Malware Analysis Report

2025-01-18 12:39

Sample ID 240405-by3geahc49
Target c730921135664017f59128d4de5d43f9_JaffaCakes118
SHA256 d6a8c5f4120e3be2e6d676d808dbdadc074f811398ac5b03878baba7275137d4
Tags
formbook gr1c rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

d6a8c5f4120e3be2e6d676d808dbdadc074f811398ac5b03878baba7275137d4

Threat Level: Known bad

The file c730921135664017f59128d4de5d43f9_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook gr1c rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-05 01:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-05 01:34

Reported

2024-04-05 01:36

Platform

win7-20240221-en

Max time kernel

119s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1928 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe
PID 1928 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe
PID 1928 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe
PID 1928 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe
PID 1928 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe
PID 1928 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe
PID 1928 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe"

Network

N/A

Files

memory/1928-0-0x0000000000D30000-0x0000000000D9C000-memory.dmp

memory/1928-1-0x0000000073FF0000-0x00000000746DE000-memory.dmp

memory/1928-2-0x0000000004E30000-0x0000000004E70000-memory.dmp

memory/1928-3-0x0000000000490000-0x000000000049E000-memory.dmp

memory/1928-4-0x0000000073FF0000-0x00000000746DE000-memory.dmp

memory/1928-5-0x0000000004E30000-0x0000000004E70000-memory.dmp

memory/1928-6-0x0000000000B30000-0x0000000000B88000-memory.dmp

memory/2652-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2652-8-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2652-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2652-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1928-12-0x0000000073FF0000-0x00000000746DE000-memory.dmp

memory/2652-13-0x00000000008D0000-0x0000000000BD3000-memory.dmp

memory/2652-14-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-05 01:34

Reported

2024-04-05 01:36

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

160s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Processes

C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c730921135664017f59128d4de5d43f9_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 9.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 91.65.42.20.in-addr.arpa udp

Files

memory/488-0-0x0000000075250000-0x0000000075A00000-memory.dmp

memory/488-1-0x0000000000640000-0x00000000006AC000-memory.dmp

memory/488-2-0x0000000005750000-0x0000000005CF4000-memory.dmp

memory/488-3-0x0000000005080000-0x0000000005112000-memory.dmp

memory/488-4-0x0000000005290000-0x00000000052A0000-memory.dmp

memory/488-5-0x0000000005070000-0x000000000507A000-memory.dmp

memory/488-6-0x0000000006650000-0x000000000665E000-memory.dmp

memory/488-7-0x0000000075250000-0x0000000075A00000-memory.dmp

memory/488-8-0x0000000005290000-0x00000000052A0000-memory.dmp

memory/488-9-0x0000000007C10000-0x0000000007CAC000-memory.dmp

memory/488-10-0x0000000007D00000-0x0000000007D58000-memory.dmp

memory/2800-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/488-13-0x0000000075250000-0x0000000075A00000-memory.dmp

memory/2800-14-0x00000000014E0000-0x000000000182A000-memory.dmp

memory/2800-15-0x00000000014E0000-0x000000000182A000-memory.dmp