Analysis
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max time kernel
149s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
26/02/2025, 20:29
Static task
static1
Behavioral task
behavioral1
Sample
1b48897d2c2666441d7a9bc569ef1220e5821beb0668e4f559fe2082b1c36c5e.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1b48897d2c2666441d7a9bc569ef1220e5821beb0668e4f559fe2082b1c36c5e.exe
Resource
win10v2004-20250217-en
General
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Target
1b48897d2c2666441d7a9bc569ef1220e5821beb0668e4f559fe2082b1c36c5e.exe
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Size
45KB
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MD5
744fa6c9c5772efc39baf7f19b1e68e5
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SHA1
4838a04ae6ae13b05e4302942dd632e39b955f46
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SHA256
1b48897d2c2666441d7a9bc569ef1220e5821beb0668e4f559fe2082b1c36c5e
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SHA512
f167e0f4304d8d5ace989f187f51d6f8ea9137f18700010e7249d103807ec41a9f513a31db13701a33320adbd54be0b6f31399c858e3842d3e3f9567247d551a
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SSDEEP
768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAcBHUIFvz:e6q10k0EFjed6rqJ+6vghzwYu7vih9GN
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 1288 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 1288 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 1b48897d2c2666441d7a9bc569ef1220e5821beb0668e4f559fe2082b1c36c5e.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 1b48897d2c2666441d7a9bc569ef1220e5821beb0668e4f559fe2082b1c36c5e.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 1b48897d2c2666441d7a9bc569ef1220e5821beb0668e4f559fe2082b1c36c5e.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2460 wrote to memory of 1288 2460 1b48897d2c2666441d7a9bc569ef1220e5821beb0668e4f559fe2082b1c36c5e.exe 31 PID 2460 wrote to memory of 1288 2460 1b48897d2c2666441d7a9bc569ef1220e5821beb0668e4f559fe2082b1c36c5e.exe 31 PID 2460 wrote to memory of 1288 2460 1b48897d2c2666441d7a9bc569ef1220e5821beb0668e4f559fe2082b1c36c5e.exe 31 PID 2460 wrote to memory of 1288 2460 1b48897d2c2666441d7a9bc569ef1220e5821beb0668e4f559fe2082b1c36c5e.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\1b48897d2c2666441d7a9bc569ef1220e5821beb0668e4f559fe2082b1c36c5e.exe"C:\Users\Admin\AppData\Local\Temp\1b48897d2c2666441d7a9bc569ef1220e5821beb0668e4f559fe2082b1c36c5e.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2460 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:1288
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
45KB
MD5a059b05b82d736bdfa10d4ab7311152b
SHA185eb5cb44dc9de713d335a0939550bb741246fa6
SHA2561b2e54b0a1b611f1d72de5ee2feaaa63aeab48f3046d8f573cc1407300babf35
SHA512f17024805dfa9fd7ab855ec753a7f59d75ec06723fb8ecd4286cf52802a146e68ebc3d9e1a6eebdb7b463544baed1b4c5d06d65be7338bda9b14d37733e24ed4