General
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Target
391d5b55a86f7b184573a7080cd0bc77c0aa7bcc282a54b33eeedec3271bcab7
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Size
1.4MB
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Sample
230801-dg573sch23
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MD5
db53f74b7b41bc839532e5ffcde78289
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SHA1
f401779d9496ff3e930f3dd677681857f8bf3d10
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SHA256
391d5b55a86f7b184573a7080cd0bc77c0aa7bcc282a54b33eeedec3271bcab7
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SHA512
0d545afeaefefb54b987e687654c6f76f3eaa75c47df5cfb61f2a7e095507e73373bb65196aa0d2f4f391979e80a579d62b51e15dc578706a8218929184cd35f
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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
391d5b55a86f7b184573a7080cd0bc77c0aa7bcc282a54b33eeedec3271bcab7
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Size
1.4MB
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MD5
db53f74b7b41bc839532e5ffcde78289
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SHA1
f401779d9496ff3e930f3dd677681857f8bf3d10
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SHA256
391d5b55a86f7b184573a7080cd0bc77c0aa7bcc282a54b33eeedec3271bcab7
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SHA512
0d545afeaefefb54b987e687654c6f76f3eaa75c47df5cfb61f2a7e095507e73373bb65196aa0d2f4f391979e80a579d62b51e15dc578706a8218929184cd35f
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SSDEEP
24576:U2G/nvxW3Ww0tRp8GiXTBhq7yRDvHcUcjUvy0lr3Tl6icOB/UWoT:UbA30H4zF0UMSAicOB/UWk
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Quasar payload
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Blocklisted process makes network request
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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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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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