blihanstealer | d6dee3135750325f526226d4061ec566901eab4b3c5b78fbccf92ba50b8f1810

Analysis

max time kernel
149s
max time network
124s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/10/2026, 23:10

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General

Target
2026-10-15_f2ec8d22a20cac933aed0397db5858af_elex_qilin_rhadamanthys.exe
Size 128KB
Sample261015-25rxcsd161
SHA256 d6dee3135750325f526226d4061ec566901eab4b3c5b78fbccf92ba50b8f1810
MD5 f2ec8d22a20cac933aed0397db5858af
SHA1 3a3ab2778eb29ee5940ea2d28681ea9c330c9791
SHA512 605afdddb190aa89f8aaf53d57d86b8ceb73ef6b87e3ede91301e3b62c38fe9057ce1a4ef016b039f163e8a399d52424f5cb261f60d3ef407ac417e2dccf6c8b
SSDEEP 3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hK5:W9nu
TLSH
T169D3E6075FA1CCEBD850043A57FAA22D86EBBC440DECE35687DDCC4634D2918C9AEA57
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/3128-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x001800000001c4dc-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3128-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4772-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5092-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
5092	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5092	microsofthelp.exe
4772	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-1-5-21-650287814-2715975232-1279715623-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-15_f2ec8d22a20cac933aed0397db5858af_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-10-15_f2ec8d22a20cac933aed0397db5858af_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	2026-10-15_f2ec8d22a20cac933aed0397db5858af_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 3128 wrote to memory of 5092	3128	2026-10-15_f2ec8d22a20cac933aed0397db5858af_elex_qilin_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-15_f2ec8d22a20cac933aed0397db5858af_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-15_f2ec8d22a20cac933aed0397db5858af_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:3128
- 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:5092

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4772

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 128KB
SHA256 76ff5dd8a00b79774e71f0d4e86e57496325e0e5a407fddd8c243617cab56266
MD5 66e5334c0c2c4aa997ffa3988fe8e733
SHA1 f4a60089733ec53a2130545db6e5b20fde1f5fa7
SHA512 dcf1e9afb6604b19a545d8f7b39780fd29f540ce1b8bfebc1aa38374dac398d1e8f481dd1bfc7428bc3583d104f54e4797ce912660149864f802bc790151ce92
SSDEEP 3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKq:W9nu
TLSH
T18ED3E6075FA1CCEBD840043A57FAA22D86EBBC440DECE35687DDCC4634C2918C9AEA57
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3128-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/3128-5-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/4772-8-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/5092-9-0x0000000000400000-0x000000000040F000-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