blihanstealer | b73cdb0c4e80bff23ee7d59e1b1ff3051d6c40bc663cb6039a26c14f590bbf3f

Analysis

max time kernel
149s
max time network
136s
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, 08:30

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General

Target
2026-08-02_73c0886d9dc99a355b0c6b653f402b6b_elex_qilin.exe
Size 95KB
Sample260802-kd8mcsyemf
SHA256 b73cdb0c4e80bff23ee7d59e1b1ff3051d6c40bc663cb6039a26c14f590bbf3f
MD5 73c0886d9dc99a355b0c6b653f402b6b
SHA1 0f7de8d1a2736d13550c660efaeb228f07d53ace
SHA512 92a89316a422e608b91b35ebbda66622223efef2017791d1e144b0503c53f52c3540d3002ce0fcffb9285ad92e14de1d8ccb3f5110cf9b5db80be30de64f5ade
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hg:E1oEFlt6vghzwYu7vih9GueIh9j2IoHb
TLSH
T1EEA3C34B4E66CDDBD804103B9BEAA22C82E3FC451CDCF35957EEC80674C2918C99E997
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/1248-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000b00000001b315-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1248-5-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/8-8-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3212-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3212	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3212	microsofthelp.exe
8	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-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-02_73c0886d9dc99a355b0c6b653f402b6b_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	2026-08-02_73c0886d9dc99a355b0c6b653f402b6b_elex_qilin.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_73c0886d9dc99a355b0c6b653f402b6b_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 1248 wrote to memory of 3212	1248	2026-08-02_73c0886d9dc99a355b0c6b653f402b6b_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-02_73c0886d9dc99a355b0c6b653f402b6b_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_73c0886d9dc99a355b0c6b653f402b6b_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:1248
- 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:3212

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:8

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 96KB
SHA256 74b96109143273aab8e8890ed9fc104dcca2b1199608f999d671c7db0401ff8c
MD5 1c685309437aac753c0e07ffccab7066
SHA1 be87acf4afa3a57e7e76345e3513ca06b8d9301a
SHA512 36390bff1170bc8befcab9c252a3074cb05227b154d27b47502c7347020c3aa33fa477566f1c29ef26f0405bb631c6c4b80b844da04bdb79122212d6eaf29dd3
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDW:E
TLSH
T1F2A3C24B4E66CDDBD804103B9BEAA22C82E3FC451CDCF35957EEC80674C2918C99E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/8-8-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1248-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1248-5-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3212-9-0x0000000000400000-0x000000000040E000-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