blihanstealer | 0811426c64e6b13c95223bcfaa1bfd9221b1fbb6d1f955d62e4c2df25e00c0bd

Analysis

max time kernel
149s
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
24/10/2026, 02:28

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General

Target
2026-10-22_a12e4ddc98804b91f3a2032ac991ef99_elex_qilin_rhadamanthys.exe
Size 126KB
Sample261024-cxy82ahs8n
SHA256 0811426c64e6b13c95223bcfaa1bfd9221b1fbb6d1f955d62e4c2df25e00c0bd
MD5 a12e4ddc98804b91f3a2032ac991ef99
SHA1 2839be707772f49a231a714046449ab9208e209f
SHA512 efac67478c76cb47101daaa93ebecb89871787754e9864c071f19a7043ccd03b9ff4088f3f45d6fd361cad537535c33b7639f6a537c248ebe3bab199a13e7b00
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKE:eene
TLSH
T171C3E60B5EB1CCEBD841043A57FAA22D86E7BC440DDCE35697DDCC4634D2918C8AEA57
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

Custom signature

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral2/memory/2380-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000600000001b857-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2380-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5896-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2696-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
2696	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
2696	microsofthelp.exe
5896	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-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-22_a12e4ddc98804b91f3a2032ac991ef99_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	2026-10-22_a12e4ddc98804b91f3a2032ac991ef99_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	2026-10-22_a12e4ddc98804b91f3a2032ac991ef99_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 2380 wrote to memory of 2696	2380	2026-10-22_a12e4ddc98804b91f3a2032ac991ef99_elex_qilin_rhadamanthys.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-10-22_a12e4ddc98804b91f3a2032ac991ef99_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-22_a12e4ddc98804b91f3a2032ac991ef99_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:2380
- 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:2696

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5896

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 126KB
SHA256 81e846f61d6c890613f645ee82fffd05e570f124f158f87e7e8a32f8d9bf0d68
MD5 276f002a759351058dcf73fb7b3135ed
SHA1 383974a6245603860b31cd371d216c8e2078ff20
SHA512 49b5736eb8f164b4ebb4f76546a3c798ea5e64a0446a17354e8e238eac68149775dfe616a187b574b9f25bf4f65363a89b2dae91df36760fd88c63073c5ea8a5
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKt:eene
TLSH
T1F8C3E60B5EB1CCEBD841043A57FAA22D86E7BC440DDCE35687DDCC4634D2918C8AEA57
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2380-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/2380-5-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/2696-9-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/5896-8-0x0000000000400000-0x000000000040F000-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