Malware Analysis Report

2024-10-18 21:14

Sample ID 240709-njq62s1hkr
Target 302d838c3f1e54fcf85092ceab15548a_JaffaCakes118
SHA256 b29b88bd8c65b215383b5f18930e257eeb5a8e52c4472cb14fb875566a5e1a13
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

b29b88bd8c65b215383b5f18930e257eeb5a8e52c4472cb14fb875566a5e1a13

Threat Level: Known bad

The file 302d838c3f1e54fcf85092ceab15548a_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 11:25

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-09 11:25

Reported

2024-07-09 13:29

Platform

win7-20240704-en

Max time kernel

135s

Max time network

148s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\302d838c3f1e54fcf85092ceab15548a_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\Chqlcidkvugg\fzsodmhsppk.vkw 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 1940 wrote to memory of 2424 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1940 wrote to memory of 2424 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1940 wrote to memory of 2424 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1940 wrote to memory of 2424 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1940 wrote to memory of 2424 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1940 wrote to memory of 2424 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1940 wrote to memory of 2424 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2424 wrote to memory of 2068 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2424 wrote to memory of 2068 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2424 wrote to memory of 2068 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2424 wrote to memory of 2068 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2424 wrote to memory of 2068 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2424 wrote to memory of 2068 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2424 wrote to memory of 2068 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2108 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2108 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2108 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2108 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2108 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2108 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2108 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\302d838c3f1e54fcf85092ceab15548a_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\302d838c3f1e54fcf85092ceab15548a_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Chqlcidkvugg\fzsodmhsppk.vkw",ghavA

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Chqlcidkvugg\fzsodmhsppk.vkw",#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/2424-0-0x0000000000180000-0x00000000001A1000-memory.dmp

memory/2424-1-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2424-2-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2068-3-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2108-4-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2108-5-0x0000000010000000-0x0000000010024000-memory.dmp

memory/2108-6-0x0000000010000000-0x0000000010024000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-09 11:25

Reported

2024-07-09 13:30

Platform

win10v2004-20240704-en

Max time kernel

139s

Max time network

95s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\302d838c3f1e54fcf85092ceab15548a_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\Sudmbsrwrgidhafp\kjpdgmklnvzsvgv.qra 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 1388 wrote to memory of 1572 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1388 wrote to memory of 1572 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1388 wrote to memory of 1572 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1572 wrote to memory of 4360 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1572 wrote to memory of 4360 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1572 wrote to memory of 4360 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\302d838c3f1e54fcf85092ceab15548a_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\302d838c3f1e54fcf85092ceab15548a_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Sudmbsrwrgidhafp\kjpdgmklnvzsvgv.qra",kydjNb

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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.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/1572-0-0x0000000000BF0000-0x0000000000C11000-memory.dmp

memory/1572-1-0x0000000010000000-0x0000000010024000-memory.dmp

memory/1572-3-0x0000000010000000-0x0000000010024000-memory.dmp

C:\Windows\SysWOW64\Sudmbsrwrgidhafp\kjpdgmklnvzsvgv.qra

MD5 302d838c3f1e54fcf85092ceab15548a
SHA1 eb3550d43a60439037b388fe701c841249bbec29
SHA256 b29b88bd8c65b215383b5f18930e257eeb5a8e52c4472cb14fb875566a5e1a13
SHA512 1b0a5f39c1cdadee62f3623dc2a17cd41e4eeec1f514fea6a89b3df5a57fb43bdbd88eb569afebfd7319f151f0d2fb19ceb0f3ddb1bcad6a8229d298a273d5cd