blihanstealer | 1356b37560af9e8cbc9470847102fc9467219ac88150dd6666663d7080250255

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
14/08/2026, 01:22

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General

Target
2026-08-14_efc6a07263d26ce28feb5ee8ec9cb89c_elex_qilin.exe
Size 95KB
Sample260814-brc8ya11av
SHA256 1356b37560af9e8cbc9470847102fc9467219ac88150dd6666663d7080250255
MD5 efc6a07263d26ce28feb5ee8ec9cb89c
SHA1 8ed61c588e14468200cc91e2a4d77397e8a6dcce
SHA512 70f08b55ebee586dbb0c8ea2726db0f3a47dd0a3cc04448e2b9158725946131ed2f77ffc744cb7c78eb252cdd284de52ab0ae6fd966522b865c50652bd3c8920
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hu:E1oEFlt6vghzwYu7vih9GueIh9j2IoHd
TLSH
T190A3C24B4E61CEDBD804103B9BEAA21C86E3FC452DDCF35957EEC80674C2918C99E997
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/4192-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000500000001b6f0-7.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4192-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3488-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4788-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4788	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4788	microsofthelp.exe
3488	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-1-5-21-3611646547-550105268-947503007-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-14_efc6a07263d26ce28feb5ee8ec9cb89c_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-14_efc6a07263d26ce28feb5ee8ec9cb89c_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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-14_efc6a07263d26ce28feb5ee8ec9cb89c_elex_qilin.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4192 wrote to memory of 4788	4192	2026-08-14_efc6a07263d26ce28feb5ee8ec9cb89c_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-14_efc6a07263d26ce28feb5ee8ec9cb89c_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-14_efc6a07263d26ce28feb5ee8ec9cb89c_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:4192
- 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:4788

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3488

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 95KB
SHA256 d1d639dc1bf5542d1b3a7ce4eec040af31d1509d20ec919b2bff81f90ed7d372
MD5 18cd0e866bcf860a93b9f44052187014
SHA1 37614b9fd2904e4a0de4a38b48d0abc1c8d5ea5e
SHA512 b5eabace1b7f5a6b0182db9a39ae7e5920e5c0392edb2e4798317321e31053904ac38133fab3407f40f1d75ecbc360e2847753e53fab13ff415959fb7ca71865
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hH:E1oEFlt6vghzwYu7vih9GueIh9j2IoH
TLSH
T134A3C24B4E65CEDBD804103B9BEAA21C86E3FC452DCCF35957EEC80664C2918C89E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3488-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4192-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4192-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4788-11-0x0000000000400000-0x000000000040E000-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