General
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Target
ad448c26383e2e9a9866ca8799a86188e22c0fc02e81ba33409d9371aa819ac4
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Size
1.4MB
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Sample
231014-mz6q1aeg52
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MD5
9e5e8e5a2c59c7669dcec8e7827dcb3e
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SHA1
0db8d97c0530ebe3bfcefe993e7df3b1ffa21cea
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SHA256
ad448c26383e2e9a9866ca8799a86188e22c0fc02e81ba33409d9371aa819ac4
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SHA512
93fa5f96860068ffbf66337a58063abeb2f0fe5da748be5bcbc97507450bca32aedb4661befdce1b5c5138d291ed9019cec7a0691816aeea7ba563e850db4325
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SSDEEP
24576:U2G/nvxW3Ww0tRp8GiXTBhq7yRDvHcUcjUvy0lr3Tl6icOB/UWoT:UbA30H4zF0UMSAicOB/UWk
Static task
static1
Behavioral task
behavioral1
Sample
ad448c26383e2e9a9866ca8799a86188e22c0fc02e81ba33409d9371aa819ac4.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
ad448c26383e2e9a9866ca8799a86188e22c0fc02e81ba33409d9371aa819ac4.exe
Resource
win10v2004-20230915-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
ad448c26383e2e9a9866ca8799a86188e22c0fc02e81ba33409d9371aa819ac4
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Size
1.4MB
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MD5
9e5e8e5a2c59c7669dcec8e7827dcb3e
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SHA1
0db8d97c0530ebe3bfcefe993e7df3b1ffa21cea
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SHA256
ad448c26383e2e9a9866ca8799a86188e22c0fc02e81ba33409d9371aa819ac4
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SHA512
93fa5f96860068ffbf66337a58063abeb2f0fe5da748be5bcbc97507450bca32aedb4661befdce1b5c5138d291ed9019cec7a0691816aeea7ba563e850db4325
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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