General
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Target
cnchecker4
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Size
6.8MB
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Sample
241123-vyqx6ayma1
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MD5
0c49a3be203b3c6394e67fa131e3c300
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SHA1
cafa1d4725e078ec7ea78a108b49593d6c29198d
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SHA256
dc0ac276ec83d53e1c05b0f88a47515871f19df0686530258d6ce7184b0596c5
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SHA512
b664c9ac541aadce54140e7da2c58ae940571501fedb9ea67f48cbfec12873547ea5e9b75b9204553c068fb9de8164eaebdab4083e6594ef31bd34f3ecda79b8
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SSDEEP
98304:IwgyO11Iy1eydWy7HSENCW5VVJW6M87w:INPIy1ey1Nzs
Behavioral task
behavioral1
Sample
cnchecker4.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
cnchecker4.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
asyncrat
Default
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
https://api.telegram.org/bot7289188591:AAFXBqcWy9p_LgUKTwd-Pcl7lvzedUGWL1E/sendMessage?chat_id=8079461533
AsyncMutex_6SI8OkPnk
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delay
3
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install
false
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install_folder
%AppData%
Targets
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Target
cnchecker4
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Size
6.8MB
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MD5
0c49a3be203b3c6394e67fa131e3c300
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SHA1
cafa1d4725e078ec7ea78a108b49593d6c29198d
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SHA256
dc0ac276ec83d53e1c05b0f88a47515871f19df0686530258d6ce7184b0596c5
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SHA512
b664c9ac541aadce54140e7da2c58ae940571501fedb9ea67f48cbfec12873547ea5e9b75b9204553c068fb9de8164eaebdab4083e6594ef31bd34f3ecda79b8
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SSDEEP
98304:IwgyO11Iy1eydWy7HSENCW5VVJW6M87w:INPIy1ey1Nzs
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Asyncrat family
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StormKitty payload
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Stormkitty family
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Async RAT payload
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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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Drops desktop.ini file(s)
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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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Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
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MITRE ATT&CK Enterprise v15
Persistence
Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1