blihanstealer | e6278da9766f8057ef13415c396307c0c5b0608aae3308111291340c680228a5

Analysis

max time kernel
149s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
07/08/2026, 01:46

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General

Target
2026-08-07_a414b4526429d0809545542cd639e943_elex_qilin.exe
Size 96KB
Sample260807-b7efyayvgx
SHA256 e6278da9766f8057ef13415c396307c0c5b0608aae3308111291340c680228a5
MD5 a414b4526429d0809545542cd639e943
SHA1 09bd866ec8e53a5de5f1172cac13c635be962291
SHA512 16353eec3602906ee239e49207b5098ea9cb7499fd489a21f5fff99478569db230013428c44f1224bfa937331ae473e7f13daf806c73e20c54bde20e7f7e1a3b
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhe:E6t
TLSH
T17EA3B44B8E71CDDBE800143E97EAA21C86D3FC541CDCF35A96EED84670C291C899E967
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/3012-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a000000019cb8-5.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3012-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5076-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5036-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5036	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5036	microsofthelp.exe
5076	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-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-07_a414b4526429d0809545542cd639e943_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-07_a414b4526429d0809545542cd639e943_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	2026-08-07_a414b4526429d0809545542cd639e943_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 3012 wrote to memory of 5036	3012	2026-08-07_a414b4526429d0809545542cd639e943_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-07_a414b4526429d0809545542cd639e943_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-07_a414b4526429d0809545542cd639e943_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:3012
- 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:5036

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5076

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 96KB
SHA256 d9ba0b3cd077f227214f004b824a798a45201d9360977d7ab1768167866d5673
MD5 9bcc668388af211ff1e0393c7cf66731
SHA1 ba0e7a3e51f980264983596ae108cd359427227e
SHA512 3d0803c6e0fd3bf096f68b6893821e506185218f4f683091759554e359c38a9e5dbfb7d74861e23a600b8d3b645b73d6332b36c78a3b7c8154c08be7adec0571
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhn:E6t
TLSH
T10BA3B44B4E71CDDBE800143E97EAA21C86D3FC541CDCF35A96EED84670C291C899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3012-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3012-7-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5036-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5076-9-0x0000000000400000-0x000000000040E000-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