Malware Analysis Report

2024-10-23 22:16

Sample ID 240509-bhm2sacd62
Target 21d7877338874475e35745d384f8b055.bin
SHA256 b3c0e790921677e61c5f37252ed0702fe1bed4e37e1aeabe1aa83864aebd8b95
Tags
formbook wo 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

b3c0e790921677e61c5f37252ed0702fe1bed4e37e1aeabe1aa83864aebd8b95

Threat Level: Known bad

The file 21d7877338874475e35745d384f8b055.bin was found to be: Known bad.

Malicious Activity Summary

formbook wo rat spyware stealer trojan

Formbook

Formbook payload

Program crash

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-09 01:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 01:08

Reported

2024-05-09 01:11

Platform

win7-20240419-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\21d7877338874475e35745d384f8b055.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\21d7877338874475e35745d384f8b055.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\21d7877338874475e35745d384f8b055.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\21d7877338874475e35745d384f8b055.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\21d7877338874475e35745d384f8b055.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\21d7877338874475e35745d384f8b055.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\21d7877338874475e35745d384f8b055.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\21d7877338874475e35745d384f8b055.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\21d7877338874475e35745d384f8b055.exe

"C:\Users\Admin\AppData\Local\Temp\21d7877338874475e35745d384f8b055.exe"

Network

N/A

Files

memory/1700-2-0x000000000046A000-0x000000000046F000-memory.dmp

memory/1700-4-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1700-7-0x00000000771B0000-0x0000000077286000-memory.dmp

memory/1700-6-0x0000000000400000-0x0000000000470000-memory.dmp

memory/1700-9-0x000000000AFB0000-0x000000000B2B3000-memory.dmp

memory/1700-10-0x000000000AFB0000-0x000000000B2B3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 01:08

Reported

2024-05-09 01:11

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\21d7877338874475e35745d384f8b055.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\21d7877338874475e35745d384f8b055.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\21d7877338874475e35745d384f8b055.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\21d7877338874475e35745d384f8b055.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\21d7877338874475e35745d384f8b055.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\21d7877338874475e35745d384f8b055.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\21d7877338874475e35745d384f8b055.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\21d7877338874475e35745d384f8b055.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\21d7877338874475e35745d384f8b055.exe

"C:\Users\Admin\AppData\Local\Temp\21d7877338874475e35745d384f8b055.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3480 -ip 3480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3480 -s 668

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
BE 88.221.83.242:443 www.bing.com tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
BE 88.221.83.242:443 www.bing.com tcp
US 8.8.8.8:53 242.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 45.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.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
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 5.173.189.20.in-addr.arpa udp

Files

memory/3480-2-0x000000000046A000-0x000000000046F000-memory.dmp

memory/3480-4-0x0000000000400000-0x0000000000470000-memory.dmp

memory/3480-6-0x0000000000400000-0x000000000042A000-memory.dmp

memory/3480-7-0x0000000000400000-0x0000000000470000-memory.dmp