Malware Analysis Report

2025-01-18 12:41

Sample ID 240403-xt9wksaa4w
Target a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118
SHA256 2a2187ae775f286c2400957b71aac1c550779fc6652a710d126546d4d4879f0f
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

2a2187ae775f286c2400957b71aac1c550779fc6652a710d126546d4d4879f0f

Threat Level: Known bad

The file a445dd187c6dc7254da6d2f0d893f2fb_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

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-03 19:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-03 19:09

Reported

2024-04-03 19:12

Platform

win7-20240221-en

Max time kernel

118s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_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\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2180 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2180 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2180 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2180 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2180 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe
PID 2180 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe
PID 2180 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe
PID 2180 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe
PID 2180 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe
PID 2180 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe
PID 2180 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe
PID 2180 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe
PID 2180 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe
PID 2180 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe
PID 2180 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLhDhkGdnNl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD587.tmp"

C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe"

Network

N/A

Files

memory/2180-0-0x0000000000B50000-0x0000000000BD6000-memory.dmp

memory/2180-1-0x0000000074010000-0x00000000746FE000-memory.dmp

memory/2180-2-0x0000000002040000-0x0000000002080000-memory.dmp

memory/2180-3-0x0000000000360000-0x000000000036E000-memory.dmp

memory/2180-4-0x0000000074010000-0x00000000746FE000-memory.dmp

memory/2180-5-0x0000000002040000-0x0000000002080000-memory.dmp

memory/2180-6-0x00000000070C0000-0x0000000007118000-memory.dmp

memory/2544-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2544-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2544-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2544-18-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2180-19-0x0000000074010000-0x00000000746FE000-memory.dmp

memory/2544-20-0x0000000000BE0000-0x0000000000EE3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-03 19:09

Reported

2024-04-03 19:12

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_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\a445dd187c6dc7254da6d2f0d893f2fb_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\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1716 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1716 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1716 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1716 wrote to memory of 3216 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe
PID 1716 wrote to memory of 3216 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe
PID 1716 wrote to memory of 3216 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe
PID 1716 wrote to memory of 3216 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe
PID 1716 wrote to memory of 3216 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe
PID 1716 wrote to memory of 3216 N/A C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLhDhkGdnNl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2D9.tmp"

C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a445dd187c6dc7254da6d2f0d893f2fb_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 210.108.222.173.in-addr.arpa udp
US 8.8.8.8:53 84.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 226.108.222.173.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 147.108.222.173.in-addr.arpa udp
US 8.8.8.8:53 5.173.189.20.in-addr.arpa udp

Files

memory/1716-0-0x0000000075320000-0x0000000075AD0000-memory.dmp

memory/1716-1-0x0000000000D90000-0x0000000000E16000-memory.dmp

memory/1716-2-0x0000000008210000-0x00000000087B4000-memory.dmp

memory/1716-3-0x0000000007D00000-0x0000000007D92000-memory.dmp

memory/1716-4-0x00000000057B0000-0x00000000057C0000-memory.dmp

memory/1716-5-0x0000000007CC0000-0x0000000007CCA000-memory.dmp

memory/1716-6-0x00000000080D0000-0x00000000080DE000-memory.dmp

memory/1716-7-0x0000000075320000-0x0000000075AD0000-memory.dmp

memory/1716-8-0x00000000057B0000-0x00000000057C0000-memory.dmp

memory/1716-9-0x000000000CD10000-0x000000000CDAC000-memory.dmp

memory/1716-10-0x000000000CE60000-0x000000000CEB8000-memory.dmp

memory/3216-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1716-18-0x0000000075320000-0x0000000075AD0000-memory.dmp

memory/3216-19-0x0000000001980000-0x0000000001CCA000-memory.dmp