blihanstealer | cb82946cd165c02bbcb2a22223e5e13266a9a9815485ef7493f96aae77e913b7

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/08/2026, 10:04

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General

Target
2026-08-09_7a1e3a0521253e9ccda18c781280f071_elex_qilin.exe
Size 97KB
Sample260809-l4cs2syxe1
SHA256 cb82946cd165c02bbcb2a22223e5e13266a9a9815485ef7493f96aae77e913b7
MD5 7a1e3a0521253e9ccda18c781280f071
SHA1 fa0a28a5eb029551c41e1dbcbeb993d7597dbff9
SHA512 a455bbc2ebc58180dd3106affceb3ded1d61ee91fb205bbf6e65bb291a78ffa73ed4aa7fd971a83fdb44ef4ebff8c8b61c0afb3ba55f23b552359131ac283bbe
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhY:E6
TLSH
T16BA3B34B8F71CDDBE810143EABAAA11C86D3FC541CCCF35A97DED84670C2918899E967
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/5432-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000700000001b83c-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5432-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5944-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/904-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
904	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
904	microsofthelp.exe
5944	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-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-09_7a1e3a0521253e9ccda18c781280f071_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-09_7a1e3a0521253e9ccda18c781280f071_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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-09_7a1e3a0521253e9ccda18c781280f071_elex_qilin.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5432 wrote to memory of 904	5432	2026-08-09_7a1e3a0521253e9ccda18c781280f071_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-09_7a1e3a0521253e9ccda18c781280f071_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-09_7a1e3a0521253e9ccda18c781280f071_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:5432
- 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:904

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5944

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 97KB
SHA256 5ed8f0964aac0336f1bdcfc5f8d3997448b77523b09b15030f567f981ea16a77
MD5 e08e4347687130c5c658522015b8a717
SHA1 ec90706b2ea49e19017310cc3347af62bc146e34
SHA512 5a61a61da33cb60661c44339ea3ba523d399245d0e27314e9049d3b14c552fd50c07c48abe3d0d6636eb380f331d9b2e8878d6d815562ae9f471ec91a03a197c
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhi:E6
TLSH
T169A3B34B8F71CDDBE810143EABAAA11C86D3FC541CCCF35A97DED84670C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/904-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5432-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5432-7-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5944-9-0x0000000000400000-0x000000000040E000-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