General
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Target
a6f1bb8e3f33f74c3c29b8dcb42682e2a55fb538bf4b6ae209cd99a7f4d6f7a9
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Size
1.4MB
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Sample
230801-rsw1fagc86
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MD5
44d1d8e4d730494f8c530cb4a5cf8bf0
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SHA1
b89946339beebb22c9e06e253cfccbd0f0a35ed9
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SHA256
a6f1bb8e3f33f74c3c29b8dcb42682e2a55fb538bf4b6ae209cd99a7f4d6f7a9
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SHA512
b0c156285fbed4d7a92c064d938525662c922f14fdef53137c1df1e6c96770736228fc1cb4f0016b27479e93b04a3ca832b2db918bf58bfc4662162b4729ed11
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SSDEEP
24576:U2G/nvxW3Ww0tRp8GiXTBhq7yRDvHcUcjUvy0lr3Tl6icOB/UWoT:UbA30H4zF0UMSAicOB/UWk
Static task
static1
Malware Config
Extracted
quasar
1.3.0.0
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94.131.105.161:12344
QSR_MUTEX_UEgITWnMKnRP3EZFzK
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encryption_key
5Q0JQBQQfAUHRJTcAIOF
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install_name
lient.exe
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log_directory
Lugs
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reconnect_delay
3000
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startup_key
itartup
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subdirectory
SubDir
Targets
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Target
a6f1bb8e3f33f74c3c29b8dcb42682e2a55fb538bf4b6ae209cd99a7f4d6f7a9
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Size
1.4MB
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MD5
44d1d8e4d730494f8c530cb4a5cf8bf0
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SHA1
b89946339beebb22c9e06e253cfccbd0f0a35ed9
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SHA256
a6f1bb8e3f33f74c3c29b8dcb42682e2a55fb538bf4b6ae209cd99a7f4d6f7a9
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SHA512
b0c156285fbed4d7a92c064d938525662c922f14fdef53137c1df1e6c96770736228fc1cb4f0016b27479e93b04a3ca832b2db918bf58bfc4662162b4729ed11
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SSDEEP
24576:U2G/nvxW3Ww0tRp8GiXTBhq7yRDvHcUcjUvy0lr3Tl6icOB/UWoT:UbA30H4zF0UMSAicOB/UWk
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Quasar payload
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Modifies Windows Firewall
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ACProtect 1.3x - 1.4x DLL software
Detects file using ACProtect software.
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Executes dropped EXE
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Loads dropped DLL
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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