blihanstealer | 6863c9ee46acd2df43f4159e281d1c4853332f0f1e2f72fbb60fcc8224e79e19

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/11/2026, 23:49

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General

Target
2026-11-02_bfce7696ef1e48115fe365f27cbbfde1_elex_qilin.exe
Size 97KB
Sample261102-3vb9laf12q
SHA256 6863c9ee46acd2df43f4159e281d1c4853332f0f1e2f72fbb60fcc8224e79e19
MD5 bfce7696ef1e48115fe365f27cbbfde1
SHA1 8485710b9c4dda67bfeb5b16af393949bcf0429e
SHA512 92ab007840f2e884dfe423c710a49c73e9d2fb3729934bb84f735e2704a89cb2556e989b926fe106debd96b7787218f2b73c0691b42249576618f363bfa4e8c0
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhP:E6
TLSH
T121A3A24B4E71CDDBE810143EABEAA21C86D3FC541CCCF35A97DED84670C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion 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/4940-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x00160000000115bb-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4940-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1352-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2800-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
2800	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
2800	microsofthelp.exe
1352	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-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-11-02_bfce7696ef1e48115fe365f27cbbfde1_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-11-02_bfce7696ef1e48115fe365f27cbbfde1_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	2026-11-02_bfce7696ef1e48115fe365f27cbbfde1_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 4940 wrote to memory of 2800	4940	2026-11-02_bfce7696ef1e48115fe365f27cbbfde1_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-11-02_bfce7696ef1e48115fe365f27cbbfde1_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-02_bfce7696ef1e48115fe365f27cbbfde1_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:4940
- 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:2800

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1352

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

Indicator Removal

T1070

File Deletion

T1070.004

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 97KB
SHA256 0c8ee2eb7b9b62896b72bb70c3400dbf03b22b06fdad3697c6a8aafba774695f
MD5 e7e7bc60d0799885747ed87ecdc49347
SHA1 cedb96a650257e3f5ab6b96c8132d5cd9351bf2f
SHA512 af2acb282da2aabbd33ff88c00a54aae2ea3c853ce6d3e6edb7a2380fe2c30c5ccc126ec808da52adc61e2583b108cd304b56546bccbf07e6b8c20300f51fafd
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhJ:E6
TLSH
T1E8A3B24B4E71CDDBE800143EABEAA21C86D3FC541CCCF35A97DED84670C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1352-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/2800-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4940-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4940-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads