blihanstealer | 4bee3a649f7d139b94a158950bdd3a2aaadc73d397db167c1dd775162863d866

Analysis

max time kernel
149s
max time network
140s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/08/2026, 04:27

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General

Target
2026-08-27_ddfde0cb9f64797671ff9ebccf18dbda_elex_qilin.exe
Size 84KB
Sample260828-e28dlssycy
SHA256 4bee3a649f7d139b94a158950bdd3a2aaadc73d397db167c1dd775162863d866
MD5 ddfde0cb9f64797671ff9ebccf18dbda
SHA1 886f6a73f63d6f009904672a92ef92a7e6c80de1
SHA512 02a5322c5dfd309bcf607a10ae22cad10f4d2505331dd73b5845027bb63feb61217e2b4822b45878ff44c820233b1e47f03e1fd57190c8fd3d6f521cf3759389
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h+:E1oEFlt6vghzwYu7vih9GueIh9j2IoHJ
TLSH
T19C83D54B4EA5CDDBD804103BABEAA22C86E3FC451CCCF35557EEC80674C2918C99E997
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/4884-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000800000001b871-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4884-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5380-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5272-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5272	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5272	microsofthelp.exe
5380	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"	2026-08-27_ddfde0cb9f64797671ff9ebccf18dbda_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-27_ddfde0cb9f64797671ff9ebccf18dbda_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	2026-08-27_ddfde0cb9f64797671ff9ebccf18dbda_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 4884 wrote to memory of 5272	4884	2026-08-27_ddfde0cb9f64797671ff9ebccf18dbda_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-27_ddfde0cb9f64797671ff9ebccf18dbda_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-27_ddfde0cb9f64797671ff9ebccf18dbda_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:4884
- 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:5272

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5380

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 85KB
SHA256 ec81b8c13fd7b229d0a358ce8155d7b2f06f12059735a790a16a06ce397a1d76
MD5 5286d6cfa2a1a5fe4a3b622739ef3bd2
SHA1 cadefdfe898daa52b79751d66461d467e6aeeb30
SHA512 bcd9da3d1410e352d63f1e2f645206e2d667dae4fe90b8ba65917d1136084deda943b29c4e100ca924be2edaea9438d70a55abe31147061a8d20e104d2e1659f
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hH:E1oEFlt6vghzwYu7vih9GueIh9j2IoHg
TLSH
T1DC83D44B4EA5CDDBD804103BABEAA22C86E3FC451DCCF35557EEC80674C2918C99E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4884-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4884-7-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5272-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5380-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads