blihanstealer | d177c5502950824ee7a226e1daee2f143b3305caead29490e996a44b918f7219

Analysis

max time kernel
149s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/08/2026, 00:04

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General

Target
2026-08-08_d4efe3696250100c9014ffff53cf7a45_elex_qilin_rhadamanthys.exe
Size 79KB
Sample260809-aczmysz1fs
SHA256 d177c5502950824ee7a226e1daee2f143b3305caead29490e996a44b918f7219
MD5 d4efe3696250100c9014ffff53cf7a45
SHA1 1d1cd473a622037194d9fc39988b25b76bad6772
SHA512 b212ab12d6a2210f12083f9c68596c35f6fdaef2f37896eea16d3434f836a3bf9ef910a0bf8e1c1183a2106354550f887839246b52368c860bef3e3c09e1827e
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUX+:E1oEFlt6vghzwYu7vih9GueIh9j2IoHc
TLSH
T1D0835B579EA2CCABD800003B67FAA27C86EBBC411DECB3968BDDCC1634D2914C95E557
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/2764-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000b000000016cdf-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2764-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1220-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/852-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
852	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
852	microsofthelp.exe
1220	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-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-08_d4efe3696250100c9014ffff53cf7a45_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-08_d4efe3696250100c9014ffff53cf7a45_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	2026-08-08_d4efe3696250100c9014ffff53cf7a45_elex_qilin_rhadamanthys.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 852	2764	2026-08-08_d4efe3696250100c9014ffff53cf7a45_elex_qilin_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-08_d4efe3696250100c9014ffff53cf7a45_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_d4efe3696250100c9014ffff53cf7a45_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:2764
- 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:852

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1220

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 759512345b7cb22cafe84f64c0d0b33e0e18b30abbf6c056a17a742d8301db48
MD5 ab318ba428b88589e30e6a7192f0fb7f
SHA1 982080d3dcb9669f74d57ecba37ee9406abd68b1
SHA512 a98905bee1d5cbbb6bf3486bb4111e2f0ede5d126ec4ebb0d9f3c419e781babfb4ae4d052e9f9d1fa0aa0d4d8bb96699a7cd90f3ad1b5b415bb58e5f1758e611
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXq:E1oEFlt6vghzwYu7vih9GueIh9j2IoHI
TLSH
T130835B579EA2CCABD800003B67FAA27C86EBBC411DECB3968BDDCC1634D2914C95E557
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/852-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/1220-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/2764-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/2764-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads