blihanstealer | 4473b181e34b875c200ae10bab41b303b5a53d5528a76540c4847af272ae9bfb

Analysis

max time kernel
149s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
07/05/2026, 02:51

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General

Target
2026-05-07_d10f44463f162b00b30ad8a3e442deb1_elex_qilin.exe
Size 93KB
Sample260507-dck2caav2l
SHA256 4473b181e34b875c200ae10bab41b303b5a53d5528a76540c4847af272ae9bfb
MD5 d10f44463f162b00b30ad8a3e442deb1
SHA1 a8579a55771eb112b56e64019bb1d5533709b356
SHA512 44ce4a44d894d2c50f0f02e64fc23ee5c2b6842be74b108bcf98efec644b50109efacbf2c61677bd0250f6be67e94c04a1ba160342ba286a9261fd081b58801f
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8ho:E1oEFlt6vghzwYu7vih9GueIh9j2IoHH
TLSH
T1B993C34B4E65CEDBD804103B9BEAA22C86E3FC451DDCF35957EEC80670C2918C99E957
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/2944-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000900000000d3d7-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2944-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4196-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/656-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
656	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
656	microsofthelp.exe
4196	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-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-05-07_d10f44463f162b00b30ad8a3e442deb1_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-05-07_d10f44463f162b00b30ad8a3e442deb1_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	2026-05-07_d10f44463f162b00b30ad8a3e442deb1_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 2944 wrote to memory of 656	2944	2026-05-07_d10f44463f162b00b30ad8a3e442deb1_elex_qilin.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-07_d10f44463f162b00b30ad8a3e442deb1_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-07_d10f44463f162b00b30ad8a3e442deb1_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:2944
- 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:656

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4196

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 93KB
SHA256 dff5dd101fe6d110fb1204ead83edd669a58ee882baae490cd637e2e5255f199
MD5 e6c2526e444751c98753f87e45b989b5
SHA1 998cb76cc0645e7c07a988b3539de2f5fb185c89
SHA512 5df26e5295f7b25d4fa8ceab596a41d341518c2acdc1aa6574680c287965b0238a6401ad28fd9a66dcdda34fe5275767b8e37c429054b164028dc9ceb8f68b8c
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h5:E1oEFlt6vghzwYu7vih9GueIh9j2IoHi
TLSH
T1C293C44B4E65CEDBD804103B9BEAA21C86E3FC452DDCF35957EEC80670C2918C99E957
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/656-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/2944-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/2944-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4196-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads