blihanstealer | 99a075008e2c2aa5eb76f13f57b0cbe7073f1d0b53e98109f6a25d177a2ee1e6

Analysis

max time kernel
150s
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
06/08/2026, 09:02

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General

Target
2026-08-06_b9e09a051bc25927c0fb27211e3fee79_elex_qilin_rhadamanthys.exe
Size 80KB
Sample260806-kzvbvsgn6v
SHA256 99a075008e2c2aa5eb76f13f57b0cbe7073f1d0b53e98109f6a25d177a2ee1e6
MD5 b9e09a051bc25927c0fb27211e3fee79
SHA1 e06d245ed54c0eed96c981624eb04a7375a5ced8
SHA512 88dda50e61a0ed020dd9ca48eb590a642b6c976e9a7824b7ec5be84229d1d783a17d80b8b75a870148f4d5ef64eb5552e18d3e9043dd493866219b5934d60cbb
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXi:E1oEFlt6vghzwYu7vih9GueIh9j2IoHs
TLSH
T17F834B578EA2CCABD800003B67FAA27C86EBBC411DDCB3968BDDCC1634D2914C95E557
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/3284-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3284-5-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000900000001b1c8-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5872-8-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4260-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4260	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4260	microsofthelp.exe
5872	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-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-06_b9e09a051bc25927c0fb27211e3fee79_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-06_b9e09a051bc25927c0fb27211e3fee79_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	2026-08-06_b9e09a051bc25927c0fb27211e3fee79_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 3284 wrote to memory of 4260	3284	2026-08-06_b9e09a051bc25927c0fb27211e3fee79_elex_qilin_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-06_b9e09a051bc25927c0fb27211e3fee79_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-06_b9e09a051bc25927c0fb27211e3fee79_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:3284
- 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:4260

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5872

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 88feb7877ed44fa76fbfe2275bfa0c4eb13ea7d7bec31da1dfa16cdf404de50f
MD5 c380f55129696b3bbd270079e5fe807c
SHA1 13b296039099f601e8c3977181219fac0660a7b8
SHA512 2054acebe8254c369e456fad6371dc054dfc0717507c363c5acb55ec85c4192001e16eeb30d9fad7135db5ebae478c5d30ed5dbf6340042b1442f3ac0c336b82
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUX7:E1oEFlt6vghzwYu7vih9GueIh9j2IoHh
TLSH
T183834B578AA2CCABD800003B67FAA27C86EBBD411DECB3968BDDCC1634D2914C95E557
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3284-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3284-5-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4260-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5872-8-0x0000000000400000-0x000000000040E000-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