Analysis
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max time kernel
54s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
02-06-2023 14:46
Behavioral task
behavioral1
Sample
download (1).exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
download (1).exe
Resource
win10v2004-20230220-en
General
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Target
download (1).exe
-
Size
1.0MB
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MD5
304034ca275b3be98d1b92d28a7ed71a
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SHA1
73cb868ddb133f04db518af41420582b85f99c97
-
SHA256
b7edc8206134842f1452de2fcc1604b40a078d75a2a56391fc5698aef9fc9240
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SHA512
3e76ce61d0ac85ac33ebc45f15f504cdf4e4c758b3a5c80668c2e1b55cc290b138abee12851b28d02a9fa38f4b1807f6a401958bc194330d9a3f517e0960f03b
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SSDEEP
24576:Raynkc1ZzBvtrZHFjMKY2aq77woIu7el6pRZRcL9:wynkc1ZzBvtrZHFjMKY2Rw3u7el6pR3
Malware Config
Extracted
quasar
2.7.0.0
Venom Client
crazydns.linkpc.net:26134
JlYM51eW4iZoFyLa2X
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encryption_key
dRPxHr2NcM6jte8WN3KY
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install_name
Venom.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Venom Client Startup
Signatures
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Quasar payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4364-133-0x00000000005E0000-0x00000000006F0000-memory.dmp family_quasar -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 17 ip-api.com -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
download (1).exedescription pid process Token: SeDebugPrivilege 4364 download (1).exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/4364-133-0x00000000005E0000-0x00000000006F0000-memory.dmpFilesize
1.1MB
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memory/4364-134-0x0000000005680000-0x0000000005C24000-memory.dmpFilesize
5.6MB
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memory/4364-135-0x00000000050D0000-0x0000000005162000-memory.dmpFilesize
584KB
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memory/4364-136-0x0000000004FF0000-0x0000000005000000-memory.dmpFilesize
64KB
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memory/4364-137-0x0000000005470000-0x00000000054D6000-memory.dmpFilesize
408KB
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memory/4364-138-0x00000000060B0000-0x00000000060C2000-memory.dmpFilesize
72KB
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memory/4364-139-0x0000000006500000-0x000000000653C000-memory.dmpFilesize
240KB
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memory/4364-140-0x0000000006C50000-0x0000000006C5A000-memory.dmpFilesize
40KB
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memory/4364-141-0x0000000004FF0000-0x0000000005000000-memory.dmpFilesize
64KB