blihanstealer | 34618f2419552b3eabd18e0f3a1a982f6e859fedd12c2ab991cd3f4eec987168

Analysis

max time kernel
149s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
31/07/2026, 23:48

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General

Target
2026-07-31_666c86c0a8a8ef2a8ee6122464286740_elex_qilin.exe
Size 92KB
Sample260731-3tl3eatsfx
SHA256 34618f2419552b3eabd18e0f3a1a982f6e859fedd12c2ab991cd3f4eec987168
MD5 666c86c0a8a8ef2a8ee6122464286740
SHA1 ee986a53d02d4f3bb8d7f59992379bb15c80921a
SHA512 c91db4204cfd97b353cf04b2e3815b51c1c8c92fb92a6416268e24710f5689fbfb47a87ae0ff041120475d06dd57c1824487393d382cb5fb5f6df06c11cdb7c4
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh5:E1oEFlt6vghzwYu7vih9GueIh9j2IoHK
TLSH
T1AE93C34B8E71CDDBE800143E97EAA21C86D3FC441CDCF35A96EED84270C291C899E967
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/4164-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4164-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000d000000019cd9-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5368-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4108-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4108	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4108	microsofthelp.exe
5368	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-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-07-31_666c86c0a8a8ef2a8ee6122464286740_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-07-31_666c86c0a8a8ef2a8ee6122464286740_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	2026-07-31_666c86c0a8a8ef2a8ee6122464286740_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 4164 wrote to memory of 4108	4164	2026-07-31_666c86c0a8a8ef2a8ee6122464286740_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-31_666c86c0a8a8ef2a8ee6122464286740_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-31_666c86c0a8a8ef2a8ee6122464286740_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:4164
- 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:4108

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5368

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 5732f8b218af32a345e1c17fe6b08433d691a26199b89655f5b551595dc9a9be
MD5 a69410ee38352f7c1b94867e5b08e3f0
SHA1 ba8ad886db29241537c9ebf5498ab5b2040e73b7
SHA512 cb0e141db5a564e0cea57507006a0109dbe133e74df505baa7b1d3c415804b299d129d20ea31ad547f0bdc583eb7e9bdefa57b4490a05edf1ba9caef0f1a3494
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh8:E1oEFlt6vghzwYu7vih9GueIh9j2IoHz
TLSH
T17693C34B8F71CDDBE800143E97EAA21C86D3FC441CDCF35A96EED84670C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4108-11-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4164-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4164-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5368-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads