Analysis
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max time kernel
149s -
max time network
142s -
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, 23:48
Static task
static1
Behavioral task
behavioral1
Sample
5cc49234d51df387b800e016cef07a70188f1c13bd8530083e2a566b40384c95.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
5cc49234d51df387b800e016cef07a70188f1c13bd8530083e2a566b40384c95.exe
Resource
win10v2004-20250217-en
General
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Target
5cc49234d51df387b800e016cef07a70188f1c13bd8530083e2a566b40384c95.exe
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Size
70KB
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MD5
169b08125f4cf60709f1543024224569
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SHA1
4020066c2499bfc0ca8e42c802b59efd825a9dbc
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SHA256
5cc49234d51df387b800e016cef07a70188f1c13bd8530083e2a566b40384c95
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SHA512
ccd398d1c416ea8e1c779c94f635db46452c9e3dbdbac7fac5e8d37f1970ca13e4e3adb6ccda1780c933a4b8e45798f58fd5b9b7fed8200ce13403286802a16f
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SSDEEP
1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhf:E1oEFlt6vghzwYu7vih9GueIh9j2IoH2
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 2180 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2180 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" 5cc49234d51df387b800e016cef07a70188f1c13bd8530083e2a566b40384c95.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 5cc49234d51df387b800e016cef07a70188f1c13bd8530083e2a566b40384c95.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 5cc49234d51df387b800e016cef07a70188f1c13bd8530083e2a566b40384c95.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2276 wrote to memory of 2180 2276 5cc49234d51df387b800e016cef07a70188f1c13bd8530083e2a566b40384c95.exe 85 PID 2276 wrote to memory of 2180 2276 5cc49234d51df387b800e016cef07a70188f1c13bd8530083e2a566b40384c95.exe 85 PID 2276 wrote to memory of 2180 2276 5cc49234d51df387b800e016cef07a70188f1c13bd8530083e2a566b40384c95.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\5cc49234d51df387b800e016cef07a70188f1c13bd8530083e2a566b40384c95.exe"C:\Users\Admin\AppData\Local\Temp\5cc49234d51df387b800e016cef07a70188f1c13bd8530083e2a566b40384c95.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2276 -
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:2180
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD5dee538b4b7bb54c57dbbde2279d3453c
SHA1fcd1c75fd1ab87880c16ae2a3ceb461504a2da15
SHA256936551fb68eac38bbbd2708440b0f43718fbfc672ec6ab67faaca15518cde118
SHA51283906d8517ce6e4c97cd8ccd801287577ccd430b6f8eda28c0ef4e461079d6fd7ad16fe7bff0a8d05f4f58f7ffca7e4274790597a6e8f66689ae2ab4b2fdc762