blihanstealer | b673c1bb45c4a4265e4d32e7ce0f0be151869c351e1b4a3df4e0db168deb548a

Analysis

max time kernel
150s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 21:33

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General

Target
2026-08-02_8a972d4f387b5a9a991f882eb0b9c19a_elex_qilin.exe
Size 96KB
Sample260802-1eb8jsscmb
SHA256 b673c1bb45c4a4265e4d32e7ce0f0be151869c351e1b4a3df4e0db168deb548a
MD5 8a972d4f387b5a9a991f882eb0b9c19a
SHA1 9616a21bdf1bc177048346ee9b8d7d82a7f9f5d3
SHA512 5745c10d049df432319ebfc982f2bc41ed6f4a5c8985f4ebfc4373ade02fb012bda63c164eab3f63dd2a50bf706b3002dcc93f97b762767b05c0ef8cd268a866
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhZ:E6t
TLSH
T12BA3B34B4F71CDDBE810143E97AAA21C86D3FC541CCCF35A96EED84270C291C899E9A7
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/3632-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3632-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000800000001b858-6.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5560-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4816-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4816	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4816	microsofthelp.exe
5560	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-1-5-21-2301830172-776172150-2531349243-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-02_8a972d4f387b5a9a991f882eb0b9c19a_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-02_8a972d4f387b5a9a991f882eb0b9c19a_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	2026-08-02_8a972d4f387b5a9a991f882eb0b9c19a_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 3632 wrote to memory of 4816	3632	2026-08-02_8a972d4f387b5a9a991f882eb0b9c19a_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_8a972d4f387b5a9a991f882eb0b9c19a_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_8a972d4f387b5a9a991f882eb0b9c19a_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:3632
- 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:4816

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5560

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 17cb94f4f96cf380a0f67d6e78785696c9f460626042b6d10e0bc6f78b3dcebb
MD5 d43a037f614d867defb424b22b097f71
SHA1 af5736eef3f5fd8a61966ac58a2d1689d80606bb
SHA512 380c12f0bd7256ab891428319dd98f53f91ca4eef9f20d93f76cfa6567c2f7b8c48eb446494a6c9bb79dc2c08440ac14afa17eaa2a0eaef10f54d3e12273783c
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhr:E6t
TLSH
T187A3B34B4F71CDDBE810143E97AAA21C86D3FC541CCCF35A96EED84270C291C899E9A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3632-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3632-7-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4816-11-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5560-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads