blihanstealer | 40b8536a3d6e04198f29b8a01bcacb48fd7d686077bf1cbaaab3b3d1ac25d73f

Analysis

max time kernel
149s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
14/10/2026, 21:42

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General

Target
2026-10-14_4f34314bbbd628789159396f05d73858_elex_qilin.exe
Size 93KB
Sample261014-1kvbbaac29
SHA256 40b8536a3d6e04198f29b8a01bcacb48fd7d686077bf1cbaaab3b3d1ac25d73f
MD5 4f34314bbbd628789159396f05d73858
SHA1 b3845d22bf590676699e500da65d53d1068254b9
SHA512 ff8836143b356ced7abcfee7fe85f76c0c21cb3bead52097a4de4c7682a1a7c0c3ca144585d89a19a9e457b148cf89926065c0069b31f3150c390e7ef5705c74
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhi:E1oEFlt6vghzwYu7vih9GueIh9j2IoHV
TLSH
T1DD93C34B8F71CDDBE810143EA7AAA21C86D3FC541CCCF35A97DED84670C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion 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
behavioral1/memory/1628-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1628-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000800000001e417-5.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1152-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4492-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
4492	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4492	microsofthelp.exe
1152	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-1-5-21-747854149-4118156852-591593384-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-14_4f34314bbbd628789159396f05d73858_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-10-14_4f34314bbbd628789159396f05d73858_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	2026-10-14_4f34314bbbd628789159396f05d73858_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 1628 wrote to memory of 4492	1628	2026-10-14_4f34314bbbd628789159396f05d73858_elex_qilin.exe	86

C:\Users\Admin\AppData\Local\Temp\2026-10-14_4f34314bbbd628789159396f05d73858_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-14_4f34314bbbd628789159396f05d73858_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:1628
- 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:4492

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1152

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

Indicator Removal

T1070

File Deletion

T1070.004

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 93KB
SHA256 c14f6ac8d53a106920c12a43dcc138d5c6bdf6ed26cc0630e0141480544fc945
MD5 7d319cb3c19e2e6ed21ca6c6f358ae5e
SHA1 481d4efc81f8d95a35889e03406a8f67bad852c7
SHA512 4a2880d48a6d3a02e042de6052de19a6484749f120ecd7221602335ab67da9fd6828d5c495755fc35a775588e1d10376141616e47382a34a8553fc627e9d565b
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh3:E1oEFlt6vghzwYu7vih9GueIh9j2IoHg
TLSH
T18C93C34B8F71CDDBE810143EA7AAA21C86D3FC541CCCF35A97DED84670C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1152-9-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1628-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1628-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4492-10-0x0000000000400000-0x000000000040E000-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