Malware Analysis Report

2024-10-18 21:13

Sample ID 240711-1sqcbsxhqf
Target 3adb97830934e28ca128f9fc42d3b8e9_JaffaCakes118
SHA256 9783e70d2a083c311c4528225a92253e8a45b811852d0b6324971d9c64647282
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

9783e70d2a083c311c4528225a92253e8a45b811852d0b6324971d9c64647282

Threat Level: Known bad

The file 3adb97830934e28ca128f9fc42d3b8e9_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: RenamesItself

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-11 21:54

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-11 21:54

Reported

2024-07-11 21:57

Platform

win7-20240704-en

Max time kernel

150s

Max time network

154s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3adb97830934e28ca128f9fc42d3b8e9_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 2480 wrote to memory of 3044 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2480 wrote to memory of 3044 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2480 wrote to memory of 3044 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2480 wrote to memory of 3044 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2480 wrote to memory of 3044 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2480 wrote to memory of 3044 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2480 wrote to memory of 3044 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\3adb97830934e28ca128f9fc42d3b8e9_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3adb97830934e28ca128f9fc42d3b8e9_JaffaCakes118.dll,#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/3044-0-0x00000000000F0000-0x0000000000111000-memory.dmp

memory/3044-1-0x0000000010000000-0x0000000010024000-memory.dmp

memory/3044-2-0x0000000010000000-0x0000000010024000-memory.dmp

memory/3044-3-0x0000000010000000-0x0000000010024000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-11 21:54

Reported

2024-07-11 21:57

Platform

win10v2004-20240709-en

Max time kernel

94s

Max time network

100s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3adb97830934e28ca128f9fc42d3b8e9_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\Hbvuxwf\hirixx.trn 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 2516 wrote to memory of 3996 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2516 wrote to memory of 3996 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2516 wrote to memory of 3996 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3996 wrote to memory of 4196 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3996 wrote to memory of 4196 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3996 wrote to memory of 4196 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\3adb97830934e28ca128f9fc42d3b8e9_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3adb97830934e28ca128f9fc42d3b8e9_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Hbvuxwf\hirixx.trn",GchtmiZUO

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 203.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
IE 52.111.236.23:443 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/3996-1-0x0000000010000000-0x0000000010024000-memory.dmp

memory/3996-0-0x0000000000C00000-0x0000000000C21000-memory.dmp

memory/3996-3-0x0000000010000000-0x0000000010024000-memory.dmp

C:\Windows\SysWOW64\Hbvuxwf\hirixx.trn

MD5 3adb97830934e28ca128f9fc42d3b8e9
SHA1 8b7cf3b34ca6b4e120b9d5b05b2c58ecbced012b
SHA256 9783e70d2a083c311c4528225a92253e8a45b811852d0b6324971d9c64647282
SHA512 e3f95432f41e4221470f6a542250e12da6ef08191e9138965168a5fe4e2390c18eccee3fa21ce53e01093f0af3dd15fcd62729b4dee95783787874a92a5c3755