blihanstealer | d0d0f5dba5b3da4d0ff6c1921673f7ce8dd7611e4ff5352048d51587ed890f48

Analysis

max time kernel
149s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/08/2026, 04:46

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General

Target
2026-08-01_cd0d514b04dbd8a0ff881c2d0d3ef1c1_elex_qilin.exe
Size 84KB
Sample260801-fd3znav1b1
SHA256 d0d0f5dba5b3da4d0ff6c1921673f7ce8dd7611e4ff5352048d51587ed890f48
MD5 cd0d514b04dbd8a0ff881c2d0d3ef1c1
SHA1 e38cd1ecdc47d9d6328a9df340bee6c4b8a22082
SHA512 6ea19aaeb9df6a29f5bb1b800efdeaf3bbe0e3347e9a4e47f30a82e64f66e6b81ab8698b4536265e9abbf9fcc2c3f204783c0ba7b0e7dd1dd045cd500fa7e77d
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhP:E1oEFlt6vghzwYu7vih9GueIh9j2IoHE
TLSH
T11083D44B4F71CDDBE804143EA7AAA21C86D3FC5418CCF39A97DED84374C2918899E967
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/2668-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000600000001b867-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2668-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5848-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4748-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4748	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4748	microsofthelp.exe
5848	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-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-01_cd0d514b04dbd8a0ff881c2d0d3ef1c1_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-01_cd0d514b04dbd8a0ff881c2d0d3ef1c1_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	2026-08-01_cd0d514b04dbd8a0ff881c2d0d3ef1c1_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 2668 wrote to memory of 4748	2668	2026-08-01_cd0d514b04dbd8a0ff881c2d0d3ef1c1_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-01_cd0d514b04dbd8a0ff881c2d0d3ef1c1_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_cd0d514b04dbd8a0ff881c2d0d3ef1c1_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:2668
- 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:4748

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5848

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 84KB
SHA256 783bdb1955cf36f122f471451d88cfd827d95281b394a77a81577d85cd620400
MD5 9ada21e0643c24a1178ef2da9000c6eb
SHA1 ac23ca706ec9d6cc53d89225612b44d216376d02
SHA512 cd213cd4e31940f1f1c9e748d4347a82e6a498a0a0c83efbfa83f65ff260de6f79c0c13efe2ba88d422c34fe308c4d1606b8710da04a3c49b2660ce112ddf77c
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh8:E1oEFlt6vghzwYu7vih9GueIh9j2IoH7
TLSH
T1C683D44B4F71CDDBE800143EA7AAA21C86D3FC5418CCF39A97DED84374C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2668-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2668-7-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4748-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5848-9-0x0000000000400000-0x000000000040E000-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