blihanstealer | 370b4743c56479de1b1421977c8b83e68758297fbec1c5763f4a5dfe667b9cf6

Analysis

max time kernel
150s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/08/2026, 08:44

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General

Target
2026-08-08_c77fdff8b2f179f006d3e25aa3397bb2_elex_qilin.exe
Size 96KB
Sample260808-knas3stbnb
SHA256 370b4743c56479de1b1421977c8b83e68758297fbec1c5763f4a5dfe667b9cf6
MD5 c77fdff8b2f179f006d3e25aa3397bb2
SHA1 946f9c3b80d8e8b8b849bda7328246855fda0d41
SHA512 a206da142886f75e04ea4420e8daadea3ae9d00898d32019399452836f8a08daae226c2766c8365cfedb9a9fab48032791e5b5d78c76c13fd625d5ed61d9beb5
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhh:E6t
TLSH
T127A3B44B8E71CDDBE810143E97EAA21C86D3FC441CDCF35A96DED84670C291C899E967
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/476-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x00080000000068df-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/476-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4140-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4232-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4232	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4232	microsofthelp.exe
4140	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"	2026-08-08_c77fdff8b2f179f006d3e25aa3397bb2_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-08_c77fdff8b2f179f006d3e25aa3397bb2_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	2026-08-08_c77fdff8b2f179f006d3e25aa3397bb2_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 476 wrote to memory of 4232	476	2026-08-08_c77fdff8b2f179f006d3e25aa3397bb2_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-08_c77fdff8b2f179f006d3e25aa3397bb2_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_c77fdff8b2f179f006d3e25aa3397bb2_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:476
- 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:4232

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4140

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 aff8d4d6847dd02da81f52990dafd648acaeff78047ca97f90a148e4382c1553
MD5 80fe1e0cc3e8bff423586086e88bccff
SHA1 e491e70d3bde7198532cf3fb607d06d0cd4288fb
SHA512 22e1f7c4e930c541b7ad019316c119f900de4cc2a0652530ca6922abd9e1a92ad60303a3d8ba2d95808e553335d0a2076f5c7764f5680db18b238ff5d473b370
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhr:E6t
TLSH
T19EA3B34B8E71CDDBE800143E97EAA21C86D3FC441CDCF35A96EED84670C291C899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/476-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/476-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4140-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4232-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads