blihanstealer | 3a27358f62747d94e356f55d9c2ff4316084191ac12623faf887914caa0717f3

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
05/08/2026, 23:42

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General

Target
2026-08-05_f4a3683988b8213d5cc8207e04edfde0_elex_qilin.exe
Size 97KB
Sample260805-3p5c7atwex
SHA256 3a27358f62747d94e356f55d9c2ff4316084191ac12623faf887914caa0717f3
MD5 f4a3683988b8213d5cc8207e04edfde0
SHA1 a0a9f9a4b28552659eaab2dc53d9ccf8f83bbe85
SHA512 60e2feb63870f82e25f8fe85d49ae3f06ffa43737dc013909ad9530fd7de8f531315f05cef952b3a7aeb0f0d686a8e58b7b0200a1fecfdfd7effb16ae27977d9
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhJ:E6t
TLSH
T1CAA3B44B4E71CDDBE810143E97EAA21C86D3FC541CCCF35A96EED84670C291C889E967
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/4148-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000c000000019caa-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4148-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1572-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4092-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4092	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4092	microsofthelp.exe
1572	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-1-5-21-4046655672-1449839301-2197395821-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-05_f4a3683988b8213d5cc8207e04edfde0_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-05_f4a3683988b8213d5cc8207e04edfde0_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	2026-08-05_f4a3683988b8213d5cc8207e04edfde0_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 4148 wrote to memory of 4092	4148	2026-08-05_f4a3683988b8213d5cc8207e04edfde0_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-05_f4a3683988b8213d5cc8207e04edfde0_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-05_f4a3683988b8213d5cc8207e04edfde0_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:4148
- 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:4092

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1572

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 c3070caf20999a7b179db1afa81442ea139c5cd5c5a04fb8bd5c0053c655a351
MD5 beb6f6ee38bdfcce76fb3bfc198ae70a
SHA1 0fa0f03a60a7c55cb8231615f655efd32fec11d5
SHA512 fad66cf450f24cb9d1d7224378df4ddab640794ff47b930c10e8846b9fb2bdc422f1472cfcfd8b9ac6fb3bb25dc376045bcfe2bfcb4f37452a06835ce1cb3476
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhF:E6t
TLSH
T160A3B44B4E71CDDBE810143E97EAA21C86D3FC541CDCF35A96EED84670C291C889E9A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1572-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4092-11-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4148-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4148-7-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads