blihanstealer | 6670ff5e5f93b89e162eb7771513eb28d9122194898112a9a1e8661a62473f51

Analysis

max time kernel
149s
max time network
146s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 10:24

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General

Target
2026-08-02_f5ac6cf8f3e63c66c4893263c68c56a7_elex_qilin.exe
Size 96KB
Sample260802-mfm5jsgp3s
SHA256 6670ff5e5f93b89e162eb7771513eb28d9122194898112a9a1e8661a62473f51
MD5 f5ac6cf8f3e63c66c4893263c68c56a7
SHA1 985ccdc379aa4045ce88ce7d780d5c568a123710
SHA512 9214a989c05f2a41fb085c98fa0b636daa03c03692e329562292b7e9cc58300bbcd6240ba1de8d533c9e8b474597b6ee59830bc6934ce46f49bd3c06b09bc80a
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhS:E6t
TLSH
T17FA3B44B4E71CDDBE810143E97EAA21C86D3FC441CDCF35A96EED84670C291C889E9A7
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/2420-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a000000011390-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2420-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3384-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/724-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
724	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
724	microsofthelp.exe
3384	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-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-02_f5ac6cf8f3e63c66c4893263c68c56a7_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-02_f5ac6cf8f3e63c66c4893263c68c56a7_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	2026-08-02_f5ac6cf8f3e63c66c4893263c68c56a7_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 2420 wrote to memory of 724	2420	2026-08-02_f5ac6cf8f3e63c66c4893263c68c56a7_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-02_f5ac6cf8f3e63c66c4893263c68c56a7_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_f5ac6cf8f3e63c66c4893263c68c56a7_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:2420
- 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:724

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3384

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 1464da510004381c0e20754f1f0b451abffa22e589fcc92fc13fffb1f94c8be5
MD5 fe1c04daf37e67114d8641a8caba3cc7
SHA1 ceb4191d04ffd765f7980dfc620b2ab2870fed88
SHA512 eed76875d230e01b0b4f693142df5c91f31027556cc484ce7753a958df3197164986760e3c4a47c7dbe86f1e615200dcc72b8bfc351bff8d9b01eef20d7a6c45
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhv:E6t
TLSH
T1BFA3B44B4E71CDDBE810143E97EAA21C86D3FC541CCCF35A96EED84670C291C889E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/724-11-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2420-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2420-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3384-10-0x0000000000400000-0x000000000040E000-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