General
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Target
INV_PKEX0521219.PDF.z
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Size
47KB
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Sample
230612-keregaba93
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MD5
8447ee4d42df3dfd7ec4f1cb4ec14e7b
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SHA1
2541f9e81fb898572c2eecef9fc3a3ff7dc49ed9
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SHA256
f8e39bd0a813aea93939649fb467351f3ebc603e08d4a05b5529b922e6cc8abc
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SHA512
6135d67ad132acbf2e98c36116ed2bb1a4ed63bb5a4b78d6d06f3e74b04fa281ad56c3e348ef3fca6c4f54241b6a56dab8526687c1d2bae1138808594e3f5728
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SSDEEP
768:gCWNn+/PLfISs6oq9ERQEHM+ocrrBoUT3Iu1FB6DVhdgcJZvrNSS+ox83Qz:Swn8R6oq9E1ZVBjT3fcjTl+y8k
Behavioral task
behavioral1
Sample
INV_PKEX0521219.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
INV_PKEX0521219.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
purecrypter
http://172.245.191.17/000/Gjvbeqdycii.png
Extracted
snakekeylogger
Protocol: smtp- Host:
siamtmc.com - Port:
587 - Username:
[email protected] - Password:
s0mp0ng06 - Email To:
[email protected]
Targets
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Target
INV_PKEX0521219.exe
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Size
72KB
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MD5
f50c01b28f63ea3a2f9eda5d3f62cafc
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SHA1
15194fbd3471810bf689da9efeb57efdd4e4f21b
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SHA256
0e7012a66e5d3c6ada99f6dcf651fc8a29f31aa74083f76ee96992df0be54ffa
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SHA512
98bd8ce28d997815f135b0a73af05cd45d8bdde9d7a018311d7082ee76c3adca78b62ed161fc187febed6037aa556309cfaf13b2a29b1bd65c4a759e8fd5a8f5
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SSDEEP
1536:Ua3eJtxKnsYsEMINcTa7FFrj3Pxx1Px90:Ua3ez4sKNykrjfxxpxi
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PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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Snake Keylogger payload
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Accesses Microsoft Outlook profiles
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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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Suspicious use of SetThreadContext
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