blihanstealer | 09336aa5a155d9d20c1e6a0dd66967663595ee416377f130024315b984fcf248

Analysis

max time kernel
150s
max time network
144s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/09/2026, 16:10

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General

Target
2026-09-24_00f292496b24610be3dc476180bfcf21_elex_qilin.exe
Size 96KB
Sample260925-tmp12s118r
SHA256 09336aa5a155d9d20c1e6a0dd66967663595ee416377f130024315b984fcf248
MD5 00f292496b24610be3dc476180bfcf21
SHA1 2a9bddab15543f0e9040d795d806fa2390cd044d
SHA512 05740956a7420e7f22a5f9fb4347266060eb4e6bb9815d3234c147eababaf39de855b6ffabaff5f5bb86be6ea17529370986bb5afed35e26456528f017e4c806
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDU:Eo
TLSH
T1D6A3C34B4E65CEDBD804103B9BEAA21C86E3FC452DDCF35A57EEC80670C2908C99E957
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

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral2/memory/5192-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000600000001b846-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5192-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5440-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4388-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
4388	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4388	microsofthelp.exe
5440	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-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-09-24_00f292496b24610be3dc476180bfcf21_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-09-24_00f292496b24610be3dc476180bfcf21_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	2026-09-24_00f292496b24610be3dc476180bfcf21_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 5192 wrote to memory of 4388	5192	2026-09-24_00f292496b24610be3dc476180bfcf21_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-09-24_00f292496b24610be3dc476180bfcf21_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-24_00f292496b24610be3dc476180bfcf21_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:5192
- 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:4388

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5440

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 96KB
SHA256 a72887f0b3a50040a3e8d4573cd5b4df909fdd60e538ba2e706684693850ce4b
MD5 6b1f2402abe61683495a90227949bbd9
SHA1 00e5569c72ce84a301ba23a179b22270b7310b82
SHA512 1c048db57e54b4be3a408f60261139254c812554512a3d8bcb493389849e99d80c158ad765a2e9801a596d5da9feb9dcfbdd33362b636a30b642b1c2e81ffe62
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDN:Eo
TLSH
T17BA3C34B4E65CEDBD804103B9BEAA25C86E3FC452DDCF35957EEC80670C2908C99EA57
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4388-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5192-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5192-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5440-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads