General
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Target
Halkbank Ekstresi_910036577921.pdf.exe
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Size
863KB
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Sample
230922-183btsce96
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MD5
8c57dda2b134801321a87c65cfb4fd85
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SHA1
177ef72837380cff667111373695138decc972f3
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SHA256
e116864cc4443f4179cd0938dd0ef49a4217e66ca3534d4d96bdd0d54f17ff0d
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SHA512
5642c315cec341fd0c9a63a27d43971bcd62960d45a778dddcfde7cba8881a430566f2f6a7e7897c7252edad1651c2fadfde047b4e904ff3840f3f3472f12d4a
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SSDEEP
24576:P2O/GlsQSLG/5vEprm6QTkw7g6zwm4m53Sb2xIJ:GSLLmJkw5kFm53SyxIJ
Static task
static1
Behavioral task
behavioral1
Sample
Halkbank Ekstresi_910036577921.pdf.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Halkbank Ekstresi_910036577921.pdf.exe
Resource
win10v2004-20230915-en
Malware Config
Targets
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Target
Halkbank Ekstresi_910036577921.pdf.exe
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Size
863KB
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MD5
8c57dda2b134801321a87c65cfb4fd85
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SHA1
177ef72837380cff667111373695138decc972f3
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SHA256
e116864cc4443f4179cd0938dd0ef49a4217e66ca3534d4d96bdd0d54f17ff0d
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SHA512
5642c315cec341fd0c9a63a27d43971bcd62960d45a778dddcfde7cba8881a430566f2f6a7e7897c7252edad1651c2fadfde047b4e904ff3840f3f3472f12d4a
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SSDEEP
24576:P2O/GlsQSLG/5vEprm6QTkw7g6zwm4m53Sb2xIJ:GSLLmJkw5kFm53SyxIJ
Score10/10-
ISR Stealer
ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
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ISR Stealer payload
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NirSoft MailPassView
Password recovery tool for various email clients
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Nirsoft
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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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Accesses Microsoft Outlook accounts
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Adds Run key to start application
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Suspicious use of SetThreadContext
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