blihanstealer | f4ad98542ebb3b66cb06b6270e958ad64a9708ad1c3c4bebfb8f0f030508093b

Analysis

max time kernel
149s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
22/10/2026, 23:51

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General

Target
2026-10-22_feeff23554cb860e13262ed9bf517e46_elex_qilin.exe
Size 91KB
Sample261022-3wfcmsbg69
SHA256 f4ad98542ebb3b66cb06b6270e958ad64a9708ad1c3c4bebfb8f0f030508093b
MD5 feeff23554cb860e13262ed9bf517e46
SHA1 87721ab558d4ae59a77ddc5970daabf19e3c9a85
SHA512 f8aab3bc57ba1c8b7ae330b5f9760d506fbaccd53d726cb8c7e19c62e4996f793e6ddb43601bb21542dafcfdb40f1352884e52bb96f4b24bab21fcad85c1cc2a
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhM:E1oEFlt6vghzwYu7vih9GueIh9j2IoHj
TLSH
T1A993C44B8F71CDDBE810143EA7AAA11C86D3FC541CCCF35697EED84670C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion 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/5232-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5232-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x00070000000003e9-5.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2556-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2396-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
2396	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
2396	microsofthelp.exe
2556	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-1-5-21-1262770251-41185387-1005173349-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-22_feeff23554cb860e13262ed9bf517e46_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-10-22_feeff23554cb860e13262ed9bf517e46_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	2026-10-22_feeff23554cb860e13262ed9bf517e46_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 5232 wrote to memory of 2396	5232	2026-10-22_feeff23554cb860e13262ed9bf517e46_elex_qilin.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-10-22_feeff23554cb860e13262ed9bf517e46_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-22_feeff23554cb860e13262ed9bf517e46_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:5232
- 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:2396

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2556

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

Indicator Removal

T1070

File Deletion

T1070.004

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 92KB
SHA256 f7310839f9b40db26ecdcccb368f5958fb617191ddd19a0f08d1f00753169d8e
MD5 358259c4e1e03073b327897e83700f1b
SHA1 162849770c358b03515ab61b16b3a3d4dc619f9f
SHA512 641b5659a16ad275de140a7eb61a4709a77e5703f180b6a9c7086100ca52a13ee959a1bbfaa6f31bacfe8956eefdb34e97f52971476c655723296fd17082b2f9
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhG:E1oEFlt6vghzwYu7vih9GueIh9j2IoHl
TLSH
T12793C44B8F71CDDBE810143EA7AAA11C86D3FC541CCCF35697EED84670C2918899EA67
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2396-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2556-9-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5232-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5232-7-0x0000000000400000-0x000000000040E000-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