blihanstealer | 398d4454dcdf8de5efc395cd87d35267b2597f8a60864675e2b9e535274af6b1

Analysis

max time kernel
150s
max time network
128s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
29/10/2026, 22:52

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General

Target
2026-10-28_9a5f4661b9c3864bebd6bbc807ecdd3d_elex_qilin_rhadamanthys.exe
Size 126KB
Sample261029-2tj3datvgx
SHA256 398d4454dcdf8de5efc395cd87d35267b2597f8a60864675e2b9e535274af6b1
MD5 9a5f4661b9c3864bebd6bbc807ecdd3d
SHA1 b33e1069a170e6ef6e55903913fc5f81d179fc6c
SHA512 9a5fd424ea4f11a465a9421276baf02df1000e382fe58e6b3989272820a9b6b1a7bc2f101680067836fdee7ed9688c233a1b0b979367614d84783db3e14d21f2
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKM:eene
TLSH
T1B2C3E60B5FB1CCEBD841043A57BAA22D86E7BC440DDCE35687DDCC4634D2918C8AEA57
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion 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/3380-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3380-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0007000000016b39-6.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4992-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5052-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
5052	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5052	microsofthelp.exe
4992	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-1-5-21-53044966-3830981193-2402648431-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-28_9a5f4661b9c3864bebd6bbc807ecdd3d_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-10-28_9a5f4661b9c3864bebd6bbc807ecdd3d_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	2026-10-28_9a5f4661b9c3864bebd6bbc807ecdd3d_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 3380 wrote to memory of 5052	3380	2026-10-28_9a5f4661b9c3864bebd6bbc807ecdd3d_elex_qilin_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-28_9a5f4661b9c3864bebd6bbc807ecdd3d_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-28_9a5f4661b9c3864bebd6bbc807ecdd3d_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:3380
- 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:5052

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4992

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

Indicator Removal

T1070

File Deletion

T1070.004

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 127KB
SHA256 98a98f06a54fac26b9cd4bc8de845267cfb2042081df81c8c232cd6e98ba7e8a
MD5 b9148fbbf9170283c4f5d5f4f74e806e
SHA1 1819654dfb09f36a220f8388d181c671d9168b3d
SHA512 ec971576cb8655b46672955932a3e7e67eed43623bd355e68a462947aa1346dadac5c3bb42f64c67c718ac5a1c7036cd4ab9085ce8766c687fa63ed4460e1ceb
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKv:eene
TLSH
T190D3D60B5FB1CCEBD841043A57BAA22D86EBBC440DDCE35697DDCC4634D2918C8AEA57
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3380-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/3380-5-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4992-8-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/5052-9-0x0000000000400000-0x000000000040F000-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