blihanstealer | 9e128dd05e6de6b286976e97da99ca879aaf07e0faa2c6a6f2b7d9c044757e12

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
29/09/2026, 13:11

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General

Target
2026-09-29_fca335f3bbc406da14daadf500607448_elex_qilin_rhadamanthys.exe
Size 83KB
Sample260929-qfbcja11fs
SHA256 9e128dd05e6de6b286976e97da99ca879aaf07e0faa2c6a6f2b7d9c044757e12
MD5 fca335f3bbc406da14daadf500607448
SHA1 a255efd8919af9c38e396bf06832ce0119896c5f
SHA512 aa4e7ea7cd513a9fa0b0056405ca9e020e1123ac2ca5c37fbefb864baf41ea75b24170b1744ddb2e0f506b8e99749ccb62e394a67f4e7c760ddb28bb45f16c3e
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUX8:E1oEFlt6vghzwYu7vih9GueIh9j2IoHi
TLSH
T17A834B578AA2CCEBD800003B67FAA67C86EBBC411DECB3968BDDCC1634D2914C95E557
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/1856-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x00070000000113bc-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1856-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2404-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/6140-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
6140	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
6140	microsofthelp.exe
2404	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-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-09-29_fca335f3bbc406da14daadf500607448_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-09-29_fca335f3bbc406da14daadf500607448_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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-29_fca335f3bbc406da14daadf500607448_elex_qilin_rhadamanthys.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 6140	1856	2026-09-29_fca335f3bbc406da14daadf500607448_elex_qilin_rhadamanthys.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-09-29_fca335f3bbc406da14daadf500607448_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-29_fca335f3bbc406da14daadf500607448_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:1856
- 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:6140

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2404

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 83KB
SHA256 7b345ef9eb480f309eef6d379308e91bba1130e65cd5188b55fb0fcbf5ded748
MD5 411668f63b0f11f9cc2121f0ba04f507
SHA1 3cbfa954b73e63d01bb9242797e2ca0b6d35995b
SHA512 5a2985a7ae1c65970215e6965ac0928cdc71902915b33ba0a95759ece71885b033bc447e04f3e472da2025e7c8217d294ff17529f2f239373164d1326f4fb8d1
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXl:E1oEFlt6vghzwYu7vih9GueIh9j2IoH3
TLSH
T179834A578AA2CCEBD800003B67FAA67C86EBBC411DECB3968BDDCC1634D2914C95E557
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1856-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1856-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2404-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/6140-11-0x0000000000400000-0x000000000040E000-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