blihanstealer | 9937be8b37844d26512e3cbe07142f716f2366f92b8aed2bf7040294524f52a5

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
02/08/2026, 21:46

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General

Target
2026-08-02_584d57ed56d2674e613575bc8902efa9_elex_qilin.exe
Size 91KB
Sample260802-1mtgsssemc
SHA256 9937be8b37844d26512e3cbe07142f716f2366f92b8aed2bf7040294524f52a5
MD5 584d57ed56d2674e613575bc8902efa9
SHA1 fd83940932e1b7552abecfa8d114e829b64dbed1
SHA512 9e6ae3232622909c613ad1d78b7bcc60403b50d718f59906bde1f3c3d1a9aabb11207a9a88a46e79b8bf92a791f66203a53ea038fbf59adb54b232280ee51817
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hc:E1oEFlt6vghzwYu7vih9GueIh9j2IoHP
TLSH
T15193D34B4E61CDDBD804103BABEAA22C86E3FC455CDCF35657EEC80674C2918C99E997
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/3788-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000700000001b83c-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3788-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5348-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3060-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3060	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3060	microsofthelp.exe
5348	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-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-02_584d57ed56d2674e613575bc8902efa9_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-02_584d57ed56d2674e613575bc8902efa9_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	2026-08-02_584d57ed56d2674e613575bc8902efa9_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 3788 wrote to memory of 3060	3788	2026-08-02_584d57ed56d2674e613575bc8902efa9_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_584d57ed56d2674e613575bc8902efa9_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_584d57ed56d2674e613575bc8902efa9_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:3788
- 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:3060

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5348

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 91KB
SHA256 c7a762e7e4f647be6de42527bd8ff312bab936007318f473609423a252a17934
MD5 6a663979bce19e30a1e6c30c6b6bf0d3
SHA1 65b445ed66a0421779ff07282dca96c8a16a9474
SHA512 eed0dc78e14c5ffad5546499832d513ab9bc6a09792123fe4510ef15f6c9b25d1138cd1df4cdaca274188fac7dc133d0aaefcb884e9da00452cbad8fbfc32bf9
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hq:E1oEFlt6vghzwYu7vih9GueIh9j2IoHl
TLSH
T1E993D34B4E61CDDBD804103BABEAA22C86E3FC455CDCF35557EEC80674C2918C99E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3060-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3788-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3788-7-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5348-9-0x0000000000400000-0x000000000040E000-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