blihanstealer | 04375c4abb26a18530bd1ee363a49c2b181cf3f4c651bcfbac68f5a8e5eeadf3

Analysis

max time kernel
149s
max time network
142s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/08/2026, 04:41

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General

Target
2026-08-05_d412e58ef424f9e6112ce8c85c54ab2f_elex_qilin.exe
Size 96KB
Sample260805-fbhwpsdf35
SHA256 04375c4abb26a18530bd1ee363a49c2b181cf3f4c651bcfbac68f5a8e5eeadf3
MD5 d412e58ef424f9e6112ce8c85c54ab2f
SHA1 f8f354468564bdff6b1ca38b6ef492619a69885b
SHA512 5155813e7fa4d7b48ca80c02fd37fee039f2ab3661c10e1fd014751a54f51605f3b8152fc0c944dd3f79969a70ce0af348220331aef5b5a8c7e77eb32e6f8728
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWh7:E6
TLSH
T1C1A3B34B8E71CDDBE810143E9BAAA11C86D3FC541CCCF35697EED84670C2918C99E967
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/1208-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1208-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a00000001b315-5.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1116-8-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1864-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
1864	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1864	microsofthelp.exe
1116	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-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-05_d412e58ef424f9e6112ce8c85c54ab2f_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-05_d412e58ef424f9e6112ce8c85c54ab2f_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	2026-08-05_d412e58ef424f9e6112ce8c85c54ab2f_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 1208 wrote to memory of 1864	1208	2026-08-05_d412e58ef424f9e6112ce8c85c54ab2f_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-05_d412e58ef424f9e6112ce8c85c54ab2f_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-05_d412e58ef424f9e6112ce8c85c54ab2f_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:1208
- 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:1864

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1116

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 f63621b4d5b306b497fd866de0be4e39dd74fdb0ec01eecf4f916e44064c4f09
MD5 8661ef0d40bf0a40cfa678d4e2343857
SHA1 d2c0497f8c19022f0017998f0310c91ca42cdbfb
SHA512 3a5aea3b6d7f9ef9e95d7a33f30278c6ad31386ab625213001b2756c1b6701326ca5b22db78528085b364339df447de24bbcf5c9adfcc2ee8aa6731f2673bfdc
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhd:E6
TLSH
T1AEA3B34B8E71CDDBE810143E9BAAA11C86D3FC541CCCF35697EED84670C2918C99EA67
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1116-8-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1208-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/1208-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/1864-9-0x0000000000400000-0x000000000040E000-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