blihanstealer | ff3636ceea59210612046dc36f4caebf494881327f54459740231ad72e7bf64e

Analysis

max time kernel
150s
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
09/08/2026, 04:11

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General

Target
2026-08-09_3d0f76b5c75d7b7af1ac788866d7058a_elex_qilin.exe
Size 97KB
Sample260809-er315stvhw
SHA256 ff3636ceea59210612046dc36f4caebf494881327f54459740231ad72e7bf64e
MD5 3d0f76b5c75d7b7af1ac788866d7058a
SHA1 47695fa2349694ee1ab41d06477728ded830e4aa
SHA512 eaf62933996a047ba79401ea0bc72a9611c414ac3f7292a36efb93d36a4931f91b369f00cd597c0e027be639edd8e78c51146b592f2b022e2a2264a890c27786
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhX:E6
TLSH
T18AA3B34B8E71CDDBE810143E5BAAA21C86D3FC541CCCF35A97DED84670C291C899E967
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/4548-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000f00000001b87e-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4548-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2384-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4252-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4252	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4252	microsofthelp.exe
2384	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"	2026-08-09_3d0f76b5c75d7b7af1ac788866d7058a_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-09_3d0f76b5c75d7b7af1ac788866d7058a_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	2026-08-09_3d0f76b5c75d7b7af1ac788866d7058a_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 4548 wrote to memory of 4252	4548	2026-08-09_3d0f76b5c75d7b7af1ac788866d7058a_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-09_3d0f76b5c75d7b7af1ac788866d7058a_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-09_3d0f76b5c75d7b7af1ac788866d7058a_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:4548
- 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:4252

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2384

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 97KB
SHA256 dc18d774006e4f6c6625954da370e8cf580a59cb65fc8fce138769ceced4bbef
MD5 b5b3c68688da83929fef372e55031434
SHA1 f6df5d25f9b355e1619d6001de7ee7b31860b06c
SHA512 88191d68abebde801b688fec578d1bbfc1969f89235e9836a7335e39615ccac8e59c487a033c9383365fd202fe66969ff6bc593dd5eac0a2899b96aa09ef5286
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhz:E6
TLSH
T1E4A3B34B8F71CDDBE810143E5BAAA21C86D3FC541CCCF35A97EED84670C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2384-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4252-11-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4548-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4548-6-0x0000000000400000-0x000000000040E000-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