blihanstealer | 4243a6ad87ba99e46108526015fcfb186317fa7498c880bd13dcd8404c73c2f1

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
19/08/2026, 22:13

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General

Target
2026-08-19_b417b317227e424a91aeffa3ab80072e_elex_qilin.exe
Size 96KB
Sample260819-143f2avbka
SHA256 4243a6ad87ba99e46108526015fcfb186317fa7498c880bd13dcd8404c73c2f1
MD5 b417b317227e424a91aeffa3ab80072e
SHA1 d51f4c01f92ebf53f2145108ab8bd1da87903cb0
SHA512 2eb7223b69c5035ca9bb4ec6d2cf5b3056a7c4e7d408438f68792cbce9c4e48309b78c2e57372c2a77ffd3137402d3f218ae7743e3a4f9b940f39b64bcae6bd5
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDP:Eo
TLSH
T1FBA3B24B4E65CEDBD804103A9BEAA21C86E3FC452DDCF35957EEC80670C2918C99E997
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/548-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000700000001b86d-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/548-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4208-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4620-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4620	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4620	microsofthelp.exe
4208	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-1-5-21-189034102-168398478-1159367937-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-19_b417b317227e424a91aeffa3ab80072e_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-19_b417b317227e424a91aeffa3ab80072e_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	2026-08-19_b417b317227e424a91aeffa3ab80072e_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 548 wrote to memory of 4620	548	2026-08-19_b417b317227e424a91aeffa3ab80072e_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-19_b417b317227e424a91aeffa3ab80072e_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_b417b317227e424a91aeffa3ab80072e_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:548
- 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:4620

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4208

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 c774c947d62a78862234fae826a56a2f583d079d097a92aa06b3b66a4d8a59b5
MD5 fbeb8556ff586b5c33517536f65db236
SHA1 0e0f37cbd1a9694173c057d1bf27b22e071542a4
SHA512 358435b4f2463b292609c27dac94fab0c0d77683a8c294e097b18dd20662c4dda230082a034d2f4059fa62abc8892e28a15f66e6bc5537e51a07627b2b66f1d1
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDD:Eo
TLSH
T142A3B24B4EA5CEDBD804103B9BEAA21C86E3FC452DDCF35957EEC80620C2918C99E957
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/548-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/548-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4208-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4620-10-0x0000000000400000-0x000000000040E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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