blihanstealer | 3824c7f2623e27364136f4d6661a908f6cf8a3908cf9e1dd719c0f482b500b67

Analysis

max time kernel
150s
max time network
113s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/08/2026, 05:15

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General

Target
2026-08-01_4412bc91380e5e16edd6cc306041bcf1_elex_qilin.exe
Size 98KB
Sample260801-fx196sydrd
SHA256 3824c7f2623e27364136f4d6661a908f6cf8a3908cf9e1dd719c0f482b500b67
MD5 4412bc91380e5e16edd6cc306041bcf1
SHA1 80b6a3319bc7524c55c0ee23f488511df818be3f
SHA512 fc69c49d160b9427cad8ec97ad0c2418ab20df64dab5cc05562f93c80c2575fbdeb0a669b49311214effe317161a53f8ec5b7bed3ed421f04b9190ee38133c3d
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhD9:Eo
TLSH
T180A3B24B4E65CEDBD804103B9BEAA21C86E3FC452DDCF35957EEC80670C2918C99E997
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/4960-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000c00000001b8ae-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4960-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4268-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1860-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
1860	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1860	microsofthelp.exe
4268	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-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-01_4412bc91380e5e16edd6cc306041bcf1_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-01_4412bc91380e5e16edd6cc306041bcf1_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	2026-08-01_4412bc91380e5e16edd6cc306041bcf1_elex_qilin.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 1860	4960	2026-08-01_4412bc91380e5e16edd6cc306041bcf1_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-01_4412bc91380e5e16edd6cc306041bcf1_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_4412bc91380e5e16edd6cc306041bcf1_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:4960
- 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:1860

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4268

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 98KB
SHA256 0e0558998fd43dc82ee2bda7b7c27c4bb95e17fed74ea39db1759ce9c6fbe406
MD5 c2ae7353c7153d600382dfd925d6b293
SHA1 15cb976e33540a93afb993ab3e14fb6b51439ee7
SHA512 1de3dac805d78536a4ed5165e6223ef341ff032384c08603ad22aec62b1efd2e85cb786eff0f310caacc5d05dede682c297051e13f6a8ed99bf38fd4256e2acb
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhD8:Eo
TLSH
T18DA3B24B4EA5CEDBD804103B9BEAB21C86D3FC452DDCF35957EEC80660C2918C99E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1860-11-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4268-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4960-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4960-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads