blihanstealer | b8ff6d7a3d6a133020028850a7ee6bddb2f3d53f7719e78c9a48209dcbd19d72

Analysis

max time kernel
150s
max time network
138s
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, 11:07

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General

Target
2026-08-19_a319962b0c32681f12448b596b88c460_elex_qilin.exe
Size 96KB
Sample260819-m7zyessemd
SHA256 b8ff6d7a3d6a133020028850a7ee6bddb2f3d53f7719e78c9a48209dcbd19d72
MD5 a319962b0c32681f12448b596b88c460
SHA1 ffd33d18e1cf832bfa946d086c0f59a8d339989c
SHA512 9708e6068de6e459cc091ce2d04ed1c41ce5747d01f272c71d7a1fc7cd81d8813c206c694faefbdc4d5a5e42bdf200c5b1a1b9593970134fc2a38b70b5d794d6
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhR:E6
TLSH
T16DA3B34B8E71CDDBE804143EABEAA21C86D3FC541CDCF35697DEC84670C2918899E967
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/3432-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000900000001b1c8-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3432-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5016-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4680-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4680	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4680	microsofthelp.exe
5016	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"	2026-08-19_a319962b0c32681f12448b596b88c460_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-19_a319962b0c32681f12448b596b88c460_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_a319962b0c32681f12448b596b88c460_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 3432 wrote to memory of 4680	3432	2026-08-19_a319962b0c32681f12448b596b88c460_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-19_a319962b0c32681f12448b596b88c460_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_a319962b0c32681f12448b596b88c460_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:3432
- 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:4680

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5016

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 2d3a803cd37967e29de43e697f0ff457e3b125dbd50f1614da73791800fc2b00
MD5 485110673740f3e73d6501dd108958b3
SHA1 ec63e193a276a1f756b108eb7d0061305132ee26
SHA512 dc192867630ce50d68fc1a4a8d6ceab4846074765ac7a80641b62bc6a490be5726d407bc760130ff76019c3e0d5417fa17e7374ed269120ba758def498f3d55a
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWha:E6
TLSH
T108A3B34B8E71CDDBE804143EABEAA21C86D3FC541CDCF35697DEC84670C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3432-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3432-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4680-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5016-9-0x0000000000400000-0x000000000040E000-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