blihanstealer | 3a46241de5fd1d305fb3603bd2744e533d61488511b9b5a20934b2a6113af953

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 11:02

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General

Target
2026-08-03_85568d35838a209c4824d1302bb422b8_elex_qilin.exe
Size 96KB
Sample260804-m5bg2sycja
SHA256 3a46241de5fd1d305fb3603bd2744e533d61488511b9b5a20934b2a6113af953
MD5 85568d35838a209c4824d1302bb422b8
SHA1 fb84023eb72b8dba126d4a31e99ca6a23cbac86a
SHA512 4676e1f42af15567ee463d4024493df7e5f23c39cc455262bfa4c380ce851ca036d2a8b0337e79bee435e61d205f1f79de04385c80c9593883fc6aaa2e3e6ff8
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWh/:E6
TLSH
T1C1A3B34B4F71CDDBE810143EA7AAA11C86D3FC541CCCF35A97EED84670C2918899E967
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/4748-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x001200000001122a-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4748-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1212-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3468-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3468	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3468	microsofthelp.exe
1212	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-1-5-21-2301830172-776172150-2531349243-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-03_85568d35838a209c4824d1302bb422b8_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-03_85568d35838a209c4824d1302bb422b8_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	2026-08-03_85568d35838a209c4824d1302bb422b8_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 4748 wrote to memory of 3468	4748	2026-08-03_85568d35838a209c4824d1302bb422b8_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-03_85568d35838a209c4824d1302bb422b8_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_85568d35838a209c4824d1302bb422b8_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:4748
- 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:3468

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1212

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 9665a0073bdb5cf6b5b8c3dc451f33001d2a4bd5177fe4c28c0d85bb92da18c1
MD5 a3e01a39af9c7173593225d954f3e7ae
SHA1 7ded3403ffa0e7bb62368af833d6e67a4f38dc84
SHA512 fb76fc7483ecd9e5ff67ef30ae4e5b17bb42c8a390f00a2ef246e1960bbbc8e61a9fc81eb647b300cd78707875942398665ceec965f22a6e9db3729cdd68e87b
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhd:E6
TLSH
T198A3B34B4F71CDDBE800143EA7AAA21C86D3FC541CCCF35A97EED84670C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1212-9-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3468-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4748-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4748-6-0x0000000000400000-0x000000000040E000-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