built.exe"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/1720-0-0x0000027669630000-0x00000276698CE000-memory.dmp
memory/1720-1-0x0000027669D20000-0x0000027669D30000-memory.dmp
memory/1720-2-0x0000027669CF0000-0x0000027669D0E000-memory.dmp
memory/1720-3-0x0000027669E60000-0x0000027669E9A000-memory.dmp
memory/1720-4-0x000002766D8A0000-0x000002766D8F0000-memory.dmp
memory/1720-5-0x000002766D9B0000-0x000002766DA62000-memory.dmp
memory/1720-6-0x0000027669EA0000-0x0000027669EEA000-memory.dmp
memory/1720-7-0x000002766D8F0000-0x000002766D93E000-memory.dmp
memory/1720-8-0x000002766B7B0000-0x000002766B7D6000-memory.dmp
memory/1720-9-0x000002766D940000-0x000002766D974000-memory.dmp
memory/1720-10-0x000002766DA70000-0x000002766DABC000-memory.dmp
memory/1720-11-0x000002766DAC0000-0x000002766DB0A000-memory.dmp
memory/1720-12-0x000002766D980000-0x000002766D9AA000-memory.dmp
memory/1720-13-0x0000027669D20000-0x0000027669D30000-memory.dmp
memory/1720-14-0x000002766DCE0000-0x000002766DCF2000-memory.dmp
memory/1720-15-0x000002766DD40000-0x000002766DD7C000-memory.dmp
memory/1720-16-0x000002766DD00000-0x000002766DD0A000-memory.dmp
memory/1720-17-0x000002766DD30000-0x000002766DD38000-memory.dmp
memory/1720-18-0x0000027669D20000-0x0000027669D30000-memory.dmp
memory/1720-19-0x0000027669D20000-0x0000027669D30000-memory.dmp