Analysis
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max time kernel
149s -
max time network
144s -
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, 21:54
Static task
static1
Behavioral task
behavioral1
Sample
36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe
Resource
win10v2004-20250217-en
General
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Target
36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe
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Size
59KB
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MD5
acf3a1d44e70cfb04aa09118236022ba
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SHA1
81dd836d5c7671bc0e229fb5503659f343cc484f
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SHA256
36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1
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SHA512
a145cce327c914e3c7e4370bc7b0486d9d92882b7c27f8a89f3156566f5d5a8e29ea98ef32c8205f59d0becac7b7f38d2f3d53c7bf0fd57ec2af9191a8b45b1b
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SSDEEP
1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrH8:E1oEFlt6vghzwYu7vih9GueIh9j2IoHn
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 5048 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 5048 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.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 36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 932 wrote to memory of 5048 932 36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe 84 PID 932 wrote to memory of 5048 932 36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe 84 PID 932 wrote to memory of 5048 932 36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe"C:\Users\Admin\AppData\Local\Temp\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:932 -
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:5048
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
59KB
MD557e6ae50de2397fbee92983d328d1551
SHA1a6139e0099f6d5552ed123ba74d3fad17d47b245
SHA256e8d79d978ae011eed968146a7c004d58c3a6020c75a66cc6416b25baacffb5af
SHA512dab6a2b2bd264246069d2fb48fcb5e5f5dfb5fd7ab6c623d2e575a7de4e0151cff1285f71ec260d5e1695ec62de10f274fe2a6830911992d8dd89f2631cd7995