blihanstealer | b86cbda4d960696959a3a49c85656db7d527d57d6f535eec44e304fcf915831d

Analysis

max time kernel
149s
max time network
144s
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, 11:40

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General

Target
2026-08-03_726f014eab3e4b93aeb6157e9f21ea99_elex_qilin_rhadamanthys.exe
Size 137KB
Sample260803-ns2ddagg95
SHA256 b86cbda4d960696959a3a49c85656db7d527d57d6f535eec44e304fcf915831d
MD5 726f014eab3e4b93aeb6157e9f21ea99
SHA1 024a680fd53f2ec36aa3bc4178e3b1326292f7c5
SHA512 538f0cf4355514dc43fdf326c9a09c5c9eb12b2417d3f3a71e1911aa5a4df2a4c21be20e77468d212b973d2fd0be8bcb7c166ccd3de9139483946ea8703b8500
SSDEEP 3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKo:W9nu
TLSH
T129D3D50B5EA1CDEBD810003A57FAB22D86E7BC441DDCE35687DECC4635C2918C9AEA57
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/2624-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a000000011390-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2624-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/612-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2420-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
2420	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
2420	microsofthelp.exe
612	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"	2026-08-03_726f014eab3e4b93aeb6157e9f21ea99_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-03_726f014eab3e4b93aeb6157e9f21ea99_elex_qilin_rhadamanthys.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_726f014eab3e4b93aeb6157e9f21ea99_elex_qilin_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2420	2624	2026-08-03_726f014eab3e4b93aeb6157e9f21ea99_elex_qilin_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-03_726f014eab3e4b93aeb6157e9f21ea99_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_726f014eab3e4b93aeb6157e9f21ea99_elex_qilin_rhadamanthys.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2624
- 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:2420

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:612

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 137KB
SHA256 017069de6afc4d8f4894efb3d33de3e433953b0c14ac2c52f7447f5cea089c28
MD5 33167af003d812b3de7425da78f4ded3
SHA1 b0e4f2a21b41398ab4a80d8083f731b43a0daf42
SHA512 0ae3f53c216ee810600ce03480d7e3914cb45527f793f9a773a20cd859dd08ccb1424121c476e596464067292dd44fb7e3d9ae3cdb80fd1d24ec7f9cb5b93b71
SSDEEP 3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKm:W9nu
TLSH
T1CCD3D50B5EA1CDEBD810003A57FAB22D86E7BC441DDCE35687DECC4635C2918C9AEA57
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/612-8-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/2420-9-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/2624-0-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/2624-5-0x0000000000400000-0x000000000040F000-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