blihanstealer | 40f199ddac31ae8cf07ae8247a1c18660bc79703c15a37e00727d83fd4e9095a

Analysis

max time kernel
149s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 12:02

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General

Target
2026-08-02_231523f315a2393fafd3c8fac3b9f5b4_elex_qilin.exe
Size 98KB
Sample260802-n7hvkshf76
SHA256 40f199ddac31ae8cf07ae8247a1c18660bc79703c15a37e00727d83fd4e9095a
MD5 231523f315a2393fafd3c8fac3b9f5b4
SHA1 fef11ba523f52b0da479759e8e4b77100ec0c95c
SHA512 71e55e465bb0f7dc20638d479b1fd751f09736f6dc5bb95687d08d9be693dfcb7d2daf9fab3be3ff41103a89e7e3444b064d4e5413cc2fe754ed2549751f1134
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDc:Eo
TLSH
T1ECA3C24B4E65CEDFD804103B9BEAA21C86E3FC452DDCF35957EEC80660C2918C99E997
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/5164-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000b000000016cdf-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5164-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4176-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2352-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
2352	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
2352	microsofthelp.exe
4176	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-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-02_231523f315a2393fafd3c8fac3b9f5b4_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-02_231523f315a2393fafd3c8fac3b9f5b4_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	2026-08-02_231523f315a2393fafd3c8fac3b9f5b4_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 5164 wrote to memory of 2352	5164	2026-08-02_231523f315a2393fafd3c8fac3b9f5b4_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_231523f315a2393fafd3c8fac3b9f5b4_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_231523f315a2393fafd3c8fac3b9f5b4_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:5164
- 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:2352

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4176

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 87d45643df0737faecac6d7b91892f1769074f984123f8765efb4f70c9b8b934
MD5 0759e0d824137b6bb5a497754c4f7409
SHA1 c78f1fbfe08825fc7b0c209034b0adede1fb4254
SHA512 f7c22520102e46725e756ee415f4884d2fd716d86fc0c1a1d933f981fd1f0310b2a8efe21c7e4f90f44afeded44f00214a825d50a47abeb4be7d07b6003c6263
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDI:Eo
TLSH
T117A3C24B4E65CEDFD804103B9BEAA21C86E3FC452DDCF35957EEC80660C2918C99E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2352-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4176-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5164-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5164-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads