blihanstealer | d40210b3f67ea0c3b441570d95f054a624ccfae8cc3bb6d48d7397816e68037c

Analysis

max time kernel
149s
max time network
154s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
27/05/2026, 16:53

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General

Target
2026-05-27_435284061a3ed4e5e00628ead0ab3149_elex_qilin_rhadamanthys.exe
Size 115KB
Sample260527-vebdcsft6v
SHA256 d40210b3f67ea0c3b441570d95f054a624ccfae8cc3bb6d48d7397816e68037c
MD5 435284061a3ed4e5e00628ead0ab3149
SHA1 a62a2aff85ec8b54004c6bb6c098196b0f370263
SHA512 3955f750fb4cfde136961c4bb6a038823bfa6df02e64a7adc354f34023f81a1f1fabd329b615fe8055a436ef38fc9ee494741d0c9233fc4b31d8b3010a48155a
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qH8:een
TLSH
T10BB3090B6EA5C9DBC401003B5BFAB23D86EBBD441DECE35697DDC80635C2918C96E647
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

Custom signature

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral2/memory/3196-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3196-4-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x002500000002b25f-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3960-7-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3412-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3412	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3412	microsofthelp.exe
3960	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-1-5-21-125073035-2952146151-721812867-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-05-27_435284061a3ed4e5e00628ead0ab3149_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-05-27_435284061a3ed4e5e00628ead0ab3149_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	2026-05-27_435284061a3ed4e5e00628ead0ab3149_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 3196 wrote to memory of 3412	3196	2026-05-27_435284061a3ed4e5e00628ead0ab3149_elex_qilin_rhadamanthys.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-27_435284061a3ed4e5e00628ead0ab3149_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-27_435284061a3ed4e5e00628ead0ab3149_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:3196
- 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:3412

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3960

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 115KB
SHA256 b4d5eeead9408eaced2bf465af116ad7c18ef1ab39a95f95342a4411d879d368
MD5 6ef62c79cf08885f06f70fdc364f3138
SHA1 c8a474427f5a5b018e8f4ef0611370fd30200d0a
SHA512 077481626da2e02ae7c1dcca0c234911ca0fa8ee75ed4f3c0a6e610ba1483e04d140c1abd0f6db57735238e377efccb9e0b4955dcf85ce8bbf5cdf87e1cc2e0c
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHH:een
TLSH
T181B3080B6EA5C9DBC401003B5BFAB23D86EBBD441DECE35697DDC80635C2918C96E647
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3196-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/3196-4-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/3412-8-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/3960-7-0x0000000000400000-0x000000000040F000-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