Malware Analysis Report

2025-03-15 04:38

Sample ID 241027-18xfks1paj
Target 7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118
SHA256 6abf303ed71a7d1117ffc94e34ebbef57ab296584c1a801b8023a9e3bf0f91d4
Tags
formbook t052 discovery 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

6abf303ed71a7d1117ffc94e34ebbef57ab296584c1a801b8023a9e3bf0f91d4

Threat Level: Known bad

The file 7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook t052 discovery rat spyware stealer trojan

Formbook

Formbook family

Formbook payload

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-27 22:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-27 22:19

Reported

2024-10-27 22:27

Platform

win7-20240903-en

Max time kernel

120s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook family

formbook

Formbook payload

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2332 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe
PID 2332 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe
PID 2332 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe
PID 2332 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe
PID 2332 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe
PID 2332 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe
PID 2332 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe"

Network

N/A

Files

memory/2332-0-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

memory/2332-1-0x0000000001110000-0x000000000125E000-memory.dmp

memory/2332-2-0x0000000074DA0000-0x000000007548E000-memory.dmp

memory/2332-3-0x0000000000450000-0x000000000046A000-memory.dmp

memory/2332-4-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

memory/2332-5-0x0000000074DA0000-0x000000007548E000-memory.dmp

memory/2332-6-0x0000000006420000-0x00000000064C2000-memory.dmp

memory/2332-7-0x0000000000E20000-0x0000000000E54000-memory.dmp

memory/2892-8-0x0000000000400000-0x000000000042E000-memory.dmp

memory/2892-9-0x0000000000400000-0x000000000042E000-memory.dmp

memory/2892-12-0x0000000000400000-0x000000000042E000-memory.dmp

memory/2892-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2332-13-0x0000000074DA0000-0x000000007548E000-memory.dmp

memory/2892-14-0x0000000000990000-0x0000000000C93000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-27 22:19

Reported

2024-10-27 22:27

Platform

win10v2004-20241007-en

Max time kernel

135s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook family

formbook

Formbook payload

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7639eda1dbb366bc84e290cc589e1fb3_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 73.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 66.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa 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
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/2044-0-0x00000000750CE000-0x00000000750CF000-memory.dmp

memory/2044-1-0x0000000000160000-0x00000000002AE000-memory.dmp

memory/2044-2-0x0000000004C20000-0x0000000004CBC000-memory.dmp

memory/2044-3-0x00000000052E0000-0x0000000005884000-memory.dmp

memory/2044-4-0x0000000004DD0000-0x0000000004E62000-memory.dmp

memory/2044-5-0x0000000004CF0000-0x0000000004CFA000-memory.dmp

memory/2044-6-0x0000000004E70000-0x0000000004EC6000-memory.dmp

memory/2044-7-0x00000000750C0000-0x0000000075870000-memory.dmp

memory/2044-8-0x0000000005890000-0x0000000005BE4000-memory.dmp

memory/2044-9-0x0000000006540000-0x000000000655A000-memory.dmp

memory/2044-10-0x00000000750CE000-0x00000000750CF000-memory.dmp

memory/2044-11-0x00000000750C0000-0x0000000075870000-memory.dmp

memory/2044-12-0x0000000008070000-0x0000000008112000-memory.dmp

memory/2044-13-0x0000000006750000-0x0000000006784000-memory.dmp

memory/3452-14-0x0000000000400000-0x000000000042E000-memory.dmp

memory/2044-16-0x00000000750C0000-0x0000000075870000-memory.dmp

memory/3452-17-0x00000000011E0000-0x000000000152A000-memory.dmp