Malware Analysis Report

2024-10-23 22:21

Sample ID 240506-v5rg9sfb53
Target 1d9d946599bbe47314f6dfa89f1c6e77_JaffaCakes118
SHA256 15af9bb36b7a51efea7ab70d98a29ef7059f4f5b7178fef0aaff0671bf6c9386
Tags
formbook 3nk4 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

15af9bb36b7a51efea7ab70d98a29ef7059f4f5b7178fef0aaff0671bf6c9386

Threat Level: Known bad

The file 1d9d946599bbe47314f6dfa89f1c6e77_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook 3nk4 rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-06 17:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-06 17:34

Reported

2024-05-06 17:37

Platform

win7-20240419-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1d9d946599bbe47314f6dfa89f1c6e77_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: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1d9d946599bbe47314f6dfa89f1c6e77_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1d9d946599bbe47314f6dfa89f1c6e77_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1d9d946599bbe47314f6dfa89f1c6e77_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\1d9d946599bbe47314f6dfa89f1c6e77_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1d9d946599bbe47314f6dfa89f1c6e77_JaffaCakes118.exe"

Network

N/A

Files

memory/2460-0-0x00000000003E0000-0x00000000003E1000-memory.dmp

memory/2460-1-0x00000000005B0000-0x00000000005BF000-memory.dmp

memory/2460-2-0x00000000005B0000-0x00000000005BF000-memory.dmp

memory/2460-3-0x00000000008B0000-0x00000000008B1000-memory.dmp

memory/2448-4-0x0000000000400000-0x000000000042E000-memory.dmp

memory/2460-5-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/2448-6-0x0000000000430000-0x0000000000497000-memory.dmp

memory/2448-8-0x0000000000770000-0x0000000000A73000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-06 17:34

Reported

2024-05-06 17:37

Platform

win10v2004-20240426-en

Max time kernel

138s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1d9d946599bbe47314f6dfa89f1c6e77_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: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1d9d946599bbe47314f6dfa89f1c6e77_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1d9d946599bbe47314f6dfa89f1c6e77_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1d9d946599bbe47314f6dfa89f1c6e77_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\1d9d946599bbe47314f6dfa89f1c6e77_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1d9d946599bbe47314f6dfa89f1c6e77_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 142.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.72:443 www.bing.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 72.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/4648-0-0x0000000000670000-0x0000000000671000-memory.dmp

memory/4648-3-0x00000000021B0000-0x00000000021B1000-memory.dmp

memory/4648-1-0x0000000002140000-0x000000000214F000-memory.dmp

memory/3512-4-0x0000000000400000-0x000000000042E000-memory.dmp

memory/4648-5-0x0000000000400000-0x00000000004B0000-memory.dmp