Analysis
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max time kernel
149s -
max time network
141s -
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, 20:20
Behavioral task
behavioral1
Sample
18f145ad8f4134cde0d4856d18cbadec834a8d4ab25851f1661e7958c2526f72.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
18f145ad8f4134cde0d4856d18cbadec834a8d4ab25851f1661e7958c2526f72.exe
Resource
win10v2004-20250217-en
General
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Target
18f145ad8f4134cde0d4856d18cbadec834a8d4ab25851f1661e7958c2526f72.exe
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Size
98KB
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MD5
2567a52fb8b85315bdb4edea2361d6c7
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SHA1
d4cc0b2fb54a9254cd75feeb1eb986507fd10aec
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SHA256
18f145ad8f4134cde0d4856d18cbadec834a8d4ab25851f1661e7958c2526f72
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SHA512
c5fd2eb04c5e708b5eae9818893b4502068559a9d377cd63aa1c3e84b667f283202ebeef4a4cd3ca4c765600346db026f94577805603da209524dc94890ae0cf
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SSDEEP
3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKF:W9n
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 2792 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2792 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 18f145ad8f4134cde0d4856d18cbadec834a8d4ab25851f1661e7958c2526f72.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 18f145ad8f4134cde0d4856d18cbadec834a8d4ab25851f1661e7958c2526f72.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 18f145ad8f4134cde0d4856d18cbadec834a8d4ab25851f1661e7958c2526f72.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1760 wrote to memory of 2792 1760 18f145ad8f4134cde0d4856d18cbadec834a8d4ab25851f1661e7958c2526f72.exe 86 PID 1760 wrote to memory of 2792 1760 18f145ad8f4134cde0d4856d18cbadec834a8d4ab25851f1661e7958c2526f72.exe 86 PID 1760 wrote to memory of 2792 1760 18f145ad8f4134cde0d4856d18cbadec834a8d4ab25851f1661e7958c2526f72.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\18f145ad8f4134cde0d4856d18cbadec834a8d4ab25851f1661e7958c2526f72.exe"C:\Users\Admin\AppData\Local\Temp\18f145ad8f4134cde0d4856d18cbadec834a8d4ab25851f1661e7958c2526f72.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1760 -
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:2792
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
98KB
MD51c4f970793de1acb708ffc838dcd9bfa
SHA1554d399058dae0925f4ed665d0bf7706cf3cd68c
SHA256927ce5b7518e2aff3bc981f70bd4f36c81581d210e49db6a25f1e81ff4ad531d
SHA5127787a8cb2004daf2704a1c10f0d64301c1648a2e8aa30bc0693351a233ae8a9da6e826a9114c8394d11ee7cf9bf384bb001081074c252ecb70c3e71896c578b4