Malware Analysis Report

2024-10-18 21:16

Sample ID 240712-yp4dnsxhmj
Target 3eae290f8d02e70a468db25c0e830a80_JaffaCakes118
SHA256 6af99521dfb4aabfcf77b3b91b387e482b05addf3272525d976c407bddd32716
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

6af99521dfb4aabfcf77b3b91b387e482b05addf3272525d976c407bddd32716

Threat Level: Known bad

The file 3eae290f8d02e70a468db25c0e830a80_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: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-12 19:58

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-12 19:58

Reported

2024-07-12 20:01

Platform

win7-20240705-en

Max time kernel

150s

Max time network

147s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3eae290f8d02e70a468db25c0e830a80_JaffaCakes118.dll,#1

Signatures

Emotet

trojan banker emotet

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
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2220 wrote to memory of 2216 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 2216 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 2216 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 2216 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 2216 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 2216 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 2216 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\3eae290f8d02e70a468db25c0e830a80_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3eae290f8d02e70a468db25c0e830a80_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
N/A 109.99.146.210:8080 tcp

Files

memory/2216-0-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2216-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2216-1-0x00000000001D0000-0x00000000001EF000-memory.dmp

memory/2216-3-0x0000000010000000-0x0000000010023000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-12 19:58

Reported

2024-07-12 20:01

Platform

win10v2004-20240709-en

Max time kernel

94s

Max time network

95s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3eae290f8d02e70a468db25c0e830a80_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\Laaezybvvykopp\omahlyuzamhip.qpr 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 1968 wrote to memory of 4036 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1968 wrote to memory of 4036 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1968 wrote to memory of 4036 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4036 wrote to memory of 3440 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4036 wrote to memory of 3440 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4036 wrote to memory of 3440 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\3eae290f8d02e70a468db25c0e830a80_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3eae290f8d02e70a468db25c0e830a80_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Laaezybvvykopp\omahlyuzamhip.qpr",fweUfgk

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 22.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4036-1-0x0000000000F30000-0x0000000000F4F000-memory.dmp

memory/4036-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/4036-4-0x0000000010000000-0x0000000010023000-memory.dmp

C:\Windows\SysWOW64\Laaezybvvykopp\omahlyuzamhip.qpr

MD5 3eae290f8d02e70a468db25c0e830a80
SHA1 24e18df8d0bde233656b51029c58f766369e54c7
SHA256 6af99521dfb4aabfcf77b3b91b387e482b05addf3272525d976c407bddd32716
SHA512 b396e6ede20793eed9c43f17dcc8494869cf1fe777733a32734ff48e3bca9d2cbe94ccf66154f6c5b72b57cab06399c146e353672a80eef5b418960a9a28a57b