blihanstealer | d976b6507283691cd8ff96582a6b8806473729f7459587ea82c47642d6675cc3

Analysis

max time kernel
149s
max time network
142s
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, 03:51

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General

Target
2026-08-24_b1bb0950263aad6a58f9af7cab6cc343_elex_qilin.exe
Size 88KB
Sample260825-eekzssfg98
SHA256 d976b6507283691cd8ff96582a6b8806473729f7459587ea82c47642d6675cc3
MD5 b1bb0950263aad6a58f9af7cab6cc343
SHA1 4338219a74d25732bc21e3b515c281661cb3a90a
SHA512 47895d2402afa688c2fe579af773b64c2d72c325e78f274d80653e9eca09bdc96409912ae2b500dcfd9d532b145139cc1b8b94e65eae6e9094b9b0440d0ca54e
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hQ:E1oEFlt6vghzwYu7vih9GueIh9j2IoHr
TLSH
T1A593D44B4EA1CDDBD804103B9BEAA26C86D3FC451DDCF35957EEC80670C2918C99E997
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/2164-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000b00000001136a-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2164-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5320-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5328-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5328	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5328	microsofthelp.exe
5320	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_b1bb0950263aad6a58f9af7cab6cc343_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-24_b1bb0950263aad6a58f9af7cab6cc343_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_b1bb0950263aad6a58f9af7cab6cc343_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 2164 wrote to memory of 5328	2164	2026-08-24_b1bb0950263aad6a58f9af7cab6cc343_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-24_b1bb0950263aad6a58f9af7cab6cc343_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-24_b1bb0950263aad6a58f9af7cab6cc343_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:2164
- 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:5328

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5320

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 88KB
SHA256 4bfe78e982dbc7bf55d67dbb1ef6ad5f0108fbff9f2217b905b1cbed0c2539d5
MD5 c19a072157ac04849274b00add0c1031
SHA1 896e1b26842328011af33ff3d8ac4c0a85b4008f
SHA512 1a5438f030e2bb2124546d17c5ec0468583d058214501f095e7c4b8148760bbaf4d4caf8f51c71f114833b726c4769e6e85ffdcaa081f7bad5372b19aa8b4ccf
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hj:E1oEFlt6vghzwYu7vih9GueIh9j2IoHc
TLSH
T15E93D34B4EA1CDDBD804103B9BEAA22C86E3FC451DDCF35957EEC80670C2918C99E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2164-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2164-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5320-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5328-10-0x0000000000400000-0x000000000040E000-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