Malware Analysis Report

2025-01-18 12:40

Sample ID 240402-xa7xwaaa59
Target 9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118
SHA256 da4990bc142f92e8cff75d8394bbe43569e1f5454a10d38dca22114d2c2fa6bd
Tags
formbook s6tn rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

da4990bc142f92e8cff75d8394bbe43569e1f5454a10d38dca22114d2c2fa6bd

Threat Level: Known bad

The file 9416bcf98a5d728bba79b87e1aa43466_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

2024-04-02 18:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-02 18:40

Reported

2024-04-02 18:42

Platform

win7-20240221-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_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\%Namee% C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\%Namee% C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.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\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1968 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
PID 1968 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
PID 1968 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
PID 1968 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
PID 1968 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe
PID 1968 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe
PID 1968 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe
PID 1968 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe
PID 1968 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe
PID 1968 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe
PID 1968 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe"

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

"PowerShell" copy-item 'C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\%Namee%'

C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe"

Network

N/A

Files

memory/1968-1-0x0000000074640000-0x0000000074D2E000-memory.dmp

memory/1968-0-0x0000000000A50000-0x0000000000AAC000-memory.dmp

memory/2292-4-0x000000006FFE0000-0x000000007058B000-memory.dmp

memory/2292-5-0x0000000002950000-0x0000000002990000-memory.dmp

memory/2292-7-0x0000000002950000-0x0000000002990000-memory.dmp

memory/2292-6-0x000000006FFE0000-0x000000007058B000-memory.dmp

memory/2292-9-0x000000006FFE0000-0x000000007058B000-memory.dmp

memory/1968-10-0x0000000074640000-0x0000000074D2E000-memory.dmp

memory/1968-11-0x00000000003E0000-0x00000000003FC000-memory.dmp

memory/1968-12-0x00000000003E0000-0x00000000003F5000-memory.dmp

memory/1968-13-0x00000000003E0000-0x00000000003F5000-memory.dmp

memory/1968-15-0x00000000003E0000-0x00000000003F5000-memory.dmp

memory/1968-17-0x00000000003E0000-0x00000000003F5000-memory.dmp

memory/1968-19-0x00000000003E0000-0x00000000003F5000-memory.dmp

memory/1968-21-0x00000000003E0000-0x00000000003F5000-memory.dmp

memory/1968-23-0x00000000003E0000-0x00000000003F5000-memory.dmp

memory/1968-25-0x00000000003E0000-0x00000000003F5000-memory.dmp

memory/1968-27-0x00000000003E0000-0x00000000003F5000-memory.dmp

memory/1968-29-0x00000000003E0000-0x00000000003F5000-memory.dmp

memory/1968-31-0x00000000003E0000-0x00000000003F5000-memory.dmp

memory/1968-33-0x00000000003E0000-0x00000000003F5000-memory.dmp

memory/1968-35-0x00000000003E0000-0x00000000003F5000-memory.dmp

memory/1968-36-0x00000000009E0000-0x00000000009E1000-memory.dmp

memory/2928-37-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2928-43-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2928-41-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2928-39-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1968-44-0x0000000074640000-0x0000000074D2E000-memory.dmp

memory/2928-45-0x0000000000AB0000-0x0000000000DB3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-02 18:40

Reported

2024-04-02 18:42

Platform

win10v2004-20240226-en

Max time kernel

91s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_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\%Namee% 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\%Namee% 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\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3388 wrote to memory of 4164 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
PID 3388 wrote to memory of 4164 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
PID 3388 wrote to memory of 4164 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
PID 3388 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe
PID 3388 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe
PID 3388 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe
PID 3388 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe
PID 3388 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe
PID 3388 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe"

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

"PowerShell" copy-item 'C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\%Namee%'

C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9416bcf98a5d728bba79b87e1aa43466_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 28.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 9.134.221.88.in-addr.arpa udp

Files

memory/3388-0-0x0000000000E50000-0x0000000000EAC000-memory.dmp

memory/3388-1-0x0000000074FE0000-0x0000000075790000-memory.dmp

memory/3388-2-0x0000000005860000-0x00000000058FC000-memory.dmp

memory/3388-3-0x0000000005EB0000-0x0000000006454000-memory.dmp

memory/4164-5-0x0000000074FE0000-0x0000000075790000-memory.dmp

memory/4164-4-0x0000000002C60000-0x0000000002C96000-memory.dmp

memory/4164-6-0x0000000005170000-0x0000000005180000-memory.dmp

memory/4164-8-0x00000000057B0000-0x0000000005DD8000-memory.dmp

memory/4164-7-0x0000000005170000-0x0000000005180000-memory.dmp

memory/4164-9-0x00000000055C0000-0x00000000055E2000-memory.dmp

memory/4164-10-0x0000000005EE0000-0x0000000005F46000-memory.dmp

memory/4164-16-0x0000000005F50000-0x0000000005FB6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5qabu3vi.bsm.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4164-21-0x0000000006000000-0x0000000006354000-memory.dmp

memory/4164-22-0x00000000065F0000-0x000000000660E000-memory.dmp

memory/4164-23-0x0000000006640000-0x000000000668C000-memory.dmp

memory/4164-24-0x00000000075B0000-0x0000000007646000-memory.dmp

memory/4164-25-0x0000000006AE0000-0x0000000006AFA000-memory.dmp

memory/4164-26-0x0000000006B70000-0x0000000006B92000-memory.dmp

memory/4164-30-0x0000000074FE0000-0x0000000075790000-memory.dmp

memory/3388-31-0x0000000074FE0000-0x0000000075790000-memory.dmp

memory/3388-32-0x0000000005B70000-0x0000000005B8C000-memory.dmp

memory/3388-33-0x0000000005B70000-0x0000000005B85000-memory.dmp

memory/3388-34-0x0000000005B70000-0x0000000005B85000-memory.dmp

memory/3388-36-0x0000000005B70000-0x0000000005B85000-memory.dmp

memory/3388-38-0x0000000005B70000-0x0000000005B85000-memory.dmp

memory/3388-40-0x0000000005B70000-0x0000000005B85000-memory.dmp

memory/3388-42-0x0000000005B70000-0x0000000005B85000-memory.dmp

memory/3388-44-0x0000000005B70000-0x0000000005B85000-memory.dmp

memory/3388-46-0x0000000005B70000-0x0000000005B85000-memory.dmp

memory/3388-50-0x0000000005B70000-0x0000000005B85000-memory.dmp

memory/3388-48-0x0000000005B70000-0x0000000005B85000-memory.dmp

memory/3388-52-0x0000000005B70000-0x0000000005B85000-memory.dmp

memory/3388-54-0x0000000005B70000-0x0000000005B85000-memory.dmp

memory/3388-56-0x0000000005B70000-0x0000000005B85000-memory.dmp

memory/5028-57-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3388-60-0x0000000074FE0000-0x0000000075790000-memory.dmp

memory/3388-59-0x0000000005BE0000-0x0000000005BF0000-memory.dmp

memory/3388-61-0x0000000005BC0000-0x0000000005BC1000-memory.dmp

memory/5028-62-0x00000000019A0000-0x0000000001CEA000-memory.dmp