blihanstealer | cf27c431d18707ab3ca739776195957a7bfa6bfa810c2a7e18cb9bd9df5e6aad

Analysis

max time kernel
150s
max time network
133s
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_8c8341cd15c13e5353c37a540176979a_elex_qilin.exe
Size 88KB
Sample260802-1d548sgj7x
SHA256 cf27c431d18707ab3ca739776195957a7bfa6bfa810c2a7e18cb9bd9df5e6aad
MD5 8c8341cd15c13e5353c37a540176979a
SHA1 09e221d2ca8f0d2c365afc4c6b7fc3baa7fa6646
SHA512 ebb9593e893f03f4d4bec041b30a71846630fbafbf3ed7946941881d73ca975e7cd4a8c05ae40a0c3782c93ea960497dbf56aad7f9e529c96d629513b12efe03
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8ho:E1oEFlt6vghzwYu7vih9GueIh9j2IoHX
TLSH
T1ED93D44B4E71CDDBD804103B9BEAA26C86E3FD451CDCF35A57EEC80660C2918C99E997
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/4496-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000b00000001b88f-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4496-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5812-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4864-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4864	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4864	microsofthelp.exe
5812	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_8c8341cd15c13e5353c37a540176979a_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	2026-08-02_8c8341cd15c13e5353c37a540176979a_elex_qilin.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_8c8341cd15c13e5353c37a540176979a_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 4496 wrote to memory of 4864	4496	2026-08-02_8c8341cd15c13e5353c37a540176979a_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_8c8341cd15c13e5353c37a540176979a_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_8c8341cd15c13e5353c37a540176979a_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:4496
- 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:4864

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5812

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 88KB
SHA256 d6c221f68d7e148d4ab41058c7d29ec8bcac2e4f22c8dc2db48e68ee0ce5512d
MD5 147467b096019fc62ea87b1eb361554e
SHA1 6f3b35dc6d3110a19636374ded81b3091d3e3d0f
SHA512 1f668435117950af5a61cb086d2ab7ddd48988d517f770b90d4ba73b493572a4df315a2da29f5613ba8a5f951e72762e453980f66c942473219e7ccb37c55140
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hr:E1oEFlt6vghzwYu7vih9GueIh9j2IoHM
TLSH
T18793D44B4EB1CDDBD804103B9BEAA26C86E3FC451CDCF35957EEC80660C2918C89E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4496-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4496-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4864-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5812-9-0x0000000000400000-0x000000000040E000-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