Analysis
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max time kernel
149s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
27/02/2025, 06:20
Static task
static1
Behavioral task
behavioral1
Sample
d9316e28af4c5e2b53f3abc9205d11079eed8f0e59e4ce404fea96768f00a619.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d9316e28af4c5e2b53f3abc9205d11079eed8f0e59e4ce404fea96768f00a619.exe
Resource
win10v2004-20250217-en
General
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Target
d9316e28af4c5e2b53f3abc9205d11079eed8f0e59e4ce404fea96768f00a619.exe
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Size
66KB
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MD5
447d50d1d95ed9884f2b4d060a7435aa
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SHA1
8d72239a3541d56edae45c01e6247a1e75d4b3e8
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SHA256
d9316e28af4c5e2b53f3abc9205d11079eed8f0e59e4ce404fea96768f00a619
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SHA512
0ab8c3a4ebaec06aafc460866a292c67e2369e537424d157ff634df7547fd151966dde875a2f6fdee4917d087f945d4f42ccc1aa5ae08b4e122878058b1da3dd
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SSDEEP
1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1:E1oEFlt6vghzwYu7vih9GueIh9j2IoHm
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 332 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 332 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" d9316e28af4c5e2b53f3abc9205d11079eed8f0e59e4ce404fea96768f00a619.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe d9316e28af4c5e2b53f3abc9205d11079eed8f0e59e4ce404fea96768f00a619.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 d9316e28af4c5e2b53f3abc9205d11079eed8f0e59e4ce404fea96768f00a619.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1992 wrote to memory of 332 1992 d9316e28af4c5e2b53f3abc9205d11079eed8f0e59e4ce404fea96768f00a619.exe 30 PID 1992 wrote to memory of 332 1992 d9316e28af4c5e2b53f3abc9205d11079eed8f0e59e4ce404fea96768f00a619.exe 30 PID 1992 wrote to memory of 332 1992 d9316e28af4c5e2b53f3abc9205d11079eed8f0e59e4ce404fea96768f00a619.exe 30 PID 1992 wrote to memory of 332 1992 d9316e28af4c5e2b53f3abc9205d11079eed8f0e59e4ce404fea96768f00a619.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\d9316e28af4c5e2b53f3abc9205d11079eed8f0e59e4ce404fea96768f00a619.exe"C:\Users\Admin\AppData\Local\Temp\d9316e28af4c5e2b53f3abc9205d11079eed8f0e59e4ce404fea96768f00a619.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:332
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD5e9ada38348a179de7c735ed7c3203004
SHA1ed4c9f965646b15205b912f79a85d22257b31a55
SHA256fe8254be303bae095bac2a1cfd940be9b579ecfcf3ae3a879aeeac86ae2ecf7c
SHA512d06efaaabeb48ea1c1c9777f76b7076ab7a13d9596399b48698481b9c3a1796288bd0712d0c7d5dd899e5ce27465075680e8fd6574fbd04be3ba1962d7849d9c