Malware Analysis Report

2025-01-03 05:59

Sample ID 240401-tmsryahb4v
Target 74875643f4aceb77195135355d2fda38_JaffaCakes118
SHA256 de9a7530b7e7b60346f644db15365b7a19d4c35a6b0c6a54c0cde297e2ea5f9c
Tags
emotet epoch3 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

de9a7530b7e7b60346f644db15365b7a19d4c35a6b0c6a54c0cde297e2ea5f9c

Threat Level: Known bad

The file 74875643f4aceb77195135355d2fda38_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Blocklisted process makes network request

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-01 16:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-01 16:10

Reported

2024-04-01 16:13

Platform

win7-20240221-en

Max time kernel

148s

Max time network

153s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\74875643f4aceb77195135355d2fda38_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 2148 wrote to memory of 1444 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2148 wrote to memory of 1444 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2148 wrote to memory of 1444 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2148 wrote to memory of 1444 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2148 wrote to memory of 1444 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2148 wrote to memory of 1444 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2148 wrote to memory of 1444 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\74875643f4aceb77195135355d2fda38_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\74875643f4aceb77195135355d2fda38_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
BR 189.34.18.252:8080 tcp
BR 189.34.18.252:8080 tcp
MX 189.211.214.19:443 tcp
MX 189.211.214.19:443 tcp
TH 203.157.152.9:7080 tcp
TH 203.157.152.9:7080 tcp

Files

memory/1444-0-0x00000000001A0000-0x00000000001C2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-01 16:10

Reported

2024-04-01 16:13

Platform

win10v2004-20240226-en

Max time kernel

134s

Max time network

156s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\74875643f4aceb77195135355d2fda38_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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3944 wrote to memory of 2612 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3944 wrote to memory of 2612 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3944 wrote to memory of 2612 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\74875643f4aceb77195135355d2fda38_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\74875643f4aceb77195135355d2fda38_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 --no-appcompat-clear --mojo-platform-channel-handle=3784 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
GB 216.58.201.106:443 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
BR 189.34.18.252:8080 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
MX 189.211.214.19:443 tcp
TH 203.157.152.9:7080 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 40.134.221.88.in-addr.arpa udp
SG 157.245.145.87:443 tcp
NO 195.159.28.244:8080 tcp

Files

memory/2612-0-0x0000000002B70000-0x0000000002B92000-memory.dmp