blihanstealer | 1053f5554ec8b6d1dbb238a358f672ea725fb3abb4e1561faa1b3cec5ada5aed

Analysis

max time kernel
150s
max time network
133s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 10:22

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-08-03_a71a20fc2f1a19f1ce063b24f634a082_elex_qilin.exe
Size 96KB
Sample260804-memgmahe55
SHA256 1053f5554ec8b6d1dbb238a358f672ea725fb3abb4e1561faa1b3cec5ada5aed
MD5 a71a20fc2f1a19f1ce063b24f634a082
SHA1 5f66e572224c0acb5d93eade5ac5d8a7017662ad
SHA512 0a2d626143b157619932bef92b89ef66f502db64d2bf5d40fe578f9fd163b94e76732a1addaeaa1e9c20a54cfb05de6f30f4f6101a8f94ee879089d031e17ad0
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhO:E6t
TLSH
T146A3B44B4F71CDDBE810143E97AAA21C86D3FC541CCCF35A96EED84670C291C889E9A7
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/6080-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000d00000001b86e-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/6080-5-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2780-8-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5520-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5520	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5520	microsofthelp.exe
2780	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"	2026-08-03_a71a20fc2f1a19f1ce063b24f634a082_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-03_a71a20fc2f1a19f1ce063b24f634a082_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	2026-08-03_a71a20fc2f1a19f1ce063b24f634a082_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 6080 wrote to memory of 5520	6080	2026-08-03_a71a20fc2f1a19f1ce063b24f634a082_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-03_a71a20fc2f1a19f1ce063b24f634a082_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_a71a20fc2f1a19f1ce063b24f634a082_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:6080
- 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:5520

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2780

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

Replay Monitor

Loading Replay Monitor...

Downloads

microsofthelp.exe

Path C:\Windows\microsofthelp.exe
Size 96KB
SHA256 facd0dba1119e05765010f3d9946c9a0289138208d1d8e03c56885649674a7fb
MD5 07c9e9814a946b2d11c3bd58c0ce91e5
SHA1 97ad4fad6b3b8c13428736bec299733152e8908f
SHA512 1a61a65ffaf9ec61b5ef6a38e5111c7142229fef980e6de4dffc50769ccdf2655e1ef8a4927dc653075550e4a46ef96755533124babb5bced153f69e4475c696
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhD:E6t
TLSH
T1B7A3B44B4F71CDDBE810143E97AAA25C86D3FC541CCCF35A96EED84670C291C889E9A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2780-8-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5520-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/6080-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/6080-5-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads