Malware Analysis Report

2024-10-18 21:16

Sample ID 240715-pqgfvs1ekl
Target 49cac65eb61bf3291986369f34086955_JaffaCakes118
SHA256 9b060557ae1e0caba93e7aaa9979cdf71f8f98d7d0e1a5351094952391a15fb0
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

9b060557ae1e0caba93e7aaa9979cdf71f8f98d7d0e1a5351094952391a15fb0

Threat Level: Known bad

The file 49cac65eb61bf3291986369f34086955_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Blocklisted process makes network request

Loads dropped DLL

Drops file in System32 directory

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-15 12:31

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-15 12:31

Reported

2024-07-15 14:14

Platform

win7-20240705-en

Max time kernel

149s

Max time network

152s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\49cac65eb61bf3291986369f34086955_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 2088 wrote to memory of 2644 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2644 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2644 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2644 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2644 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2644 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2644 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\49cac65eb61bf3291986369f34086955_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\49cac65eb61bf3291986369f34086955_JaffaCakes118.dll,#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/2644-0-0x0000000000170000-0x000000000018F000-memory.dmp

memory/2644-1-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2644-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2644-3-0x0000000010000000-0x0000000010023000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-15 12:31

Reported

2024-07-15 14:15

Platform

win10v2004-20240709-en

Max time kernel

105s

Max time network

142s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\49cac65eb61bf3291986369f34086955_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\Yywvtuzegsd\rlaqjnlfla.ajg 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 1776 wrote to memory of 1376 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1776 wrote to memory of 1376 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1776 wrote to memory of 1376 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1376 wrote to memory of 1072 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1376 wrote to memory of 1072 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1376 wrote to memory of 1072 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\49cac65eb61bf3291986369f34086955_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\49cac65eb61bf3291986369f34086955_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Yywvtuzegsd\rlaqjnlfla.ajg",LYuFdRkgFTZEcq

Network

Country Destination Domain Proto
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
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
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 34.56.20.217.in-addr.arpa udp

Files

memory/1376-1-0x0000000010000000-0x0000000010023000-memory.dmp

memory/1376-0-0x0000000001340000-0x000000000135F000-memory.dmp

memory/1376-3-0x0000000010000000-0x0000000010023000-memory.dmp

C:\Windows\SysWOW64\Yywvtuzegsd\rlaqjnlfla.ajg

MD5 49cac65eb61bf3291986369f34086955
SHA1 7c028299bc5af96ef530dc16a994e45e35711b73
SHA256 9b060557ae1e0caba93e7aaa9979cdf71f8f98d7d0e1a5351094952391a15fb0
SHA512 81e241a2e642d72a3c72a5c7008b82ede728298842505c8bd484d9990b1e9fbc9ddf3c364d4f90b6d4918eb10c6aec02dd50c435aefcfbcbdc8aa3592901192e