blihanstealer | 87a02338bffa04515b01d3593fc137defa606b4adefd23b3695ade60fc52a04c

Analysis

max time kernel
149s
max time network
144s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
29/10/2026, 22:56

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General

Target
2026-10-28_998f276f64826608037d02754fd2cf5a_elex_qilin_rhadamanthys.exe
Size 88KB
Sample261029-2w5f4acf62
SHA256 87a02338bffa04515b01d3593fc137defa606b4adefd23b3695ade60fc52a04c
MD5 998f276f64826608037d02754fd2cf5a
SHA1 a2bf33f71f61599f1e6ef10b55bd27b1dc2d460f
SHA512 80f36c2cf29f90fb3ee8c79d0f629d26dabf53db839f00e2826f0c89e4f335d14429ac74601f61792b7ac0b72e7392163b7ab368ce38fb168a5961d089600c98
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXE:E1oEFlt6vghzwYu7vih9GueIh9j2IoHK
TLSH
T111933A5B8AA2CCEBD810003B57EAA27C86EBFC411DDCE3968BDDC81634D2918C95E557
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/3824-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000e00000001b319-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3824-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/252-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1776-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
1776	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1776	microsofthelp.exe
252	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-1-5-21-4057491610-3392471755-192832105-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-28_998f276f64826608037d02754fd2cf5a_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	2026-10-28_998f276f64826608037d02754fd2cf5a_elex_qilin_rhadamanthys.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	2026-10-28_998f276f64826608037d02754fd2cf5a_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 3824 wrote to memory of 1776	3824	2026-10-28_998f276f64826608037d02754fd2cf5a_elex_qilin_rhadamanthys.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-10-28_998f276f64826608037d02754fd2cf5a_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-28_998f276f64826608037d02754fd2cf5a_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:3824
- 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:1776

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:252

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 88KB
SHA256 2f07053bec1a39a60bf9ac63524b9f972a4337a6dee13c861fe307c259ae8ccf
MD5 81add560fb055619708da0f41572e548
SHA1 3b043ea562920af8477fc9f2098a39a58780e5ae
SHA512 47d4d8fa7dd1b46a17eb8b29f1ad894f136ab0f2e66bcd98287ba736f3bf6902a756e981ba2b87801bf309253a425f61bc6437b6d5172a213f4e9ec552d72ee2
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXw:E1oEFlt6vghzwYu7vih9GueIh9j2IoHO
TLSH
T1F7933A5B8AA2CCEBD800003B57EAA27C86EBFC511DDCA3968BDDC81634D2918C95E557
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/252-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1776-11-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3824-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3824-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads