blihanstealer | f500c169b61e590110e2a94399c67dfd16d45b3bcbb36179f56fbf1212f4f3f5

Analysis

max time kernel
149s
max time network
140s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
03/08/2026, 16:27

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General

Target
2026-08-03_f55d3ab695562649ebb29340e28fa514_elex_qilin.exe
Size 96KB
Sample260803-tx7nvafj81
SHA256 f500c169b61e590110e2a94399c67dfd16d45b3bcbb36179f56fbf1212f4f3f5
MD5 f55d3ab695562649ebb29340e28fa514
SHA1 ee4653f7fa528ab048c04bcebf4e5a6d83599669
SHA512 a0497784a6cb1565c705eaf4edec766310ad2f3d2359ccdeebd38f06e04fbf59daabcdb0b402a37bf767e71abe297d04842b791718dadabdaf6321c8f332be41
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhv:E6
TLSH
T199A3B34B8E71CDDBE810143E9BAAA21C86D3FC541CCCF35697DED84670C2918C99E967
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/4620-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a000000011390-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4620-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3452-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5960-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5960	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5960	microsofthelp.exe
3452	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"	2026-08-03_f55d3ab695562649ebb29340e28fa514_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-03_f55d3ab695562649ebb29340e28fa514_elex_qilin.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	2026-08-03_f55d3ab695562649ebb29340e28fa514_elex_qilin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 5960	4620	2026-08-03_f55d3ab695562649ebb29340e28fa514_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-03_f55d3ab695562649ebb29340e28fa514_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_f55d3ab695562649ebb29340e28fa514_elex_qilin.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4620
- 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:5960

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3452

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 96KB
SHA256 be5d802573f6e7edf2b4a478eec6b2c0779ede19d066f504099b03d4419c6b7d
MD5 57aeb218d6be9a4d52e6ab00e7311005
SHA1 ac1c60eab646f4788c133c47e6f1dec3a910bc60
SHA512 9fb1ef651b61e9749c9ffdc74d661331c47eac9fdbbf3b2b37e412b7b3a6a8ad12d307fd71b5fad234f1a027c7f9e665a9fe5f0ba15b586db89bba4c5de0a433
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhj:E6
TLSH
T130A3B34B4E71CDDBE810143E97AAA11C86D3FC541CCCF35697DED84670C2918C99EA67
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3452-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4620-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4620-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5960-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads