blihanstealer | 051780a48693c19a1f7076ec4605f82345ea277b9c21a23fc7611a3157a942c3

Analysis

max time kernel
149s
max time network
124s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/10/2026, 12:19

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General

Target
2026-10-22_59b0fc76f3f4c592a8a4b2306f5453a9_elex_qilin.exe
Size 94KB
Sample261024-phg3eshx91
SHA256 051780a48693c19a1f7076ec4605f82345ea277b9c21a23fc7611a3157a942c3
MD5 59b0fc76f3f4c592a8a4b2306f5453a9
SHA1 fcfd6ced59b01adf2028ccbcdab802739fcafb00
SHA512 8e9a319c3ba5def8d5d04e5a8f58267866693b106b2ccb0b35f4f11e8d6d6edf3f38a35d867bbc103a6c512aece30bbfc61a1d922ab31fbfe7b446cca631d17b
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh2:E1oEFlt6vghzwYu7vih9GueIh9j2IoHZ
TLSH
T1AD93B34B8F71CDDBE810143EA7AAA21C86D3FC541CCCF35A97DED84670C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion 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/3704-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000700000001b857-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3704-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5732-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1080-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
1080	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1080	microsofthelp.exe
5732	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-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-22_59b0fc76f3f4c592a8a4b2306f5453a9_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-10-22_59b0fc76f3f4c592a8a4b2306f5453a9_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	2026-10-22_59b0fc76f3f4c592a8a4b2306f5453a9_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 3704 wrote to memory of 1080	3704	2026-10-22_59b0fc76f3f4c592a8a4b2306f5453a9_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-22_59b0fc76f3f4c592a8a4b2306f5453a9_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-22_59b0fc76f3f4c592a8a4b2306f5453a9_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:3704
- 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:1080

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5732

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

Indicator Removal

T1070

File Deletion

T1070.004

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 94KB
SHA256 645842308627e9b535c4fc71998c80570b28b8e28844eab8d88d8f75b9ae7d68
MD5 133d0cdb64811d36f13448f98e0fc5c1
SHA1 3f9c9b9bb8dd5f7284c368c9c08f6fc407440946
SHA512 5256a2de54d59c22b96234cff68f64b93db827e13edeefe223806ad3f554921d22185c515c7e5a0d3e5a94ad80f821fe72990b09a1f0bea447dd2e990887ceb6
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhs:E1oEFlt6vghzwYu7vih9GueIh9j2IoH7
TLSH
T18393B34B8E71CDDBE810143EA7AAA21C86D3FC541CCCF35A97DED84670C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1080-11-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3704-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3704-7-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5732-10-0x0000000000400000-0x000000000040E000-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