blihanstealer | 77ab142111bcee61e0cdaa28c89a270def407359f030de17e24336c5f26b4055

Analysis

max time kernel
150s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/09/2026, 20:43

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General

Target
2026-09-03_e4487ef700425eee7c5a107434ec6fd8_elex_qilin.exe
Size 94KB
Sample260905-zh1vmssdnh
SHA256 77ab142111bcee61e0cdaa28c89a270def407359f030de17e24336c5f26b4055
MD5 e4487ef700425eee7c5a107434ec6fd8
SHA1 d17c624d69d262efe8ddc393ff8849c7a618ecb0
SHA512 6d0800490874ef206a10f822a7048313b62380d10aa9c453d1dc29610a5c9ffef5066707c58f8629815258bb7ea12eec7655f763fc6e84d9dc627f3bf51e4675
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h+:E1oEFlt6vghzwYu7vih9GueIh9j2IoHl
TLSH
T14793C34B4EA1CDDBD804103BABEAA21C86D3FD455CDCF35557EEC80670C2918C99E957
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/3340-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000e000000019ca9-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3340-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1444-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5368-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5368	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5368	microsofthelp.exe
1444	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-1-5-21-2301830172-776172150-2531349243-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-09-03_e4487ef700425eee7c5a107434ec6fd8_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-09-03_e4487ef700425eee7c5a107434ec6fd8_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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-03_e4487ef700425eee7c5a107434ec6fd8_elex_qilin.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3340 wrote to memory of 5368	3340	2026-09-03_e4487ef700425eee7c5a107434ec6fd8_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-09-03_e4487ef700425eee7c5a107434ec6fd8_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-03_e4487ef700425eee7c5a107434ec6fd8_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:3340
- 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:5368

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1444

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 94KB
SHA256 db4de3236b88f01b3473bf2df1711f49d11054fdf87bd92c0a8c317da1d22a5b
MD5 70b8e61899538b14c223624e3d037e51
SHA1 bbf5f2c46388afaac620c0c2d84224b43aad4d9f
SHA512 04c09a1acd8068ddda4733523b82998848a95cbc91cb13cba2277927e9085280a58c30fcd7dac8ad477f8971c37a1791fb714bb6424c0ce17ce6d8f59b18c752
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hX:E1oEFlt6vghzwYu7vih9GueIh9j2IoHg
TLSH
T1C493C34B4EA2CDDBD804103BABEAA21C86E3FD452CDCF35557EEC80674C2918C99E957
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1444-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3340-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3340-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5368-11-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads