blihanstealer | f77339c97887f234b99179afc55b574ed2d7c71930a35e8b04c205276c33bda6

Analysis

max time kernel
149s
max time network
123s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
22/10/2026, 17:04

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General

Target
2026-10-21_932c5e1b502f075e87eb8701ecf9d8a8_elex_qilin_rhadamanthys.exe
Size 86KB
Sample261022-vlaqeaag83
SHA256 f77339c97887f234b99179afc55b574ed2d7c71930a35e8b04c205276c33bda6
MD5 932c5e1b502f075e87eb8701ecf9d8a8
SHA1 6c51b5fa141f4b5735afc227a12086da87020e77
SHA512 f5959d4aec9bdd6ab9bc8ec30b03c20a2b1a552de3dc77f36e0744a0dbcba002c47714cb7a89e035b362028ed4b52f9e4a1833c3fde3ec63995af4554b90df8c
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXF:E1oEFlt6vghzwYu7vih9GueIh9j2IoH3
TLSH
T177933A5B8AA2CCEBD800003B57AAA67C86EBFC411DDCE3968BDDC81634D2918C95E557
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/5368-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x00160000000115ad-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5368-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2072-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/944-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
944	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
944	microsofthelp.exe
2072	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-1-5-21-560646293-820748483-2532804640-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-21_932c5e1b502f075e87eb8701ecf9d8a8_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-10-21_932c5e1b502f075e87eb8701ecf9d8a8_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	2026-10-21_932c5e1b502f075e87eb8701ecf9d8a8_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 5368 wrote to memory of 944	5368	2026-10-21_932c5e1b502f075e87eb8701ecf9d8a8_elex_qilin_rhadamanthys.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-10-21_932c5e1b502f075e87eb8701ecf9d8a8_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-21_932c5e1b502f075e87eb8701ecf9d8a8_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:5368
- 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:944

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2072

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 87KB
SHA256 598d002dd4e2a5b42b356bc5a547ddbceac9330cc730d92ab8c5d8dcb464e333
MD5 bbc097470b876079d2f08802a98a2799
SHA1 4f3e8747a5c39919291e6090b2f1762f234d61f1
SHA512 ec5d23001e7d6c0d3aa6f9f3a631c80bcdcfa33a6b875d5d9c70fbd797deb3aef71bd5579cb25ac8fea1183bb03f0249a2cafdc06b27f58d8730c83fd0a9b525
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXb:E1oEFlt6vghzwYu7vih9GueIh9j2IoHl
TLSH
T142933A5B8AA2CCEBD800003B57EAA27C86EBFC411DDCE3968BDDC81634D2918C95E557
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/944-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/2072-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5368-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5368-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads