Malware Analysis Report

2025-01-06 07:34

Sample ID 240613-f5zrbazbnm
Target 2024-06-13_5666f99bb668c1e7f4cfbe4f532423cb_mafia
SHA256 30025524266171e3ad7ef6c898b0624292714402257196c30ce0167ab9beb187
Tags
evasion
score
9/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
9/10

SHA256

30025524266171e3ad7ef6c898b0624292714402257196c30ce0167ab9beb187

Threat Level: Likely malicious

The file 2024-06-13_5666f99bb668c1e7f4cfbe4f532423cb_mafia was found to be: Likely malicious.

Malicious Activity Summary

evasion

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

Drops desktop.ini file(s)

Drops file in Windows directory

Enumerates physical storage devices

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 05:28

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 05:28

Reported

2024-06-13 05:30

Platform

win10v2004-20240508-en

Max time kernel

39s

Max time network

47s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_5666f99bb668c1e7f4cfbe4f532423cb_mafia.exe"

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\2024-06-13_5666f99bb668c1e7f4cfbe4f532423cb_mafia.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-13_5666f99bb668c1e7f4cfbe4f532423cb_mafia.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n8707\s8707.exe N/A

Drops desktop.ini file(s)

Description Indicator Process Target
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n8707\s8707.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n8707\s8707.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\assembly C:\Users\Admin\AppData\Local\Temp\n8707\s8707.exe N/A
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n8707\s8707.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n8707\s8707.exe N/A

Enumerates physical storage devices

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\2024-06-13_5666f99bb668c1e7f4cfbe4f532423cb_mafia.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Users\Admin\AppData\Local\Temp\2024-06-13_5666f99bb668c1e7f4cfbe4f532423cb_mafia.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\n8707\s8707.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n8707\s8707.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\n8707\s8707.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_5666f99bb668c1e7f4cfbe4f532423cb_mafia.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_5666f99bb668c1e7f4cfbe4f532423cb_mafia.exe"

C:\Users\Admin\AppData\Local\Temp\n8707\s8707.exe

"C:\Users\Admin\AppData\Local\Temp\n8707\s8707.exe" ins.exe /e10232614 /u51938065-e47c-4b97-bfda-2a105bc06f2f /v"C:\Users\Admin\AppData\Local\Temp\2024-06-13_5666f99bb668c1e7f4cfbe4f532423cb_mafia.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3240 -ip 3240

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3240 -s 4356

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 api.socdn.com udp
US 8.8.8.8:53 api.socdn.com udp

Files

C:\Users\Admin\AppData\Local\Temp\n8707\s8707.exe

MD5 316287c0010874356127dd8b7bc17896
SHA1 0939ad854954393f052f5ba64b6c4b8e03a8866b
SHA256 69d0557e8d695a1d44ed91b643b93a01a2fd74056dc21bf334965f5045e8f4c9
SHA512 1d995b5e18bdf387a42d0029d20c1f2889fa70c5bc8895df674fc83e3b49bb2acd8031966b593cff2b72438bde929a50a7558adc1df5d8cae7097b8fedb39c1c

memory/4216-11-0x00007FFC0AE75000-0x00007FFC0AE76000-memory.dmp

memory/4216-12-0x00007FFC0ABC0000-0x00007FFC0B561000-memory.dmp

memory/4216-14-0x00007FFC0ABC0000-0x00007FFC0B561000-memory.dmp

memory/4216-13-0x000000001B850000-0x000000001B85A000-memory.dmp

memory/4216-17-0x000000001BFC0000-0x000000001C48E000-memory.dmp

memory/4216-18-0x000000001C530000-0x000000001C5CC000-memory.dmp

memory/4216-19-0x0000000001350000-0x0000000001358000-memory.dmp

memory/4216-20-0x00007FFC0ABC0000-0x00007FFC0B561000-memory.dmp

memory/4216-21-0x00007FFC0ABC0000-0x00007FFC0B561000-memory.dmp

memory/4216-22-0x00007FFC0ABC0000-0x00007FFC0B561000-memory.dmp

memory/4216-23-0x00007FFC0ABC0000-0x00007FFC0B561000-memory.dmp

memory/4216-24-0x000000001FDD0000-0x000000001FE32000-memory.dmp

memory/4216-25-0x00007FFC0AE75000-0x00007FFC0AE76000-memory.dmp

memory/4216-26-0x00007FFC0ABC0000-0x00007FFC0B561000-memory.dmp

memory/4216-27-0x00007FFC0ABC0000-0x00007FFC0B561000-memory.dmp

memory/4216-28-0x00007FFC0ABC0000-0x00007FFC0B561000-memory.dmp

memory/4216-29-0x0000000020B10000-0x000000002101E000-memory.dmp

memory/4216-31-0x00007FFC0ABC0000-0x00007FFC0B561000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 05:28

Reported

2024-06-13 05:30

Platform

win7-20240611-en

Max time kernel

122s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_5666f99bb668c1e7f4cfbe4f532423cb_mafia.exe"

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\2024-06-13_5666f99bb668c1e7f4cfbe4f532423cb_mafia.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n8723\s8723.exe N/A

Enumerates physical storage devices

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Users\Admin\AppData\Local\Temp\2024-06-13_5666f99bb668c1e7f4cfbe4f532423cb_mafia.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\2024-06-13_5666f99bb668c1e7f4cfbe4f532423cb_mafia.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-06-13_5666f99bb668c1e7f4cfbe4f532423cb_mafia.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\n8723\s8723.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\n8723\s8723.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n8723\s8723.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\n8723\s8723.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_5666f99bb668c1e7f4cfbe4f532423cb_mafia.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_5666f99bb668c1e7f4cfbe4f532423cb_mafia.exe"

C:\Users\Admin\AppData\Local\Temp\n8723\s8723.exe

"C:\Users\Admin\AppData\Local\Temp\n8723\s8723.exe" ins.exe /e10232614 /u51938065-e47c-4b97-bfda-2a105bc06f2f /v"C:\Users\Admin\AppData\Local\Temp\2024-06-13_5666f99bb668c1e7f4cfbe4f532423cb_mafia.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.socdn.com udp
US 13.248.148.254:80 api.socdn.com tcp

Files

\Users\Admin\AppData\Local\Temp\n8723\s8723.exe

MD5 316287c0010874356127dd8b7bc17896
SHA1 0939ad854954393f052f5ba64b6c4b8e03a8866b
SHA256 69d0557e8d695a1d44ed91b643b93a01a2fd74056dc21bf334965f5045e8f4c9
SHA512 1d995b5e18bdf387a42d0029d20c1f2889fa70c5bc8895df674fc83e3b49bb2acd8031966b593cff2b72438bde929a50a7558adc1df5d8cae7097b8fedb39c1c

memory/2556-14-0x000007FEF58AE000-0x000007FEF58AF000-memory.dmp

memory/2556-15-0x0000000000A10000-0x0000000000A1A000-memory.dmp

memory/2556-16-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp

memory/2556-17-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp

memory/2556-18-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp