blihanstealer | edf746075c54923a7b4e960fa914c1392550840f945cd58bc50d7de918fd8ed6

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/08/2026, 09:56

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General

Target
2026-08-05_aa94f34cb3160ee0f0fad78628028a3e_elex_qilin.exe
Size 96KB
Sample260805-lydhdsvbqd
SHA256 edf746075c54923a7b4e960fa914c1392550840f945cd58bc50d7de918fd8ed6
MD5 aa94f34cb3160ee0f0fad78628028a3e
SHA1 164746006a2593ac7840d0b1a69ed38d3bb74f71
SHA512 0b8b1a440b7d0f7b5bdd528ecbe5c93b02a39dc667c1c4268dc1e70c9e6bbce34d7cda7639fe0e5d3529e96e20b21f8a51a9c2a59822820389f108452f33c355
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWha:E6t
TLSH
T178A3B34B4F71CDDBE810143E97AAA21C86D3FC541CCCF35A96EED84670C291C899E9A7
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/1448-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000c00000001b85a-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1448-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3884-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4492-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4492	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4492	microsofthelp.exe
3884	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-1-5-21-3611646547-550105268-947503007-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-05_aa94f34cb3160ee0f0fad78628028a3e_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-05_aa94f34cb3160ee0f0fad78628028a3e_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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-05_aa94f34cb3160ee0f0fad78628028a3e_elex_qilin.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 4492	1448	2026-08-05_aa94f34cb3160ee0f0fad78628028a3e_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-05_aa94f34cb3160ee0f0fad78628028a3e_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-05_aa94f34cb3160ee0f0fad78628028a3e_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:1448
- 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:4492

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3884

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 2e90c6c9f61cfb6114a0372c699d11150b35cf511054bec769f9ceb7f2890e0e
MD5 2e4174419fcd9886e3a69bccd6bed9ca
SHA1 7fd15005d5a00ee12f20a6cf6f506c7c79ad5818
SHA512 c122c2263ae3788b7ed5c970afe1d92be66a7506f688a21af717a0ed8518ee48879c06e0328bee87c6f103fec1f1387314775f32b31ffe5f0a67ea6367578bc1
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhW:E6t
TLSH
T185A3B34B4F71CDDBE810143E97AAA21C86D3FC541CCCF35A96EED84670C291C899E9A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1448-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/1448-7-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3884-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4492-11-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads