blihanstealer | 1e1a809852ef2a06bff5876a331dedd72577b9f89e9676d6338db58d3e16ebbc

Analysis

max time kernel
150s
max time network
114s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
03/08/2026, 09:23

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General

Target
2026-08-03_3627786e63d5795b91e89b37432c8ca0_elex_qilin.exe
Size 96KB
Sample260803-lcvvjsfp5x
SHA256 1e1a809852ef2a06bff5876a331dedd72577b9f89e9676d6338db58d3e16ebbc
MD5 3627786e63d5795b91e89b37432c8ca0
SHA1 f4d80dec4721cb4d7b130e0ffd6e0d8b63abf44e
SHA512 fdf2488ea6240fd58c48768860a9566b90b13ab9dc8062b76b2a225473be279a87ed536db951a7ba24314dd2c547c6e7dd8d4f997bb96f4e70a36b66bff89f71
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhe:E6
TLSH
T142A3B34B4E71CDDBE814143E9BAAA21C86D3FC541CCCF35A96EED84270C2918C99E967
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/1324-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x001200000001c4d1-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1324-5-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1788-8-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5872-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5872	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5872	microsofthelp.exe
1788	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-1-5-21-3989226554-2204910950-1522900112-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-03_3627786e63d5795b91e89b37432c8ca0_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-03_3627786e63d5795b91e89b37432c8ca0_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	2026-08-03_3627786e63d5795b91e89b37432c8ca0_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 1324 wrote to memory of 5872	1324	2026-08-03_3627786e63d5795b91e89b37432c8ca0_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-03_3627786e63d5795b91e89b37432c8ca0_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_3627786e63d5795b91e89b37432c8ca0_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:1324
- 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:5872

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1788

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 96KB
SHA256 5c519db4e159de4d6a908b9108a8a3854849a0f3e717cf80071102b72c7797c9
MD5 3cd98714d6d36d573257346af3705b93
SHA1 30133d71529704630fb24b66853e7238b814439e
SHA512 eec51f0574a02925770b78531161450126ada45df9a5869cdd44fd113423ba2cda782bad987bd4153d228caf6caba1492c31d43476df16cc2e8cf34f928e654f
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWh:E6
TLSH
T1ACA3B34B4E71CDDBE814143E9BAAA21C86D3FC541CCCF35A96EED84270C2918C99E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1324-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1324-5-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1788-8-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5872-9-0x0000000000400000-0x000000000040E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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