blihanstealer | 5b2c4d04ac8e861bbbc31b8692e0f9fcc9418f52926248b4645181f55bdc9058

Analysis

max time kernel
149s
max time network
113s
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, 08:27

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General

Target
2026-08-19_5626e078bbec387640f2a10593d40d77_elex_qilin.exe
Size 86KB
Sample260819-kcsvhsgl4z
SHA256 5b2c4d04ac8e861bbbc31b8692e0f9fcc9418f52926248b4645181f55bdc9058
MD5 5626e078bbec387640f2a10593d40d77
SHA1 624bad81a28f8e24f98ed9de9a92f9a02ae6f429
SHA512 3090b90ea8391fe40931612be0e245050b68d5bedf53d0de983110786b06e81cda2dcb6b53918be43ae437366158bd4b5200d98c24de422d8ab558377584bdf8
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhC:E1oEFlt6vghzwYu7vih9GueIh9j2IoHl
TLSH
T15A83D44B4E71CDDBE810143EA7EAA21C86D3FC5418CCF39A97DED84374C2918899E967
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/5832-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a000000011390-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5832-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4720-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3984-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3984	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3984	microsofthelp.exe
4720	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"	2026-08-19_5626e078bbec387640f2a10593d40d77_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-19_5626e078bbec387640f2a10593d40d77_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_5626e078bbec387640f2a10593d40d77_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 5832 wrote to memory of 3984	5832	2026-08-19_5626e078bbec387640f2a10593d40d77_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-19_5626e078bbec387640f2a10593d40d77_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_5626e078bbec387640f2a10593d40d77_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:5832
- 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:3984

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4720

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 86KB
SHA256 d83b4d383d34679eaa8c45cf1d7d29bf70b376424bcd2ddcd75075a81cbe4017
MD5 0ce5c80b7e4a88f112a1794b5732c4ee
SHA1 1fa5ca99ccb56efc2b8683dd86c9c44ced00899a
SHA512 875e4f30a94409cff49ff831fe95720c5ab21f7968145a062aa063c955cc98798200459d7b857c364282b186892f2af02e086ef4ee187107b98e9cd4632f1124
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhZ:E1oEFlt6vghzwYu7vih9GueIh9j2IoHG
TLSH
T19583C44B4E71CDDBE810143EA7EAA21C86D3FC5418CCF39A97DED84274C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3984-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4720-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5832-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5832-7-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads