Malware Analysis Report

2024-10-18 21:14

Sample ID 240711-bcd7pazdnp
Target 371bdde4d98810d41d4274aeeb4ab1d7_JaffaCakes118
SHA256 de40562c90a1d7d919053219a24557110a9bfc876ae2e8605aed662bfc177be9
Tags
emotet epoch1 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

de40562c90a1d7d919053219a24557110a9bfc876ae2e8605aed662bfc177be9

Threat Level: Known bad

The file 371bdde4d98810d41d4274aeeb4ab1d7_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch1 banker trojan

Emotet

Blocklisted process makes network request

Loads dropped DLL

Drops file in System32 directory

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-11 00:59

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-11 00:59

Reported

2024-07-11 01:02

Platform

win7-20240708-en

Max time kernel

149s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\371bdde4d98810d41d4274aeeb4ab1d7_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\Sopvpq\chwkp.qvs 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 2928 wrote to memory of 2852 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2928 wrote to memory of 2852 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2928 wrote to memory of 2852 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2928 wrote to memory of 2852 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2928 wrote to memory of 2852 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2928 wrote to memory of 2852 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2928 wrote to memory of 2852 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2852 wrote to memory of 2836 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2852 wrote to memory of 2836 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2852 wrote to memory of 2836 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2852 wrote to memory of 2836 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2852 wrote to memory of 2836 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2852 wrote to memory of 2836 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2852 wrote to memory of 2836 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2836 wrote to memory of 3016 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2836 wrote to memory of 3016 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2836 wrote to memory of 3016 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2836 wrote to memory of 3016 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2836 wrote to memory of 3016 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2836 wrote to memory of 3016 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2836 wrote to memory of 3016 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\371bdde4d98810d41d4274aeeb4ab1d7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\371bdde4d98810d41d4274aeeb4ab1d7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Sopvpq\chwkp.qvs",FHHEwljEcplfISp

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Sopvpq\chwkp.qvs",#1

Network

Country Destination Domain Proto
RO 84.232.229.24:80 tcp
RO 84.232.229.24:80 tcp
FR 51.255.203.164:8080 tcp
FR 51.255.203.164:8080 tcp
DE 217.160.169.110:8080 tcp
DE 217.160.169.110:8080 tcp

Files

memory/2852-1-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2852-0-0x0000000000130000-0x0000000000151000-memory.dmp

memory/2852-2-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2836-3-0x0000000010000000-0x0000000010024000-memory.dmp

memory/3016-5-0x0000000010000000-0x0000000010024000-memory.dmp

memory/3016-4-0x0000000010000000-0x0000000010024000-memory.dmp

memory/3016-6-0x0000000010000000-0x0000000010024000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-11 00:59

Reported

2024-07-11 01:02

Platform

win10v2004-20240709-en

Max time kernel

136s

Max time network

99s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\371bdde4d98810d41d4274aeeb4ab1d7_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\Ofpwgjku\qkkweeq.vqv 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 3100 wrote to memory of 2944 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3100 wrote to memory of 2944 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3100 wrote to memory of 2944 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2944 wrote to memory of 4328 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2944 wrote to memory of 4328 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2944 wrote to memory of 4328 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\371bdde4d98810d41d4274aeeb4ab1d7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\371bdde4d98810d41d4274aeeb4ab1d7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ofpwgjku\qkkweeq.vqv",wRhx

Network

Country Destination Domain Proto
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 121.170.16.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/2944-1-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2944-0-0x0000000000890000-0x00000000008B1000-memory.dmp

memory/2944-3-0x0000000010000000-0x0000000010024000-memory.dmp

C:\Windows\SysWOW64\Ofpwgjku\qkkweeq.vqv

MD5 371bdde4d98810d41d4274aeeb4ab1d7
SHA1 e3ab519b2c680a334eddc491ae6ddef8f0c4bc17
SHA256 de40562c90a1d7d919053219a24557110a9bfc876ae2e8605aed662bfc177be9
SHA512 a6b55ab4e7d908216e01de3414ebc2a0eec49641eaf5e5efa592743ccc87ad67402ba7789dceb205fb9f5a3ec59e2b9fb25d4917ef7dc9a78408236830951f2b