blihanstealer | ac2a7f56513d3123bdedc60152ed825c693282276398fbbc6ea2b1331a3c2abe

Analysis

max time kernel
150s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 11:11

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General

Target
2026-08-03_7b4579592e59e91191132529a0f4a565_elex_qilin.exe
Size 96KB
Sample260804-narq8at1hs
SHA256 ac2a7f56513d3123bdedc60152ed825c693282276398fbbc6ea2b1331a3c2abe
MD5 7b4579592e59e91191132529a0f4a565
SHA1 7425f0a5f2e4bff25199e7cec7f70eb351b49ad0
SHA512 2e6412d514d037e90e4fd431012a87763a23328370dab5bf3cd9871489178fb2d3e007c7aa58b1cff9eeed2f3065e71e3fe1a413bc8d30d0af8144fa6eff2ffe
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWh3:E6t
TLSH
T102A3B34B4F71CDDBE800143E9BAAA21C86D3FC541CDCF35A96EED84670C291C899E967
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/4300-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000800000001b85a-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4300-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5936-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5760-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5760	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5760	microsofthelp.exe
5936	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-1-5-21-3611646547-550105268-947503007-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-03_7b4579592e59e91191132529a0f4a565_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	2026-08-03_7b4579592e59e91191132529a0f4a565_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	2026-08-03_7b4579592e59e91191132529a0f4a565_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 4300 wrote to memory of 5760	4300	2026-08-03_7b4579592e59e91191132529a0f4a565_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-03_7b4579592e59e91191132529a0f4a565_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_7b4579592e59e91191132529a0f4a565_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:4300
- 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:5760

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5936

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 e3169307a6e6d29276e49a1a339ebef0b06df057d9b853c4606f64dec019e037
MD5 f3072f376aa04a27401ab5af7dd8c0eb
SHA1 79b12bbf41cedeb9573c16e400caa4071db9d1e9
SHA512 7123999312e66c059572dbf7ab112732cfb270135ec06284555cbf9f4292c6dffda9c4d0450d68756fec8c8e16330663de2a1ad1ef26f96f6ee643ef947fa297
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhw:E6t
TLSH
T13FA3B34B4F71CDDBE800143E9BAAA21C86D3FC541CDCF35A96DED84670C291C899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4300-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4300-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5760-11-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5936-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads