blihanstealer | 89bcd78d77f92749a4631e9e4c78a51cfa90fcc1a46daccc93539ecd9df08078

Analysis

max time kernel
149s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 11:48

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General

Target
2026-08-02_414dcf80a8b3247e711cce49de03a1a8_elex_qilin.exe
Size 91KB
Sample260802-nyy57sscle
SHA256 89bcd78d77f92749a4631e9e4c78a51cfa90fcc1a46daccc93539ecd9df08078
MD5 414dcf80a8b3247e711cce49de03a1a8
SHA1 3546d5dda843e62da7797b782fcbbdda14f87c33
SHA512 bea1a9f0d7e603f16102587ff3b168be4beca21946178b2e2ac6998e4db057c5d3287aa830999b5a2fda694b480de0340c6dba811977590fbc28b54d6419cd00
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hr:E1oEFlt6vghzwYu7vih9GueIh9j2IoHE
TLSH
T1C193D34B4E61CDDBD804103BABEAA22C86E3FC455CDCF35657EEC80674C2918C99E997
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/2196-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000c000000016cdc-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2196-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5136-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4616-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4616	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4616	microsofthelp.exe
5136	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"	2026-08-02_414dcf80a8b3247e711cce49de03a1a8_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-02_414dcf80a8b3247e711cce49de03a1a8_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	2026-08-02_414dcf80a8b3247e711cce49de03a1a8_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 2196 wrote to memory of 4616	2196	2026-08-02_414dcf80a8b3247e711cce49de03a1a8_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_414dcf80a8b3247e711cce49de03a1a8_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_414dcf80a8b3247e711cce49de03a1a8_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:2196
- 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:4616

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5136

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 91KB
SHA256 4fa4237fd748336518aa6c43d367eec669dc4cfeab45500815f950791573ee6a
MD5 f42922bfb32ef1ed72f5308220e1d111
SHA1 65d68121e8819ee4ca74a0191545a22de6984848
SHA512 9403b10356212fe01e2140ef1c21d37179f7e96ece3b698d6ca70e8a3a0cee682a3a9bc4e0921965d0ccdc92c058a9aea1c5bc124cedd62f98fb6e95791c2456
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hc:E1oEFlt6vghzwYu7vih9GueIh9j2IoHP
TLSH
T17C93D34B4EA1CDDBD804103BABEAA22C86E3FC455CDCF35557EEC80674C2918C99E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2196-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2196-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4616-11-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5136-10-0x0000000000400000-0x000000000040E000-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