blihanstealer | dc594a02e9c00de26a26b23bdc108a4e79601b9f1e1a47adf0ea64105b28f541

Analysis

max time kernel
150s
max time network
146s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
17/08/2026, 17:42

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General

Target
2026-08-17_ec440f4d64f40251d8c894e27c759b5b_elex_qilin.exe
Size 96KB
Sample260817-waclaser2z
SHA256 dc594a02e9c00de26a26b23bdc108a4e79601b9f1e1a47adf0ea64105b28f541
MD5 ec440f4d64f40251d8c894e27c759b5b
SHA1 905b0c07b8ffeeb59b26a40618ad9c612e525209
SHA512 722b7b9c982ae2ad6559aa33379c029eeaae66dbda2a7fb87296b49e3ab3cdb63a506ec469588ee762b54e4fb305f67dc7bdd2756bd5d38f3217568938c5eb78
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhl:E6
TLSH
T146A3A34B4E71CDDFE814143E9BAAA21C86D3FC541CCCF35A96EED84270C291C899E967
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/4180-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a000000019cb5-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4180-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4648-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/480-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
480	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
480	microsofthelp.exe
4648	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-1-5-21-2246396966-3025826688-3847171515-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-17_ec440f4d64f40251d8c894e27c759b5b_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-17_ec440f4d64f40251d8c894e27c759b5b_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	2026-08-17_ec440f4d64f40251d8c894e27c759b5b_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 4180 wrote to memory of 480	4180	2026-08-17_ec440f4d64f40251d8c894e27c759b5b_elex_qilin.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-17_ec440f4d64f40251d8c894e27c759b5b_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-17_ec440f4d64f40251d8c894e27c759b5b_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:4180
- 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:480

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4648

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 946394efd6a198da2bb49a3c9d6654cf50a9fe7d2d4bdaad7af5bf9d2d2d2d8b
MD5 fc2a7843345fdd434c836b9940a17af1
SHA1 487500d3e7f7c32f7b0c6fa3d0c8b2c5dcc65f92
SHA512 cd38feb9c8eba57f4da313b9ca90804662345cd0c82325fd3840c914fe228cb0781edcb1f8ef48c02d7da8e4a107c6734852b6c75b1e6d364ed2dfa9898a1734
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhj:E6
TLSH
T10EA3A34B4E71CDDFE814143E9BAAA21C86D3FC541CCCF35A96EED84270C291C899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/480-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4180-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4180-7-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4648-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads