General
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Target
data.dat.exe
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Size
5.7MB
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Sample
250119-sq6mjatpbj
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MD5
fb25fdd6ff14150c12aadd9ee2d1a132
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SHA1
3cfb3536cd95f0b45e3540241b29aaac8195969b
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SHA256
30aa5d63d57d96e48788efcf488f3fb7ba05354313a383f15d5c5caca632c87c
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SHA512
ffa52a7225aab5c5518d2ec872b20bb81a964b41205308cb72356e8f443b333a89239920989ffe032f5b5009d34ea04c4ffa8944e648633321c9a6685a3d9494
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SSDEEP
98304:m2+l27OuKr+gvhf2U9Nzm31PMoslkqXf0FvUcwti78OqJ7TPBvc8X6Ucz:moOuK6mn9NzgMoYkSIvUcwti7TQlvciE
Static task
static1
Behavioral task
behavioral1
Sample
data.dat.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
data.dat.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
gurcu
https://api.telegram.org/bot8077286634:AAG1XHb6leJVqlqfJbmVoJd2ysHqXSznNdQ/sendDocument?chat_id=-1002258988684&caption=%F0%9F%93%82%20-%20Browser%20data%0A%E2%94%9C%E2%94%80%E2%94%80%20%F0%9F%93%82%20-%20cookies(0.25%20kb
https://api.telegram.org/bot8077286634:AAG1XHb6leJVqlqfJbmVoJd2ysHqXSznNdQ/sendMessage?chat_id=-1002258988684
https://api.telegram.org/bot8077286634:AAG1XHb6leJVqlqfJbmVoJd2ysHqXSznNdQ/sendDocument?chat_id=-1002258988684&caption=%F0%9F%93%B8Screenshot%20take
Targets
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Target
data.dat.exe
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Size
5.7MB
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MD5
fb25fdd6ff14150c12aadd9ee2d1a132
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SHA1
3cfb3536cd95f0b45e3540241b29aaac8195969b
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SHA256
30aa5d63d57d96e48788efcf488f3fb7ba05354313a383f15d5c5caca632c87c
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SHA512
ffa52a7225aab5c5518d2ec872b20bb81a964b41205308cb72356e8f443b333a89239920989ffe032f5b5009d34ea04c4ffa8944e648633321c9a6685a3d9494
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SSDEEP
98304:m2+l27OuKr+gvhf2U9Nzm31PMoslkqXf0FvUcwti78OqJ7TPBvc8X6Ucz:moOuK6mn9NzgMoYkSIvUcwti7TQlvciE
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Gurcu family
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Uses browser remote debugging
Can be used control the browser and steal sensitive information such as credentials and session cookies.
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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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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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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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Enumerates processes with tasklist
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Modify Authentication Process
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
1Credentials In Files
1