bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3

Analysis

max time kernel
204s
max time network
208s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
24/11/2022, 03:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
Size

1.1MB
MD5

cd80d79f845c573f8118c1c94afa2cf9
SHA1

fb88930d8cea0799e40efdd2c45564a02d110066
SHA256

bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3
SHA512

0bdb0bf8ef62c90e205c3fe89bb8b5370b72505bc43b422e0ae1bb5dc127912671a3048a97b3ea587f801a9dd81af5198e1904ef8c780bc4b7c75be1b7a78a7f
SSDEEP

24576:51bR9TD2ilzRIwOgLPkQxBP1SRh6fpMi/o12DckAdvffzFUGjdp0EN2Y:5FTD2AIw3q6fmiLckABff7joi

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "Explorer.exe sIRC4.exe"	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe

Drops file in System32 directory 18 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
File created	C:\Windows\SysWOW64\xdccPrograms\IntegratedOffice.exe	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
File created	C:\Windows\SysWOW64\DC++ Share\OfficeC2RClient.exe	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
File created	C:\Windows\SysWOW64\DC++ Share\OfficeClickToRun.exe	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
File created	C:\Windows\SysWOW64\xdccPrograms\office2016setup.exe	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\office2016setup.exe	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
File created	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
File created	C:\Windows\SysWOW64\sIRC4.exe	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
File created	C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\MavInject32.exe	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
File created	C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
File created	C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
File created	C:\Windows\SysWOW64\DC++ Share\MavInject32.exe	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
File opened for modification	C:\Windows\SysWOW64\sIRC4.exe	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7z.exe	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe

C:\Users\Admin\AppData\Local\Temp\bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe
"C:\Users\Admin\AppData\Local\Temp\bd90fc18f2fafca9c9137c2f9a7da04605b9cc8d1cf4728ed485cd4cf15db4a3.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
PID:2204

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

Loading Replay Monitor...