Malware Analysis Report

2024-10-18 21:16

Sample ID 240714-szjjcswfmm
Target 466f704fbb86052dc125817ba384bd5f_JaffaCakes118
SHA256 55cfa998bc4dea90baf65620b9f7ee7a5080bb29f5118a208458a4df2de7c3c2
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

55cfa998bc4dea90baf65620b9f7ee7a5080bb29f5118a208458a4df2de7c3c2

Threat Level: Known bad

The file 466f704fbb86052dc125817ba384bd5f_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 use of WriteProcessMemory

Suspicious behavior: RenamesItself

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-14 15:33

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-14 15:33

Reported

2024-07-14 15:36

Platform

win7-20240704-en

Max time kernel

148s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\466f704fbb86052dc125817ba384bd5f_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 2172 wrote to memory of 1824 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2172 wrote to memory of 1824 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2172 wrote to memory of 1824 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2172 wrote to memory of 1824 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2172 wrote to memory of 1824 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2172 wrote to memory of 1824 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2172 wrote to memory of 1824 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\466f704fbb86052dc125817ba384bd5f_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\466f704fbb86052dc125817ba384bd5f_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/1824-0-0x0000000010000000-0x0000000010023000-memory.dmp

memory/1824-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/1824-1-0x0000000000170000-0x000000000018F000-memory.dmp

memory/1824-3-0x0000000010000000-0x0000000010023000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-14 15:33

Reported

2024-07-14 15:36

Platform

win10v2004-20240709-en

Max time kernel

141s

Max time network

155s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\466f704fbb86052dc125817ba384bd5f_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\Pulizajdsunlwon\zfeofkyarwezwt.qit 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 4260 wrote to memory of 3032 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4260 wrote to memory of 3032 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4260 wrote to memory of 3032 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3032 wrote to memory of 872 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3032 wrote to memory of 872 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3032 wrote to memory of 872 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\466f704fbb86052dc125817ba384bd5f_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\466f704fbb86052dc125817ba384bd5f_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Pulizajdsunlwon\zfeofkyarwezwt.qit",DTtfIvCmSeGuuk

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 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
IE 52.111.236.22:443 tcp

Files

memory/3032-1-0x0000000010000000-0x0000000010023000-memory.dmp

memory/3032-0-0x0000000001290000-0x00000000012AF000-memory.dmp

C:\Windows\SysWOW64\Pulizajdsunlwon\zfeofkyarwezwt.qit

MD5 466f704fbb86052dc125817ba384bd5f
SHA1 01867331006753284723b8f4ea5ad63ea00ff2dd
SHA256 55cfa998bc4dea90baf65620b9f7ee7a5080bb29f5118a208458a4df2de7c3c2
SHA512 9c2d3322abaee731ac69e193155c99628b21412db7f5af43a75f4d8af1eef3c13a0dbe567db415f0809fb45a9d7d7b3755e99a74abe4a04fcd9202400f02cfe5

memory/3032-3-0x0000000010000000-0x0000000010023000-memory.dmp