Malware Analysis Report

2025-01-18 12:39

Sample ID 240402-yvmm4scb89
Target 95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118
SHA256 4302ab0f740b3950f47a0cbd76e75681a6d3118ac97154450a2daf258fa70db5
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

4302ab0f740b3950f47a0cbd76e75681a6d3118ac97154450a2daf258fa70db5

Threat Level: Known bad

The file 95fa1b0ecaaf1530a49fc9983aaf3e75_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

Program crash

Enumerates physical storage devices

Unsigned PE

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-02 20:06

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-02 20:06

Reported

2024-04-02 20:09

Platform

win7-20240221-en

Max time kernel

122s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_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\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2560 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2560 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2560 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2560 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2560 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe
PID 2560 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe
PID 2560 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe
PID 2560 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe
PID 2560 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe
PID 2560 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe
PID 2560 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe
PID 2852 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2852 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2852 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2852 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BeTfdNTSbqtI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp273F.tmp"

C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 36

Network

N/A

Files

memory/2560-0-0x0000000000CA0000-0x0000000000D4A000-memory.dmp

memory/2560-1-0x0000000073FE0000-0x00000000746CE000-memory.dmp

memory/2560-2-0x0000000000AA0000-0x0000000000AE0000-memory.dmp

memory/2560-3-0x00000000003D0000-0x00000000003DE000-memory.dmp

memory/2560-4-0x0000000073FE0000-0x00000000746CE000-memory.dmp

memory/2560-5-0x0000000000AA0000-0x0000000000AE0000-memory.dmp

memory/2560-6-0x0000000004EA0000-0x0000000004EF8000-memory.dmp

memory/2852-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2852-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2852-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2852-17-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2560-18-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-02 20:06

Reported

2024-04-02 20:09

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

164s

Command Line

"C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_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-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_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\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 412 wrote to memory of 4324 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 412 wrote to memory of 4324 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 412 wrote to memory of 4324 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 412 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe
PID 412 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe
PID 412 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe
PID 412 wrote to memory of 2012 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe
PID 412 wrote to memory of 2012 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe
PID 412 wrote to memory of 2012 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe
PID 412 wrote to memory of 4052 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe
PID 412 wrote to memory of 4052 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe
PID 412 wrote to memory of 4052 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe
PID 412 wrote to memory of 4052 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe
PID 412 wrote to memory of 4052 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe
PID 412 wrote to memory of 4052 N/A C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BeTfdNTSbqtI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp369B.tmp"

C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\95fa1b0ecaaf1530a49fc9983aaf3e75_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 84.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 227.97.18.2.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.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 8.8.8.8:53 139.203.100.95.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 16.173.189.20.in-addr.arpa udp

Files

memory/412-0-0x00000000745F0000-0x0000000074DA0000-memory.dmp

memory/412-1-0x0000000000CD0000-0x0000000000D7A000-memory.dmp

memory/412-2-0x0000000005D70000-0x0000000006314000-memory.dmp

memory/412-3-0x0000000005710000-0x00000000057A2000-memory.dmp

memory/412-4-0x00000000056F0000-0x0000000005700000-memory.dmp

memory/412-5-0x00000000058F0000-0x00000000058FA000-memory.dmp

memory/412-6-0x0000000006E50000-0x0000000006EEC000-memory.dmp

memory/412-7-0x0000000006A20000-0x0000000006A2E000-memory.dmp

memory/412-8-0x00000000745F0000-0x0000000074DA0000-memory.dmp

memory/412-9-0x00000000056F0000-0x0000000005700000-memory.dmp

memory/412-10-0x0000000006DF0000-0x0000000006E48000-memory.dmp

memory/4052-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/412-18-0x00000000745F0000-0x0000000074DA0000-memory.dmp

memory/4052-19-0x00000000011D0000-0x000000000151A000-memory.dmp