blihanstealer | 4845356303f7ec0f51a42ebed9667ac0e200a9cde8cc0bcd823922aba0b2096b

Analysis

max time kernel
149s
max time network
124s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
23/10/2026, 04:04

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General

Target
2026-10-22_eb7bc78a8d134bf0d1bd5aa6e0f77462_elex_qilin.exe
Size 96KB
Sample261023-em1efswvbv
SHA256 4845356303f7ec0f51a42ebed9667ac0e200a9cde8cc0bcd823922aba0b2096b
MD5 eb7bc78a8d134bf0d1bd5aa6e0f77462
SHA1 4ebd336bf5585683f38f62068210c827ec108613
SHA512 2d042dafe3e3133fb980e29cb7d54918ee7f83fa88bfba2bd9dba90aca5d1295b86f7db808d0b8ade8fa2cb77330daa78034689b5e75daf1c186a7999b5cb8dd
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhD:E6tv
TLSH
T180A3B44B4F71CDDBE810143E9BAAA21C86D3FC541CCCF35A96DED84670C291C899E9A7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion 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/4280-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x00170000000115ec-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4280-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2256-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3292-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
3292	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3292	microsofthelp.exe
2256	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-1-5-21-1404337215-1550464601-2805570857-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-22_eb7bc78a8d134bf0d1bd5aa6e0f77462_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-10-22_eb7bc78a8d134bf0d1bd5aa6e0f77462_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	2026-10-22_eb7bc78a8d134bf0d1bd5aa6e0f77462_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 4280 wrote to memory of 3292	4280	2026-10-22_eb7bc78a8d134bf0d1bd5aa6e0f77462_elex_qilin.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-10-22_eb7bc78a8d134bf0d1bd5aa6e0f77462_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-22_eb7bc78a8d134bf0d1bd5aa6e0f77462_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:4280
- 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:3292

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2256

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

Indicator Removal

T1070

File Deletion

T1070.004

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 8381fc327f9debe15b148a0a9f09b4df2d18ac7c7c1e0b150a256a47d1871a02
MD5 5cf7ef695e24701f6bf7fc3e4a0a218e
SHA1 384183d3e529aea7678c92de5595a28662cd462f
SHA512 1d3c3ed6b67eeaf2f9fe537c37d91cda1df8005c8b81bb4ed4000f6894d4d7c2f768516066a53ea439aa2ffdf18dc71cc288092ae9c5b9a8e048146895a0f0de
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhh:E6tv
TLSH
T185A3B44B4F71CDDBE810143E9BAAA21C86D3FC541CCCF35A96DED84670C291C899E9A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2256-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3292-11-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4280-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4280-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads