blihanstealer | cf4fb8d818ac42f0b3fb0283d8b4dbd0ac0d7e53931a70e3a90abe8cb676f77c

Analysis

max time kernel
149s
max time network
145s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/07/2026, 17:15

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General

Target
2026-07-30_9ff2b0bcc4faac6e8c985bb8a66cfdfa_elex_qilin.exe
Size 97KB
Sample260730-vsh1csshra
SHA256 cf4fb8d818ac42f0b3fb0283d8b4dbd0ac0d7e53931a70e3a90abe8cb676f77c
MD5 9ff2b0bcc4faac6e8c985bb8a66cfdfa
SHA1 b7a115459532bf184c287bdc38044eb1960e4699
SHA512 bf689a45dd354de553fa638a38119eb81ecf0b60b1e5497bf780309d53eca704e67c01b7ff926c7eb915b9b9ead88c9aaf836e742ee6af8ce1185a91c17a483d
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWh/:E6
TLSH
T1D0A3B34B4E71CDDFE814143E9BAAA21C86D3FC541CCCF35A96EED84270C2918C99E967
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/1256-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1256-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a000000011390-7.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4976-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4120-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4120	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4120	microsofthelp.exe
4976	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"	2026-07-30_9ff2b0bcc4faac6e8c985bb8a66cfdfa_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-07-30_9ff2b0bcc4faac6e8c985bb8a66cfdfa_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	2026-07-30_9ff2b0bcc4faac6e8c985bb8a66cfdfa_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 1256 wrote to memory of 4120	1256	2026-07-30_9ff2b0bcc4faac6e8c985bb8a66cfdfa_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-30_9ff2b0bcc4faac6e8c985bb8a66cfdfa_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-30_9ff2b0bcc4faac6e8c985bb8a66cfdfa_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:1256
- 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:4120

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4976

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 97KB
SHA256 80407ddbf36ac4bb5b24065b21bdfeff51463394210efc87c472f2ededf923df
MD5 e4dff38d4203221a220fb0dd69601c0f
SHA1 84844eab169ebbf1504df2adcce3cb3af536e6ae
SHA512 cd35cf97896ebbc68533dc1bf89b7dc7d2a45798026ef80c8f6772915dc6578176fb47db865594e066b830bcbb67be0e893ca889c9e4cfa58f4542b0b4359115
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhr:E6
TLSH
T14FA3B34B4E71CDDFE814143E9BAAA21C86D3FC541CCCF35A96EED84270C2918C99E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1256-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1256-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4120-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4976-9-0x0000000000400000-0x000000000040E000-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