Malware Analysis Report

2024-10-19 09:35

Sample ID 240510-cem32scd2w
Target 2cc9f4a819185333bc946cbe1c550210_JaffaCakes118
SHA256 2ffe3df675a097fefad87b0c66d028ff6a732dbd67f4385777c4fb52a3e60994
Tags
formbook te 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

2ffe3df675a097fefad87b0c66d028ff6a732dbd67f4385777c4fb52a3e60994

Threat Level: Known bad

The file 2cc9f4a819185333bc946cbe1c550210_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook te rat spyware stealer trojan

Formbook

Formbook payload

Checks computer location settings

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-10 01:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-10 01:59

Reported

2024-05-10 02:02

Platform

win7-20240221-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_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\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2328 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2328 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2328 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2328 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2328 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe
PID 2328 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe
PID 2328 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe
PID 2328 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe
PID 2328 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe
PID 2328 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe
PID 2328 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aPoVrnLXZTfD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE58E.tmp"

C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe

"{path}"

Network

N/A

Files

memory/2328-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

memory/2328-1-0x0000000000860000-0x000000000094A000-memory.dmp

memory/2328-2-0x00000000744D0000-0x0000000074BBE000-memory.dmp

memory/2328-3-0x0000000000500000-0x0000000000512000-memory.dmp

memory/2328-4-0x00000000744DE000-0x00000000744DF000-memory.dmp

memory/2328-5-0x00000000744D0000-0x0000000074BBE000-memory.dmp

memory/2328-6-0x0000000005F20000-0x0000000005FAE000-memory.dmp

memory/2328-7-0x0000000008040000-0x00000000080BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpE58E.tmp

MD5 d5be679df9b01b7d7a7bf44bbbf23012
SHA1 ee1017fc2b25803c6f42d71d99ef3eac02cd44f7
SHA256 91cdf81a88a3d7c327e7aff207b1e397983cb303298571c0d60c86c8186df863
SHA512 6662c7fdfc0394fef103ad37a703500d9094a73d544b677fd9bc8b6cc96a857b84a5af734ca2e0f8d86e8da4f81b80a5cb8aac3f7b571cc2b988662be8872abf

memory/2228-11-0x0000000000400000-0x000000000042E000-memory.dmp

memory/2228-17-0x0000000000400000-0x000000000042E000-memory.dmp

memory/2228-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2228-13-0x0000000000400000-0x000000000042E000-memory.dmp

memory/2328-18-0x00000000744D0000-0x0000000074BBE000-memory.dmp

memory/2228-19-0x0000000000C40000-0x0000000000F43000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-10 01:59

Reported

2024-05-10 02:02

Platform

win10v2004-20240508-en

Max time kernel

93s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_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\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4532 wrote to memory of 1104 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 4532 wrote to memory of 1104 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 4532 wrote to memory of 1104 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 4532 wrote to memory of 3384 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe
PID 4532 wrote to memory of 3384 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe
PID 4532 wrote to memory of 3384 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe
PID 4532 wrote to memory of 3384 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe
PID 4532 wrote to memory of 3384 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe
PID 4532 wrote to memory of 3384 N/A C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aPoVrnLXZTfD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB7.tmp"

C:\Users\Admin\AppData\Local\Temp\2cc9f4a819185333bc946cbe1c550210_JaffaCakes118.exe

"{path}"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/4532-0-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

memory/4532-1-0x0000000000960000-0x0000000000A4A000-memory.dmp

memory/4532-2-0x0000000005810000-0x0000000005DB4000-memory.dmp

memory/4532-3-0x0000000005300000-0x0000000005392000-memory.dmp

memory/4532-4-0x00000000052F0000-0x00000000052FA000-memory.dmp

memory/4532-5-0x0000000074A20000-0x00000000751D0000-memory.dmp

memory/4532-6-0x0000000007C30000-0x0000000007CCC000-memory.dmp

memory/4532-7-0x00000000064C0000-0x00000000064D2000-memory.dmp

memory/4532-8-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

memory/4532-9-0x0000000074A20000-0x00000000751D0000-memory.dmp

memory/4532-10-0x0000000007E00000-0x0000000007E8E000-memory.dmp

memory/4532-11-0x000000000A600000-0x000000000A67A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpB7.tmp

MD5 88f6e47b0f3f9736b361f47193a35c66
SHA1 1b4519832f5f58fc4b3cbeff8ee6c65eb66a494d
SHA256 b906832c47ab8d2bb9199ee0d1fa2e380e5ed3009a849ab7b4f8621bf6a3741d
SHA512 3988918506cb1a8c3eeceb3d2ab42ade8a1cc4e19b9eeab7a516922454380ae80d552d6e64e861327b84a23a40a8333614e4b1d45a197fdd2ca8f70d72cbcc76

memory/3384-15-0x0000000000400000-0x000000000042E000-memory.dmp

memory/4532-17-0x0000000074A20000-0x00000000751D0000-memory.dmp

memory/3384-18-0x0000000001960000-0x0000000001CAA000-memory.dmp