blihanstealer | bbca4084acb963687a57399aa08b2671da0da38753ea4960c84837214e3f1c1a

Analysis

max time kernel
149s
max time network
145s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/11/2026, 22:12

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General

Target
2026-10-31_9f2274b0eb0f93af2a66b973b54c8ca3_elex_qilin.exe
Size 96KB
Sample261101-14yg3sdw21
SHA256 bbca4084acb963687a57399aa08b2671da0da38753ea4960c84837214e3f1c1a
MD5 9f2274b0eb0f93af2a66b973b54c8ca3
SHA1 bcdaf346e892c95553c32276133f0a20523aeb70
SHA512 9af9f6a5c21f82cd55e6c24222019b41e0db9e7651a89060ffc2c06675d0ead2f2b40bae2c2955d073695dae0969abd8bea3c37a00c5d89d839c757f1c0984e0
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhL:E6
TLSH
T1B2A3B34B8E71CDDBE800143EA7AAA21C86D3FC541CDCF35697EEC84670C291C899E967
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/868-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000b00000001b2c5-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/868-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3788-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2912-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
2912	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
2912	microsofthelp.exe
3788	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-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-31_9f2274b0eb0f93af2a66b973b54c8ca3_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-10-31_9f2274b0eb0f93af2a66b973b54c8ca3_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	2026-10-31_9f2274b0eb0f93af2a66b973b54c8ca3_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 868 wrote to memory of 2912	868	2026-10-31_9f2274b0eb0f93af2a66b973b54c8ca3_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-31_9f2274b0eb0f93af2a66b973b54c8ca3_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-31_9f2274b0eb0f93af2a66b973b54c8ca3_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:868
- 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:2912

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3788

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 96KB
SHA256 62a8803eeb0db35de397f853592fa29b122292f6a001766a4121193e8ee5f092
MD5 2d0eaa8657bac8789180b5ac3bd1a4ff
SHA1 08e30e3366e299bae84a6f95a4e7ce22e7bc0079
SHA512 30b1e3e2f86d5f90f91879f5bfacbd4f811f1440da321c17a5e04340f4f976b1142671de3f27d92133099df7929b41acac408f12c2fa3589297790bc245bfbe2
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhV:E6
TLSH
T1D1A3B34B8EB1CDDBE800143E97AAA21C86D3FC541CDCF35697EEC84670C291C899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/868-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/868-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2912-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3788-9-0x0000000000400000-0x000000000040E000-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