blihanstealer | ed0ef9561f5897e76ce52eb312535f48bcc549b34d8d635a2e57cc5ee4037065

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
23/08/2026, 03:58

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General

Target
2026-08-22_9cfc6366ae5a1f3438035e400bca52d8_elex_qilin_rhadamanthys.exe
Size 81KB
Sample260823-ejphsadr6w
SHA256 ed0ef9561f5897e76ce52eb312535f48bcc549b34d8d635a2e57cc5ee4037065
MD5 9cfc6366ae5a1f3438035e400bca52d8
SHA1 4de56d8af7e2fa74e8c6ab530261115246886590
SHA512 a6d999b984dc8c700a999fe10f882aaa42f48fbcd44b33aa53dd9013038868ba120b71a75a312d7a2fa77eca7578becfbf2becbf2cd781563dae93eada808969
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXp:E1oEFlt6vghzwYu7vih9GueIh9j2IoHT
TLSH
T1D9834B5B9EA2C8EBD800003B67FAA27C86EBBC411DDCB3968BDDC81634D2914C95E557
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/916-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x001b0000000187a6-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/916-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2276-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4840-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4840	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4840	microsofthelp.exe
2276	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-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-22_9cfc6366ae5a1f3438035e400bca52d8_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-22_9cfc6366ae5a1f3438035e400bca52d8_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	2026-08-22_9cfc6366ae5a1f3438035e400bca52d8_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 916 wrote to memory of 4840	916	2026-08-22_9cfc6366ae5a1f3438035e400bca52d8_elex_qilin_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-22_9cfc6366ae5a1f3438035e400bca52d8_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-22_9cfc6366ae5a1f3438035e400bca52d8_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:916
- 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:4840

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2276

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 81KB
SHA256 0f09344e3d7ecde69909840c02d26e3431eb524a6b05ee2210580630eb5586ba
MD5 22a7e89d4dd1c0750f598ab1b8a3ccba
SHA1 f178b62cefceeb4a723aa82d7370476f2d4c4633
SHA512 7acf166012ddd20ddd0b37261c6952ffa4b443e64ccf2b3bc8caa92b7331bccc08314f141619d36d3f40a9b21633b8241d49cd7c79d2e50a3697f0cac83c3289
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXb:E1oEFlt6vghzwYu7vih9GueIh9j2IoHd
TLSH
T1A1834B5B9AA2CCEBD800003B67FAA27C86EBBC411DDCB3968BDDCC1634D2914C95E557
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/916-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/916-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2276-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4840-10-0x0000000000400000-0x000000000040E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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