Malware Analysis Report

2024-10-18 21:16

Sample ID 240713-wpzpda1fnr
Target 42c5d979ca0cc9d428b6aa997fbbd202_JaffaCakes118
SHA256 63008f80ddce29143e346acb6a9b55ff20df4857d0a25fdd10828c0e2f8ece66
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

63008f80ddce29143e346acb6a9b55ff20df4857d0a25fdd10828c0e2f8ece66

Threat Level: Known bad

The file 42c5d979ca0cc9d428b6aa997fbbd202_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: RenamesItself

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-13 18:06

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-13 18:06

Reported

2024-07-13 18:09

Platform

win7-20240704-en

Max time kernel

131s

Max time network

142s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c5d979ca0cc9d428b6aa997fbbd202_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 2528 wrote to memory of 2440 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2528 wrote to memory of 2440 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2528 wrote to memory of 2440 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2528 wrote to memory of 2440 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2528 wrote to memory of 2440 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2528 wrote to memory of 2440 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2528 wrote to memory of 2440 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\42c5d979ca0cc9d428b6aa997fbbd202_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c5d979ca0cc9d428b6aa997fbbd202_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/2440-0-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2440-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2440-1-0x0000000000190000-0x00000000001AF000-memory.dmp

memory/2440-3-0x0000000010000000-0x0000000010023000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-13 18:06

Reported

2024-07-13 18:09

Platform

win10v2004-20240709-en

Max time kernel

131s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c5d979ca0cc9d428b6aa997fbbd202_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\Sbtpgchrrxymbd\knqyfktabpmul.ijz 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 4364 wrote to memory of 4504 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4364 wrote to memory of 4504 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4364 wrote to memory of 4504 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4504 wrote to memory of 4996 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4504 wrote to memory of 4996 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4504 wrote to memory of 4996 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\42c5d979ca0cc9d428b6aa997fbbd202_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c5d979ca0cc9d428b6aa997fbbd202_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Sbtpgchrrxymbd\knqyfktabpmul.ijz",RvkOTbzK

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 52.111.227.11:443 tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp

Files

memory/4504-1-0x00000000005E0000-0x00000000005FF000-memory.dmp

memory/4504-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/4504-4-0x0000000010000000-0x0000000010023000-memory.dmp

C:\Windows\SysWOW64\Sbtpgchrrxymbd\knqyfktabpmul.ijz

MD5 42c5d979ca0cc9d428b6aa997fbbd202
SHA1 5b313f40c9cd63a54bad8a23817ab6318e0839f1
SHA256 63008f80ddce29143e346acb6a9b55ff20df4857d0a25fdd10828c0e2f8ece66
SHA512 c2b8075f5445d438eb361128ae5488a50f1c09022a0b21c7acf785235fb4cd64f68360be7066c7dfafab756d9fbeeed4ad7d1513a5fe27e212076e3f2d8a98b4