General
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Target
d033f99723109ae7a00f9861bfea7e8b.exe
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Size
1.4MB
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Sample
230801-mz4xeafd23
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MD5
d033f99723109ae7a00f9861bfea7e8b
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SHA1
b6dbb1d6654ec62fa1925f8ca3ea9b73bfbe5746
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SHA256
dcbbadb9460751f4a7684af8b8bb8c78f3327b066445100d277af5c01f184f4e
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SHA512
13fd16b656d7dcd2f8027b082084fb4d0bb7f5f924c1db8bd027664a2cce26f20f2b41a6c2b5924a78a2641f1cacfa67e7998797b2b57836d1a1e5cc517eb91e
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SSDEEP
24576:U2G/nvxW3Ww0tRp8GiXTBhq7yRDvHcUcjUvy0lr3Tl6icOB/UWoT:UbA30H4zF0UMSAicOB/UWk
Static task
static1
Behavioral task
behavioral1
Sample
d033f99723109ae7a00f9861bfea7e8b.exe
Resource
win7-20230712-en
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
d033f99723109ae7a00f9861bfea7e8b.exe
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Size
1.4MB
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MD5
d033f99723109ae7a00f9861bfea7e8b
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SHA1
b6dbb1d6654ec62fa1925f8ca3ea9b73bfbe5746
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SHA256
dcbbadb9460751f4a7684af8b8bb8c78f3327b066445100d277af5c01f184f4e
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SHA512
13fd16b656d7dcd2f8027b082084fb4d0bb7f5f924c1db8bd027664a2cce26f20f2b41a6c2b5924a78a2641f1cacfa67e7998797b2b57836d1a1e5cc517eb91e
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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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