blihanstealer | 0dc34028bb253d714b802f07a0d6fc82d8a51cdcf8a0e2ad92564681d3247adc

Analysis

max time kernel
149s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
03/05/2026, 10:26

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General

Target
2026-05-03_9456b994ef05c6ce5b50793b40f9af4d_elex_qilin_rhadamanthys.exe
Size 127KB
Sample260503-mgqbasft5w
SHA256 0dc34028bb253d714b802f07a0d6fc82d8a51cdcf8a0e2ad92564681d3247adc
MD5 9456b994ef05c6ce5b50793b40f9af4d
SHA1 cfc1636f86d4251df2c0dbe5094e2c3f4c354387
SHA512 e6294301173f98f96f1ca26882665366e21ef3d1d3e184c2c19bd4ec8459800ef4aa7cdcfeabe2ee9d608da436f7b29165011894bffff7fe2975d45294dc06d6
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKG:eenetV
TLSH
T1DAD3D6075EA1CCEBD800043A57FAA22D86EBBD441DECE35697DDCC4634D2918C8AEA57
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/2656-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000600000002a7e0-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2656-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1120-7-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3016-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3016	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3016	microsofthelp.exe
1120	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-1-5-21-2397528088-2630719772-1129911217-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-05-03_9456b994ef05c6ce5b50793b40f9af4d_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-05-03_9456b994ef05c6ce5b50793b40f9af4d_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	2026-05-03_9456b994ef05c6ce5b50793b40f9af4d_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 2656 wrote to memory of 3016	2656	2026-05-03_9456b994ef05c6ce5b50793b40f9af4d_elex_qilin_rhadamanthys.exe	79

C:\Users\Admin\AppData\Local\Temp\2026-05-03_9456b994ef05c6ce5b50793b40f9af4d_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-03_9456b994ef05c6ce5b50793b40f9af4d_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:2656
- 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:3016

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1120

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 128KB
SHA256 a0ba384b012d9dc667fadd72599d454deaa9f53273cbfea874b644cf6db28411
MD5 3a82074837efa866ea95fd3e97cd755a
SHA1 2fc1876a7691809ec08c6a0ed74d5287482955ff
SHA512 10e960c861b85f62ce91ddde6968d3823e033c917f61f9fdc64ba118843534c256d98d74dd90d62ae7ee5dd30641aa5f1bc72e55e7c74a29628a6c136a624b67
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKM:eenetV
TLSH
T1B5D3D6075EA1CCEBD800043A57FAA22D86EBBD441DECE35697DDCC4634D2918C8AEA57
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1120-7-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/2656-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/2656-5-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/3016-8-0x0000000000400000-0x000000000040F000-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