blihanstealer | 776c9271323459bcf74f066c8dd027d91e167d42c0751029a51894d3678cc43e

Analysis

max time kernel
149s
max time network
113s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
13/09/2026, 01:10

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General

Target
2026-09-12_5c222e3fecd6a105ed24fa8917e93c35_elex_qilin.exe
Size 92KB
Sample260913-bjj2hsdb69
SHA256 776c9271323459bcf74f066c8dd027d91e167d42c0751029a51894d3678cc43e
MD5 5c222e3fecd6a105ed24fa8917e93c35
SHA1 a47d828dd3e45224587797715e751d6326c382dc
SHA512 2240005958b4d3f63bfe505f099dcd765fe2ea3fb32bfec7b06fe163445add7ab5719a90df3a0dd5e4bb7400fe79e433443a9df99de21b4b5e9d83980fed46e5
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hf:E1oEFlt6vghzwYu7vih9GueIh9j2IoHE
TLSH
T1F093C34B4EA1CEDBD804103B9BEAA22C86E3FC451DDCF35957EEC80674C2918C99E957
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

Custom signature

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral2/memory/1832-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000600000001b867-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1832-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4572-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5932-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5932	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5932	microsofthelp.exe
4572	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-1-5-21-650287814-2715975232-1279715623-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-09-12_5c222e3fecd6a105ed24fa8917e93c35_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-09-12_5c222e3fecd6a105ed24fa8917e93c35_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	2026-09-12_5c222e3fecd6a105ed24fa8917e93c35_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 1832 wrote to memory of 5932	1832	2026-09-12_5c222e3fecd6a105ed24fa8917e93c35_elex_qilin.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-09-12_5c222e3fecd6a105ed24fa8917e93c35_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-12_5c222e3fecd6a105ed24fa8917e93c35_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:1832
- 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:5932

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4572

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 92KB
SHA256 b8bb596200636c8051e7d9824057f622d07a8021a58a68aa99a1335e5ffde4e2
MD5 4895eadef137ef6352966a6cfc878e67
SHA1 a0699fe6cadeae5ca71f363e9c84bb911b58640e
SHA512 33573a325fc53ccaa0fac847df829d87de2c7680c2969902ffbd1647921d93ca29ca37115418bbc135171b2a6e53fd0cbbdfe1d30fa37acf5ea3133ae5f816ae
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hV:E1oEFlt6vghzwYu7vih9GueIh9j2IoH6
TLSH
T18F93C34B4EA1CEDBD804103B9BEAA22C86D3FC451DDCF35957EEC80674C2918C99E957
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1832-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1832-7-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4572-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5932-10-0x0000000000400000-0x000000000040E000-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