Malware Analysis Report

2024-10-23 22:17

Sample ID 240506-b1dk3ach5z
Target 1a26f946ac1d1a308989f533596d5b5d_JaffaCakes118
SHA256 e5d8344ae7d9f2641a4e564d0e6e1a6494e216e6a5be0355eb45190e25d11f8f
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

e5d8344ae7d9f2641a4e564d0e6e1a6494e216e6a5be0355eb45190e25d11f8f

Threat Level: Known bad

The file 1a26f946ac1d1a308989f533596d5b5d_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 01:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-06 01:36

Reported

2024-05-06 01:43

Platform

win7-20240215-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1a26f946ac1d1a308989f533596d5b5d_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\1a26f946ac1d1a308989f533596d5b5d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1a26f946ac1d1a308989f533596d5b5d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1a26f946ac1d1a308989f533596d5b5d_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\1a26f946ac1d1a308989f533596d5b5d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1a26f946ac1d1a308989f533596d5b5d_JaffaCakes118.exe"

Network

N/A

Files

memory/1924-0-0x0000000000220000-0x0000000000221000-memory.dmp

memory/1924-1-0x0000000000350000-0x0000000000360000-memory.dmp

memory/1924-3-0x0000000000370000-0x0000000000371000-memory.dmp

memory/1924-5-0x0000000000400000-0x00000000004CC000-memory.dmp

memory/2964-4-0x0000000000400000-0x000000000042E000-memory.dmp

memory/2964-6-0x0000000000430000-0x0000000000497000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-06 01:36

Reported

2024-05-06 01:43

Platform

win10v2004-20240419-en

Max time kernel

132s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1a26f946ac1d1a308989f533596d5b5d_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\1a26f946ac1d1a308989f533596d5b5d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1a26f946ac1d1a308989f533596d5b5d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1a26f946ac1d1a308989f533596d5b5d_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\1a26f946ac1d1a308989f533596d5b5d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1a26f946ac1d1a308989f533596d5b5d_JaffaCakes118.exe"

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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 139.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 48.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
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

Files

memory/4312-0-0x0000000002260000-0x0000000002261000-memory.dmp

memory/4312-2-0x0000000002310000-0x0000000002320000-memory.dmp

memory/4312-1-0x0000000002310000-0x0000000002320000-memory.dmp

memory/4928-4-0x0000000000400000-0x000000000042E000-memory.dmp

memory/4312-3-0x0000000002330000-0x0000000002331000-memory.dmp

memory/4312-5-0x0000000000400000-0x00000000004CC000-memory.dmp