Malware Analysis Report

2025-04-14 08:32

Sample ID 240922-c13evsyalb
Target f11bb81e041a91db95a1926039272956_JaffaCakes118
SHA256 72b5d68d6c8950e772883b8f387299c41af00d127279bdd485e7df876a8d1cc7
Tags
formbook c6ns discovery execution 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

72b5d68d6c8950e772883b8f387299c41af00d127279bdd485e7df876a8d1cc7

Threat Level: Known bad

The file f11bb81e041a91db95a1926039272956_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook c6ns discovery execution rat spyware stealer trojan

Formbook

Formbook payload

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-22 02:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-22 02:33

Reported

2024-09-22 02:35

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Enumerates physical storage devices

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\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe N/A
N/A N/A 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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2228 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2228 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2228 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2228 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2228 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe
PID 2228 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe
PID 2228 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe
PID 2228 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe
PID 2228 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe
PID 2228 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe
PID 2228 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe"

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe"

Network

N/A

Files

memory/2228-0-0x0000000074AB1000-0x0000000074AB2000-memory.dmp

memory/2228-1-0x0000000074AB0000-0x000000007505B000-memory.dmp

memory/2228-2-0x0000000074AB0000-0x000000007505B000-memory.dmp

memory/2228-3-0x0000000074AB0000-0x000000007505B000-memory.dmp

memory/2228-4-0x0000000074AB0000-0x000000007505B000-memory.dmp

memory/2228-5-0x0000000074AB0000-0x000000007505B000-memory.dmp

memory/2600-8-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2600-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2600-14-0x0000000000700000-0x0000000000A03000-memory.dmp

memory/2600-13-0x0000000000401000-0x000000000042F000-memory.dmp

memory/2600-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2600-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2228-15-0x0000000074AB0000-0x000000007505B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-22 02:33

Reported

2024-09-22 02:36

Platform

win10v2004-20240802-en

Max time kernel

96s

Max time network

98s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe N/A

Enumerates physical storage devices

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\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3864 wrote to memory of 3460 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3864 wrote to memory of 3460 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3864 wrote to memory of 3460 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3864 wrote to memory of 4148 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe
PID 3864 wrote to memory of 4148 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe
PID 3864 wrote to memory of 4148 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe
PID 3864 wrote to memory of 4148 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe
PID 3864 wrote to memory of 4148 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe
PID 3864 wrote to memory of 4148 N/A C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe"

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
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 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/3864-0-0x0000000074E02000-0x0000000074E03000-memory.dmp

memory/3864-1-0x0000000074E00000-0x00000000753B1000-memory.dmp

memory/3864-2-0x0000000074E00000-0x00000000753B1000-memory.dmp

memory/3864-3-0x0000000074E02000-0x0000000074E03000-memory.dmp

memory/3864-4-0x0000000074E00000-0x00000000753B1000-memory.dmp

memory/3864-5-0x0000000074E00000-0x00000000753B1000-memory.dmp

memory/3864-6-0x0000000074E00000-0x00000000753B1000-memory.dmp

memory/4148-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3864-9-0x0000000074E00000-0x00000000753B1000-memory.dmp

memory/4148-10-0x0000000001490000-0x00000000017DA000-memory.dmp

memory/3460-11-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

memory/3460-12-0x0000000002520000-0x0000000002556000-memory.dmp

memory/3460-14-0x0000000005150000-0x0000000005778000-memory.dmp

memory/3460-13-0x0000000074C90000-0x0000000075440000-memory.dmp

memory/3460-16-0x0000000004EB0000-0x0000000004ED2000-memory.dmp

memory/3460-15-0x0000000074C90000-0x0000000075440000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ltiec2r4.sgy.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/3460-20-0x00000000057F0000-0x0000000005856000-memory.dmp

memory/3460-17-0x0000000005780000-0x00000000057E6000-memory.dmp

memory/3460-28-0x0000000005960000-0x0000000005CB4000-memory.dmp

memory/3460-29-0x0000000005E60000-0x0000000005E7E000-memory.dmp

memory/3460-30-0x0000000005EA0000-0x0000000005EEC000-memory.dmp

memory/3460-31-0x0000000006430000-0x0000000006462000-memory.dmp

memory/3460-33-0x0000000074C90000-0x0000000075440000-memory.dmp

memory/3460-43-0x0000000006470000-0x000000000648E000-memory.dmp

memory/3460-32-0x0000000070AB0000-0x0000000070AFC000-memory.dmp

memory/3460-45-0x0000000074C90000-0x0000000075440000-memory.dmp

memory/3460-44-0x0000000007080000-0x0000000007123000-memory.dmp

memory/3460-46-0x0000000074C90000-0x0000000075440000-memory.dmp

memory/3460-47-0x00000000077D0000-0x0000000007E4A000-memory.dmp

memory/3460-48-0x0000000007190000-0x00000000071AA000-memory.dmp

memory/3460-49-0x0000000007200000-0x000000000720A000-memory.dmp

memory/3460-50-0x0000000007410000-0x00000000074A6000-memory.dmp

memory/3460-51-0x0000000007390000-0x00000000073A1000-memory.dmp

memory/3460-52-0x00000000073C0000-0x00000000073CE000-memory.dmp

memory/3460-53-0x00000000073D0000-0x00000000073E4000-memory.dmp

memory/3460-54-0x00000000074D0000-0x00000000074EA000-memory.dmp

memory/3460-55-0x00000000074B0000-0x00000000074B8000-memory.dmp

memory/3460-58-0x0000000074C90000-0x0000000075440000-memory.dmp