Malware Analysis Report

2024-10-18 21:13

Sample ID 240709-nna1matdrf
Target 30331df9f8dc62c61057adee90d9b934_JaffaCakes118
SHA256 e935a38ac98539aa95aadb05c8c3ed061979083b4401319dc658df5f5bd5f080
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: 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

e935a38ac98539aa95aadb05c8c3ed061979083b4401319dc658df5f5bd5f080

Threat Level: Known bad

The file 30331df9f8dc62c61057adee90d9b934_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: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-09 11:32

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-09 11:32

Reported

2024-07-09 13:38

Platform

win7-20240704-en

Max time kernel

149s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30331df9f8dc62c61057adee90d9b934_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\Kmegqr\iikqp.hds 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 2068 wrote to memory of 1072 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1072 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1072 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1072 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1072 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1072 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1072 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1072 wrote to memory of 1992 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1072 wrote to memory of 1992 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1072 wrote to memory of 1992 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1072 wrote to memory of 1992 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1072 wrote to memory of 1992 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1072 wrote to memory of 1992 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1072 wrote to memory of 1992 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 2384 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 2384 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 2384 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 2384 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 2384 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 2384 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 2384 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\30331df9f8dc62c61057adee90d9b934_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30331df9f8dc62c61057adee90d9b934_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Kmegqr\iikqp.hds",vzhtVerpZIqXbJC

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Kmegqr\iikqp.hds",#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/1072-1-0x0000000010000000-0x0000000010024000-memory.dmp

memory/1072-0-0x0000000000180000-0x00000000001A1000-memory.dmp

memory/1072-2-0x0000000010000000-0x0000000010024000-memory.dmp

memory/1992-3-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2384-4-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2384-5-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2384-6-0x0000000010000000-0x0000000010024000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-09 11:32

Reported

2024-07-09 13:38

Platform

win10v2004-20240704-en

Max time kernel

149s

Max time network

153s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30331df9f8dc62c61057adee90d9b934_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\Lzwugwtbiur\dzziiummkl.afy 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 244 wrote to memory of 1524 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 244 wrote to memory of 1524 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 244 wrote to memory of 1524 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1524 wrote to memory of 2016 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1524 wrote to memory of 2016 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1524 wrote to memory of 2016 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\30331df9f8dc62c61057adee90d9b934_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30331df9f8dc62c61057adee90d9b934_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Lzwugwtbiur\dzziiummkl.afy",ZMAfWJLRk

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.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 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp

Files

memory/1524-1-0x0000000010000000-0x0000000010024000-memory.dmp

memory/1524-0-0x0000000000820000-0x0000000000841000-memory.dmp

memory/1524-3-0x0000000010000000-0x0000000010024000-memory.dmp

C:\Windows\SysWOW64\Lzwugwtbiur\dzziiummkl.afy

MD5 30331df9f8dc62c61057adee90d9b934
SHA1 869261705cd251c2f99503e58d4367bd9a292c3e
SHA256 e935a38ac98539aa95aadb05c8c3ed061979083b4401319dc658df5f5bd5f080
SHA512 116da57102e65e6887de935b432abe9ef465884cea5f7dcada2f07091cc96d5a04dc0745769d3dda2c7a99ef7159e13bdb7d361c06f434ac0ddb6ec618ce4bd6