Malware Analysis Report

2024-10-18 21:16

Sample ID 240713-ldjtnsxela
Target 411a1d1ce77eb6817b7400b01f150a76_JaffaCakes118
SHA256 50d09bcb8c693b5e5973a3ac27df9bc8c7a96de1753579493589d47d57d4e244
Tags
emotet epoch3 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

50d09bcb8c693b5e5973a3ac27df9bc8c7a96de1753579493589d47d57d4e244

Threat Level: Known bad

The file 411a1d1ce77eb6817b7400b01f150a76_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Blocklisted process makes network request

Drops file in System32 directory

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-13 09:24

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-13 09:24

Reported

2024-07-13 09:27

Platform

win7-20240708-en

Max time kernel

149s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\411a1d1ce77eb6817b7400b01f150a76_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\Cxxef\xybs.dsz 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 2876 wrote to memory of 2940 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2876 wrote to memory of 2940 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2876 wrote to memory of 2940 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2876 wrote to memory of 2940 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2876 wrote to memory of 2940 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2876 wrote to memory of 2940 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2876 wrote to memory of 2940 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2940 wrote to memory of 1512 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2940 wrote to memory of 1512 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2940 wrote to memory of 1512 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2940 wrote to memory of 1512 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2940 wrote to memory of 1512 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2940 wrote to memory of 1512 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2940 wrote to memory of 1512 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1512 wrote to memory of 2764 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1512 wrote to memory of 2764 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1512 wrote to memory of 2764 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1512 wrote to memory of 2764 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1512 wrote to memory of 2764 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1512 wrote to memory of 2764 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1512 wrote to memory of 2764 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\411a1d1ce77eb6817b7400b01f150a76_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\411a1d1ce77eb6817b7400b01f150a76_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Cxxef\xybs.dsz",BfzydhDhSQcxhER

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Cxxef\xybs.dsz",#1

Network

Country Destination Domain Proto
AR 190.55.186.229:80 tcp
AR 190.55.186.229:80 tcp
TH 203.157.152.9:7080 tcp
TH 203.157.152.9:7080 tcp
SG 157.245.145.87:443 tcp
SG 157.245.145.87:443 tcp

Files

memory/2940-1-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2940-0-0x0000000000190000-0x00000000001AF000-memory.dmp

memory/2940-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/1512-3-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2764-4-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2764-5-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2764-6-0x0000000010000000-0x0000000010023000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-13 09:24

Reported

2024-07-13 09:27

Platform

win10v2004-20240709-en

Max time kernel

94s

Max time network

96s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\411a1d1ce77eb6817b7400b01f150a76_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2040 wrote to memory of 2792 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2040 wrote to memory of 2792 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2040 wrote to memory of 2792 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\411a1d1ce77eb6817b7400b01f150a76_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\411a1d1ce77eb6817b7400b01f150a76_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

N/A