Malware Analysis Report

2025-01-18 12:41

Sample ID 240403-a88kqsah58
Target 9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118
SHA256 4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6
Tags
formbook g8ni rat spyware stealer 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

4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6

Threat Level: Known bad

The file 9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook g8ni rat spyware stealer trojan

Formbook

Formbook payload

Checks computer location settings

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Creates scheduled task(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-03 00:54

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-03 00:54

Reported

2024-04-03 00:56

Platform

win7-20231129-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Enumerates physical storage devices

Creates scheduled task(s)

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2392 wrote to memory of 2460 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2392 wrote to memory of 2460 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2392 wrote to memory of 2460 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2392 wrote to memory of 2460 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2392 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe
PID 2392 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe
PID 2392 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe
PID 2392 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe
PID 2392 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe
PID 2392 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe
PID 2392 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zeVezGXu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCF60.tmp"

C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe"

Network

N/A

Files

memory/2392-0-0x0000000000C60000-0x0000000000CEE000-memory.dmp

memory/2392-1-0x0000000073EF0000-0x00000000745DE000-memory.dmp

memory/2392-2-0x0000000004D10000-0x0000000004D50000-memory.dmp

memory/2392-3-0x00000000003C0000-0x00000000003CE000-memory.dmp

memory/2392-4-0x0000000073EF0000-0x00000000745DE000-memory.dmp

memory/2392-5-0x0000000004D10000-0x0000000004D50000-memory.dmp

memory/2392-6-0x0000000000A00000-0x0000000000A58000-memory.dmp

memory/2548-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2548-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2548-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2548-18-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2548-20-0x0000000000930000-0x0000000000C33000-memory.dmp

memory/2392-19-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-03 00:54

Reported

2024-04-03 00:56

Platform

win10v2004-20240226-en

Max time kernel

144s

Max time network

160s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 968 wrote to memory of 2460 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 968 wrote to memory of 2460 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 968 wrote to memory of 2460 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 968 wrote to memory of 4628 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe
PID 968 wrote to memory of 4628 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe
PID 968 wrote to memory of 4628 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe
PID 968 wrote to memory of 2124 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe
PID 968 wrote to memory of 2124 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe
PID 968 wrote to memory of 2124 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe
PID 968 wrote to memory of 2124 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe
PID 968 wrote to memory of 2124 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe
PID 968 wrote to memory of 2124 N/A C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zeVezGXu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8102.tmp"

C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9bbdfbdfbfc6807ee9bae456d17987c6_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 152.33.115.104.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 84.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 78.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 7.173.189.20.in-addr.arpa udp

Files

memory/968-0-0x0000000000A30000-0x0000000000ABE000-memory.dmp

memory/968-1-0x0000000075150000-0x0000000075900000-memory.dmp

memory/968-2-0x00000000059B0000-0x0000000005F54000-memory.dmp

memory/968-3-0x00000000054A0000-0x0000000005532000-memory.dmp

memory/968-4-0x0000000005620000-0x0000000005630000-memory.dmp

memory/968-5-0x0000000005480000-0x000000000548A000-memory.dmp

memory/968-6-0x0000000005740000-0x000000000574E000-memory.dmp

memory/968-7-0x0000000075150000-0x0000000075900000-memory.dmp

memory/968-8-0x0000000005620000-0x0000000005630000-memory.dmp

memory/968-9-0x00000000082A0000-0x000000000833C000-memory.dmp

memory/968-10-0x00000000083A0000-0x00000000083F8000-memory.dmp

memory/2124-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/968-18-0x0000000075150000-0x0000000075900000-memory.dmp

memory/2124-19-0x00000000014A0000-0x00000000017EA000-memory.dmp