Malware Analysis Report

2025-01-18 15:45

Sample ID 240823-gnmk4aycpe
Target ba9c15b074368f545da5e615c81219ae_JaffaCakes118
SHA256 332cf63749f3d0d774dd96b408c170846c6cb8ab4c476a91b82cbc379d44d690
Tags
dridex 111 botnet discovery evasion loader 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

332cf63749f3d0d774dd96b408c170846c6cb8ab4c476a91b82cbc379d44d690

Threat Level: Known bad

The file ba9c15b074368f545da5e615c81219ae_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

dridex 111 botnet discovery evasion loader trojan

Dridex

Dridex Loader

Blocklisted process makes network request

Checks installed software on the system

Checks whether UAC is enabled

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-23 05:57

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-23 05:57

Reported

2024-08-23 05:59

Platform

win7-20240704-en

Max time kernel

150s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ba9c15b074368f545da5e615c81219ae_JaffaCakes118.dll,#1

Signatures

Dridex

botnet dridex

Dridex Loader

botnet loader
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

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

Checks installed software on the system

discovery

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\SysWOW64\rundll32.exe N/A

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2364 wrote to memory of 2820 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2364 wrote to memory of 2820 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2364 wrote to memory of 2820 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2364 wrote to memory of 2820 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2364 wrote to memory of 2820 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2364 wrote to memory of 2820 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2364 wrote to memory of 2820 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\ba9c15b074368f545da5e615c81219ae_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ba9c15b074368f545da5e615c81219ae_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 173.203.78.138:443 tcp
US 173.203.78.138:443 tcp

Files

memory/2820-0-0x00000000000E0000-0x00000000000E6000-memory.dmp

memory/2820-1-0x00000000750D0000-0x00000000750FC000-memory.dmp

memory/2820-2-0x00000000750D0000-0x00000000750FC000-memory.dmp

memory/2820-3-0x00000000000E0000-0x00000000000E6000-memory.dmp

memory/2820-7-0x00000000750D0000-0x00000000750FC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-23 05:57

Reported

2024-08-23 05:59

Platform

win10v2004-20240802-en

Max time kernel

140s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ba9c15b074368f545da5e615c81219ae_JaffaCakes118.dll,#1

Signatures

Dridex

botnet dridex

Dridex Loader

botnet loader
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Checks installed software on the system

discovery

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\SysWOW64\rundll32.exe N/A

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1316 wrote to memory of 2108 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1316 wrote to memory of 2108 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1316 wrote to memory of 2108 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\ba9c15b074368f545da5e615c81219ae_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ba9c15b074368f545da5e615c81219ae_JaffaCakes118.dll,#1

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 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 37.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 173.203.78.138:443 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.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 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/2108-0-0x0000000074A80000-0x0000000074AAC000-memory.dmp

memory/2108-2-0x00000000009D0000-0x00000000009D6000-memory.dmp

memory/2108-3-0x0000000074A80000-0x0000000074AAC000-memory.dmp

memory/2108-5-0x0000000074A80000-0x0000000074AAC000-memory.dmp