Malware Analysis Report

2025-01-18 12:39

Sample ID 240403-d2dnkaef7z
Target 9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118
SHA256 3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995
Tags
formbook s6tn rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

3c002d7d7bfb83b56c94765d3f1cd9182993dabe4442e8f506fbe76334a01995

Threat Level: Known bad

The file 9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook s6tn rat spyware stealer trojan

Formbook

Formbook payload

Drops startup file

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-03 03:29

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-03 03:29

Reported

2024-04-03 03:32

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Newapp.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Newapp.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 868 wrote to memory of 512 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
PID 868 wrote to memory of 512 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
PID 868 wrote to memory of 512 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
PID 868 wrote to memory of 592 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe
PID 868 wrote to memory of 592 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe
PID 868 wrote to memory of 592 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe
PID 868 wrote to memory of 592 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe
PID 868 wrote to memory of 592 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe
PID 868 wrote to memory of 592 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe

"PowerShell" copy-item 'C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Newapp.exe'

C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 161.111.86.104.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 9.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 234.17.178.52.in-addr.arpa udp

Files

memory/868-0-0x0000000000A10000-0x0000000000A98000-memory.dmp

memory/868-1-0x0000000075200000-0x00000000759B0000-memory.dmp

memory/868-2-0x0000000005340000-0x00000000053DC000-memory.dmp

memory/868-3-0x0000000005990000-0x0000000005F34000-memory.dmp

memory/512-4-0x0000000004910000-0x0000000004946000-memory.dmp

memory/512-5-0x0000000075200000-0x00000000759B0000-memory.dmp

memory/512-7-0x0000000005070000-0x0000000005698000-memory.dmp

memory/512-6-0x0000000004A30000-0x0000000004A40000-memory.dmp

memory/512-8-0x0000000004A30000-0x0000000004A40000-memory.dmp

memory/512-9-0x0000000005030000-0x0000000005052000-memory.dmp

memory/512-10-0x0000000005810000-0x0000000005876000-memory.dmp

memory/512-16-0x00000000058F0000-0x0000000005956000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x52jyb3s.che.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/512-21-0x0000000005960000-0x0000000005CB4000-memory.dmp

memory/512-22-0x0000000005EE0000-0x0000000005EFE000-memory.dmp

memory/512-23-0x0000000005F10000-0x0000000005F5C000-memory.dmp

memory/512-24-0x00000000070F0000-0x0000000007186000-memory.dmp

memory/512-25-0x00000000063A0000-0x00000000063BA000-memory.dmp

memory/512-26-0x0000000006400000-0x0000000006422000-memory.dmp

memory/512-30-0x0000000075200000-0x00000000759B0000-memory.dmp

memory/868-31-0x0000000075200000-0x00000000759B0000-memory.dmp

memory/868-32-0x0000000005270000-0x000000000528C000-memory.dmp

memory/868-36-0x0000000005270000-0x0000000005285000-memory.dmp

memory/868-34-0x0000000005270000-0x0000000005285000-memory.dmp

memory/868-40-0x0000000005270000-0x0000000005285000-memory.dmp

memory/868-38-0x0000000005270000-0x0000000005285000-memory.dmp

memory/868-42-0x0000000005270000-0x0000000005285000-memory.dmp

memory/868-33-0x0000000005270000-0x0000000005285000-memory.dmp

memory/868-48-0x0000000005270000-0x0000000005285000-memory.dmp

memory/868-52-0x0000000005270000-0x0000000005285000-memory.dmp

memory/868-50-0x0000000005270000-0x0000000005285000-memory.dmp

memory/868-54-0x0000000005270000-0x0000000005285000-memory.dmp

memory/868-46-0x0000000005270000-0x0000000005285000-memory.dmp

memory/868-56-0x0000000005270000-0x0000000005285000-memory.dmp

memory/868-44-0x0000000005270000-0x0000000005285000-memory.dmp

memory/592-58-0x0000000000400000-0x000000000042F000-memory.dmp

memory/868-57-0x0000000005840000-0x0000000005850000-memory.dmp

memory/868-59-0x00000000057B0000-0x00000000057B1000-memory.dmp

memory/868-61-0x0000000075200000-0x00000000759B0000-memory.dmp

memory/592-62-0x00000000012F0000-0x000000000163A000-memory.dmp

memory/592-63-0x00000000012F0000-0x000000000163A000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-03 03:29

Reported

2024-04-03 03:32

Platform

win7-20240221-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Newapp.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Newapp.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2172 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
PID 2172 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
PID 2172 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
PID 2172 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
PID 2172 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe
PID 2172 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe
PID 2172 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe
PID 2172 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe
PID 2172 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe
PID 2172 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe
PID 2172 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe
PID 2172 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe
PID 2172 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe
PID 2172 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe
PID 2172 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe

"PowerShell" copy-item 'C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Newapp.exe'

C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9eeccc9b585e1ffdf53b20b3d4f4505d_JaffaCakes118.exe"

Network

N/A

Files

memory/2172-0-0x0000000000960000-0x00000000009E8000-memory.dmp

memory/2172-1-0x00000000744D0000-0x0000000074BBE000-memory.dmp

memory/2072-4-0x000000006FE60000-0x000000007040B000-memory.dmp

memory/2072-5-0x0000000002980000-0x00000000029C0000-memory.dmp

memory/2072-6-0x0000000002980000-0x00000000029C0000-memory.dmp

memory/2072-7-0x000000006FE60000-0x000000007040B000-memory.dmp

memory/2072-9-0x000000006FE60000-0x000000007040B000-memory.dmp

memory/2172-10-0x00000000744D0000-0x0000000074BBE000-memory.dmp

memory/2172-11-0x0000000000290000-0x00000000002AC000-memory.dmp

memory/2172-12-0x0000000000290000-0x00000000002A5000-memory.dmp

memory/2172-13-0x0000000000290000-0x00000000002A5000-memory.dmp

memory/2172-15-0x0000000000290000-0x00000000002A5000-memory.dmp

memory/2172-17-0x0000000000290000-0x00000000002A5000-memory.dmp

memory/2172-19-0x0000000000290000-0x00000000002A5000-memory.dmp

memory/2172-21-0x0000000000290000-0x00000000002A5000-memory.dmp

memory/2172-23-0x0000000000290000-0x00000000002A5000-memory.dmp

memory/2172-25-0x0000000000290000-0x00000000002A5000-memory.dmp

memory/2172-27-0x0000000000290000-0x00000000002A5000-memory.dmp

memory/2172-29-0x0000000000290000-0x00000000002A5000-memory.dmp

memory/2172-31-0x0000000000290000-0x00000000002A5000-memory.dmp

memory/2172-35-0x0000000000290000-0x00000000002A5000-memory.dmp

memory/2172-33-0x0000000000290000-0x00000000002A5000-memory.dmp

memory/2172-37-0x00000000008C0000-0x00000000008C1000-memory.dmp

memory/2172-36-0x00000000004E0000-0x0000000000520000-memory.dmp

memory/2708-38-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2708-40-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2708-42-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2708-44-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2708-46-0x00000000009F0000-0x0000000000CF3000-memory.dmp

memory/2172-45-0x00000000744D0000-0x0000000074BBE000-memory.dmp