blihanstealer | ac50cc696e202ff8217a7f94700eb36201815bce812110736fc0bcdc624b8237

Analysis

max time kernel
149s
max time network
112s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/11/2026, 05:59

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General

Target
2026-11-01_e07cfdee9fb38a24943d7be629ae1c9a_elex_qilin.exe
Size 96KB
Sample261102-gp4k1afs2s
SHA256 ac50cc696e202ff8217a7f94700eb36201815bce812110736fc0bcdc624b8237
MD5 e07cfdee9fb38a24943d7be629ae1c9a
SHA1 f8ea3de86e7f06b1fdc99842c176c83106d39fb9
SHA512 a55e73182ca567e8c3f0fc35a2f4d588081c547d10abfd5fbff7103de110d241e0aa0d3cd1fbd8601c022906add887aeaaeb59a801e3a46bab813d3fbf2bde88
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhN:E6tv
TLSH
T18CA3B44B4F71CDDBE810143E97AAA21C86D3FC541CCCF35A96DED84670C291C899E9A7
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/236-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000d000000019cb7-5.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/236-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3996-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4100-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
4100	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4100	microsofthelp.exe
3996	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-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-11-01_e07cfdee9fb38a24943d7be629ae1c9a_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-11-01_e07cfdee9fb38a24943d7be629ae1c9a_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	2026-11-01_e07cfdee9fb38a24943d7be629ae1c9a_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 236 wrote to memory of 4100	236	2026-11-01_e07cfdee9fb38a24943d7be629ae1c9a_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-11-01_e07cfdee9fb38a24943d7be629ae1c9a_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-01_e07cfdee9fb38a24943d7be629ae1c9a_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:236
- 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:4100

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3996

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 6e9b8bf1b962d440869a76dd947c819715202741c15d273c12e8be0eb1842cfe
MD5 0165f37988cbaa15e1528d046ae6d3bb
SHA1 98fee19e36bff0bec8f33dd455cbb01ac26e9e8f
SHA512 8ade209e25b8081d38099fcfbb90ce249ebe5aa31ed3ad728b588ad7dddb34bdedb9661ad88cad4fb6d2155e0afaf026b4244ec9ae609382eedf3a52083e51cf
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhb:E6tv
TLSH
T110A3B54B4F71CDDBE810143E97AAA21C86D3FC541CCCF35A96DED84670C291C899E9A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/236-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/236-7-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3996-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4100-11-0x0000000000400000-0x000000000040E000-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