blihanstealer | 88cd6a9b8a0d5a5b715ce9e9e42be6dddf566d4fa612f432b3f91e267544f532

Analysis

max time kernel
150s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/10/2026, 16:21

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General

Target
2026-10-01_3c08af8cffb5f08274d4041c326cd55a_elex_qilin_rhadamanthys.exe
Size 128KB
Sample261002-ttpc4aea67
SHA256 88cd6a9b8a0d5a5b715ce9e9e42be6dddf566d4fa612f432b3f91e267544f532
MD5 3c08af8cffb5f08274d4041c326cd55a
SHA1 bc78e8f2fb61b381b31f46aa58f325c23eb0c7f8
SHA512 585fa3d65275bfbe8d04c916b3b46ea4a811f4d4fcc24811bd29701d777895057b982b42e228cc667e6c1ed8fa162dd55d017bf6d4ae61091aace973e0475f67
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKr:eene
TLSH
T1CDD3E6075EA1CCEBD850003A57FAA22D86EBFC441DECE35687DDCC4634D2918C9AEA57
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/476-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x00160000000115ad-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/476-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2032-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1800-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
1800	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1800	microsofthelp.exe
2032	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-1-5-21-560646293-820748483-2532804640-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-01_3c08af8cffb5f08274d4041c326cd55a_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-10-01_3c08af8cffb5f08274d4041c326cd55a_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	2026-10-01_3c08af8cffb5f08274d4041c326cd55a_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 476 wrote to memory of 1800	476	2026-10-01_3c08af8cffb5f08274d4041c326cd55a_elex_qilin_rhadamanthys.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-10-01_3c08af8cffb5f08274d4041c326cd55a_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-01_3c08af8cffb5f08274d4041c326cd55a_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:476
- 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:1800

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2032

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 129KB
SHA256 68f101a000278c3ea734b44f09390dab2614e085dfaa9c366066e9fcb3bd4b46
MD5 253112de1d5ae6df074b0636cf4f9ac0
SHA1 720983096ba5abb88ca2a8ef86ba82e9900a752f
SHA512 5988ed4ee4b8a596e62f07733c0cac8e6db926fb34b3dbb437b071220a2c7e17f3c7dfddb665edbb9a8996f6028a18ea5558b0397a96ef08563fbe9d73cde478
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hK5:eene
TLSH
T130D3E6075EA1CCEBD850003A57FAA22C86EBFD441DECE35687DDCC4634D2918C9AEA57
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/476-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/476-5-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/1800-9-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/2032-8-0x0000000000400000-0x000000000040F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads