blihanstealer | 3e41fc8d6c10c94baa0976f955811f7759d587774772afd6a2acc9adfdfe1bb0

Analysis

max time kernel
150s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 08:01

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General

Target
2026-08-02_c3ed022915c280424ac42ac45e30a59b_elex_qilin.exe
Size 92KB
Sample260802-jwr7nafd64
SHA256 3e41fc8d6c10c94baa0976f955811f7759d587774772afd6a2acc9adfdfe1bb0
MD5 c3ed022915c280424ac42ac45e30a59b
SHA1 40e5bef75d1dac7743a19a3ff7128df4bb2455ff
SHA512 795d485fbcd045bbef5813a5862271f0e90325d8a08b30e6c1aee4f8afcd80036f9bb09d17bfcf3d26074b21eb172b8fcd7d3bce0f3fab4148b8d73458b1cb0b
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhn:E1oEFlt6vghzwYu7vih9GueIh9j2IoHo
TLSH
T14693B34B4E71CDDBE810143E97EAA21C86D3FC441CDCF35A96EED84670C291C899EA67
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

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral2/memory/2036-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2036-5-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0006000000016b3a-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2752-8-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1732-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
1732	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1732	microsofthelp.exe
2752	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-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-02_c3ed022915c280424ac42ac45e30a59b_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-02_c3ed022915c280424ac42ac45e30a59b_elex_qilin.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	2026-08-02_c3ed022915c280424ac42ac45e30a59b_elex_qilin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 1732	2036	2026-08-02_c3ed022915c280424ac42ac45e30a59b_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_c3ed022915c280424ac42ac45e30a59b_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_c3ed022915c280424ac42ac45e30a59b_elex_qilin.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2036
- 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:1732

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2752

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 93KB
SHA256 5446027a3260c9cfaf1f48b2f8233c7f1e9895b83b83b51fe12f4780b0f62848
MD5 b7fa9786cdd98cbee7f4204ad3700c17
SHA1 b6385f6f8a9c2709dbef77532374d35fdf8fb91e
SHA512 2bef6a1c4a6e5861d9db3fa9e3478a0c6373a87f5138c2806920a768c7a175b9df999174b070f3e45467b8c2a71874eb9cee9c6f171cc73264c86af2a47f32f8
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrht:E1oEFlt6vghzwYu7vih9GueIh9j2IoH6
TLSH
T16E93B34B4E71CDDBE800143E97AAA21C86D3FC441CDCF35A96DED84670C291C899EA67
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1732-9-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2036-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2036-5-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/2752-8-0x0000000000400000-0x000000000040E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads