blihanstealer | c578a00c9445df083e244ebc9496d55b6773cc30abe290a5969ede6e95de1b49

Analysis

max time kernel
149s
max time network
142s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/08/2026, 10:39

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General

Target
2026-08-01_accb6ae40443672fde9461d441f8e640_elex_qilin_rhadamanthys.exe
Size 105KB
Sample260801-mp375ahd55
SHA256 c578a00c9445df083e244ebc9496d55b6773cc30abe290a5969ede6e95de1b49
MD5 accb6ae40443672fde9461d441f8e640
SHA1 9c05bde44b70e4cb42fa7e3e4f761e1743ea57ec
SHA512 bc6d2f7c8192a8119fc15773d0593fc6a149d05c982a1a5f3a73ae8f87213ecd766afd80c4a6273e556f083638735fb1728960e89b3f23ffda00093cc062928c
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNf:een/
TLSH
T18EB35D176EE2C8ABD441003616FAA77D86AFBD410EF8A397CBDCDC1639D2914C92E147
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/5556-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5556-6-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000600000001b867-5.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4512-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5924-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5924	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5924	microsofthelp.exe
4512	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-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-01_accb6ae40443672fde9461d441f8e640_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-01_accb6ae40443672fde9461d441f8e640_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	2026-08-01_accb6ae40443672fde9461d441f8e640_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 5556 wrote to memory of 5924	5556	2026-08-01_accb6ae40443672fde9461d441f8e640_elex_qilin_rhadamanthys.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-01_accb6ae40443672fde9461d441f8e640_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_accb6ae40443672fde9461d441f8e640_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:5556
- 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:5924

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4512

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 105KB
SHA256 f500ce711b8c9b06e0860ad62f50f02af663b321831e8c43e2ced58e85ea7373
MD5 c7e7d364b989bf6f95c85e4cd22d361a
SHA1 f43feef0bbaef305bcccfa6e307d752a8f74ed96
SHA512 05d1c5d45435599f549d49ee6b6b5680d2181f256da7d697720ce96ab2f0d20e0f8aced926deec092a545074f20e4c0f30f5eeb5090cd6f32fb11fcad8f95033
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNI:een/
TLSH
T10BB35D176EE2C8A7D441003616FAA77D86AFBD410EF8A397CBDCDC1639D2914C92E147
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4512-8-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/5556-0-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/5556-6-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/5924-9-0x0000000000400000-0x000000000040F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads