Analysis
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max time kernel
149s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
26/02/2025, 21:33
Static task
static1
Behavioral task
behavioral1
Sample
326292c3dd4b33b6c13140a4640318d172842beb16ec38575d5780312e0160c5.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
326292c3dd4b33b6c13140a4640318d172842beb16ec38575d5780312e0160c5.exe
Resource
win10v2004-20250217-en
General
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Target
326292c3dd4b33b6c13140a4640318d172842beb16ec38575d5780312e0160c5.exe
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Size
55KB
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MD5
069958abee09a30ae1274b3f3f9f8332
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SHA1
1400dd7f0fde4e0e6b0edc11f1acae04f16c59dd
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SHA256
326292c3dd4b33b6c13140a4640318d172842beb16ec38575d5780312e0160c5
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SHA512
61fe30add80cc92e1416ea228795ae10d6b0a7ef2b9ceae3ef5da2abd2290f3b728a8f300326d4cdb345c1c270a9b58006a2e47de38acd3d2e5441d4010f7da3
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SSDEEP
1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johmh8hFIShwnohm:E1oEFlt6vghzwYu7vih9GueIh9j2IoHk
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 940 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 940 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 326292c3dd4b33b6c13140a4640318d172842beb16ec38575d5780312e0160c5.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 326292c3dd4b33b6c13140a4640318d172842beb16ec38575d5780312e0160c5.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 326292c3dd4b33b6c13140a4640318d172842beb16ec38575d5780312e0160c5.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 908 wrote to memory of 940 908 326292c3dd4b33b6c13140a4640318d172842beb16ec38575d5780312e0160c5.exe 29 PID 908 wrote to memory of 940 908 326292c3dd4b33b6c13140a4640318d172842beb16ec38575d5780312e0160c5.exe 29 PID 908 wrote to memory of 940 908 326292c3dd4b33b6c13140a4640318d172842beb16ec38575d5780312e0160c5.exe 29 PID 908 wrote to memory of 940 908 326292c3dd4b33b6c13140a4640318d172842beb16ec38575d5780312e0160c5.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\326292c3dd4b33b6c13140a4640318d172842beb16ec38575d5780312e0160c5.exe"C:\Users\Admin\AppData\Local\Temp\326292c3dd4b33b6c13140a4640318d172842beb16ec38575d5780312e0160c5.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:908 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:940
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
55KB
MD588479b2fdb2826879552845e84391d26
SHA1fb61f5c71f7ab5cca43540b94b9d7bb76bf3e8c9
SHA25602df9493853b9da0d594f858d8b9d89e7bdd8746adf9d2cf9dbe91d2a26a0bdf
SHA51284a53c51b07419a885dd558f58e43cff8150951cdc306d4b71af01f14772e48d906e12f4a3a5dbccbd88a84675c1f39ca4798a868a962365cabacf056f3f65d3