blihanstealer | b3e50e99e6839e38ed7044bb13580b2fa256d6c370fef697468adcdb50746d35

Analysis

max time kernel
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260618-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/06/2026, 18:53

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General

Target
2026-06-28_d220d48c647bb0efcf58db427dd0f6ca_elex_qilin.exe
Size 97KB
Sample260628-xjsvbacw3r
SHA256 b3e50e99e6839e38ed7044bb13580b2fa256d6c370fef697468adcdb50746d35
MD5 d220d48c647bb0efcf58db427dd0f6ca
SHA1 00967d9e2760d1faa8ce1df6260421d96a52526f
SHA512 7eb1c5580dc63d6aa1e0155be8a97b6d316f7a73045b6ce091b06c46cbc664a153ed8208cbb6830de0b4519e899cab83d5c0b8ff8cc1525fa2eab5dea4f34075
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDV:Eo
TLSH
T1C0A3B24B4E61CEDBD804103A9BEAB21C86D3FC452DDCF35957EEC80674C2918C99E997
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/6076-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0006000000016b4a-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/6076-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5032-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2864-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
2864	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
2864	microsofthelp.exe
5032	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-1-5-21-537605601-1362463912-856654178-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-06-28_d220d48c647bb0efcf58db427dd0f6ca_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-06-28_d220d48c647bb0efcf58db427dd0f6ca_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	2026-06-28_d220d48c647bb0efcf58db427dd0f6ca_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 6076 wrote to memory of 2864	6076	2026-06-28_d220d48c647bb0efcf58db427dd0f6ca_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-06-28_d220d48c647bb0efcf58db427dd0f6ca_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-28_d220d48c647bb0efcf58db427dd0f6ca_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:6076
- 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:2864

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5032

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 fb6965bdcbac05d1b67885d589e76fecb05a00a84c9770d4905fb7c0f2271822
MD5 c2a679899e72cee9cd82e278be2effb8
SHA1 a966b03d3af7d0e19a6dd8c9f27bd93e459720d7
SHA512 27cb9f432e2bb4b877dc8e5eefe66afde2bc9d3c78fb5b733a28812daa21c58e16148f53fedb6e3eec1268632bd95f0505a0a56e47605147ead2214659bfbe65
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDk:Eo
TLSH
T109A3B24B4E61CEDBD804103A9BEAB21C86E3FC452DDCF35957EEC80674C2918C99E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2864-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5032-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/6076-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/6076-7-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads