General
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Target
1de4d7d25d4c63da5bf5a990d7d40e7d.exe
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Size
1.4MB
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Sample
230801-mzjw8sfc97
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MD5
1de4d7d25d4c63da5bf5a990d7d40e7d
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SHA1
bd5d9bc7b8088dcbcc2cd8cdca156ce7d3cc7902
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SHA256
3561b1eab2b650f0a714dc2da14bb751e03008a444dcc7dc1293eca7056727a2
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SHA512
a4d7bb7461703173e60d003c03972183d2f4fc8b68a28cf2d156bc32274d12c52fb9bdc74b7e287b96c05ed52bee2f2efc5bc18645c574037eac468e0a6cf81b
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SSDEEP
24576:U2G/nvxW3Ww0tRp8GiXTBhq7yRDvHcUcjUvy0lr3Tl6icOB/UWoT:UbA30H4zF0UMSAicOB/UWk
Static task
static1
Behavioral task
behavioral1
Sample
1de4d7d25d4c63da5bf5a990d7d40e7d.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
1de4d7d25d4c63da5bf5a990d7d40e7d.exe
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Size
1.4MB
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MD5
1de4d7d25d4c63da5bf5a990d7d40e7d
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SHA1
bd5d9bc7b8088dcbcc2cd8cdca156ce7d3cc7902
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SHA256
3561b1eab2b650f0a714dc2da14bb751e03008a444dcc7dc1293eca7056727a2
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SHA512
a4d7bb7461703173e60d003c03972183d2f4fc8b68a28cf2d156bc32274d12c52fb9bdc74b7e287b96c05ed52bee2f2efc5bc18645c574037eac468e0a6cf81b
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SSDEEP
24576:U2G/nvxW3Ww0tRp8GiXTBhq7yRDvHcUcjUvy0lr3Tl6icOB/UWoT:UbA30H4zF0UMSAicOB/UWk
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Modifies WinLogon for persistence
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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
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1