blihanstealer | 573a757970291699dd705cf1cde487f6f07b1ad32aaf8c3393a5f5c3b69b3357

Analysis

max time kernel
150s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
07/08/2026, 01:53

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General

Target
2026-08-07_3a65ca942daa72ca7040586153a2867c_elex_qilin.exe
Size 96KB
Sample260807-cbf6bsywfx
SHA256 573a757970291699dd705cf1cde487f6f07b1ad32aaf8c3393a5f5c3b69b3357
MD5 3a65ca942daa72ca7040586153a2867c
SHA1 551e37e1f2dda7d34cbcef15d352dd70a5232d28
SHA512 f659dc395dec17ab87eaf6a17ac0aa25c4aad8bff132119cb63ac2b2ed3565f6a4bb71210a9b28fce7dbeddd816d410af951d049471cef6b6d8ee36c41561476
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhK:E6t
TLSH
T16FA3B44B4E71CDDBE810143E9BEAA21C86D3FC541CCCF35A96DED84670C2918C99E9A7
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/4876-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x001300000001b1d0-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4876-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3380-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3640-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3640	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3640	microsofthelp.exe
3380	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"	2026-08-07_3a65ca942daa72ca7040586153a2867c_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	2026-08-07_3a65ca942daa72ca7040586153a2867c_elex_qilin.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	2026-08-07_3a65ca942daa72ca7040586153a2867c_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 4876 wrote to memory of 3640	4876	2026-08-07_3a65ca942daa72ca7040586153a2867c_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-07_3a65ca942daa72ca7040586153a2867c_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-07_3a65ca942daa72ca7040586153a2867c_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:4876
- 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:3640

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3380

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 3d02a8898a5b549bff4015fe9a93bfd433b202a439eec1f6a907d6e92ff2aa9a
MD5 031d795cd9eb1b1c41939857302886e9
SHA1 5a98409658ef3405c90e83a2d7e7a85f4d027f93
SHA512 2da5c1d026fc73be959f0c2b38acfdfe3b991f663fa79485bfecb0f4da8f7e5a3bdae8d9c55cf52a7380bb8ca2b6b1fb241c9cb13ded1d0441e048d957b3a2be
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhV:E6t
TLSH
T1C6A3B44B4E71CDDBE810143E97EAA21C86D3FC541CCCF35A96DED84670C2918C99E9A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3380-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3640-11-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4876-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4876-6-0x0000000000400000-0x000000000040E000-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