blihanstealer | 5304439790149b68adff1e1aeadbdac60a629f2770962be2e640b1c6057d846c

Analysis

max time kernel
150s
max time network
129s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/07/2026, 23:20

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General

Target
2026-07-28_2905665c6c5767487b51cc0b43e42b28_elex_qilin.exe
Size 97KB
Sample260728-3bf4faz1at
SHA256 5304439790149b68adff1e1aeadbdac60a629f2770962be2e640b1c6057d846c
MD5 2905665c6c5767487b51cc0b43e42b28
SHA1 6a1d15a60c33c19ef6188bb9c7ce3b1486ca80d8
SHA512 4cb682bfd3fc30b78cc93a05f0fc79fef4f7ecc0d2477421c309c2177501e847025af06b8c92bbefb65f3a488419dd5829da550c203b31567982c58f60686947
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhL:E6
TLSH
T1AEA3B34B4E71CDDFE814143E9BAAA21C86D3FC541CCCF35A96EED84270C2918C99E967
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/6076-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a000000011390-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/6076-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1244-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5480-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5480	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5480	microsofthelp.exe
1244	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"	2026-07-28_2905665c6c5767487b51cc0b43e42b28_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-07-28_2905665c6c5767487b51cc0b43e42b28_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	2026-07-28_2905665c6c5767487b51cc0b43e42b28_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 6076 wrote to memory of 5480	6076	2026-07-28_2905665c6c5767487b51cc0b43e42b28_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-28_2905665c6c5767487b51cc0b43e42b28_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-28_2905665c6c5767487b51cc0b43e42b28_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:6076
- 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:5480

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1244

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 88a0251df1fa0d152fa36b77f750c02c546e328fe2f0b5c4039b260c14c7437f
MD5 60bca6a67d177456ed5bd3297555a032
SHA1 b86963c7ef64be2d9794f9adb84621eb4d3c89d1
SHA512 0b7a461cd7c9d690281b6a2a00f217548b25afdaeb6a89128e71ec4ac67fa27af6317fe16bbf46c0866fff3a94a6db6ae2fea34adf40c519b9ab1c7a62475c54
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWh9:E6
TLSH
T1FFA3A34B4E71CDDBE814143E9BAAA21C86D3FC541CCCF35A96EED84270C2918C99E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1244-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5480-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/6076-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/6076-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads