blihanstealer | 15f057f89bf8db660bc4d0260317c28958962ed69a59ffdaed0c4f247bb43e2d

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
05/08/2026, 18:02

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General

Target
2026-08-05_8c465a35507d556a1084303bd071f7d7_elex_qilin.exe
Size 96KB
Sample260805-wmvyeada93
SHA256 15f057f89bf8db660bc4d0260317c28958962ed69a59ffdaed0c4f247bb43e2d
MD5 8c465a35507d556a1084303bd071f7d7
SHA1 10f3f8d0b41227207590d75d24eb32bbf12827ef
SHA512 2ed23ebd29eb58d92f31f6cb7dc2eb8b593fbb29243e0aaa11d73f8021deae9b13ace085dbdd47b3e9c1067c920bc8293bd0501a844ab1f54abd0eab6b58a27f
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhC:E6
TLSH
T10AA3B34B8F71CDDBE810143E6BAAA21C86D3FC541CCCF35A97DED84670C2918899E967
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/3584-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000b000000019cb8-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3584-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/6112-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/6036-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
6036	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
6036	microsofthelp.exe
6112	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"	2026-08-05_8c465a35507d556a1084303bd071f7d7_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-05_8c465a35507d556a1084303bd071f7d7_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	2026-08-05_8c465a35507d556a1084303bd071f7d7_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 3584 wrote to memory of 6036	3584	2026-08-05_8c465a35507d556a1084303bd071f7d7_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-05_8c465a35507d556a1084303bd071f7d7_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-05_8c465a35507d556a1084303bd071f7d7_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:3584
- 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:6036

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:6112

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 6ea9dc04a4709c057d6e2eb94c4efc196a05ccf0c37e1f2ac1e2e91b35471d63
MD5 3a02ab35460ccc4934390930a88c30b7
SHA1 82f4c4d621be93b33b4505b9bf7a08276c146327
SHA512 1626eeb6989de7c2fa9a0d86dc7b4c9d6bb9f9ad1b87e9721a605d66e6bdc85bd2ac758fc4e75b0ac5eb998b5ec1ecd4a0fbcb6f20502af2adfcf1cced5271ab
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhb:E6
TLSH
T196A3B34B8F71CDDBE810143E6BAAA21C86D3FC541CCCF35A97DED84670C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3584-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3584-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/6036-11-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/6112-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads