blihanstealer | d97c286555dd9fef3a79b85ecc1d033dd78d5d240035c46d3b6a12d6049b22c9

Analysis

max time kernel
149s
max time network
141s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/08/2026, 08:45

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General

Target
2026-08-08_bb13fb35084027c67c46aad8e6855c5d_elex_qilin.exe
Size 92KB
Sample260808-knt7qack8y
SHA256 d97c286555dd9fef3a79b85ecc1d033dd78d5d240035c46d3b6a12d6049b22c9
MD5 bb13fb35084027c67c46aad8e6855c5d
SHA1 99b69269cbb241a9b71563119e5a099944302582
SHA512 25425858084f956f8b6b528e99377aa90c45b675c8582d59cad2cb085e7d29e7599a3dac929e86e27e349bec64b67e4cd293f3d51ff1f070db571955beeba9b7
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hF:E1oEFlt6vghzwYu7vih9GueIh9j2IoHK
TLSH
T10493C34B4E61CDDBD804103BABEAA22C86E3FC452CDCF35557EEC80670C2918C99E997
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/3412-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a000000019cb8-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3412-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2556-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/400-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
400	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
400	microsofthelp.exe
2556	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-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-08_bb13fb35084027c67c46aad8e6855c5d_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-08_bb13fb35084027c67c46aad8e6855c5d_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	2026-08-08_bb13fb35084027c67c46aad8e6855c5d_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 3412 wrote to memory of 400	3412	2026-08-08_bb13fb35084027c67c46aad8e6855c5d_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-08_bb13fb35084027c67c46aad8e6855c5d_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_bb13fb35084027c67c46aad8e6855c5d_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:3412
- 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:400

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2556

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 733c84f239ac30af325f60dbe4a08e69d25002abdaee20cb070ba8335fd99bda
MD5 459914e492bca70c1568d97f9380d890
SHA1 cdd1500827e842f8422908704d1e0a7c9b70b66f
SHA512 ddc8c4e62e6c8a3ed766d5fc362d0785b8b3dd027388143f3ce7a6ace940bb6adf4833d0550ab494408d281699ace09fc520fb7ce833d375e45e44663e14fb25
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hl:E1oEFlt6vghzwYu7vih9GueIh9j2IoHK
TLSH
T1F393C34B4EA1CDDBD804103BABEAA22C86E3FC452DDCF35557EEC80674C2918C99E957
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/400-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2556-9-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3412-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3412-7-0x0000000000400000-0x000000000040E000-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