blihanstealer | 66507950a5d4de365928a294c423ca9906fbe76f248caf982631b7e22012164e

Analysis

max time kernel
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
17/10/2026, 16:09

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General

Target
2026-10-16_61c6a77f03e193116d79c388bc9b3dc0_elex_qilin.exe
Size 97KB
Sample261017-tlylsshx4j
SHA256 66507950a5d4de365928a294c423ca9906fbe76f248caf982631b7e22012164e
MD5 61c6a77f03e193116d79c388bc9b3dc0
SHA1 64e4e4d2e1ddb84b191613f05de8f3f7e9195e0f
SHA512 d92ec4b1caddf3e03069404cb419118b1731b04df459b19ad48d3aa54f7d022bce0081f1c45692b04536e3ef71fb064edba09b794aa1e74c0205d1d0ac33583b
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhg:E6t
TLSH
T1C5A3B34B4F71CDDBE800143E97AAA21C86D3FC541CDCF35A96EED84670C291C899E9A7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion 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/4692-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000600000001b859-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4692-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2584-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4944-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
4944	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4944	microsofthelp.exe
2584	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-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-16_61c6a77f03e193116d79c388bc9b3dc0_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-10-16_61c6a77f03e193116d79c388bc9b3dc0_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	2026-10-16_61c6a77f03e193116d79c388bc9b3dc0_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 4692 wrote to memory of 4944	4692	2026-10-16_61c6a77f03e193116d79c388bc9b3dc0_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-16_61c6a77f03e193116d79c388bc9b3dc0_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-16_61c6a77f03e193116d79c388bc9b3dc0_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:4692
- 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:4944

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2584

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

Indicator Removal

T1070

File Deletion

T1070.004

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 97KB
SHA256 9a039cfeb68faa0831c5190caee934136ed6353b83cdf3beaf8f0916c55edb61
MD5 2dccf6fb7d286468f719882c5fea76fa
SHA1 c1f96ed938c20a6f3a0ebbec3de8a4c3ee4f571d
SHA512 b942a8912c738254c2825a58b1603b96e5330ba5dc620a65f742b6b68848dc3a28c21a53598d8d8dc9e18144d91a67dda82961197d4b7e75866c7604c52c4ea5
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhu:E6t
TLSH
T10FA3B34B4F71CDDBE800143E97AAA21C86D3FC541CDCF35A96EED84670C291C899E9A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2584-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4692-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4692-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4944-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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