blihanstealer | 38a08bd540057306132189b20f05b10629a19c03dac91419d4a5aa810566c581

Analysis

max time kernel
150s
max time network
136s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
19/08/2026, 11:10

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General

Target
2026-08-19_96b72511876e6db27686090b06cbdadd_elex_qilin.exe
Size 95KB
Sample260819-m96trasera
SHA256 38a08bd540057306132189b20f05b10629a19c03dac91419d4a5aa810566c581
MD5 96b72511876e6db27686090b06cbdadd
SHA1 3ac59d117451d8545bf8b2a158ff4639f8865712
SHA512 866487617c9a65a92591f260a2cd42d8cfdecd944cbf85eeb5ce6220a5c6a960db0302443edf2c98784572bfd8e89b53bdb318f597d8b0c3ff867db41b4a8ff0
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hX:E1oEFlt6vghzwYu7vih9GueIh9j2IoHc
TLSH
T129A3B24B4EA5CDDBD804103B9BEAA21C86E3FC452DDCF35957EEC80670C2918C99E997
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/4140-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000f000000019c8f-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4140-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1144-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5476-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5476	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5476	microsofthelp.exe
1144	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-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-19_96b72511876e6db27686090b06cbdadd_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-19_96b72511876e6db27686090b06cbdadd_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	2026-08-19_96b72511876e6db27686090b06cbdadd_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 4140 wrote to memory of 5476	4140	2026-08-19_96b72511876e6db27686090b06cbdadd_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-19_96b72511876e6db27686090b06cbdadd_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_96b72511876e6db27686090b06cbdadd_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:4140
- 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:5476

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1144

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 96KB
SHA256 d0297a29e97972077148cb17431ac4cd285fb0cea0bf031aa67e92bf4c62986b
MD5 c15277dad20e4f6e97a398342ef920be
SHA1 d2a362879522262c75030d254f3536d0f2adb3a5
SHA512 a9b7b6def024e0ac8500f61d9bb9689d1a64b27ae05da1c14d3ae69d8d801f94a939af680bbda32544c0ac48599603a77831cf9a268f5fccaf9deb270613ae2e
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDl:Eo
TLSH
T112A3B24B4EA1CDDBD804103B9BEAA21C86E3FC452DCCF35957EEC80670C2918C99E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1144-9-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4140-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4140-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5476-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads