blihanstealer | f7489c349a0cf47b4d1ebd47f4456aaec945c2a9e398a86a04b0c202b0c35353

Analysis

max time kernel
150s
max time network
117s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/08/2026, 08:46

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General

Target
2026-08-08_b2b6fcd0b7a30b3ef8700365ae6d7b6a_elex_qilin.exe
Size 96KB
Sample260808-kn98yatbpb
SHA256 f7489c349a0cf47b4d1ebd47f4456aaec945c2a9e398a86a04b0c202b0c35353
MD5 b2b6fcd0b7a30b3ef8700365ae6d7b6a
SHA1 3778fd95d4899d69c6f5feca5bc41529f728c6fd
SHA512 7f6a93cf03c8a103d44614e00436a9ec1d4739e8c4759a8a24ba1082e5e4a407921f36b5ae29e2651dfd5811a8331c0c81b341069c268354ce7718aff2557e09
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDR:Eo
TLSH
T1E9A3B24B4E61CEDBD804103B9BEAA21C86E3FC452DDCF35957EEC80674C2918C99E997
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/4944-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a00000001136f-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4944-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3596-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2952-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
2952	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
2952	microsofthelp.exe
3596	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-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-08_b2b6fcd0b7a30b3ef8700365ae6d7b6a_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-08_b2b6fcd0b7a30b3ef8700365ae6d7b6a_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	2026-08-08_b2b6fcd0b7a30b3ef8700365ae6d7b6a_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 4944 wrote to memory of 2952	4944	2026-08-08_b2b6fcd0b7a30b3ef8700365ae6d7b6a_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-08_b2b6fcd0b7a30b3ef8700365ae6d7b6a_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_b2b6fcd0b7a30b3ef8700365ae6d7b6a_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:4944
- 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:2952

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3596

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 97KB
SHA256 ed324a3cfd3923beafceef7eb4c3b78ba09cf2a8bf1381060a782089ba4caaaf
MD5 ac8a5e1985fdc6d13bc7176d96c05480
SHA1 cac3bb7d6302292a39baa4f2bbe99f4c30bfe1d9
SHA512 1ef854e51d866a18f9017d09a296cd16c8e13ed5b5123dbe45bdc6e5b34c1d2709b408b8800fbbcc7113c5f02f5150eb83bfc257026ec63157e5e7b1ec592584
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDb:Eo
TLSH
T11FA3C24B4EA1CEDBD804103B9BEAA21C86E3FC452DCCF35957EEC80674C2918C99E957
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2952-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3596-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4944-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4944-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads