blihanstealer | 587bcacaa25e594742012876507752f2584282a3122bf1992f556fd3d98b24f6

Analysis

max time kernel
149s
max time network
96s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
08/06/2026, 22:03

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General

Target
2026-06-08_6930abfbcef88e9b0c782cd9019e9a8c_elex_qilin_rhadamanthys.exe
Size 118KB
Sample260608-1ye4jsfv2x
SHA256 587bcacaa25e594742012876507752f2584282a3122bf1992f556fd3d98b24f6
MD5 6930abfbcef88e9b0c782cd9019e9a8c
SHA1 1613a10c0d001bbf18e195da12174ff532ceecf6
SHA512 c95f0136dc8fc64fcad9f48784e4613e56b590fb01643000c83f4a12e80bbf729250a02c7256a9a48cf51117ce631f543274fc33c7212b9e9d7066f6d91476fa
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHC:eenk
TLSH
T1A7C3F70B6EA5C9DBC441003B5BFAB23D86ABBD441DECE35697DDC80635C2918C8AE647
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/812-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x001d00000002b289-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/812-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4740-7-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1576-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
1576	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1576	microsofthelp.exe
4740	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-1-5-21-2043432456-1617298091-2772621413-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-06-08_6930abfbcef88e9b0c782cd9019e9a8c_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-06-08_6930abfbcef88e9b0c782cd9019e9a8c_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	2026-06-08_6930abfbcef88e9b0c782cd9019e9a8c_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 812 wrote to memory of 1576	812	2026-06-08_6930abfbcef88e9b0c782cd9019e9a8c_elex_qilin_rhadamanthys.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-06-08_6930abfbcef88e9b0c782cd9019e9a8c_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-08_6930abfbcef88e9b0c782cd9019e9a8c_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:812
- 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:1576

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4740

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 118KB
SHA256 bb6c9925f22715683a8212bd949239575a485b9060b05ca5e97e827a06d5ec65
MD5 511b384e694ef53c57d16336a28978e3
SHA1 7e01fe4a925880298328d0a27cf3a4b15af37072
SHA512 29a0d69a0ad335094311e6b62171930a378b654862b2687a37be381b907898939b175efa8db15a8e7aeaf21921c619335cbe4a950b67a59ddeae169a2e201713
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHt:eenk
TLSH
T129C3F70B6EA5C9DBC441003B5BFAB23D86ABBD441DECE35697DDCC0635C2918C8AE647
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/812-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/812-5-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/1576-8-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4740-7-0x0000000000400000-0x000000000040F000-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