blihanstealer | 75680321926f0444a375c3cd0ffd257f323a2e8beca47e0f2ed743ac649c66c9

Analysis

max time kernel
149s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
27/07/2026, 22:43

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General

Target
2026-07-27_d4bfa72e36fd7be50dd533f836d6754f_elex_qilin.exe
Size 91KB
Sample260727-2nbh2stthx
SHA256 75680321926f0444a375c3cd0ffd257f323a2e8beca47e0f2ed743ac649c66c9
MD5 d4bfa72e36fd7be50dd533f836d6754f
SHA1 f29a30dc07ca9a2934bd745b0ae02bc33a27c62c
SHA512 bd6d38e52cda352f1762cd1a447b10e0d23d2ffa21b354c9a38b354fe3be14c323cc440229b84f7ae993b687774a926c41ee92b7b8329e351758838854c93650
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhy:E1oEFlt6vghzwYu7vih9GueIh9j2IoHV
TLSH
T11693C34B8F71CDDBE800143E97EAA21C86D3FC541CDCF35A96DED84670C2918899E967
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/1496-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a000000019cc9-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1496-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4664-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3284-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3284	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3284	microsofthelp.exe
4664	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"	2026-07-27_d4bfa72e36fd7be50dd533f836d6754f_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-07-27_d4bfa72e36fd7be50dd533f836d6754f_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	2026-07-27_d4bfa72e36fd7be50dd533f836d6754f_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 1496 wrote to memory of 3284	1496	2026-07-27_d4bfa72e36fd7be50dd533f836d6754f_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-27_d4bfa72e36fd7be50dd533f836d6754f_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-27_d4bfa72e36fd7be50dd533f836d6754f_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:1496
- 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:3284

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4664

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 92KB
SHA256 dabe4b53e9e669bd83cf993730f16a9fbd156498eb9fa7248dfce732e09d2071
MD5 cea0b11110258d15ed587371767fb8ac
SHA1 ca631afc3bf0cbc7d5b4b3347f854dd80a95baae
SHA512 7ab28301a14e746b79d3f4170d617eaefb86318b6f18df20522fa16eb65e52ef36cb3d8a7260210da1b18525d14e4e985976cad97c9ee1cebd2a7b8f79ee6ff1
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhT:E1oEFlt6vghzwYu7vih9GueIh9j2IoH4
TLSH
T14793C34B4E718DDBE800143E97EAA21C86D3FC441CDCF35A96DED84670C291C899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1496-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1496-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3284-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4664-9-0x0000000000400000-0x000000000040E000-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