blihanstealer | d7cb70370fa0bee62110b67e0b759d98592b07cde66916fcae14d63e8941a82a

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
26/04/2026, 11:16

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General

Target
2026-04-26_827b35ade28a6b5bddbe419a72585247_elex_qilin.exe
Size 90KB
Sample260426-ndeaasfv7v
SHA256 d7cb70370fa0bee62110b67e0b759d98592b07cde66916fcae14d63e8941a82a
MD5 827b35ade28a6b5bddbe419a72585247
SHA1 d875da1e7c22b44b59f8e9be4822b21da1ba81f6
SHA512 af2b9b85b6b91f40b5cb9fb8b78e69af3967b3635bfe0f8a1640cafc33eb5b417e3be118c790d70e27c2ef25c07fd36b9d183e60058e481966a7658b4ffd2680
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hf:E1oEFlt6vghzwYu7vih9GueIh9j2IoH4
TLSH
T11A93D44B4E61CDDBD804103BABEAA22C86D3FC451DDCF35657EEC80674C2918C99E997
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/4396-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000e000000024266-3.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4396-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1512-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4100-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4100	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4100	microsofthelp.exe
1512	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-1-5-21-745935970-1373868228-562466063-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-04-26_827b35ade28a6b5bddbe419a72585247_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-04-26_827b35ade28a6b5bddbe419a72585247_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	2026-04-26_827b35ade28a6b5bddbe419a72585247_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 4396 wrote to memory of 4100	4396	2026-04-26_827b35ade28a6b5bddbe419a72585247_elex_qilin.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-04-26_827b35ade28a6b5bddbe419a72585247_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-26_827b35ade28a6b5bddbe419a72585247_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:4396
- 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:4100

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1512

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 91KB
SHA256 1258376db913a346c1361fd65053fce8418d136df745434fef3875ab239a5d4c
MD5 62521984738336d31641d2c36cbbd79e
SHA1 6afe04eaa339c08b777f3d6d5d6fba36a0178116
SHA512 3f1bc167598a763f880b22b02a048d6d293d03798b40e7b84998cfe559d01aab5d645d2bf261e2e88ba0c86a0f5d8a2bb3f5fffc2eca343f6f592afa3e5c3e0b
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hZ:E1oEFlt6vghzwYu7vih9GueIh9j2IoHG
TLSH
T1C093D34B4E61CDDBD804103BABEAA22C86E3FC451DDCF35657EEC80670C2918C99E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1512-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4100-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4396-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4396-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads