blihanstealer | c419cff63cbe44b2b56c106eb8a804d9c0da385a3917e432c1f6dc177c75f1b4

Analysis

max time kernel
150s
max time network
146s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/10/2026, 11:32

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General

Target
2026-10-22_5fa14931cca4b9e1fa1407e34a32d3ae_elex_qilin_rhadamanthys.exe
Size 129KB
Sample261024-nndrhseh37
SHA256 c419cff63cbe44b2b56c106eb8a804d9c0da385a3917e432c1f6dc177c75f1b4
MD5 5fa14931cca4b9e1fa1407e34a32d3ae
SHA1 40c54bf4a841decc27c7bba3e1bf3618ca9286d0
SHA512 2d7ec6d627e7a736aad91c1c6f4c384bb99277d6d0b2af6b856eb6db7dd832ad649dc970cd5ddbcf37755f577cac61e05ba513e878be3bdceb09bbaca3cf32ae
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKc:eene
TLSH
T1BBD3D50B5FA1CCEBD840043A57BAA22D86E7BC441DDCE35687EDCC4634D2918C8AEA57
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

Custom signature

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral2/memory/108-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000c00000001b8c3-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/108-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2736-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4076-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
4076	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4076	microsofthelp.exe
2736	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"	2026-10-22_5fa14931cca4b9e1fa1407e34a32d3ae_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-10-22_5fa14931cca4b9e1fa1407e34a32d3ae_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	2026-10-22_5fa14931cca4b9e1fa1407e34a32d3ae_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 108 wrote to memory of 4076	108	2026-10-22_5fa14931cca4b9e1fa1407e34a32d3ae_elex_qilin_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-22_5fa14931cca4b9e1fa1407e34a32d3ae_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-22_5fa14931cca4b9e1fa1407e34a32d3ae_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:108
- 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:4076

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2736

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 130KB
SHA256 afaa5d8503eccf3ff45d8aaf11eb0caf7665c783d5ed45097d78b6f6d8af6163
MD5 2d6f979d70d46242fcb72a5cbbb5ba07
SHA1 354190b000ecc5d61fe862e262f373e7b087366e
SHA512 b9a05383727232d3d9c835cf6d98f9e3cfb902f283ce867930d8b1192b01ef2f521b21f946e3f7f25a1d0a24207e3f1d59a75b919d612d3a949bbc7018cdf381
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKv:eene
TLSH
T199D3D50B5FA1CCEBD850043A57FAA22D86E7BC441DDCE35687EDCC4634D2918C8AEA57
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/108-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/108-5-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/2736-8-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4076-9-0x0000000000400000-0x000000000040F000-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