blihanstealer | 46485e17283b8b372a673d9e1c4399659801765af389b64b7ab2427e5ba8a4ce

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
20/09/2026, 23:26

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General

Target
2026-09-20_e3a9b1d056baf845b3f0fbee00067b94_elex_qilin.exe
Size 102KB
Sample260920-3e96pass2l
SHA256 46485e17283b8b372a673d9e1c4399659801765af389b64b7ab2427e5ba8a4ce
MD5 e3a9b1d056baf845b3f0fbee00067b94
SHA1 b556f4998e1781d89015d7a85e5b1eef40f5557b
SHA512 9ae46298f9b5bea4a71c1b163ac8b843f40fdc6c4a7c8f1e8280622f67fc734a74c2b7d657dcafacb4e6c16f2c9c13e946704466d348231bc29459a3e4ca571d
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhl:E6
TLSH
T152A3A24B4E71CDDBE814143E9BAAB21C86E3FC541CCCE35696EEC84274C2918C99E967
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/5320-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x00070000000113bc-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5320-5-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3244-8-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4916-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4916	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4916	microsofthelp.exe
3244	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-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-09-20_e3a9b1d056baf845b3f0fbee00067b94_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-09-20_e3a9b1d056baf845b3f0fbee00067b94_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	2026-09-20_e3a9b1d056baf845b3f0fbee00067b94_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 5320 wrote to memory of 4916	5320	2026-09-20_e3a9b1d056baf845b3f0fbee00067b94_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-09-20_e3a9b1d056baf845b3f0fbee00067b94_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-20_e3a9b1d056baf845b3f0fbee00067b94_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:5320
- 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:4916

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3244

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 103KB
SHA256 042403e5ead17a4503157b18ecae1328cfa443ef3d348dc96df77f7702c681e6
MD5 7b07a887c328395c073b629e91f8cb45
SHA1 9a1b0aceecb545989e0efbb9bc014cf552c7a62a
SHA512 49a84dd806bb1ccf2f29078e435fbb153bceb6b5cff77099e24c4caf442721f24304edfeda948171c257a23857d1b1d2c225f4ad2e60a5e5bad37e9d10648bc4
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhf:E6
TLSH
T154A3A24B4E71CDDBE814143E9BAAB21C86E3FC541CCCE35696EEC84274C2918C99E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3244-8-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4916-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5320-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5320-5-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads