blihanstealer | 4d946cb3ba2a99c78905869bd72c99ecff4d5722f6b635019dd06305034cc915

Analysis

max time kernel
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
07/10/2026, 17:32

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General

Target
2026-10-06_f11bcb35a5dee2f73ecd7ebcec0d3df6_elex_qilin.exe
Size 93KB
Sample261007-v4egbasvcx
SHA256 4d946cb3ba2a99c78905869bd72c99ecff4d5722f6b635019dd06305034cc915
MD5 f11bcb35a5dee2f73ecd7ebcec0d3df6
SHA1 d2d4447f09084f4d7a811202af4189986f39dea0
SHA512 352eedbdd06c48999b12b3d44c465f72a2591fbf17135a6c4c9e4dffe976f1f978f1bfab6867de8350cc5536e49dbb255846a028e4dfcd56360185a577e181bc
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhq:E1oEFlt6vghzwYu7vih9GueIh9j2IoHt
TLSH
T11B93C34B4E71CDDBE800143EA7AAA21C86D3FC541CDCF35A97EED84670C291C899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion 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/2516-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000600000001b85c-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2516-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5992-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3756-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
3756	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3756	microsofthelp.exe
5992	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-1-5-21-1262770251-41185387-1005173349-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-06_f11bcb35a5dee2f73ecd7ebcec0d3df6_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-10-06_f11bcb35a5dee2f73ecd7ebcec0d3df6_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	2026-10-06_f11bcb35a5dee2f73ecd7ebcec0d3df6_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 2516 wrote to memory of 3756	2516	2026-10-06_f11bcb35a5dee2f73ecd7ebcec0d3df6_elex_qilin.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-10-06_f11bcb35a5dee2f73ecd7ebcec0d3df6_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-06_f11bcb35a5dee2f73ecd7ebcec0d3df6_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:2516
- 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:3756

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5992

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

Indicator Removal

T1070

File Deletion

T1070.004

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 94KB
SHA256 915deb023b0b7ff165f743207eb23046c7cf31100a40f7815a0df7a1842ebf45
MD5 85f27e27a9c7f1715fef55af8de35e8c
SHA1 ea01f097d021de85f58505eca63cba7ee4812767
SHA512 8c8c939148d38f3874f9459ec0136e691ae4b2f3489158066d493e338f9ca8ba9307743e1732019d47b01cab305d7650d249f2c964d44bc547da714f1efef5be
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhu:E1oEFlt6vghzwYu7vih9GueIh9j2IoHZ
TLSH
T16893C34B4E71CDDBE800143EA7AAA21C86D3FC541CDCF35A97EED84670C291C899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2516-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2516-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3756-11-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5992-10-0x0000000000400000-0x000000000040E000-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