Malware Analysis Report

2024-11-15 09:22

Sample ID 231120-qetgqaha5v
Target entrate.vhd
SHA256 22fcf360cea1149c89404bc89a2035e984b72c670d0051c50facf8e09e5133d2
Tags
systembc 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

22fcf360cea1149c89404bc89a2035e984b72c670d0051c50facf8e09e5133d2

Threat Level: Known bad

The file entrate.vhd was found to be: Known bad.

Malicious Activity Summary

systembc trojan

SystemBC

Blocklisted process makes network request

Loads dropped DLL

Checks computer location settings

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious behavior: GetForegroundWindowSpam

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-20 13:10

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-20 13:10

Reported

2023-11-20 13:13

Platform

win7-20231020-en

Max time kernel

118s

Max time network

122s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\Agenzia.url

Signatures

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\System32\rundll32.exe N/A

Processes

C:\Windows\System32\rundll32.exe

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\Agenzia.url

Network

N/A

Files

memory/2016-0-0x0000000001C00000-0x0000000001C01000-memory.dmp

memory/2016-1-0x0000000001C00000-0x0000000001C01000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-11-20 13:10

Reported

2023-11-20 13:13

Platform

win10v2004-20231023-en

Max time kernel

138s

Max time network

154s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\Agenzia.url

Signatures

SystemBC

trojan systembc

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation C:\Windows\System32\rundll32.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000_Classes\Local Settings C:\Windows\System32\rundll32.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\System32\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4440 wrote to memory of 4572 N/A C:\Windows\System32\rundll32.exe C:\Windows\System32\control.exe
PID 4440 wrote to memory of 4572 N/A C:\Windows\System32\rundll32.exe C:\Windows\System32\control.exe
PID 4572 wrote to memory of 5060 N/A C:\Windows\System32\control.exe C:\Windows\system32\rundll32.exe
PID 4572 wrote to memory of 5060 N/A C:\Windows\System32\control.exe C:\Windows\system32\rundll32.exe
PID 5060 wrote to memory of 2696 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5060 wrote to memory of 2696 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5060 wrote to memory of 2696 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\System32\rundll32.exe

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\Agenzia.url

C:\Windows\System32\control.exe

"C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FG4P7PGK\config[1].cpl",

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FG4P7PGK\config[1].cpl",

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FG4P7PGK\config[1].cpl",

Network

Country Destination Domain Proto
RU 62.173.141.114:445 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 114.141.173.62.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 39.142.81.104.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 13.107.21.200:443 tse1.mm.bing.net tcp
US 13.107.21.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 121.208.253.8.in-addr.arpa udp
US 8.8.8.8:53 122.175.53.84.in-addr.arpa udp
RU 62.173.140.37:4001 tcp
US 8.8.8.8:53 37.140.173.62.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 107.175.53.84.in-addr.arpa udp
US 8.8.8.8:53 2.173.189.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FG4P7PGK\config[1].cpl

MD5 509b68725e595b30fb2f38c8ea2cf9c4
SHA1 1aff17b87ff213c1a8f4c8cfe48782e636b6fb32
SHA256 4dae3b84eeb5e36c144f9fad2f2b06d9e82381cda6b1f043033cf3644f339558
SHA512 dc7a8e6404c3b1e2600c16c66ed023e6e5f7010efa96fa2c4c5abf8fe4a8c4847abd133a1198d4bb12224c93d4ede1ef1dfe1c6c584749160e9beff2a1585389

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FG4P7PGK\config[1].cpl

MD5 509b68725e595b30fb2f38c8ea2cf9c4
SHA1 1aff17b87ff213c1a8f4c8cfe48782e636b6fb32
SHA256 4dae3b84eeb5e36c144f9fad2f2b06d9e82381cda6b1f043033cf3644f339558
SHA512 dc7a8e6404c3b1e2600c16c66ed023e6e5f7010efa96fa2c4c5abf8fe4a8c4847abd133a1198d4bb12224c93d4ede1ef1dfe1c6c584749160e9beff2a1585389

memory/2696-6-0x0000000002B50000-0x0000000002C59000-memory.dmp

memory/2696-7-0x0000000000F00000-0x0000000000F07000-memory.dmp