blihanstealer | f1a4e3441d29fa7ea17272328927d6d930af198b216919dadd97da0dc12d0784

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
04/05/2026, 04:36

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General

Target
2026-05-04_f8a06eb4e847e62a1da429ad83a48a58_elex_qilin_rhadamanthys.exe
Size 57KB
Sample260504-e8cwaact4t
SHA256 f1a4e3441d29fa7ea17272328927d6d930af198b216919dadd97da0dc12d0784
MD5 f8a06eb4e847e62a1da429ad83a48a58
SHA1 e94a6df1baa825a54c93cf48c46632f45ce59120
SHA512 bbce7d46bfc3c6824ac0804f3ba27244a81ae3186b3f33f5f1b5c5afa99822010b001bb6b65e69b494f67722adbd596d43f3fb306fdb4bf2249877c4b19343c6
SSDEEP 1536:PAo0Jj2d6rnJlh7/Qf+ASvHn15wMDAtG4Ze0GJ52pW0RrZ:PAoGl7h7/Qf+ASvHn15wMDAtG4Ze0GJM
TLSH
T1DA43AE13BED68077D081013208B59B7EDA7F3D421FF496C7DBC8DA1A2A62590CD3A287
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
behavioral1/memory/4928-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x0008000000024443-3.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4928-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/64-7-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4740-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4740	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4740	microsofthelp.exe
64	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-1-5-21-643422742-1162610606-620613169-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-05-04_f8a06eb4e847e62a1da429ad83a48a58_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-05-04_f8a06eb4e847e62a1da429ad83a48a58_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	2026-05-04_f8a06eb4e847e62a1da429ad83a48a58_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 4928 wrote to memory of 4740	4928	2026-05-04_f8a06eb4e847e62a1da429ad83a48a58_elex_qilin_rhadamanthys.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-05-04_f8a06eb4e847e62a1da429ad83a48a58_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-04_f8a06eb4e847e62a1da429ad83a48a58_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:4928
- 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:4740

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:64

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 58KB
SHA256 de21fed2fc422861f379b46d50ce499c5f7c99dbd0e127e92607024ceb8d0d4a
MD5 7a7c7748becc745feece63b217967fe8
SHA1 e94e94ae1b370eb538fccca198a00c68f59bfd23
SHA512 d944d10c4be48299e0700700cb4c69cf24cea4cee120f30a7387633b227b1b3c7cb93d57ab1e62f3222ec27619dbe52cea0df12441cd6be24fd480080b5851f5
SSDEEP 1536:PAo0Jj2d6rnJlh7/Qf+ASvHn15wMDAtG4Ze0GJ52pW0RrZE:PAoGl7h7/Qf+ASvHn15wMDAtG4Ze0GJD
TLSH
T19A43AE13BED68477D081013209B59B7EDA7F3D421FF496C7DBC8DA1A2A62590CD3A287
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/64-7-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4740-8-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4928-0-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4928-5-0x0000000000400000-0x000000000040F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads