blihanstealer | 276e8b3a4eaca2ca1f486d1baf61070fc24085e64a86b430f6548ce7f3967b67

Analysis

max time kernel
150s
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, 09:34

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General

Target
2026-08-03_d17ac5395600771d08fc14a1b90b7cc1_elex_qilin_rhadamanthys.exe
Size 80KB
Sample260804-ljszjaswax
SHA256 276e8b3a4eaca2ca1f486d1baf61070fc24085e64a86b430f6548ce7f3967b67
MD5 d17ac5395600771d08fc14a1b90b7cc1
SHA1 2550a067dd03d888a9343259e7e93120b977b7a2
SHA512 a2088d1a8ccb04d2be8b965495548310f30b9517e75a5f527855104e457a9facbb444c4efb03e6d97de0650c9c6d4efeada19614b73c0d6b3f959b2ba9d4da4c
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXv:E1oEFlt6vghzwYu7vih9GueIh9j2IoHB
TLSH
T1CB834B578AA2CCEBD800003B67FAA67C86EBBC411DECB3968BDDCC1634D2914C95E557
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/2296-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0007000000016cf8-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2296-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3920-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5000-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5000	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5000	microsofthelp.exe
3920	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_d17ac5395600771d08fc14a1b90b7cc1_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-03_d17ac5395600771d08fc14a1b90b7cc1_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_d17ac5395600771d08fc14a1b90b7cc1_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 2296 wrote to memory of 5000	2296	2026-08-03_d17ac5395600771d08fc14a1b90b7cc1_elex_qilin_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-03_d17ac5395600771d08fc14a1b90b7cc1_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_d17ac5395600771d08fc14a1b90b7cc1_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:2296
- 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:5000

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3920

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 80KB
SHA256 0547e471708f6fd06050bbb718bc48e9e36a2d5f4fe999cf1a79488bc27c0e28
MD5 c93d41e04f2ac09bc77e3c6b44fa1ecc
SHA1 f74dccfe18204afe2917d2ecc7d2d7c3f3f6e205
SHA512 523c11c1aa2c76e83a3cf6e944096ce88734863feb9d90cfd555dd7ad62f2765741a26db3f7db5c7bdf7bffa3db3065a8f3e5f41803f08289852df7d79498ca6
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXM:E1oEFlt6vghzwYu7vih9GueIh9j2IoHK
TLSH
T165834B578AA2CCEBD800003B67FAA67C86EBBC411DECB3968BDDCC1634D2914C95E557
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2296-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2296-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3920-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5000-10-0x0000000000400000-0x000000000040E000-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