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, 05:49
Static task
static1
Behavioral task
behavioral1
Sample
d3dd7d37aa32e6c012698d3be8fe2dc3fe9f47bf35df9e1ae000f5d50ca7ea7d.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d3dd7d37aa32e6c012698d3be8fe2dc3fe9f47bf35df9e1ae000f5d50ca7ea7d.exe
Resource
win10v2004-20250217-en
General
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Target
d3dd7d37aa32e6c012698d3be8fe2dc3fe9f47bf35df9e1ae000f5d50ca7ea7d.exe
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Size
42KB
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MD5
90b5ffa98a6a8c3ac03446f850e1da00
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SHA1
05320a08d013dfe6a813812dc7707a33f0029a1d
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SHA256
d3dd7d37aa32e6c012698d3be8fe2dc3fe9f47bf35df9e1ae000f5d50ca7ea7d
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SHA512
be02ec8ceb97f0e9e731fec9f7b8b2578b5c78a7c083dfdc11507ab41368f67847c1398a99049f89d9202d1442f9220025c74efc1ae6cedabc229559ccb21939
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SSDEEP
768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IZ:e6q10k0EFjed6rqJ+6vghzwYu7vih9G1
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 2844 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2844 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" d3dd7d37aa32e6c012698d3be8fe2dc3fe9f47bf35df9e1ae000f5d50ca7ea7d.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\HidePlugin.dll microsofthelp.exe File created C:\Windows\microsofthelp.exe d3dd7d37aa32e6c012698d3be8fe2dc3fe9f47bf35df9e1ae000f5d50ca7ea7d.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 d3dd7d37aa32e6c012698d3be8fe2dc3fe9f47bf35df9e1ae000f5d50ca7ea7d.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2696 wrote to memory of 2844 2696 d3dd7d37aa32e6c012698d3be8fe2dc3fe9f47bf35df9e1ae000f5d50ca7ea7d.exe 30 PID 2696 wrote to memory of 2844 2696 d3dd7d37aa32e6c012698d3be8fe2dc3fe9f47bf35df9e1ae000f5d50ca7ea7d.exe 30 PID 2696 wrote to memory of 2844 2696 d3dd7d37aa32e6c012698d3be8fe2dc3fe9f47bf35df9e1ae000f5d50ca7ea7d.exe 30 PID 2696 wrote to memory of 2844 2696 d3dd7d37aa32e6c012698d3be8fe2dc3fe9f47bf35df9e1ae000f5d50ca7ea7d.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\d3dd7d37aa32e6c012698d3be8fe2dc3fe9f47bf35df9e1ae000f5d50ca7ea7d.exe"C:\Users\Admin\AppData\Local\Temp\d3dd7d37aa32e6c012698d3be8fe2dc3fe9f47bf35df9e1ae000f5d50ca7ea7d.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2696 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:2844
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
42KB
MD5d9edeb929b252b187faa8d7209975851
SHA1b8f3c23d9c464e08621c4f44189cdae8816d929a
SHA256a7363079e4abfa6e9daeb83254e7225826e89f800cb5af24fb4d6e569b265223
SHA5124af0fd97c337a479815cf04f1f3e3839cd1d3fac6488f3178ea0789e01937428af5fbb0b58c2e9805b6b876ab801822fa0d82ba3bfd3aa375e10ed494206bc4b