blihanstealer | d85b24016e4aac1f4cb855deb35b3c661dc517699332c02b09af12c3df10446b

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
04/08/2026, 15:22

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General

Target
2026-08-04_734857bb3c13b91a9b7759d629b36d06_elex_qilin.exe
Size 96KB
Sample260804-srycjscg95
SHA256 d85b24016e4aac1f4cb855deb35b3c661dc517699332c02b09af12c3df10446b
MD5 734857bb3c13b91a9b7759d629b36d06
SHA1 1057f1ff5d88e5596132bfc3943a921d29aef676
SHA512 055f0b0f01f37f5b4c716e7eeb86ae32c6c282b0acb3745e3f28746d20b3d96d518f2d7075bc5fa4dbc6caf7fe0915f5ad90971f3046c8228e2fc35ef83b8db0
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhT:E6
TLSH
T1C4A3B34B4E71CDDBE800143EABAAA11C86D3FC545CCCF35A97EEC84670C2918C99E967
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/3516-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3516-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000800000001b871-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2516-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4764-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4764	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4764	microsofthelp.exe
2516	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-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-04_734857bb3c13b91a9b7759d629b36d06_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-04_734857bb3c13b91a9b7759d629b36d06_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	2026-08-04_734857bb3c13b91a9b7759d629b36d06_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 3516 wrote to memory of 4764	3516	2026-08-04_734857bb3c13b91a9b7759d629b36d06_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-04_734857bb3c13b91a9b7759d629b36d06_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-04_734857bb3c13b91a9b7759d629b36d06_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:3516
- 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:4764

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2516

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 455a22a995983fae59d3e5e345e7e40bb753c5d11c7c020c43638d003a7efe3e
MD5 12181f1c3ed5c14e9c319ce82c0af727
SHA1 c3409ce6af69d87f7a4818cf3252310004c62f99
SHA512 e478b0f91ca43a8be1ae36bba0cfc19a97b2d00eeaf8c598ac625e8db4406bc6e18a4d77ff91fd722b7a7e50629e92663b2c7e73d81e82102d85cb6dd28505f1
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhx:E6
TLSH
T1B0A3B34B4E71CDDBE800143EABAAA11C86D3FC545CCCF35A97EED84670C2918C99E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2516-9-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3516-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3516-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4764-10-0x0000000000400000-0x000000000040E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads