Malware Analysis Report

2024-10-18 22:30

Sample ID 240925-grgh9asblg
Target f55920966b4970588ce643af0fcc03a7_JaffaCakes118
SHA256 0d533321292f6854d7f9705a738d58ee5941c93b52674681083ec5c21a987ab1
Tags
zloader botnet discovery persistence 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

0d533321292f6854d7f9705a738d58ee5941c93b52674681083ec5c21a987ab1

Threat Level: Known bad

The file f55920966b4970588ce643af0fcc03a7_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

zloader botnet discovery persistence trojan

Zloader, Terdot, DELoader, ZeusSphinx

Adds Run key to start application

Blocklisted process makes network request

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-25 06:02

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-25 06:02

Reported

2024-09-25 06:04

Platform

win7-20240708-en

Max time kernel

120s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f55920966b4970588ce643af0fcc03a7_JaffaCakes118.dll,#1

Signatures

Zloader, Terdot, DELoader, ZeusSphinx

trojan botnet zloader

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dyac = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Caycu\\ebcofuf.dll,DllRegisterServer" C:\Windows\SysWOW64\msiexec.exe N/A

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2156 set thread context of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2448 wrote to memory of 2156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2448 wrote to memory of 2156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2448 wrote to memory of 2156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2448 wrote to memory of 2156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2448 wrote to memory of 2156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2448 wrote to memory of 2156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2448 wrote to memory of 2156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2156 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe
PID 2156 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe
PID 2156 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe
PID 2156 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe
PID 2156 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe
PID 2156 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe
PID 2156 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe
PID 2156 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe
PID 2156 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f55920966b4970588ce643af0fcc03a7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f55920966b4970588ce643af0fcc03a7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\msiexec.exe

msiexec.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 axelerode.club udp
US 44.221.84.105:443 axelerode.club tcp
US 8.8.8.8:53 axelerode.host udp

Files

memory/2156-0-0x0000000002190000-0x0000000002B00000-memory.dmp

memory/2156-2-0x00000000021F4000-0x00000000021F7000-memory.dmp

memory/2156-3-0x0000000002190000-0x0000000002B00000-memory.dmp

memory/2156-5-0x00000000021F4000-0x00000000021F7000-memory.dmp

memory/2156-4-0x0000000002190000-0x0000000002B00000-memory.dmp

memory/2156-6-0x0000000002190000-0x0000000002B00000-memory.dmp

memory/3052-8-0x00000000000C0000-0x00000000000C1000-memory.dmp

memory/3052-7-0x0000000000090000-0x00000000000BC000-memory.dmp

memory/3052-9-0x0000000000090000-0x00000000000BC000-memory.dmp

memory/2156-10-0x0000000002190000-0x0000000002B00000-memory.dmp

memory/3052-12-0x0000000000090000-0x00000000000BC000-memory.dmp

memory/3052-13-0x0000000000090000-0x00000000000BC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-25 06:02

Reported

2024-09-25 06:04

Platform

win10v2004-20240802-en

Max time kernel

95s

Max time network

96s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f55920966b4970588ce643af0fcc03a7_JaffaCakes118.dll,#1

Signatures

Zloader, Terdot, DELoader, ZeusSphinx

trojan botnet zloader

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Edhuoh = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Fadeu\\ugehocuc.dll,DllRegisterServer" C:\Windows\SysWOW64\msiexec.exe N/A

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3740 set thread context of 2216 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\msiexec.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f55920966b4970588ce643af0fcc03a7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f55920966b4970588ce643af0fcc03a7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\msiexec.exe

msiexec.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 axelerode.club udp
US 44.221.84.105:443 axelerode.club tcp
US 8.8.8.8:53 axelerode.host udp
US 8.8.8.8:53 105.84.221.44.in-addr.arpa udp
US 8.8.8.8:53 axelerode.host udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 axelerode.host udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/3740-1-0x0000000002CE0000-0x0000000003650000-memory.dmp

memory/3740-2-0x0000000002CE0000-0x0000000003650000-memory.dmp

memory/3740-4-0x0000000002CE0000-0x0000000003650000-memory.dmp

memory/3740-3-0x0000000002D44000-0x0000000002D47000-memory.dmp

memory/3740-5-0x0000000002CE0000-0x0000000003650000-memory.dmp

memory/3740-6-0x0000000002CE0000-0x0000000003650000-memory.dmp

memory/3740-7-0x0000000002CE0000-0x0000000003650000-memory.dmp

memory/2216-8-0x0000000000470000-0x000000000049C000-memory.dmp

memory/3740-10-0x0000000002CE0000-0x0000000003650000-memory.dmp

memory/2216-12-0x0000000000470000-0x000000000049C000-memory.dmp

memory/2216-13-0x0000000000470000-0x000000000049C000-memory.dmp