blihanstealer | 2f958977d001d5651c428d722c8801579d268083e4dc7540467840518619852d

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 14:43

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General

Target
2026-08-04_a0e1da643d159c46a675855458be606d_elex_qilin.exe
Size 93KB
Sample260804-r3s2jacd65
SHA256 2f958977d001d5651c428d722c8801579d268083e4dc7540467840518619852d
MD5 a0e1da643d159c46a675855458be606d
SHA1 cc0e84d4c8bef44a089ade0aeda79d6f6243e666
SHA512 1f90beff074cb82fff40423941b322035710b4d6de3569b35198fdd4dfc94cfcf3e4fb3ad8ff2a220cd04bd5142b112db4e097886515303aa974eb49aa8cf283
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hV:E1oEFlt6vghzwYu7vih9GueIh9j2IoHi
TLSH
T14793C24B4EA1CEDBD804103BABEAA21C86E3FC451DDCF35657EEC80674C2918C88E957
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/4828-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000d000000000426-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4828-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3712-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5248-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5248	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5248	microsofthelp.exe
3712	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"	2026-08-04_a0e1da643d159c46a675855458be606d_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-04_a0e1da643d159c46a675855458be606d_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	2026-08-04_a0e1da643d159c46a675855458be606d_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 4828 wrote to memory of 5248	4828	2026-08-04_a0e1da643d159c46a675855458be606d_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-04_a0e1da643d159c46a675855458be606d_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-04_a0e1da643d159c46a675855458be606d_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:4828
- 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:5248

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3712

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 94KB
SHA256 9225e96e0687a13b85e4b635ef7f5d4abd3ceb6e47fd5e897687e945fa9e75ed
MD5 545d657e88309c293f59608235c5e2a4
SHA1 0c0f263cbe5e7e485d8dd3f9e6157225a5f0d793
SHA512 64370f313d30a145116a6c78a65b1b0387c71acb96f5579c97fd3de9b13074b26a932e0c74e5c77e8af612be23852ff3c11a2e10fcf323248f42feb3289f1138
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hz:E1oEFlt6vghzwYu7vih9GueIh9j2IoH
TLSH
T1C093C24B4EA1CEDBD804103BABEAA21C86E3FC451DDCF35657EEC80674C2918C98E957
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3712-9-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4828-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4828-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5248-10-0x0000000000400000-0x000000000040E000-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