Malware Analysis Report

2024-10-18 21:16

Sample ID 240715-lyzqma1alk
Target 494b31cfcc53cd016847b23ef76ce465_JaffaCakes118
SHA256 ea869e64cabe7263dc5563c6ae3b630288995227abd82f771733bdf795a3146f
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: 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

ea869e64cabe7263dc5563c6ae3b630288995227abd82f771733bdf795a3146f

Threat Level: Known bad

The file 494b31cfcc53cd016847b23ef76ce465_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 use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-15 09:57

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-15 09:57

Reported

2024-07-15 09:59

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\494b31cfcc53cd016847b23ef76ce465_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\Wtixmieyngare\dtkvzeofqwkt.svi 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 5104 wrote to memory of 4736 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5104 wrote to memory of 4736 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5104 wrote to memory of 4736 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4736 wrote to memory of 1352 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4736 wrote to memory of 1352 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4736 wrote to memory of 1352 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\494b31cfcc53cd016847b23ef76ce465_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\494b31cfcc53cd016847b23ef76ce465_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Wtixmieyngare\dtkvzeofqwkt.svi",JOGsoD

Network

Country Destination Domain Proto
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/4736-0-0x0000000000D90000-0x0000000000DAF000-memory.dmp

memory/4736-1-0x0000000010000000-0x0000000010023000-memory.dmp

memory/4736-3-0x0000000010000000-0x0000000010023000-memory.dmp

C:\Windows\SysWOW64\Wtixmieyngare\dtkvzeofqwkt.svi

MD5 494b31cfcc53cd016847b23ef76ce465
SHA1 edd77dc5fd9627c68025e66304b5561c6f1676a5
SHA256 ea869e64cabe7263dc5563c6ae3b630288995227abd82f771733bdf795a3146f
SHA512 0ec43b1250966fd5cec1633002f817e9f4d91b4180c30b5aed500d2bbb3ad805cbd80c37f1bfb42b76e3aca9bf7fda97384412b89018abdeb34271a68660f8d5

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-15 09:57

Reported

2024-07-15 09:59

Platform

win7-20240704-en

Max time kernel

130s

Max time network

139s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\494b31cfcc53cd016847b23ef76ce465_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 2380 wrote to memory of 2504 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2380 wrote to memory of 2504 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2380 wrote to memory of 2504 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2380 wrote to memory of 2504 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2380 wrote to memory of 2504 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2380 wrote to memory of 2504 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2380 wrote to memory of 2504 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\494b31cfcc53cd016847b23ef76ce465_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\494b31cfcc53cd016847b23ef76ce465_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/2504-1-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2504-0-0x00000000001C0000-0x00000000001DF000-memory.dmp

memory/2504-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2504-3-0x0000000010000000-0x0000000010023000-memory.dmp