blihanstealer | e69f2d0a639e0d8251dbe0532766bf623d773efdd3d25c0020e7122c5dd51396

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
04/08/2026, 15:32

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General

Target
2026-08-04_66474ae6c9b8f01abf74bee19b38c77c_elex_qilin_rhadamanthys.exe
Size 79KB
Sample260804-sysqmshm9y
SHA256 e69f2d0a639e0d8251dbe0532766bf623d773efdd3d25c0020e7122c5dd51396
MD5 66474ae6c9b8f01abf74bee19b38c77c
SHA1 2d5387ed5742efb4e1060cb4a80cb2aa9a8da0e3
SHA512 a8b60894c65b9d55d1179dc71a62cc95a40e708af21f8ddbaba6481fc0d9e4e1060d2a2975c67e5777a40195f00492f20a00cebb824ff71790135cf0e72f78ea
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUX7:E1oEFlt6vghzwYu7vih9GueIh9j2IoHd
TLSH
T17B835B5B4EA2CCEBD800003B67FAA67C86EBBC411DE8B3968BDDCC1634D2914C95E557
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
behavioral1/memory/4720-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000e0000000231e4-3.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4720-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1356-8-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4792-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4792	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4792	microsofthelp.exe
1356	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-1-5-21-3053180483-1881419501-3594244048-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-04_66474ae6c9b8f01abf74bee19b38c77c_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-04_66474ae6c9b8f01abf74bee19b38c77c_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	2026-08-04_66474ae6c9b8f01abf74bee19b38c77c_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 4720 wrote to memory of 4792	4720	2026-08-04_66474ae6c9b8f01abf74bee19b38c77c_elex_qilin_rhadamanthys.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-08-04_66474ae6c9b8f01abf74bee19b38c77c_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-04_66474ae6c9b8f01abf74bee19b38c77c_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:4720
- 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:4792

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1356

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 80KB
SHA256 d686b868bf01a98e42e35d6e64124804ef88dcd37f6905eb90085b2ce8c9bbfe
MD5 5d52cf8aa165a9a446ca6b1cb2aca07e
SHA1 47e8213a4e618c6b2d2c6fa97e21cbf206f141c1
SHA512 ee38db06246ee8820e35ae92a088494a533fcb4d43f02c022d905e188179cc1f6948cb8d92e744b67bf45319dd788b77818c4105d5cbfab187e92ad2c8d09f61
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXx:E1oEFlt6vghzwYu7vih9GueIh9j2IoHb
TLSH
T119835B574EA2CCEBD800003B67FAA67C86EBBC411DE8B3968BDDCC1634D2914C95E557
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1356-8-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4720-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4720-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4792-9-0x0000000000400000-0x000000000040E000-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