blihanstealer | 40dedf06853f9f5b7c892249ff83a290eb73cbf0ced2adaab072670488d1ad9a

Analysis

max time kernel
149s
max time network
125s
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, 23:52

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General

Target
2026-10-02_e563895dcc39d0f787de0f7c41e36fcc_elex_qilin.exe
Size 96KB
Sample261002-3wytzsysax
SHA256 40dedf06853f9f5b7c892249ff83a290eb73cbf0ced2adaab072670488d1ad9a
MD5 e563895dcc39d0f787de0f7c41e36fcc
SHA1 134ad68c1a03cb6220e861267f53afb6e7406e83
SHA512 8a45d87586758ee44e6d84623f24dbbc28af618f29a827fa6319b01469e128d6a66eae20fec09452c11d4f1816e86de6880dc365623ef7e9e992872f4d9b7bee
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhB:E6t
TLSH
T185A3B34B4F71CDDBE800143E97AAA21C86D3FC541CCCF35A96EED84670C291C899E9A7
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/3520-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000700000001b84b-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3520-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/6044-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1736-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
1736	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1736	microsofthelp.exe
6044	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-1-5-21-560646293-820748483-2532804640-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-02_e563895dcc39d0f787de0f7c41e36fcc_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-10-02_e563895dcc39d0f787de0f7c41e36fcc_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	2026-10-02_e563895dcc39d0f787de0f7c41e36fcc_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 3520 wrote to memory of 1736	3520	2026-10-02_e563895dcc39d0f787de0f7c41e36fcc_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-02_e563895dcc39d0f787de0f7c41e36fcc_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-02_e563895dcc39d0f787de0f7c41e36fcc_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:3520
- 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:1736

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:6044

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 96KB
SHA256 68b41eb3dfeeb7431dd0d526834dafb26b36de148f95786e2657cbc39bcd0b34
MD5 bfe340be048be882f04e334a55e6f5e7
SHA1 989cc65d1240ec1ef23bb5001aa3fbf987bd8415
SHA512 3ac2f0e3d3da4525882e64013ae70f07ac9854548e15a8be0e72ad6d62d8bfd43479b310562003be0eac4b1c9962ec8baf4f9469d69c4450a5dde07827ac9d29
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhC:E6t
TLSH
T193A3B34B4F71CDDBE800143E97AAA21C86D3FC541CCCF35A96EED84670C291C899E9A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1736-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3520-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3520-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/6044-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads