Malware Analysis Report

2024-10-18 21:14

Sample ID 240711-zdagwsvgnh
Target 3aa0854dad3770b161dddb0825f644c8_JaffaCakes118
SHA256 39e64ed3821cf6ae8314be531d6796891b4463217989713e083c24ca89c6e4dc
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

39e64ed3821cf6ae8314be531d6796891b4463217989713e083c24ca89c6e4dc

Threat Level: Known bad

The file 3aa0854dad3770b161dddb0825f644c8_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

Unsigned PE

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 20:35

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-11 20:35

Reported

2024-07-11 20:38

Platform

win7-20240704-en

Max time kernel

150s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3aa0854dad3770b161dddb0825f644c8_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\Qcrjenjkgwfiuj\ljxubxxwqkkon.cxi 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 1828 wrote to memory of 468 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1828 wrote to memory of 468 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1828 wrote to memory of 468 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1828 wrote to memory of 468 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1828 wrote to memory of 468 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1828 wrote to memory of 468 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1828 wrote to memory of 468 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 468 wrote to memory of 2280 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 468 wrote to memory of 2280 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 468 wrote to memory of 2280 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 468 wrote to memory of 2280 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 468 wrote to memory of 2280 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 468 wrote to memory of 2280 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 468 wrote to memory of 2280 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2280 wrote to memory of 2964 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2280 wrote to memory of 2964 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2280 wrote to memory of 2964 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2280 wrote to memory of 2964 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2280 wrote to memory of 2964 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2280 wrote to memory of 2964 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2280 wrote to memory of 2964 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\3aa0854dad3770b161dddb0825f644c8_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3aa0854dad3770b161dddb0825f644c8_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Qcrjenjkgwfiuj\ljxubxxwqkkon.cxi",kmslvDIHkm

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Qcrjenjkgwfiuj\ljxubxxwqkkon.cxi",#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/468-0-0x00000000003A0000-0x000000000043E000-memory.dmp

memory/468-1-0x0000000000250000-0x0000000000277000-memory.dmp

memory/468-2-0x00000000003A1000-0x0000000000404000-memory.dmp

memory/468-3-0x00000000003A0000-0x000000000043E000-memory.dmp

memory/2280-5-0x0000000000730000-0x00000000007CE000-memory.dmp

memory/468-4-0x00000000003A1000-0x0000000000404000-memory.dmp

memory/2280-6-0x0000000000730000-0x00000000007CE000-memory.dmp

memory/2280-7-0x0000000000731000-0x0000000000794000-memory.dmp

memory/2964-8-0x00000000001B0000-0x000000000024E000-memory.dmp

memory/2964-9-0x00000000001B1000-0x0000000000214000-memory.dmp

memory/2964-10-0x00000000001B0000-0x000000000024E000-memory.dmp

memory/2964-12-0x00000000001B1000-0x0000000000214000-memory.dmp

memory/2964-15-0x00000000001B0000-0x000000000024E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-11 20:35

Reported

2024-07-11 20:38

Platform

win10v2004-20240709-en

Max time kernel

146s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3aa0854dad3770b161dddb0825f644c8_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

Loads dropped DLL

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

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Ktpddfo\unqulm.jev 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

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3aa0854dad3770b161dddb0825f644c8_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3aa0854dad3770b161dddb0825f644c8_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ktpddfo\unqulm.jev",GaqKZECqGPtxGhC

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Ktpddfo\unqulm.jev",#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 203.142.123.92.in-addr.arpa udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
RO 84.232.229.24:80 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
FR 51.255.203.164:8080 tcp
DE 217.160.169.110:8080 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
ES 185.183.16.47:80 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
CL 190.45.24.210:80 tcp
MX 187.162.248.237:80 tcp

Files

memory/1476-0-0x0000000001F30000-0x0000000001FCE000-memory.dmp

memory/1476-1-0x0000000002180000-0x00000000021A7000-memory.dmp

memory/1476-2-0x0000000001F30000-0x0000000001F54000-memory.dmp

memory/1476-3-0x0000000001F30000-0x0000000001FCE000-memory.dmp

memory/1476-4-0x0000000001F30000-0x0000000001F54000-memory.dmp

C:\Windows\SysWOW64\Ktpddfo\unqulm.jev

MD5 3aa0854dad3770b161dddb0825f644c8
SHA1 9845629961cf87447d1bedec4b53f4031e4b2baf
SHA256 39e64ed3821cf6ae8314be531d6796891b4463217989713e083c24ca89c6e4dc
SHA512 8c5a8ac4e8a4a782efd85df6fc624c8079d7bd1be21da22eebbe7dfa657fac029ae02b42a5eb935a53b9b7609e16124ad1fcf6add6b84214a36d187560f1087e

memory/2980-6-0x0000000000400000-0x000000000049E000-memory.dmp

memory/2980-7-0x0000000000400000-0x0000000000424000-memory.dmp

memory/4088-9-0x0000000000400000-0x0000000000424000-memory.dmp

memory/4088-10-0x0000000000400000-0x000000000049E000-memory.dmp

memory/4088-12-0x0000000000400000-0x0000000000424000-memory.dmp

memory/4088-13-0x0000000000400000-0x000000000049E000-memory.dmp