blihanstealer | 71b721e4656772a165f35772e522986802c26d667fa4c3559faa7e15043b1712

Analysis

max time kernel
149s
max time network
139s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
26/10/2026, 16:37

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General

Target
2026-10-25_aabd874e7dced1209b20af7951a206ff_elex_qilin_rhadamanthys.exe
Size 136KB
Sample261026-t415msfs31
SHA256 71b721e4656772a165f35772e522986802c26d667fa4c3559faa7e15043b1712
MD5 aabd874e7dced1209b20af7951a206ff
SHA1 88af0e564f8005576beab51215f2bcf5c3036b1d
SHA512 25c823f59612cf9197c9f2c3cf220fd16e16b864994c4cb11aa41d3e8391ca2f084bfaedadd3b47e2ecb5039e9630ff32a34d310a886f6eca6b2d71299fb94ee
SSDEEP 3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKK:W9nu
TLSH
T1CBD3D50B5FB1CCDBD841043A57BAA22D86E7BC440DECE35687DEDC4634C2918C9AEA57
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/4732-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0012000000011559-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4732-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4576-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4260-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
4260	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4260	microsofthelp.exe
4576	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-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-25_aabd874e7dced1209b20af7951a206ff_elex_qilin_rhadamanthys.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	2026-10-25_aabd874e7dced1209b20af7951a206ff_elex_qilin_rhadamanthys.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	2026-10-25_aabd874e7dced1209b20af7951a206ff_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 4732 wrote to memory of 4260	4732	2026-10-25_aabd874e7dced1209b20af7951a206ff_elex_qilin_rhadamanthys.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-10-25_aabd874e7dced1209b20af7951a206ff_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-25_aabd874e7dced1209b20af7951a206ff_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:4732
- 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:4260

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4576

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 136KB
SHA256 c5f20549cc472892a0f6943e1ee180a94ac3122713a59a6eb9aa19481ed31e18
MD5 c79aa4a26524c6ae8ae4c9bc33f1cdf4
SHA1 112b717f3148122290e4f41fe0cd69df0d69c1d7
SHA512 babd9f20057265b61b7dc5cc29c3cb92f99140cd41da14fe255495e49d5046a3142c0ce3cda94c009f718dd7fa3e3607068b9888bdab98353329805f4027b3b6
SSDEEP 3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKf:W9nu
TLSH
T100D3D50B5FB1CCDBD851043A57BAA22D86E7BC440DECE35687DEDC4634C2918C8AEA57
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4260-9-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4576-8-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4732-0-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4732-5-0x0000000000400000-0x000000000040F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads