blihanstealer | 13a2bbe9593febe8234d07f53363f3679d57231840742d55c539a5d525d27a24

Analysis

max time kernel
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
02/06/2026, 08:32

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General

Target
2026-06-02_cc59bac3add848edb4f6a5b2f0f2abf0_elex_qilin.exe
Size 96KB
Sample260602-kfcbyaat2k
SHA256 13a2bbe9593febe8234d07f53363f3679d57231840742d55c539a5d525d27a24
MD5 cc59bac3add848edb4f6a5b2f0f2abf0
SHA1 0de13ec7ef1fc79be5baae20f88270a170554476
SHA512 08b0a876c1260c6040ad9bde71498240040e6358d7b549ef09da35bb8e8e7a60f0ebb2a21c29e5dd6fcf1d8a209801977fc10eda988bbe470dc485ea35cf3afd
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhD7:E
TLSH
T1ABA3C34B4E66CDDBD804103B9BEAA21C82E3FC451CDCF35957EEC80674C2918C99E997
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/5184-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x002c00000002b2a4-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5184-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2988-8-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2636-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
2636	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
2636	microsofthelp.exe
2988	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-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-06-02_cc59bac3add848edb4f6a5b2f0f2abf0_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-06-02_cc59bac3add848edb4f6a5b2f0f2abf0_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	2026-06-02_cc59bac3add848edb4f6a5b2f0f2abf0_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 5184 wrote to memory of 2636	5184	2026-06-02_cc59bac3add848edb4f6a5b2f0f2abf0_elex_qilin.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-06-02_cc59bac3add848edb4f6a5b2f0f2abf0_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-02_cc59bac3add848edb4f6a5b2f0f2abf0_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:5184
- 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:2636

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2988

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 97KB
SHA256 064bd2025b77357b9e29572c3113538a974d701eb56868c39bfc2eb018afe62f
MD5 d634aa0df628e101207db52f723f1bef
SHA1 dcc2dfb1b657919debd57e952232ca4ea4fa7bec
SHA512 428ced5f0622bcc232efaaeef1edc43b84fbb9217e6d21f4ba21cb758f642b7e139a742277a9a655c415c81f0585b5f7dd01434095b9ed2f04c55f87a350d28f
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDv:E
TLSH
T197A3C34B4E66CDDBD804103B9BEAA21C82E3FC452DDCF35957EEC80674C2918C99E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2636-9-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2988-8-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5184-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5184-6-0x0000000000400000-0x000000000040E000-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