Malware Analysis Report

2024-10-18 21:14

Sample ID 240708-3p99faxema
Target 2e401ddb8d197c0f6c3d71c34e04a232_JaffaCakes118
SHA256 b47742944247bd0afa8b9af25ad3184fcfbf64d26800c028ffa6fd70dd90b807
Tags
emotet epoch1 banker trojan
score
10/10

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
10/10

SHA256

b47742944247bd0afa8b9af25ad3184fcfbf64d26800c028ffa6fd70dd90b807

Threat Level: Known bad

The file 2e401ddb8d197c0f6c3d71c34e04a232_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch1 banker trojan

Emotet

Blocklisted process makes network request

Loads dropped DLL

Drops file in System32 directory

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-08 23:42

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-08 23:42

Reported

2024-07-09 05:50

Platform

win10v2004-20240704-en

Max time kernel

149s

Max time network

153s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e401ddb8d197c0f6c3d71c34e04a232_JaffaCakes118.dll,#1

Signatures

Emotet

trojan banker emotet

Loads dropped DLL

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

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Syxdhobffsjn\bccfxubvrky.oru C:\Windows\SysWOW64\rundll32.exe N/A

Enumerates physical storage devices

Suspicious behavior: RenamesItself

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2340 wrote to memory of 4952 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2340 wrote to memory of 4952 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2340 wrote to memory of 4952 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4952 wrote to memory of 1080 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4952 wrote to memory of 1080 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4952 wrote to memory of 1080 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e401ddb8d197c0f6c3d71c34e04a232_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e401ddb8d197c0f6c3d71c34e04a232_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Syxdhobffsjn\bccfxubvrky.oru",OWpBrdnAia

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 42.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 225.162.46.104.in-addr.arpa udp

Files

memory/4952-0-0x0000000000E50000-0x0000000000E71000-memory.dmp

memory/4952-1-0x0000000010000000-0x0000000010024000-memory.dmp

memory/4952-3-0x0000000010000000-0x0000000010024000-memory.dmp

C:\Windows\SysWOW64\Syxdhobffsjn\bccfxubvrky.oru

MD5 2e401ddb8d197c0f6c3d71c34e04a232
SHA1 4d3c4cc6b958040ceac4d6e8e0073871c2b7404a
SHA256 b47742944247bd0afa8b9af25ad3184fcfbf64d26800c028ffa6fd70dd90b807
SHA512 ea1072106a2ea07f2355193026f0913dd061b5ec781d75333733b1da559b4f4064ae444413368c58a14b976f1fcc49c4d79d9fa01a5580011a3efd67c31a4da9

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-08 23:42

Reported

2024-07-09 05:50

Platform

win7-20240704-en

Max time kernel

130s

Max time network

140s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e401ddb8d197c0f6c3d71c34e04a232_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

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Njiie\khbh.gev C:\Windows\SysWOW64\rundll32.exe N/A

Enumerates physical storage devices

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 behavior: RenamesItself

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2120 wrote to memory of 2356 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2120 wrote to memory of 2356 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2120 wrote to memory of 2356 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2120 wrote to memory of 2356 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2120 wrote to memory of 2356 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2120 wrote to memory of 2356 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2120 wrote to memory of 2356 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2356 wrote to memory of 2068 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2356 wrote to memory of 2068 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2356 wrote to memory of 2068 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2356 wrote to memory of 2068 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2356 wrote to memory of 2068 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2356 wrote to memory of 2068 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2356 wrote to memory of 2068 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2108 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2108 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2108 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2108 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2108 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2108 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2108 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e401ddb8d197c0f6c3d71c34e04a232_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e401ddb8d197c0f6c3d71c34e04a232_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Njiie\khbh.gev",PTBixwbEDv

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Njiie\khbh.gev",#1

Network

Country Destination Domain Proto
RO 84.232.229.24:80 tcp
RO 84.232.229.24:80 tcp
FR 51.255.203.164:8080 tcp
FR 51.255.203.164:8080 tcp
DE 217.160.169.110:8080 tcp
DE 217.160.169.110:8080 tcp

Files

memory/2356-0-0x00000000001F0000-0x0000000000211000-memory.dmp

memory/2356-1-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2356-2-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2068-3-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2108-4-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2108-5-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2108-6-0x0000000010000000-0x0000000010024000-memory.dmp