blihanstealer | bfb012f6d49e57a53691b7e01cd3ae6f2dfce7159272b1469741916e511ce367

Analysis

max time kernel
150s
max time network
142s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 09:22

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General

Target
2026-08-03_dbf592a64fd5f28b64c56da06c547c66_elex_qilin.exe
Size 98KB
Sample260804-lb5clagg49
SHA256 bfb012f6d49e57a53691b7e01cd3ae6f2dfce7159272b1469741916e511ce367
MD5 dbf592a64fd5f28b64c56da06c547c66
SHA1 fe016d60552ec3e9176135d811256685761b9e61
SHA512 b5c4301d539e9a09d19b49554e8cc528acc81b6e67c1b75fb4f93c21bd35678ee8bd66a370c4cdd87d686bc568daccf815ffdbbb407f9a05d375c077e28558d3
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDt:Eo
TLSH
T138A3B24B4E65CEDFD804103A9BEAA21C86E3FC452DDCF35957EEC80660C2918C99E997
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/2080-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0011000000019cbf-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2080-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1496-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5000-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5000	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5000	microsofthelp.exe
1496	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-1-5-21-189034102-168398478-1159367937-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-03_dbf592a64fd5f28b64c56da06c547c66_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-03_dbf592a64fd5f28b64c56da06c547c66_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	2026-08-03_dbf592a64fd5f28b64c56da06c547c66_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 2080 wrote to memory of 5000	2080	2026-08-03_dbf592a64fd5f28b64c56da06c547c66_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-03_dbf592a64fd5f28b64c56da06c547c66_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_dbf592a64fd5f28b64c56da06c547c66_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:2080
- 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:5000

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1496

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 99KB
SHA256 18e75da7cb8017002efb44055adfaab439ad923db2a4b1e2f6b932b7912797f0
MD5 23b17417e77e2420021adb0e19799a60
SHA1 6545efb280b3ecfae043af5830fefae6e1b8cdd8
SHA512 8b03ebba36bdd7f64ab71f4890bd3f8227224ca740f9d940842e8c19460c2436ba6aaacf3538a8c7fe486d70d29176dc9bc43ebe019af6ce9653fe1912dfdb14
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDy:Eo
TLSH
T190A3B24B4E65CEDFD804103B9BEAA21C86E3FC452DDCF35957EEC80660C2918C99E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1496-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/2080-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/2080-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5000-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads