Malware Analysis Report

2024-10-18 21:16

Sample ID 240715-ea3daawfqm
Target 48141891e5338e5cc8ec58f1975ee147_JaffaCakes118
SHA256 a2d4050b7f2b17560259c09d51c3dfa9ce370c0fa217439d0ccffbe7688b6442
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

a2d4050b7f2b17560259c09d51c3dfa9ce370c0fa217439d0ccffbe7688b6442

Threat Level: Known bad

The file 48141891e5338e5cc8ec58f1975ee147_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

2024-07-15 03:45

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-15 03:45

Reported

2024-07-15 03:47

Platform

win7-20240705-en

Max time kernel

150s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\48141891e5338e5cc8ec58f1975ee147_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 2096 wrote to memory of 1796 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2096 wrote to memory of 1796 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2096 wrote to memory of 1796 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2096 wrote to memory of 1796 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2096 wrote to memory of 1796 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2096 wrote to memory of 1796 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2096 wrote to memory of 1796 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\48141891e5338e5cc8ec58f1975ee147_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\48141891e5338e5cc8ec58f1975ee147_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/1796-0-0x0000000000140000-0x000000000015F000-memory.dmp

memory/1796-1-0x0000000010000000-0x0000000010023000-memory.dmp

memory/1796-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/1796-3-0x0000000010000000-0x0000000010023000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-15 03:45

Reported

2024-07-15 03:47

Platform

win10v2004-20240709-en

Max time kernel

136s

Max time network

95s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\48141891e5338e5cc8ec58f1975ee147_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\Xxrwtblryk\nqninmiog.wfq 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 4580 wrote to memory of 4404 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4580 wrote to memory of 4404 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4580 wrote to memory of 4404 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4404 wrote to memory of 2728 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4404 wrote to memory of 2728 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4404 wrote to memory of 2728 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\48141891e5338e5cc8ec58f1975ee147_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\48141891e5338e5cc8ec58f1975ee147_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Xxrwtblryk\nqninmiog.wfq",cBOpBHsznW

Network

Country Destination Domain Proto
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/4404-0-0x0000000000770000-0x000000000078F000-memory.dmp

memory/4404-1-0x0000000010000000-0x0000000010023000-memory.dmp

memory/4404-3-0x0000000010000000-0x0000000010023000-memory.dmp

C:\Windows\SysWOW64\Xxrwtblryk\nqninmiog.wfq

MD5 48141891e5338e5cc8ec58f1975ee147
SHA1 cd13b51ca96b2ff8971c1f044a38a85b46e82e9c
SHA256 a2d4050b7f2b17560259c09d51c3dfa9ce370c0fa217439d0ccffbe7688b6442
SHA512 612d952d92cc15a6c3e504408160ca8ae099f1214e1101b1f2100bff1abb3a15b07bf1340a355ab38d0cfde9ed0ad8bf22659a0d1e181ebbfd0c3a8e6066e39f