Analysis
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max time kernel
149s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
27/02/2025, 06:15
Static task
static1
Behavioral task
behavioral1
Sample
d95f709f125b664e053458472ea81722f8ffacfa36a696f2a864bc1ec3b06166.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d95f709f125b664e053458472ea81722f8ffacfa36a696f2a864bc1ec3b06166.exe
Resource
win10v2004-20250217-en
General
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Target
d95f709f125b664e053458472ea81722f8ffacfa36a696f2a864bc1ec3b06166.exe
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Size
74KB
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MD5
0226658c7a28eda3f8509d4bd571df53
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SHA1
f740b4be3ff2bab54a1be9ab9be160d6c6bd0b42
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SHA256
d95f709f125b664e053458472ea81722f8ffacfa36a696f2a864bc1ec3b06166
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SHA512
d55cf478772fa82b3b1d1f47264b0ebb1ffcc01ee312df80d826dc3aa82493dbcfb785f03a513bbd5185a874650280d092859c38b57efec03d4bc074553888bf
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SSDEEP
1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrho: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 796 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 796 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" d95f709f125b664e053458472ea81722f8ffacfa36a696f2a864bc1ec3b06166.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe d95f709f125b664e053458472ea81722f8ffacfa36a696f2a864bc1ec3b06166.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 d95f709f125b664e053458472ea81722f8ffacfa36a696f2a864bc1ec3b06166.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2376 wrote to memory of 796 2376 d95f709f125b664e053458472ea81722f8ffacfa36a696f2a864bc1ec3b06166.exe 31 PID 2376 wrote to memory of 796 2376 d95f709f125b664e053458472ea81722f8ffacfa36a696f2a864bc1ec3b06166.exe 31 PID 2376 wrote to memory of 796 2376 d95f709f125b664e053458472ea81722f8ffacfa36a696f2a864bc1ec3b06166.exe 31 PID 2376 wrote to memory of 796 2376 d95f709f125b664e053458472ea81722f8ffacfa36a696f2a864bc1ec3b06166.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\d95f709f125b664e053458472ea81722f8ffacfa36a696f2a864bc1ec3b06166.exe"C:\Users\Admin\AppData\Local\Temp\d95f709f125b664e053458472ea81722f8ffacfa36a696f2a864bc1ec3b06166.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:796
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
75KB
MD518d238960726541091249b6a2248f038
SHA13060a697adebc019aa6ccc51b3ca6da9d0b41e2b
SHA256aafbf3705ce706925f899f1e57446d8fcea3560b1d6df7ad84da67471c8f43e2
SHA51267c3e3da594eba5f6a61fd4db1e5dd3066cc316277f550e1019d128dde4c4b5f7dfdc04a31c2e0f0e4404d21866c9c2f8c157aff439c8570cbe698bf39efa235