blihanstealer | ffb3d7917eb0adb3b584dd762b08f4590912d5b41ccbb4f511cc7342850b0875

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/08/2026, 08:42

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General

Target
2026-08-08_dff6ab8f7da8d8b726a9c7827768e4b6_elex_qilin_rhadamanthys.exe
Size 81KB
Sample260808-kmbc8atbka
SHA256 ffb3d7917eb0adb3b584dd762b08f4590912d5b41ccbb4f511cc7342850b0875
MD5 dff6ab8f7da8d8b726a9c7827768e4b6
SHA1 af011f0d161e45c9565bd02e3cbe3f06a8e69b14
SHA512 6ab850a3198c84b7c95bdb10afa7dd2db2342ff7cd7f87650b019d417a4e58811bbcb1df9c9b0bf7f905867f2289146db6c54ed3cc77bfe0efa44388e7950d9f
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXF:E1oEFlt6vghzwYu7vih9GueIh9j2IoHz
TLSH
T10D834B579EA2C8EBD800003B67FAA27C86EBBC411DECB3968BDDCC1634D2914C95E557
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/4360-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0008000000016cfd-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4360-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1156-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/6012-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
6012	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
6012	microsofthelp.exe
1156	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-1-5-21-3611646547-550105268-947503007-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-08_dff6ab8f7da8d8b726a9c7827768e4b6_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-08_dff6ab8f7da8d8b726a9c7827768e4b6_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	2026-08-08_dff6ab8f7da8d8b726a9c7827768e4b6_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 4360 wrote to memory of 6012	4360	2026-08-08_dff6ab8f7da8d8b726a9c7827768e4b6_elex_qilin_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-08_dff6ab8f7da8d8b726a9c7827768e4b6_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_dff6ab8f7da8d8b726a9c7827768e4b6_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:4360
- 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:6012

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1156

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 81KB
SHA256 00bc231ac4c3d7c62fcc7d7f5c04e6363e3cfd72d57c4392c0c4604798e26ca9
MD5 782e3b36bde8c4ef7eb9efcbe7c6d8bf
SHA1 23bd92b49bc988e778d1e6abeee93937304ca2a1
SHA512 ef3745e752fc6364d31b6ffb8ff5ebbdff6dea22c58ddb02b642cd4dea116349f3250043c1d54c62090b4b35d6bf98ddcf71829330f7a2c4bf5ec971946edfca
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXz:E1oEFlt6vghzwYu7vih9GueIh9j2IoH9
TLSH
T195834B578AA2C8EBD800003B67FAA67C86EBBC411DECF3968BDDCC1634D2914C95E557
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1156-9-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4360-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4360-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/6012-10-0x0000000000400000-0x000000000040E000-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