Malware Analysis Report

2025-01-18 12:38

Sample ID 240404-bvz7wabb49
Target abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118
SHA256 8b10a744ecc77aa0c6ed8596d46513a3de252356f9a1b52cc7c6e8ed459c36b9
Tags
formbook cnp0 rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8b10a744ecc77aa0c6ed8596d46513a3de252356f9a1b52cc7c6e8ed459c36b9

Threat Level: Known bad

The file abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook cnp0 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

2024-04-04 01:28

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-04 01:28

Reported

2024-04-04 01:31

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_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\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 9.173.189.20.in-addr.arpa udp

Files

memory/1916-0-0x0000000074FD0000-0x0000000075780000-memory.dmp

memory/1916-1-0x0000000000EB0000-0x0000000000F9E000-memory.dmp

memory/1916-2-0x0000000008390000-0x0000000008934000-memory.dmp

memory/1916-3-0x0000000007E80000-0x0000000007F12000-memory.dmp

memory/1916-4-0x0000000005920000-0x0000000005930000-memory.dmp

memory/1916-5-0x0000000007E40000-0x0000000007E4A000-memory.dmp

memory/1916-6-0x0000000009160000-0x000000000916E000-memory.dmp

memory/1916-7-0x0000000074FD0000-0x0000000075780000-memory.dmp

memory/1916-8-0x0000000005920000-0x0000000005930000-memory.dmp

memory/1916-9-0x000000000CDC0000-0x000000000CE5C000-memory.dmp

memory/1916-10-0x000000000CEB0000-0x000000000CF08000-memory.dmp

memory/4008-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1916-13-0x0000000074FD0000-0x0000000075780000-memory.dmp

memory/4008-14-0x0000000001140000-0x000000000148A000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-04 01:28

Reported

2024-04-04 01:31

Platform

win7-20240221-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

rat
Description Indicator Process Target
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\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1692 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe
PID 1692 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe
PID 1692 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe
PID 1692 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe
PID 1692 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe
PID 1692 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe
PID 1692 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\abf416a9f8f2da1f9bd6e44a9369ae21_JaffaCakes118.exe"

Network

N/A

Files

memory/1692-0-0x0000000000F10000-0x0000000000FFE000-memory.dmp

memory/1692-1-0x0000000074C60000-0x000000007534E000-memory.dmp

memory/1692-2-0x0000000007360000-0x00000000073A0000-memory.dmp

memory/1692-3-0x0000000000440000-0x000000000044E000-memory.dmp

memory/1692-4-0x0000000074C60000-0x000000007534E000-memory.dmp

memory/1692-5-0x0000000007360000-0x00000000073A0000-memory.dmp

memory/1692-6-0x0000000004AF0000-0x0000000004B48000-memory.dmp

memory/2408-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2408-9-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2408-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2408-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1692-14-0x0000000074C60000-0x000000007534E000-memory.dmp

memory/2408-15-0x0000000000A20000-0x0000000000D23000-memory.dmp