blihanstealer | f6e93cc5dc5793f81cf5c6bc170b8599103d25c8168aee0bc9a52afcd420878f

Analysis

max time kernel
149s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/10/2026, 12:12

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General

Target
2026-10-01_71e10cd4cda82b8fa862bdf135aa523a_elex_qilin.exe
Size 97KB
Sample261002-pdbpva1alg
SHA256 f6e93cc5dc5793f81cf5c6bc170b8599103d25c8168aee0bc9a52afcd420878f
MD5 71e10cd4cda82b8fa862bdf135aa523a
SHA1 11ed4761d43e1f226c77d2787793669ad338414c
SHA512 4103eabaa9ef911adaf81bb03f5129bc300dbfc64c70e4f713e439e055fa194bd85731e352e709a7b8a4d7689d42e5dd0b2eaf362b19189c65c48fe3b8c7677c
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhl:E6
TLSH
T10CA3A34B4E71CDDBE810143E9BAAA21C86D3FC541CDCF35A97DED84270C291C899E967
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/2504-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000800000001138c-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2504-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4460-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2376-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
2376	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
2376	microsofthelp.exe
4460	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-1-5-21-1404337215-1550464601-2805570857-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-01_71e10cd4cda82b8fa862bdf135aa523a_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-10-01_71e10cd4cda82b8fa862bdf135aa523a_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	2026-10-01_71e10cd4cda82b8fa862bdf135aa523a_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 2504 wrote to memory of 2376	2504	2026-10-01_71e10cd4cda82b8fa862bdf135aa523a_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-01_71e10cd4cda82b8fa862bdf135aa523a_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-01_71e10cd4cda82b8fa862bdf135aa523a_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:2504
- 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:2376

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4460

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 97KB
SHA256 e2a8489443e86bcda19652adcc79e5aeb15c3de0c6dcf3f6c9dcdf09ce6efd3b
MD5 661d249f2ec7e50b4bfb812da33666f8
SHA1 90442f39cb2c83f26f1254363804fd4a21374bfc
SHA512 5d5e44eca166606e15735efeda5ca8beff2abac1d4281ebfc969fb6def8727154994023c5e900464a55e8427ffe5e517d61829b615bd4840fb1f6b01b8c393cd
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhR:E6
TLSH
T135A3B34B4E71CDDBE810143E9BAAA21C86D3FC541CDCF35A97EED84270C291C899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2376-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2504-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2504-7-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4460-9-0x0000000000400000-0x000000000040E000-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