Malware Analysis Report

2024-09-22 23:32

Sample ID 240627-tn93ls1gmr
Target 16a7397c103663d632323c773787a37a_JaffaCakes118
SHA256 62fc0e83ace8bd21811318b0abf115a7a07458c5e16f4c07a2b900537069dadf
Tags
emotet epoch2 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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
10/10

SHA256

62fc0e83ace8bd21811318b0abf115a7a07458c5e16f4c07a2b900537069dadf

Threat Level: Known bad

The file 16a7397c103663d632323c773787a37a_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch2 banker trojan

Emotet

Blocklisted process makes network request

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-27 16:13

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-27 16:13

Reported

2024-06-27 16:16

Platform

win10v2004-20240611-en

Max time kernel

138s

Max time network

139s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\16a7397c103663d632323c773787a37a_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4600 wrote to memory of 1856 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4600 wrote to memory of 1856 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4600 wrote to memory of 1856 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\16a7397c103663d632323c773787a37a_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\16a7397c103663d632323c773787a37a_JaffaCakes118.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 --field-trial-handle=4432,i,6522675234395427298,2952738987384583032,262144 --variations-seed-version --mojo-platform-channel-handle=1304 /prefetch:8

Network

Country Destination Domain Proto
US 13.107.42.16:443 tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 76.234.34.23.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 1.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 199.232.210.172:80 tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-27 16:13

Reported

2024-06-27 16:15

Platform

win7-20240508-en

Max time kernel

146s

Max time network

146s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\16a7397c103663d632323c773787a37a_JaffaCakes118.dll,#1

Signatures

Emotet

trojan banker emotet

Blocklisted process makes network request

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

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1868 wrote to memory of 2232 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1868 wrote to memory of 2232 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1868 wrote to memory of 2232 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1868 wrote to memory of 2232 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1868 wrote to memory of 2232 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1868 wrote to memory of 2232 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1868 wrote to memory of 2232 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\16a7397c103663d632323c773787a37a_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\16a7397c103663d632323c773787a37a_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 69.38.130.14:80 tcp
US 69.38.130.14:80 tcp
NO 195.159.28.230:8080 tcp
NO 195.159.28.230:8080 tcp
US 162.241.204.233:8080 tcp
US 162.241.204.233:8080 tcp

Files

memory/2232-0-0x0000000000110000-0x0000000000130000-memory.dmp

memory/2232-1-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2232-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2232-3-0x0000000010000000-0x0000000010023000-memory.dmp