blihanstealer | d4432ccf03d81841fff8c3bc506a8cc73878bfa0ef6d64f21308df4c3d3314b6

Analysis

max time kernel
150s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 14:16

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General

Target
2026-08-04_c3fa59d601a797eb2ac18020aecce60f_elex_qilin_rhadamanthys.exe
Size 79KB
Sample260804-rk4ejsseka
SHA256 d4432ccf03d81841fff8c3bc506a8cc73878bfa0ef6d64f21308df4c3d3314b6
MD5 c3fa59d601a797eb2ac18020aecce60f
SHA1 ecf4b0dc0ed464df8f36c449cb3a25cc36918ad7
SHA512 005b8a797efdbc16e106a7a62c91b7c833e7771728fb9749dbd52f4330e2270a708c23c3bfa370c19f8f0dd7e71af2271592f699180d99febed150024c06e30f
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXX:E1oEFlt6vghzwYu7vih9GueIh9j2IoHN
TLSH
T122835C578EA2CCABD800003B67FAA27C86EBBC411DDCB3968BDDCC1634D2914C95E557
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/5780-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000d00000001b87d-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5780-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5588-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4680-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4680	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4680	microsofthelp.exe
5588	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-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-04_c3fa59d601a797eb2ac18020aecce60f_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-04_c3fa59d601a797eb2ac18020aecce60f_elex_qilin_rhadamanthys.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	2026-08-04_c3fa59d601a797eb2ac18020aecce60f_elex_qilin_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5780 wrote to memory of 4680	5780	2026-08-04_c3fa59d601a797eb2ac18020aecce60f_elex_qilin_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-04_c3fa59d601a797eb2ac18020aecce60f_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-04_c3fa59d601a797eb2ac18020aecce60f_elex_qilin_rhadamanthys.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5780
- 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:4680

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5588

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 79KB
SHA256 4a0efd22b512446c9730b37a396b30863f1e7d2e579d0a3f84d93c079d0b0785
MD5 7181078d647b97b9b8e700007f664433
SHA1 c0deebc9ddc3fc489f85ada9a21cf2ebecb547f9
SHA512 1a247a211c39448a338739285f8c920408a55fec781c2be01bc66b61cb4ea9c74b272ae9c9da6e290ddc21354ddee3f1b8e93a4e4609451bfc03327107c0c79a
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXS:E1oEFlt6vghzwYu7vih9GueIh9j2IoHM
TLSH
T1D4835C578EA2CCABD800003B67FAA27C86EBBC411DDCB3968BDDCC1638D2914C95E557
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4680-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5588-9-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5780-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5780-7-0x0000000000400000-0x000000000040E000-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