General
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Target
fb5784de1a251633e8006e3fc03bcb6f.exe
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Size
1.4MB
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Sample
230813-jsdj4ahg57
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MD5
fb5784de1a251633e8006e3fc03bcb6f
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SHA1
0a86ae4b1542726a9a2f9d24102003141150b358
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SHA256
8169cd35ac84069d5e1e101dc22a6e9cb2fcaffa0c357972ad5fbbd5c3d7c8e0
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SHA512
c3021585da947b06e0cf65a35d752536cae8179e1ba4ef473ef7e793346f8449a8aaf01e2ac6fe37a5f241f4239f61603d7284e016c2c31e353d7ac13d3c0fb2
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SSDEEP
24576:U2G/nvxW3Ww0tRp8GiXTBhq7yRDvHcUcjUvy0lr3Tl6icOB/UWoT:UbA30H4zF0UMSAicOB/UWk
Static task
static1
Behavioral task
behavioral1
Sample
fb5784de1a251633e8006e3fc03bcb6f.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
fb5784de1a251633e8006e3fc03bcb6f.exe
Resource
win10v2004-20230703-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
fb5784de1a251633e8006e3fc03bcb6f.exe
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Size
1.4MB
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MD5
fb5784de1a251633e8006e3fc03bcb6f
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SHA1
0a86ae4b1542726a9a2f9d24102003141150b358
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SHA256
8169cd35ac84069d5e1e101dc22a6e9cb2fcaffa0c357972ad5fbbd5c3d7c8e0
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SHA512
c3021585da947b06e0cf65a35d752536cae8179e1ba4ef473ef7e793346f8449a8aaf01e2ac6fe37a5f241f4239f61603d7284e016c2c31e353d7ac13d3c0fb2
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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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Adds Run key to start application
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1