blihanstealer | 8e3eebae1d5a697d557fb0719a47a018f5bc5ec14384bce17e4f1fd069e36fb8

Analysis

max time kernel
149s
max time network
132s
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, 04:17

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General

Target
2026-08-01_35a960e866d5c6039f7d1ed29cf3f641_elex_qilin.exe
Size 94KB
Sample260802-ewvwbsch67
SHA256 8e3eebae1d5a697d557fb0719a47a018f5bc5ec14384bce17e4f1fd069e36fb8
MD5 35a960e866d5c6039f7d1ed29cf3f641
SHA1 c22e4f57bed4a674b6644f7eef5d8e5d63e9d9f1
SHA512 fc861823eab28ff00a8edcd20ec4a513138fca2eb7d229c417e73e449185d4011881d348821cad1799fa3438bd889d7a87f6c17794b0076876442af556dca499
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hF:E1oEFlt6vghzwYu7vih9GueIh9j2IoHm
TLSH
T1A693C24B4E61CEDFD804103BABEAA22C86E3FC451DDCF35657EEC80664C2918C88E957
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/3556-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a000000011390-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3556-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5940-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3416-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3416	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3416	microsofthelp.exe
5940	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-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-01_35a960e866d5c6039f7d1ed29cf3f641_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	2026-08-01_35a960e866d5c6039f7d1ed29cf3f641_elex_qilin.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	2026-08-01_35a960e866d5c6039f7d1ed29cf3f641_elex_qilin.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3556 wrote to memory of 3416	3556	2026-08-01_35a960e866d5c6039f7d1ed29cf3f641_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-01_35a960e866d5c6039f7d1ed29cf3f641_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_35a960e866d5c6039f7d1ed29cf3f641_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:3556
- 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:3416

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5940

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 535011e0196cb12d369a52aee9379a84a99be31603082e044e50a77b784f7f45
MD5 c834ced22923f203f1065b8a458e1ffe
SHA1 3c8ce793baab811da29c91e4cace74f5f5bec9c8
SHA512 d90205afdc79a4d5688baf8fb101e53e6e949da6a7d73499bcae6acb0da69f14b21268e031e1853cebebd254c94903248f90787d414e61396e9a77a6aea9bc4a
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h7:E1oEFlt6vghzwYu7vih9GueIh9j2IoH4
TLSH
T1CD93C24B4EA1CDDFD804103BABEAA25C86E3FC451DDCF35557EEC80664C2918C88E957
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3416-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3556-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3556-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5940-9-0x0000000000400000-0x000000000040E000-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