blihanstealer | d8c5ad6de9ae352a78dd64b42a3bfd148010b6d312c3be357ef7d919126d89a2

Analysis

max time kernel
149s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
07/05/2026, 10:32

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General

Target
2026-05-07_7ee213f5ac1efb62b90418e1c38a4db9_elex_qilin_rhadamanthys.exe
Size 132KB
Sample260507-mk7praby8s
SHA256 d8c5ad6de9ae352a78dd64b42a3bfd148010b6d312c3be357ef7d919126d89a2
MD5 7ee213f5ac1efb62b90418e1c38a4db9
SHA1 c9ec918cc87e9ced97e5a687f3ed68d1b0b0a597
SHA512 153e9301affbd1cb4157ce0569878125edaedf42091e3a57b1de0d2c226d61857d2b56c7cb05dbcf9eff9a40628bcaf38747a752d8185bc77c30bff5b353d5bd
SSDEEP 3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hK/:W9nu
TLSH
T168D3E7075EA1CCEBD840043A57FAB22D86E7BC441DDCE35697DECC4634D2918C8AEA57
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/4660-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x002800000002b23d-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4660-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5256-7-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4148-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4148	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4148	microsofthelp.exe
5256	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-1-5-21-2122505878-652277452-2375749442-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-05-07_7ee213f5ac1efb62b90418e1c38a4db9_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-05-07_7ee213f5ac1efb62b90418e1c38a4db9_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	2026-05-07_7ee213f5ac1efb62b90418e1c38a4db9_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 4660 wrote to memory of 4148	4660	2026-05-07_7ee213f5ac1efb62b90418e1c38a4db9_elex_qilin_rhadamanthys.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-07_7ee213f5ac1efb62b90418e1c38a4db9_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-07_7ee213f5ac1efb62b90418e1c38a4db9_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:4660
- 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:4148

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5256

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 132KB
SHA256 53b565ea704e56e4753fc1d94d6febeb96067a492bb5217a9c59b687136f4e46
MD5 7f0ee43ac6a287511311740202a6afae
SHA1 a8647a196db16a1a62ec6b938af985bf7e795994
SHA512 2488045990df8f08bd009d02dda5b495cbbd151f89410c144f3719060739c8490a80fa080a8c2972bca5fc1ab214b6cc30095d776bfba371664ec87505eb119b
SSDEEP 3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKz:W9nu
TLSH
T195D3E6075EA1CCEBD840043A57FAB22D86E7BC441DECE35697DECC4634C2918C8AEA57
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4148-8-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/4660-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/4660-5-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/5256-7-0x0000000000400000-0x000000000040F000-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