Malware Analysis Report

2025-01-22 12:22

Sample ID 240517-15t62sdh25
Target WiiBackupManager_Build78.zip
SHA256 be913ae19093797d3fe5c15fda18b2bb6af99df5a48d1a579941e6f3b3cc8edd
Tags
aspackv2
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral7

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral8

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

be913ae19093797d3fe5c15fda18b2bb6af99df5a48d1a579941e6f3b3cc8edd

Threat Level: Shows suspicious behavior

The file WiiBackupManager_Build78.zip was found to be: Shows suspicious behavior.

Malicious Activity Summary

aspackv2

ASPack v2.12-2.42

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-17 22:14

Signatures

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

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

Analysis: behavioral3

Detonation Overview

Submitted

2024-05-17 22:14

Reported

2024-05-17 22:17

Platform

win7-20240221-en

Max time kernel

118s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7z_Win64.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7z_Win64.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral6

Detonation Overview

Submitted

2024-05-17 22:14

Reported

2024-05-17 22:17

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\WiiBackupManager_Win32.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\WiiBackupManager_Win32.exe

"C:\Users\Admin\AppData\Local\Temp\WiiBackupManager_Win32.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 filetrip.net udp
US 172.67.165.117:80 filetrip.net tcp
US 8.8.8.8:53 117.165.67.172.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
BE 88.221.83.200:443 www.bing.com tcp
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
BE 88.221.83.200:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 200.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 91.16.208.104.in-addr.arpa udp

Files

memory/4560-0-0x00000000027C0000-0x00000000027C1000-memory.dmp

memory/4560-1-0x0000000000400000-0x00000000009FE000-memory.dmp

memory/4560-3-0x00000000027C0000-0x00000000027C1000-memory.dmp

Analysis: behavioral7

Detonation Overview

Submitted

2024-05-17 22:14

Reported

2024-05-17 22:17

Platform

win7-20240508-en

Max time kernel

140s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\WiiBackupManager_Win64.exe"

Signatures

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\WiiBackupManager_Win64.exe

"C:\Users\Admin\AppData\Local\Temp\WiiBackupManager_Win64.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 filetrip.net udp
US 104.21.57.186:80 filetrip.net tcp

Files

memory/2824-0-0x0000000000210000-0x0000000000211000-memory.dmp

memory/2824-1-0x0000000000210000-0x0000000000211000-memory.dmp

memory/2824-2-0x0000000000400000-0x0000000000C79000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-17 22:14

Reported

2024-05-17 22:17

Platform

win7-20231129-en

Max time kernel

117s

Max time network

118s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7z_Win32.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2888 wrote to memory of 2900 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2888 wrote to memory of 2900 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2888 wrote to memory of 2900 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2888 wrote to memory of 2900 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2888 wrote to memory of 2900 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2888 wrote to memory of 2900 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2888 wrote to memory of 2900 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7z_Win32.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7z_Win32.dll,#1

Network

N/A

Files

memory/2900-0-0x0000000010000000-0x00000000100EC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-17 22:14

Reported

2024-05-17 22:17

Platform

win10v2004-20240226-en

Max time kernel

140s

Max time network

163s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7z_Win32.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4024 wrote to memory of 2856 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4024 wrote to memory of 2856 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4024 wrote to memory of 2856 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7z_Win32.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7z_Win32.dll,#1

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1420 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 172.217.169.74:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 74.169.217.172.in-addr.arpa udp
US 8.8.8.8:53 91.16.208.104.in-addr.arpa udp

Files

memory/2856-0-0x0000000010000000-0x00000000100EC000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-05-17 22:14

Reported

2024-05-17 22:17

Platform

win10v2004-20240426-en

Max time kernel

130s

Max time network

128s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7z_Win64.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7z_Win64.dll,#1

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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
BE 2.17.107.122:443 www.bing.com tcp
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 8.8.8.8:53 122.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-05-17 22:14

Reported

2024-05-17 22:17

Platform

win7-20240221-en

Max time kernel

140s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\WiiBackupManager_Win32.exe"

Signatures

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\WiiBackupManager_Win32.exe

"C:\Users\Admin\AppData\Local\Temp\WiiBackupManager_Win32.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 filetrip.net udp
US 172.67.165.117:80 filetrip.net tcp

Files

memory/1116-0-0x0000000000260000-0x0000000000261000-memory.dmp

memory/1116-1-0x0000000000260000-0x0000000000261000-memory.dmp

memory/1116-2-0x0000000000400000-0x00000000009FE000-memory.dmp

Analysis: behavioral8

Detonation Overview

Submitted

2024-05-17 22:14

Reported

2024-05-17 22:17

Platform

win10v2004-20240508-en

Max time kernel

142s

Max time network

107s

Command Line

"C:\Users\Admin\AppData\Local\Temp\WiiBackupManager_Win64.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\WiiBackupManager_Win64.exe

"C:\Users\Admin\AppData\Local\Temp\WiiBackupManager_Win64.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 filetrip.net udp
US 172.67.165.117:80 filetrip.net tcp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
BE 88.221.83.200:443 www.bing.com tcp
US 8.8.8.8:53 117.165.67.172.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 200.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/624-0-0x0000000002B00000-0x0000000002B01000-memory.dmp

memory/624-1-0x0000000000400000-0x0000000000C79000-memory.dmp

memory/624-3-0x0000000002B00000-0x0000000002B01000-memory.dmp