Malware Analysis Report

2024-10-18 21:16

Sample ID 240714-c61s8atdrk
Target 43f8cd72fdc399cc6379111a7aebe498_JaffaCakes118
SHA256 b6804db7abc7c05261cd281634f35d0a329d9f29a924f6c73f511c691e62232b
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

b6804db7abc7c05261cd281634f35d0a329d9f29a924f6c73f511c691e62232b

Threat Level: Known bad

The file 43f8cd72fdc399cc6379111a7aebe498_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: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-14 02:42

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-14 02:42

Reported

2024-07-14 02:44

Platform

win7-20240705-en

Max time kernel

149s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\43f8cd72fdc399cc6379111a7aebe498_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

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\43f8cd72fdc399cc6379111a7aebe498_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\43f8cd72fdc399cc6379111a7aebe498_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/764-1-0x0000000010000000-0x0000000010023000-memory.dmp

memory/764-0-0x0000000000130000-0x000000000014F000-memory.dmp

memory/764-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/764-3-0x0000000010000000-0x0000000010023000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-14 02:42

Reported

2024-07-14 02:44

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\43f8cd72fdc399cc6379111a7aebe498_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\Iiicpjploehzqas\suarnlfzztpvfq.yar 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 4732 wrote to memory of 2656 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4732 wrote to memory of 2656 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4732 wrote to memory of 2656 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2656 wrote to memory of 2692 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2656 wrote to memory of 2692 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2656 wrote to memory of 2692 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\43f8cd72fdc399cc6379111a7aebe498_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\43f8cd72fdc399cc6379111a7aebe498_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Iiicpjploehzqas\suarnlfzztpvfq.yar",nJTY

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 4.159.190.20.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 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 52.111.227.14:443 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/2656-1-0x0000000000A80000-0x0000000000A9F000-memory.dmp

memory/2656-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2656-4-0x0000000010000000-0x0000000010023000-memory.dmp

C:\Windows\SysWOW64\Iiicpjploehzqas\suarnlfzztpvfq.yar

MD5 43f8cd72fdc399cc6379111a7aebe498
SHA1 756abb4271dd1861b00099c9d9935149f09aad84
SHA256 b6804db7abc7c05261cd281634f35d0a329d9f29a924f6c73f511c691e62232b
SHA512 68e5aa26a8b5555af552da9375657a2f83670690586d3d74cf45e9881fc1630040b81d954c52f0633ef32018dd5704a5405737d61c805ee843f2ecba61a7861d