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Analysis
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max time kernel
135s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06/11/2022, 11:18
Static task
static1
Behavioral task
behavioral1
Sample
73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413.exe
Resource
win10v2004-20220812-en
General
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Target
73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413.exe
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Size
361KB
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MD5
fcfac837f8bc438090055bf1c8adc675
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SHA1
f5df70e8ce133dd393881e4905b9aec4347e1ee6
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SHA256
73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413
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SHA512
85e4bde9605032a0809cb3e4f9109d0e5f46fac51ed92302a9623b254b00c484a77f588e90a74f014f553d426e4b25fca1bd365c28c39557364cc7f6b39737c9
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SSDEEP
6144:pkU1ampKEpqs2WSH8EP6BEWCdrYnP9B2ZxrLTVoKYMvRAS5zz+Tv1:p3KEUs2WZKYP2DnTyZMvRLl
Malware Config
Signatures
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ISR Stealer
ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
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ISR Stealer payload 1 IoCs
resource yara_rule behavioral2/memory/3180-136-0x0000000000610000-0x0000000000652000-memory.dmp family_isrstealer -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4440 set thread context of 3180 4440 73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413.exe 81 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4440 73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4440 wrote to memory of 3180 4440 73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413.exe 81 PID 4440 wrote to memory of 3180 4440 73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413.exe 81 PID 4440 wrote to memory of 3180 4440 73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413.exe 81 PID 4440 wrote to memory of 3180 4440 73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413.exe 81 PID 4440 wrote to memory of 3180 4440 73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413.exe 81 PID 4440 wrote to memory of 3180 4440 73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413.exe 81 PID 4440 wrote to memory of 3180 4440 73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413.exe"C:\Users\Admin\AppData\Local\Temp\73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4440 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵PID:3180
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