blihanstealer | 0f544b8d002ac966ddc6e7b9cf5f66b9b90f14b659238d8f3a9c737a53948716

Analysis

max time kernel
149s
max time network
117s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
19/08/2026, 22:18

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General

Target
2026-08-19_a5d97dfcd3e827310d6d0702a4d9ab52_elex_qilin.exe
Size 96KB
Sample260819-174hhavbrf
SHA256 0f544b8d002ac966ddc6e7b9cf5f66b9b90f14b659238d8f3a9c737a53948716
MD5 a5d97dfcd3e827310d6d0702a4d9ab52
SHA1 148bab3556ea6b91c33bf54bda3670a6ab1c3bb3
SHA512 3676d857be9642f4095fb28175e29afb4a13a592315f2427f22ae68fc606623be3a4823ba6640f07095ce06bbdf52c419cc24065e9b48c4cfdc010e7a821c89f
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhS:E6
TLSH
T148A3B34B8E71CDDBE804143EABEAA21C86D3FC541CDCF35697DEC84670C2918899E967
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/4920-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000c00000001b87d-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4920-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/572-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/6052-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
6052	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
6052	microsofthelp.exe
572	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-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-19_a5d97dfcd3e827310d6d0702a4d9ab52_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-19_a5d97dfcd3e827310d6d0702a4d9ab52_elex_qilin.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	2026-08-19_a5d97dfcd3e827310d6d0702a4d9ab52_elex_qilin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 6052	4920	2026-08-19_a5d97dfcd3e827310d6d0702a4d9ab52_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-19_a5d97dfcd3e827310d6d0702a4d9ab52_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_a5d97dfcd3e827310d6d0702a4d9ab52_elex_qilin.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4920
- 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:6052

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:572

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 97KB
SHA256 0cba03e6be124752c920865acf8100d3556a9e04dae258d5dc7b82bd2830022a
MD5 0437e55af32fe452a4847cfc952adc2d
SHA1 749c766bdf4bc37efc4c0ed52ab7bd55e6b4a899
SHA512 5cf4e2a14fabe2db53c31e0a9487d4bc92b712083c8be630bc82ce33d62ce566fc724ef53b9b887ab61e1dc7e22964a7df4ab9b3aa65bc609c4abaf7965cf9c2
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhP:E6
TLSH
T1F0A3B34B8E71CDDBE804143EABEAA21C86D3FC541CDCF35697DEC84670C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/572-9-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4920-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4920-7-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/6052-10-0x0000000000400000-0x000000000040E000-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