blihanstealer | ca71e04ce7ce5f845a13e591b91255bc3569e70e09dae070a67c5a0c6a7e4006

Analysis

max time kernel
149s
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
25/08/2026, 15:41

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General

Target
2026-08-24_35202344f07453085ae2d91d02330ebe_elex_qilin.exe
Size 97KB
Sample260825-s45mdsvdnd
SHA256 ca71e04ce7ce5f845a13e591b91255bc3569e70e09dae070a67c5a0c6a7e4006
MD5 35202344f07453085ae2d91d02330ebe
SHA1 033dd8af02af9ff80108e9e7fbb732edd190d797
SHA512 f93f9863305091fddb781b933d5b43f45c1ef57f673cbaa2001b2392a10ae50f8efbf88977d50566235c3be74cb7780884b5d15601f2f9f9fc4f277779f52389
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhx:E6tk
TLSH
T1D1A3B34B4F71CDDBE800143E9BAAA21C86D3FC541CDCF35A96EED84670C291C899E967
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/2260-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0008000000016b4d-5.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2260-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4652-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3308-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3308	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3308	microsofthelp.exe
4652	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-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-24_35202344f07453085ae2d91d02330ebe_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-24_35202344f07453085ae2d91d02330ebe_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	2026-08-24_35202344f07453085ae2d91d02330ebe_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 2260 wrote to memory of 3308	2260	2026-08-24_35202344f07453085ae2d91d02330ebe_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-24_35202344f07453085ae2d91d02330ebe_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-24_35202344f07453085ae2d91d02330ebe_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:2260
- 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:3308

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4652

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 97KB
SHA256 26ca1bc1c916a2d6b114e9d377c6d3091e3f76729c04ad7188203246a55f267a
MD5 5210d35f1ed85301b34fb13c369e101f
SHA1 f86d4f5712614b658d9af94e4b1919d2f758ab7b
SHA512 6492f5999085a1642e893263a9be5c8551a5acfe0e0fc75a51df94982d26e7b44768cc85ad838bbf547752fc6873b3606ebf27f524e5316450a3dcd460913ac7
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWh8:E6tk
TLSH
T16CA3B34B4F71CDDBE800143E9BAAA21C86D3FC541CCCF35A96EED84670C291C899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2260-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2260-7-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3308-11-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4652-10-0x0000000000400000-0x000000000040E000-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