blihanstealer | 7b4c1f8d4f0f452f1404b8f1365f2b10d4db3b0011fd5dce0076535b5536b454

Analysis

max time kernel
150s
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
04/08/2026, 04:59

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General

Target
2026-08-04_ec6e0ab16c62d3c99b7fa4aec13eab70_elex_qilin.exe
Size 96KB
Sample260804-fmqexsdc68
SHA256 7b4c1f8d4f0f452f1404b8f1365f2b10d4db3b0011fd5dce0076535b5536b454
MD5 ec6e0ab16c62d3c99b7fa4aec13eab70
SHA1 7a9a5468508cc01d6e34f028b37630f501ccf72f
SHA512 9ee1b92b4f2f4f83aefdc9659b8227b9035d538667cd5278b821316dcb1cb9a1da5d3bf46e9d273aff0c24dfb4b11b9f727285473e8784c6c3f3cb19fffd3b79
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWh1:E6
TLSH
T120A3A34B4E71CDDBE800143EABAAA11C86D3FC541CDCF35A97EED84670C2918C99E967
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/1968-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a00000001136f-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1968-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4952-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5420-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5420	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5420	microsofthelp.exe
4952	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-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-04_ec6e0ab16c62d3c99b7fa4aec13eab70_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-04_ec6e0ab16c62d3c99b7fa4aec13eab70_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_ec6e0ab16c62d3c99b7fa4aec13eab70_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 1968 wrote to memory of 5420	1968	2026-08-04_ec6e0ab16c62d3c99b7fa4aec13eab70_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-04_ec6e0ab16c62d3c99b7fa4aec13eab70_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-04_ec6e0ab16c62d3c99b7fa4aec13eab70_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:1968
- 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:5420

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4952

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 21e74b7243d6b1c21d129c4118f59c850779806388a611741945f2a69d5802b9
MD5 9f4853790aa4451f4448a7d32c65de6c
SHA1 f6769856782cf331fcc10ee5d5acd844ff49df21
SHA512 646916d1068def19369ffabddf4bd22942fefdd43a3873292392760e991b184ddcb9bb3434624cb1a1f555a533fe7bb1deaadbe909cb888c5004263e837666ac
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhe:E6
TLSH
T181A3A34B4E71CDDBE800143EABAAA11C86D3FC541CDCF35A97EED84670C2918C99E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1968-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1968-7-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4952-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5420-10-0x0000000000400000-0x000000000040E000-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