blihanstealer | 9c19884859fa3aad59dbec14f6d89684db9e3179532e9816aff7e15a5d299bc9

Analysis

max time kernel
150s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 16:28

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General

Target
2026-08-02_e1ff1dba53d53856fdf8a3037982b6f6_elex_qilin.exe
Size 96KB
Sample260802-typjnacf94
SHA256 9c19884859fa3aad59dbec14f6d89684db9e3179532e9816aff7e15a5d299bc9
MD5 e1ff1dba53d53856fdf8a3037982b6f6
SHA1 62a1d301552ab20e8e1092f99d719e47c9d68ed4
SHA512 d2375fffb59e57d43c9408eb20f6e05ee15f6774f414aa8e1226fd8e0d22b073adcc813c3440a46f6b7429c9b9fa965fdea45743262563455bcd21bec31e1283
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhG:E6
TLSH
T1B6A3B34B4E71CDDFE814143E9BAAA21C86D3FC541CCCF35A96EED84270C2918C99E967
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/4288-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0009000000019caa-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4288-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2184-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4700-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4700	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4700	microsofthelp.exe
2184	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-1-5-21-2301830172-776172150-2531349243-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-02_e1ff1dba53d53856fdf8a3037982b6f6_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-02_e1ff1dba53d53856fdf8a3037982b6f6_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_e1ff1dba53d53856fdf8a3037982b6f6_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 4288 wrote to memory of 4700	4288	2026-08-02_e1ff1dba53d53856fdf8a3037982b6f6_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_e1ff1dba53d53856fdf8a3037982b6f6_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_e1ff1dba53d53856fdf8a3037982b6f6_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:4288
- 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:4700

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2184

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 80f79adadfb70d3f5167d4eaae896dd8f1f776befdc867a0db5c643e8ad501a9
MD5 803f226959387ce8f163b11f90181dd4
SHA1 3779523db656bc8f94793b65d385d26a2ae5cec6
SHA512 e15b341e11d67810707d352fa37240ceeddec940f1b4214091498971abe31e6812870566bc7c8e87141a18608ad91f23772088e1548959d547d57792889640cf
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWh7:E6
TLSH
T1CEA3B34B4E71CDDFE814143E9BAAA21C86D3FC541CCCF35A96EED84270C2918C99E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2184-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4288-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4288-7-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4700-11-0x0000000000400000-0x000000000040E000-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