blihanstealer | e0f05c16ba8b7ce923e24e599f60b8ab5568700e25173cfedf8c39200aba617c

Analysis

max time kernel
149s
max time network
98s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
06/06/2026, 06:29

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General

Target
2026-06-06_64ec9a8533d7ced968aabf361f841d6d_elex_qilin.exe
Size 97KB
Sample260606-g86jpsav71
SHA256 e0f05c16ba8b7ce923e24e599f60b8ab5568700e25173cfedf8c39200aba617c
MD5 64ec9a8533d7ced968aabf361f841d6d
SHA1 1876f4669f805828df3d9d2e867aa7a01478b328
SHA512 1b4250a1815c1a67f6f8ce919c718185b8a7585646e712a19a010ed36cd9134675f502e82f3f8e6ceeef65c9c47da68bab9c7f72993a6b8c3bcc9b254d420f4a
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDu:E
TLSH
T10BA3C34B4E66CDDBD804103BABEAA21C82D3FC452CDCF35957EEC80674C2918C99E997
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/1260-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x001d00000002b364-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1260-4-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2540-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/72-8-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
72	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
72	microsofthelp.exe
2540	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-1-5-21-1636999435-3883760687-346127294-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-06-06_64ec9a8533d7ced968aabf361f841d6d_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-06-06_64ec9a8533d7ced968aabf361f841d6d_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	2026-06-06_64ec9a8533d7ced968aabf361f841d6d_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 1260 wrote to memory of 72	1260	2026-06-06_64ec9a8533d7ced968aabf361f841d6d_elex_qilin.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-06-06_64ec9a8533d7ced968aabf361f841d6d_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-06_64ec9a8533d7ced968aabf361f841d6d_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:1260
- 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:72

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2540

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 abcaa671d9a08ad7cef434c27895e3dd1e6a9eb0ca1cd4426b1fee4dff1336e9
MD5 66aa2621f84311eb6a932fabdb8dcffa
SHA1 3688cbf63b403d3b8ed670ca5150ead8165b535b
SHA512 243dc41c66398df435f36242dff5e75d00e94c7f4c467ef73b5766110b8849e83370dbb048fea5a8b26ac73bfdc957bcf7e157c5037fb322e38afb00fe67bc39
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDh:E
TLSH
T161A3C34B4E66CDDBD804103BABEAA21C82D3FC452DDCF35957EEC80674C2918C99E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/72-8-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/1260-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1260-4-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/2540-7-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads