Malware Analysis Report

2024-10-18 21:16

Sample ID 240716-gffskszgnd
Target 4d0909c0251e06469bfa1e25ab202e89_JaffaCakes118
SHA256 2d56bd748ba4d15dd037d8bcdb980bc02fd189e43fbe41d2f60c79a3d4e1f627
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

2d56bd748ba4d15dd037d8bcdb980bc02fd189e43fbe41d2f60c79a3d4e1f627

Threat Level: Known bad

The file 4d0909c0251e06469bfa1e25ab202e89_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

2024-07-16 05:44

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-16 05:44

Reported

2024-07-16 05:47

Platform

win7-20240705-en

Max time kernel

145s

Max time network

146s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d0909c0251e06469bfa1e25ab202e89_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 1820 wrote to memory of 2080 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1820 wrote to memory of 2080 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1820 wrote to memory of 2080 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1820 wrote to memory of 2080 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1820 wrote to memory of 2080 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1820 wrote to memory of 2080 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1820 wrote to memory of 2080 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\4d0909c0251e06469bfa1e25ab202e89_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d0909c0251e06469bfa1e25ab202e89_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/2080-0-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2080-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2080-1-0x00000000000C0000-0x00000000000DF000-memory.dmp

memory/2080-3-0x0000000010000000-0x0000000010023000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-16 05:44

Reported

2024-07-16 05:47

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d0909c0251e06469bfa1e25ab202e89_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\Scoxkwnqmeucmenb\qbwxryjanhnvjih.yhc 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 1236 wrote to memory of 2484 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1236 wrote to memory of 2484 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1236 wrote to memory of 2484 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2484 wrote to memory of 5048 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2484 wrote to memory of 5048 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2484 wrote to memory of 5048 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\4d0909c0251e06469bfa1e25ab202e89_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d0909c0251e06469bfa1e25ab202e89_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Scoxkwnqmeucmenb\qbwxryjanhnvjih.yhc",BbegvQobVk

Network

Country Destination Domain Proto
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.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/2484-1-0x00000000010E0000-0x00000000010FF000-memory.dmp

memory/2484-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2484-4-0x0000000010000000-0x0000000010023000-memory.dmp

C:\Windows\SysWOW64\Scoxkwnqmeucmenb\qbwxryjanhnvjih.yhc

MD5 4d0909c0251e06469bfa1e25ab202e89
SHA1 86f5f547dbbe6c1432f46b4c7ba4966e6209cbd0
SHA256 2d56bd748ba4d15dd037d8bcdb980bc02fd189e43fbe41d2f60c79a3d4e1f627
SHA512 951d695c24e167bcd40273a362b77c48db3c8e0bd0c7aeacdd6dd613b65e65d5623f0bec8771dd3e3f365e5472ae5ed7ce2f948bae953c43bfa32ffe58196289