blihanstealer | 6e58cb164eadd6a0907c0bb67c4f889da0811b06ea71b2e20bd016a9ad2e88fd

Analysis

max time kernel
149s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
16/09/2026, 10:18

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General

Target
6e58cb164eadd6a0907c0bb67c4f889da0811b06ea71b2e20bd016a9ad2e88fd.exe
Size 57KB
Sample260916-mcdfyayepa
SHA256 6e58cb164eadd6a0907c0bb67c4f889da0811b06ea71b2e20bd016a9ad2e88fd
MD5 876fda205cf7dd67cb1bc8ffcd15e3de
SHA1 70139afcdcda39585f32fa75643f4b2b5a52ff39
SHA512 4812a4325f934b373ab15811540d722a9053997b29c9d95710fb21dd7a9d5db4ff2527de2816fedcb7559706b72e99f4abd5e18fcd09ecbc41a4f801ca5d693f
SSDEEP 1536:PAo0Jj2d6rnJlh7/Qf+ASvHn15wMDAtG4ShrYRGA8NR:PAoGl7h7/Qf+ASvHn15wMDAtG4ShrYRW
TLSH
T1ED43AD2379D68077D081013205B59B7DEA7F7D421FF496C7CBD8DA1A2A625908D3A287
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery blihanstealer persistence stealer trojan

Malware Config

Extracted

Family

blihanstealer

Mutex

pomdfghrt

Attributes

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

Family: BlihanStealer
Blihan is a stealer written in C++.
trojan stealer blihanstealer

Deletes itself 1 IoCs

pid	Process
1632	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1632	microsofthelp.exe
4820	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-240542094-4193773837-3211495583-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	6e58cb164eadd6a0907c0bb67c4f889da0811b06ea71b2e20bd016a9ad2e88fd.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	6e58cb164eadd6a0907c0bb67c4f889da0811b06ea71b2e20bd016a9ad2e88fd.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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6e58cb164eadd6a0907c0bb67c4f889da0811b06ea71b2e20bd016a9ad2e88fd.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3216 wrote to memory of 1632	3216	6e58cb164eadd6a0907c0bb67c4f889da0811b06ea71b2e20bd016a9ad2e88fd.exe	83

C:\Users\Admin\AppData\Local\Temp\6e58cb164eadd6a0907c0bb67c4f889da0811b06ea71b2e20bd016a9ad2e88fd.exe
"C:\Users\Admin\AppData\Local\Temp\6e58cb164eadd6a0907c0bb67c4f889da0811b06ea71b2e20bd016a9ad2e88fd.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3216
- 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:1632

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4820

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

microsofthelp.exe

Path C:\Windows\microsofthelp.exe
Size 57KB
SHA256 fd41e3e12085f1f3bfb6e3437c1b6f18e3b60ad9aed08324b90a7a863a337235
MD5 bd86c1ac4c40c9e9e0f65e25a0567aea
SHA1 fe045b9edd2e94f4483ed1b2aff937aab3ddfd86
SHA512 5d309d738ad351c39e8baa27ff7d5b201524e41984b7951ee025ad7898094d18cb0764ac4beabbc248731835e61be2bfad2b3d31cae97263d60430de066cb360
SSDEEP 1536:PAo0Jj2d6rnJlh7/Qf+ASvHn15wMDAtG4ShrYRGA8NR0:PAoGl7h7/Qf+ASvHn15wMDAtG4ShrYRB
TLSH
T11143AE2379D68077D081013209B59B7DE67F7D421FF496C7CBD8DA1A2A62590CD3A287
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1632-8-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/3216-0-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/3216-4-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4820-7-0x0000000000400000-0x000000000040F000-memory.dmp

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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