General
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Target
6616aa94e7d94deb84074bfc37d380ac30d33d85cca001be7b43556ad40dbd98
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Size
1.4MB
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Sample
230801-chf4xace59
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MD5
62b3088e28e2d71fe1dfab7aadaf084d
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SHA1
885645c56f17a7b85d26cad5cb2726655873b9c2
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SHA256
6616aa94e7d94deb84074bfc37d380ac30d33d85cca001be7b43556ad40dbd98
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SHA512
a7c67092a8ca0d0c34dd57073f6f3474acb191ed2040193971cd4ce9a889c75c82ddd74855db8ab37badaf54fdd49f416d3b2dba4cf0a436c482d87d1f683236
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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
6616aa94e7d94deb84074bfc37d380ac30d33d85cca001be7b43556ad40dbd98
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Size
1.4MB
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MD5
62b3088e28e2d71fe1dfab7aadaf084d
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SHA1
885645c56f17a7b85d26cad5cb2726655873b9c2
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SHA256
6616aa94e7d94deb84074bfc37d380ac30d33d85cca001be7b43556ad40dbd98
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SHA512
a7c67092a8ca0d0c34dd57073f6f3474acb191ed2040193971cd4ce9a889c75c82ddd74855db8ab37badaf54fdd49f416d3b2dba4cf0a436c482d87d1f683236
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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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