blihanstealer | cfaf291473c94ac674d851a8b89009fe5f389edabfd73a42fd8e7cd91d8222ec

Analysis

max time kernel
150s
max time network
132s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 04:50

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General

Target
2026-08-04_f8055fd24eea8556f33937f90bf0f286_elex_qilin_rhadamanthys.exe
Size 121KB
Sample260804-fgasaadb98
SHA256 cfaf291473c94ac674d851a8b89009fe5f389edabfd73a42fd8e7cd91d8222ec
MD5 f8055fd24eea8556f33937f90bf0f286
SHA1 85f5a017207081470cee90b54bd98d5fe15c3943
SHA512 f924123e3dd46b6a9ebfd6a616216f96eb1885835f571aa44e168ebcf810d3fd32c29d24335ee7a85a996e65c76f9e7d6c99c81dfd5aaa6ccfce5996def086f6
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKP:eene
TLSH
T1DAC3F70B6EA1CCDBD450043A57FAA22D86EBBC440DECE35797DDCC4634D2918C8AEA57
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/1804-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a000000011390-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1804-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1772-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3616-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3616	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3616	microsofthelp.exe
1772	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-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-04_f8055fd24eea8556f33937f90bf0f286_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	2026-08-04_f8055fd24eea8556f33937f90bf0f286_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	2026-08-04_f8055fd24eea8556f33937f90bf0f286_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 1804 wrote to memory of 3616	1804	2026-08-04_f8055fd24eea8556f33937f90bf0f286_elex_qilin_rhadamanthys.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-04_f8055fd24eea8556f33937f90bf0f286_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-04_f8055fd24eea8556f33937f90bf0f286_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:1804
- 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:3616

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1772

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 122KB
SHA256 60dbabd5a6d7fb2d1276191373d1dedeb989077828f1c330ae2cac2a7af52cd3
MD5 8cb7e4bb026344aa132f920e76549cc3
SHA1 144afc249493031a7e099f659beabdb3d5730a70
SHA512 842ed0435c58336482b6bfca2493dfcde35b029f082f5c67f01dd4ef1fa5fc39603aa37a1f1e947be6976ae646fa89d7d03518219f8f514e4737a6fa0f25ce61
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKd:eene
TLSH
T114C3F70B6EA1CCDBD411043A57FAA22D86EBBC440DECE35697DDCC4634D2918C8AEA57
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1772-8-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/1804-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/1804-5-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/3616-9-0x0000000000400000-0x000000000040F000-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