blihanstealer | 236a6aa958bbc8274cf5ab233bf69286f3ac96839b92b42e18baddfc23e3574d

Analysis

max time kernel
150s
max time network
131s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/09/2026, 10:21

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General

Target
2026-09-10_cfb261c0a739ee294dcc568849356131_elex_qilin.exe
Size 98KB
Sample260910-mdme8svvb1
SHA256 236a6aa958bbc8274cf5ab233bf69286f3ac96839b92b42e18baddfc23e3574d
MD5 cfb261c0a739ee294dcc568849356131
SHA1 16ab546a732552b23c3888158c74de0c5ebc29a3
SHA512 a8c4053df3936a0c61084b9be9038bf139a3b2fbbf390beacb63bff10c4af557f1d820f4322e4015ce227cf3a99b2c863ebbaac71f0a8d25e86e0c8f9cd45901
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhK:E6
TLSH
T187A3A34B4E71CDDFE814143E9BAAA21C86D3FC541CCCF35A96EED84270C2918C99E967
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/4376-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a000000019cb5-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4376-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4980-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3732-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3732	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3732	microsofthelp.exe
4980	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"	2026-09-10_cfb261c0a739ee294dcc568849356131_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-09-10_cfb261c0a739ee294dcc568849356131_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	2026-09-10_cfb261c0a739ee294dcc568849356131_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 4376 wrote to memory of 3732	4376	2026-09-10_cfb261c0a739ee294dcc568849356131_elex_qilin.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-09-10_cfb261c0a739ee294dcc568849356131_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-10_cfb261c0a739ee294dcc568849356131_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:4376
- 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:3732

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4980

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 98KB
SHA256 4439ae5e6d8294ae974218a1d975f2d3dc77eb66d7f2e632e0ab3a5bcc423109
MD5 8932b89db955ad374acbff1a8eb567d5
SHA1 d700e361342a9e73af6474b4b661aca4e14e1f98
SHA512 538942059b138e2c3b6e7c0caa38202cdb248509303921478bd1a8792fe0a016dd232f3a16e5d5b564f3c7df4b93e7d0ba4830ec2e81d747400e0d29c76a74a7
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhT:E6
TLSH
T13EA3A34B4E71CDDBE814143E9BAAA21C86D3FC541CCCF35A96EED84270C291CC99E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3732-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4376-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4376-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4980-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads