blihanstealer | c342ea0c9505d866ae615da077ac4b55b1bd2ed7c576921b83b18c4ced6aec7c

Analysis

max time kernel
150s
max time network
119s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 20:03

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General

Target
2026-08-04_5e63e3c154172b2599a74e58051fb333_elex_qilin.exe
Size 97KB
Sample260804-ysymlagb69
SHA256 c342ea0c9505d866ae615da077ac4b55b1bd2ed7c576921b83b18c4ced6aec7c
MD5 5e63e3c154172b2599a74e58051fb333
SHA1 e20f9c6dd024f833de434e4b660e3c24fc43d9ee
SHA512 128aa38b9d192606ab62291ac08daa27524005196560de0685e0eff653f2082613a4f61d97701cc70395219cbe298191cf55a28a6389b56c0e68956cd981a08b
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWh7:E6
TLSH
T1A6A3A34B4E71CDDFE814143E9BAAA21C86D3FC541CCCF35A96EED84270C2918C99E967
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/5572-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5572-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000e000000016ce7-7.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2564-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4236-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4236	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4236	microsofthelp.exe
2564	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-1-5-21-2115213192-531537726-3295841909-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-04_5e63e3c154172b2599a74e58051fb333_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-04_5e63e3c154172b2599a74e58051fb333_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	2026-08-04_5e63e3c154172b2599a74e58051fb333_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 5572 wrote to memory of 4236	5572	2026-08-04_5e63e3c154172b2599a74e58051fb333_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-04_5e63e3c154172b2599a74e58051fb333_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-04_5e63e3c154172b2599a74e58051fb333_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:5572
- 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:4236

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2564

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 97KB
SHA256 75bb5782de50fc694be2eb8de8d21df06b054ad592485dfbc9563a7676552b82
MD5 93ccf0a150052ac534f58e6bf726b59e
SHA1 3516800c70808b4bbec1fa88fed94b38802b48e4
SHA512 8368b087337325bf255b50eaa649705d7711f88e3fe132f0c12a9a306836ad61f78c612f03ce992bf1dae270f4c694b167db377adb07a09511ab12e169be1b66
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWh9:E6
TLSH
T14BA3A34B4E71CDDFE814143E9BAAA21C86D3FC541CCCF35A96EED84270C2918C99E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2564-9-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4236-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5572-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5572-6-0x0000000000400000-0x000000000040E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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