blihanstealer | c2108ec439667b571c5a4da32db6d2b4508ba37cc417d86cd99a6de386f4661c

Analysis

max time kernel
149s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
26/08/2026, 09:05

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General

Target
2026-08-25_cc7d0b4310e593f42c5cf922f1e5df84_elex_qilin_rhadamanthys.exe
Size 83KB
Sample260826-k187easyct
SHA256 c2108ec439667b571c5a4da32db6d2b4508ba37cc417d86cd99a6de386f4661c
MD5 cc7d0b4310e593f42c5cf922f1e5df84
SHA1 a5536ba8cc8cc18c572e8adf36a4e1082090643d
SHA512 88e787fbb5126f40331ece791d72eb4ea767300c1053efbad374b72f30bb6bb2062b49e68616bf70b194588a2d0c69834aac2aac90980c32a677053791b9acbb
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXy:E1oEFlt6vghzwYu7vih9GueIh9j2IoHU
TLSH
T1F2834B5B8EA2CCEBD800003B67FAA27C86EBBD411DDCB3968BDDC81634D2914C95E557
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/3116-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000f00000001b1d0-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3116-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3192-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4620-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4620	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4620	microsofthelp.exe
3192	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-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-25_cc7d0b4310e593f42c5cf922f1e5df84_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-25_cc7d0b4310e593f42c5cf922f1e5df84_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	2026-08-25_cc7d0b4310e593f42c5cf922f1e5df84_elex_qilin_rhadamanthys.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3116 wrote to memory of 4620	3116	2026-08-25_cc7d0b4310e593f42c5cf922f1e5df84_elex_qilin_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-25_cc7d0b4310e593f42c5cf922f1e5df84_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-25_cc7d0b4310e593f42c5cf922f1e5df84_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:3116
- 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:4620

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3192

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 83KB
SHA256 76cf4eb8300512cb739d9e90c606f8d351cfffb93f4ec09bb90b8f283fc04aa5
MD5 9b23d4583c2fe5cc49868865d330debd
SHA1 3bd85439d050e3a2333aa365f7b23a601e3bfe6e
SHA512 557d70bbd3e0020e7b4774e83c52d26a475673201af1c184cc9da45eab5d2eb8ac073189599dd5d5ca7529ff80d996535d18180ad2fedbb6f299aba8bd827e76
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUX2:E1oEFlt6vghzwYu7vih9GueIh9j2IoHU
TLSH
T111834B5B8AA2CCEBD800003B67FAA27C86EBBD411DDCB3968BDDC81634D2914C95E557
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3116-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3116-7-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3192-9-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4620-10-0x0000000000400000-0x000000000040E000-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