Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
26/02/2025, 23:57
Static task
static1
Behavioral task
behavioral1
Sample
6272478003ba5f03012c756ed2b0e077b6ca812c06ecf269d04ed85d64afed19.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
6272478003ba5f03012c756ed2b0e077b6ca812c06ecf269d04ed85d64afed19.exe
Resource
win10v2004-20250217-en
General
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Target
6272478003ba5f03012c756ed2b0e077b6ca812c06ecf269d04ed85d64afed19.exe
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Size
52KB
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MD5
acfa39d8d65f9e7748291c8315fd6d8d
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SHA1
e535e4b7855f07e77938cf8cba37d80bb4a3ddef
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SHA256
6272478003ba5f03012c756ed2b0e077b6ca812c06ecf269d04ed85d64afed19
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SHA512
4a980fd8aa88ab0d8a10e9918ac3721d94db62011f255c3be70c79bc961d2548b2bfd9d48c24d2a15e97ec2a0986be4f58ee3048336275cb1a8e7fc8d2453419
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SSDEEP
1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbRJSch+IHh4hchN:E1oEFlt6vghzwYu7vih9GueIh9j2IoHj
Malware Config
Extracted
blihanstealer
pomdfghrt
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user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; CIBA; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022)
Signatures
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BlihanStealer
Blihan is a stealer written in C++.
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Blihanstealer family
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Deletes itself 1 IoCs
pid Process 4480 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 4480 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 6272478003ba5f03012c756ed2b0e077b6ca812c06ecf269d04ed85d64afed19.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 6272478003ba5f03012c756ed2b0e077b6ca812c06ecf269d04ed85d64afed19.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6272478003ba5f03012c756ed2b0e077b6ca812c06ecf269d04ed85d64afed19.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3988 wrote to memory of 4480 3988 6272478003ba5f03012c756ed2b0e077b6ca812c06ecf269d04ed85d64afed19.exe 85 PID 3988 wrote to memory of 4480 3988 6272478003ba5f03012c756ed2b0e077b6ca812c06ecf269d04ed85d64afed19.exe 85 PID 3988 wrote to memory of 4480 3988 6272478003ba5f03012c756ed2b0e077b6ca812c06ecf269d04ed85d64afed19.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\6272478003ba5f03012c756ed2b0e077b6ca812c06ecf269d04ed85d64afed19.exe"C:\Users\Admin\AppData\Local\Temp\6272478003ba5f03012c756ed2b0e077b6ca812c06ecf269d04ed85d64afed19.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3988 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4480
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
52KB
MD5bf6b877a90702a564daec029edd00df9
SHA1cba6791b9d81debeb4dac884cd137e2301c30f66
SHA256ac6606b04971d27257619bac74070fda3240d144814a969489102d4e845cc042
SHA51225ac3054023bb4b071bf926b371af8ac8829615856640bda4a0b139053d7b0bfb5374ee3df2278a716b3b80499bbfa94bfbd3d70180372f55328fdb04ae7560e