Analysis
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max time kernel
149s -
max time network
140s -
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, 21:22
Static task
static1
Behavioral task
behavioral1
Sample
2e0ea4c17b8a3453f1f980a4769836df5c59e76d7a475734744a13dff09dd51a.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
2e0ea4c17b8a3453f1f980a4769836df5c59e76d7a475734744a13dff09dd51a.exe
Resource
win10v2004-20250217-en
General
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Target
2e0ea4c17b8a3453f1f980a4769836df5c59e76d7a475734744a13dff09dd51a.exe
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Size
57KB
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MD5
1a82b1afca2ebce36e2511310e47b7a6
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SHA1
bb6fda3ad668614c4a3819cea94dd2367fc6a787
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SHA256
2e0ea4c17b8a3453f1f980a4769836df5c59e76d7a475734744a13dff09dd51a
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SHA512
4c21001f207145fd885a3e20526f71cf914265583163703017c7f7db0b4f003e95b510210e7880a269609f2da76bee5c9a74b2a2d87bc873673142030b351f0d
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SSDEEP
1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJjWH0HhSh/huhYhcLQO:E1oEFlt6vghzwYu7vih9GueIh9j2IoHz
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 4908 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 4908 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" 2e0ea4c17b8a3453f1f980a4769836df5c59e76d7a475734744a13dff09dd51a.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 2e0ea4c17b8a3453f1f980a4769836df5c59e76d7a475734744a13dff09dd51a.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 2e0ea4c17b8a3453f1f980a4769836df5c59e76d7a475734744a13dff09dd51a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2140 wrote to memory of 4908 2140 2e0ea4c17b8a3453f1f980a4769836df5c59e76d7a475734744a13dff09dd51a.exe 85 PID 2140 wrote to memory of 4908 2140 2e0ea4c17b8a3453f1f980a4769836df5c59e76d7a475734744a13dff09dd51a.exe 85 PID 2140 wrote to memory of 4908 2140 2e0ea4c17b8a3453f1f980a4769836df5c59e76d7a475734744a13dff09dd51a.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2e0ea4c17b8a3453f1f980a4769836df5c59e76d7a475734744a13dff09dd51a.exe"C:\Users\Admin\AppData\Local\Temp\2e0ea4c17b8a3453f1f980a4769836df5c59e76d7a475734744a13dff09dd51a.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2140 -
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:4908
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
57KB
MD5893466742c79b2c111ed11de2d53eaa9
SHA1211402895946beca762bb5d6461bb82ccbe4274e
SHA25619aca5eb431dcd29a5be714db9d4723c13aa180b4fdef0a704644c47093c0586
SHA5124393d917cb4fd3231c42f1df569268395dd281e16833c402fcddbf9c32c3b2364e72e7267e553c5176f86099caf2886e2a8976c8f52d3f37b5e05eab695d29df