Malware Analysis Report

2025-06-15 19:58

Sample ID 250226-yfap1a1lt6
Target 0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229
SHA256 0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229
Tags
blihanstealer discovery persistence stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229

Threat Level: Known bad

The file 0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229 was found to be: Known bad.

Malicious Activity Summary

blihanstealer discovery persistence stealer trojan

BlihanStealer

Blihanstealer family

Executes dropped EXE

Deletes itself

Adds Run key to start application

Drops file in Windows directory

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-02-26 19:43

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-02-26 19:43

Reported

2025-02-26 19:45

Platform

win7-20240903-en

Max time kernel

149s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe"

Signatures

BlihanStealer

trojan stealer blihanstealer

Blihanstealer family

blihanstealer

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\microsofthelp.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\microsofthelp.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe N/A
File created C:\Windows\HidePlugin.dll C:\Windows\microsofthelp.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe

"C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe"

C:\Windows\microsofthelp.exe

"C:\Windows\microsofthelp.exe"

Network

N/A

Files

memory/2908-0-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2908-7-0x0000000000400000-0x000000000040E000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 af3408dbbd8f87aac5db6316a475db3b
SHA1 47d8ad9f36d15d6e00f497d888fbca7315123940
SHA256 a8ff03dcdc714611eabc6af162bd4463883320b86e7bcae042e41aa416252152
SHA512 b6176ff811dcb15c96ddfac0ed070d56b885c7c627c1b3c4933a32a08b59913b3647668762c5d4c16840e30b54ba77098afc23b8a2630ee815cacd0f840ad587

memory/2152-10-0x0000000000400000-0x000000000040E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-02-26 19:43

Reported

2025-02-26 19:45

Platform

win10v2004-20250217-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe"

Signatures

BlihanStealer

trojan stealer blihanstealer

Blihanstealer family

blihanstealer

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\microsofthelp.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\microsofthelp.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe N/A
File created C:\Windows\HidePlugin.dll C:\Windows\microsofthelp.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\microsofthelp.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe

"C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe"

C:\Windows\microsofthelp.exe

"C:\Windows\microsofthelp.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/4988-0-0x0000000000400000-0x000000000040E000-memory.dmp

memory/4988-5-0x0000000000400000-0x000000000040E000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 af3408dbbd8f87aac5db6316a475db3b
SHA1 47d8ad9f36d15d6e00f497d888fbca7315123940
SHA256 a8ff03dcdc714611eabc6af162bd4463883320b86e7bcae042e41aa416252152
SHA512 b6176ff811dcb15c96ddfac0ed070d56b885c7c627c1b3c4933a32a08b59913b3647668762c5d4c16840e30b54ba77098afc23b8a2630ee815cacd0f840ad587

memory/428-7-0x0000000000400000-0x000000000040E000-memory.dmp