blihanstealer | 62dde9edf6940a68d04bd1fbf0555ad295d0b432d5121eb6e0190e3c8a6f4705

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
20/08/2026, 05:10

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General

Target
2026-08-20_e855e5f54b4f237e24828d478c166e63_elex_qilin.exe
Size 96KB
Sample260820-ft8j3szdnd
SHA256 62dde9edf6940a68d04bd1fbf0555ad295d0b432d5121eb6e0190e3c8a6f4705
MD5 e855e5f54b4f237e24828d478c166e63
SHA1 ecdd718051585a2960870c92c844ee65454f41a6
SHA512 951c29aadd84e41664520965def89194d9de8aeb6f6560a0255c2f61022c6259445d86fa3b7a5168de9f5fa7e437e7d74217c22f6f338a407f5ec0896676d9ca
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhP:E6t
TLSH
T17AA3B24B4F71CDDBE810143E97AAA21C86D3FC541CCCF35A96EED84670C291C899E9A7
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
behavioral1/memory/3804-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000b0000000242ee-3.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/3804-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4068-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/3428-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3428	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3428	microsofthelp.exe
4068	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-1-5-21-1788976790-1541110888-1636651838-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-20_e855e5f54b4f237e24828d478c166e63_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-20_e855e5f54b4f237e24828d478c166e63_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	2026-08-20_e855e5f54b4f237e24828d478c166e63_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 3804 wrote to memory of 3428	3804	2026-08-20_e855e5f54b4f237e24828d478c166e63_elex_qilin.exe	84

C:\Users\Admin\AppData\Local\Temp\2026-08-20_e855e5f54b4f237e24828d478c166e63_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_e855e5f54b4f237e24828d478c166e63_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:3804
- 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:3428

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4068

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 96KB
SHA256 4cfc531c279c781250ce6266be785d84a4eff2469c846da226f2431992876c49
MD5 199c1ec169f29e84851b710dfc986bbb
SHA1 7ba2ab3106ad9dfad746b9e625941a1440fb8da7
SHA512 553e46c55a54c3cd3d5ccb3657d56e7e3901ec2f50d399c87b5c876a7a68bb91313705511c673143edd9e38a330ec18a2f1da2ddb8a0f4da8c8b03537809d4f1
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhz:E6t
TLSH
T1E9A3A34B4F71CDDBE810143E97AAA21C86D3FC541CCCF35A96EED84670C2918C99E9A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3428-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3804-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3804-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4068-9-0x0000000000400000-0x000000000040E000-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