blihanstealer | b7aec1712a8c1320a6322a2898bab316bca82dc35ba2fe36b8bafeb4e522e47e

Analysis

max time kernel
149s
max time network
135s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/07/2026, 09:11

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General

Target
2026-07-24_88b077908ed380195b28ba822c62e720_elex_qilin.exe
Size 97KB
Sample260724-k5xzyabl21
SHA256 b7aec1712a8c1320a6322a2898bab316bca82dc35ba2fe36b8bafeb4e522e47e
MD5 88b077908ed380195b28ba822c62e720
SHA1 356767b3462779f8934e794a3d3b8b64bd71255f
SHA512 29e87308d41834d07750e4985757f5a2fba90594569b23f7e2b7b0b0b66c0630eda1d7ccc6a1aaae5c89cbf97ca1dd26621aa6d485370e9e1f089b3adc544236
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDz:Eo
TLSH
T128A3C34B4EA5CEDBD804103B9BEAA21C86E3FC451DCCF35957EEC80664C2918C99E997
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/3184-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000b000000011377-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3184-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5924-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5420-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5420	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5420	microsofthelp.exe
5924	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"	2026-07-24_88b077908ed380195b28ba822c62e720_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-07-24_88b077908ed380195b28ba822c62e720_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	2026-07-24_88b077908ed380195b28ba822c62e720_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 3184 wrote to memory of 5420	3184	2026-07-24_88b077908ed380195b28ba822c62e720_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-24_88b077908ed380195b28ba822c62e720_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-24_88b077908ed380195b28ba822c62e720_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:3184
- 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:5420

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5924

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 54d89170bf57c47a7173e43ed94ac353e627540320ceee48ae18288973b379e2
MD5 ee7283973e7d6924c4365db16c907319
SHA1 3ab4034081202709be20c9a78aca08a92cb34979
SHA512 4773a6f664ecc366e6d7f647e5d5b71ada5d95e15850632feb500b5534da15445d1b40726698b0ddd6d6c27378949965b061784435bf511f862aa3a915e28435
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDj:Eo
TLSH
T17DA3C34B4EA5CEDBD804103B9BEAB21C86E3FC451DCCF35957EEC80664C2918C99E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3184-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3184-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5420-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5924-9-0x0000000000400000-0x000000000040E000-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