blihanstealer | 36c39e20e0b24de26fb2ca8ba72b9f52d2edbec09334729b8090449d723ddb95

Analysis

max time kernel
149s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/08/2026, 21:09

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General

Target
2026-08-28_18972bf4f98923a811b497eb18cca77e_elex_qilin.exe
Size 96KB
Sample260828-zzj88aeb68
SHA256 36c39e20e0b24de26fb2ca8ba72b9f52d2edbec09334729b8090449d723ddb95
MD5 18972bf4f98923a811b497eb18cca77e
SHA1 fb57f2afa623d062c07f6749d252e4a2fdff50e1
SHA512 f1f63ead4860e2dc74f94542e9b93bbd5eb0342eda6471f2263a95f8789fcd9b6e0e7f0e0745739781f93c3350fe7bc8ef9696d812aa5c4847ed1ce93e73c916
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhD:E6t
TLSH
T1DEA3B34B4E71CDDBE810143E9BEAA21C86D3FC541CDCF35A96EED84670C291C889E967
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/2760-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a000000011390-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2760-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1520-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4568-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4568	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4568	microsofthelp.exe
1520	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-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-28_18972bf4f98923a811b497eb18cca77e_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-28_18972bf4f98923a811b497eb18cca77e_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	2026-08-28_18972bf4f98923a811b497eb18cca77e_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 2760 wrote to memory of 4568	2760	2026-08-28_18972bf4f98923a811b497eb18cca77e_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-28_18972bf4f98923a811b497eb18cca77e_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-28_18972bf4f98923a811b497eb18cca77e_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:2760
- 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:4568

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1520

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 31bd920c9186d69e5c82138c199cae6e9932a980e30f5f6414e4772380b2d3cd
MD5 ec298fb4564d3d56cf1df2773f65b181
SHA1 56be654eb71452cb4c64b26b2bc2ca4259b9ca8b
SHA512 75cc3d265fcbbc4738d0bac2722cf6abaf152f145f61335c2ada20f7b82457681741bbcec26cb9ed1afc3146a5325c616f8514400bd8735bd6e96be5675b94f6
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhE:E6t
TLSH
T1C0A3B34B4E71CDDBE800143E9BEAA21C86D3FC541CDCF35A96EED84670C2918889E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1520-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/2760-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/2760-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4568-11-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads