blihanstealer | f3508da3264ea0fca9735787d6648653c663ac56488e2cb520ef40edd3adf593

Analysis

max time kernel
149s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
16/04/2026, 01:48

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General

Target
2026-04-16_453ff6d5e3f6b36e4d492a9098331f16_elex_qilin.exe
Size 81KB
Sample260416-b8brfahs91
SHA256 f3508da3264ea0fca9735787d6648653c663ac56488e2cb520ef40edd3adf593
MD5 453ff6d5e3f6b36e4d492a9098331f16
SHA1 a773798e9bbfafb74cbd71c3057a5dd77444952b
SHA512 f640ba82190445fb3dadb7f4628dcded4709441bad2ddf8bc7ea9e0a67cc075b5a76bfa75c0f1f4f6bbefa8ac82ddc7b12102bcf87a7234c68916b9d489b620d
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hT:E1oEFlt6vghzwYu7vih9GueIh9j2IoHQ
TLSH
T17C83E54B4E65CDDBD804103EABEAA22C86E3FC451DCCF35657EEC80674C2918C99E967
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/980-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000800000002a117-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/980-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3116-8-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2672-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
2672	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
2672	microsofthelp.exe
3116	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-1-5-21-1456842261-3464001825-2855069093-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-04-16_453ff6d5e3f6b36e4d492a9098331f16_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-04-16_453ff6d5e3f6b36e4d492a9098331f16_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	2026-04-16_453ff6d5e3f6b36e4d492a9098331f16_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 980 wrote to memory of 2672	980	2026-04-16_453ff6d5e3f6b36e4d492a9098331f16_elex_qilin.exe	79

C:\Users\Admin\AppData\Local\Temp\2026-04-16_453ff6d5e3f6b36e4d492a9098331f16_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-16_453ff6d5e3f6b36e4d492a9098331f16_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:980
- 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:2672

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3116

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 81KB
SHA256 97163aed6201d1f2a4cbcd9d9a8adc0baffa1e19c35d8fcf0c4c6afce7ec64b4
MD5 0741562fb3b8c33877e6e2cd7050dd58
SHA1 18a6f65f28ec600565f3274fb19788e7b10bd81b
SHA512 5a0e1fce551f5fd49c401786dccc6b9a97029347e460191f8ddc8cdaa43d33cbffa8b64e8682d8eaec03008b509d91d8a7c608f9a8073e2fcdc72907b00569ba
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hT:E1oEFlt6vghzwYu7vih9GueIh9j2IoHw
TLSH
T1FC83E54B4E65CDDBD804103FABEAA22C86E3FC451DCCE35657EEC80674C2918C99E957
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/980-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/980-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2672-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3116-8-0x0000000000400000-0x000000000040E000-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