Malware Analysis Report

2024-10-18 21:14

Sample ID 240709-s2e9qazhrq
Target 30f406b92ab293a3115e02b0d873ae60_JaffaCakes118
SHA256 6d89c26d2e02fbf9a4e3fbb03c0d77f025ac97c8e3de0a6f1251075fb4ea3d32
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

6d89c26d2e02fbf9a4e3fbb03c0d77f025ac97c8e3de0a6f1251075fb4ea3d32

Threat Level: Known bad

The file 30f406b92ab293a3115e02b0d873ae60_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

2024-07-09 15:37

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-09 15:37

Reported

2024-07-09 16:05

Platform

win7-20240705-en

Max time kernel

130s

Max time network

141s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30f406b92ab293a3115e02b0d873ae60_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\Ocxhzz\mvmht.wrm 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 1596 wrote to memory of 1592 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1596 wrote to memory of 1592 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1596 wrote to memory of 1592 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1596 wrote to memory of 1592 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1596 wrote to memory of 1592 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1596 wrote to memory of 1592 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1596 wrote to memory of 1592 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1592 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1592 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1592 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1592 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1592 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1592 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1592 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3052 wrote to memory of 2172 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3052 wrote to memory of 2172 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3052 wrote to memory of 2172 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3052 wrote to memory of 2172 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3052 wrote to memory of 2172 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3052 wrote to memory of 2172 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3052 wrote to memory of 2172 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\30f406b92ab293a3115e02b0d873ae60_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30f406b92ab293a3115e02b0d873ae60_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ocxhzz\mvmht.wrm",DNMzfNRQtao

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ocxhzz\mvmht.wrm",#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/1592-1-0x0000000010000000-0x0000000010024000-memory.dmp

memory/1592-0-0x0000000000190000-0x00000000001B1000-memory.dmp

memory/1592-2-0x0000000010000000-0x0000000010024000-memory.dmp

memory/3052-3-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2172-4-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2172-5-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2172-6-0x0000000010000000-0x0000000010024000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-09 15:37

Reported

2024-07-09 16:04

Platform

win10v2004-20240704-en

Max time kernel

136s

Max time network

93s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30f406b92ab293a3115e02b0d873ae60_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\Yirfnzfsituech\kyupxeaqxqoln.vmj 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 2844 wrote to memory of 1632 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2844 wrote to memory of 1632 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2844 wrote to memory of 1632 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1632 wrote to memory of 2800 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1632 wrote to memory of 2800 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1632 wrote to memory of 2800 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\30f406b92ab293a3115e02b0d873ae60_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30f406b92ab293a3115e02b0d873ae60_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Yirfnzfsituech\kyupxeaqxqoln.vmj",WXTEdj

Network

Country Destination Domain Proto
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp

Files

memory/1632-1-0x0000000010000000-0x0000000010024000-memory.dmp

memory/1632-0-0x0000000001070000-0x0000000001091000-memory.dmp

memory/1632-3-0x0000000010000000-0x0000000010024000-memory.dmp

C:\Windows\SysWOW64\Yirfnzfsituech\kyupxeaqxqoln.vmj

MD5 30f406b92ab293a3115e02b0d873ae60
SHA1 c42cfdc0c19e4dd695cb1050a0e124adbe0db5d0
SHA256 6d89c26d2e02fbf9a4e3fbb03c0d77f025ac97c8e3de0a6f1251075fb4ea3d32
SHA512 7520c6cb6bcdbb2088df4f4da0d8c78ec935074fc10815162626091ec8596829f82d2fd4f777df5edb9329597449f283dc58c7b4ba78b3a3bde2f911e9f4a560