Malware Analysis Report

2024-10-23 22:21

Sample ID 240509-fxkbnafd62
Target f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9
SHA256 f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9
Tags
formbook ht3d 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

f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9

Threat Level: Known bad

The file f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9 was found to be: Known bad.

Malicious Activity Summary

formbook ht3d 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

2024-05-09 05:15

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 05:15

Reported

2024-05-09 05:17

Platform

win10v2004-20240426-en

Max time kernel

136s

Max time network

98s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1100 wrote to memory of 4508 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 1100 wrote to memory of 4508 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 1100 wrote to memory of 4508 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 1100 wrote to memory of 4508 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 1100 wrote to memory of 4508 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 1100 wrote to memory of 4508 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe

"C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe"

C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe

"C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.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 79.190.18.2.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 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 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 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 57.169.31.20.in-addr.arpa udp

Files

memory/1100-0-0x000000007467E000-0x000000007467F000-memory.dmp

memory/1100-1-0x0000000000900000-0x00000000009AA000-memory.dmp

memory/1100-2-0x00000000059E0000-0x0000000005F84000-memory.dmp

memory/1100-3-0x0000000005430000-0x00000000054C2000-memory.dmp

memory/1100-4-0x00000000053B0000-0x00000000053BA000-memory.dmp

memory/1100-5-0x0000000074670000-0x0000000074E20000-memory.dmp

memory/1100-6-0x0000000005660000-0x00000000056FC000-memory.dmp

memory/1100-7-0x0000000005620000-0x000000000563C000-memory.dmp

memory/1100-8-0x0000000005990000-0x000000000599E000-memory.dmp

memory/1100-9-0x00000000059C0000-0x00000000059D6000-memory.dmp

memory/1100-10-0x0000000006B80000-0x0000000006BF6000-memory.dmp

memory/4508-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1100-13-0x0000000074670000-0x0000000074E20000-memory.dmp

memory/4508-14-0x00000000016F0000-0x0000000001A3A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 05:15

Reported

2024-05-09 05:17

Platform

win11-20240508-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 552 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 552 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 552 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 552 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 552 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 552 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe

"C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe"

C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe

"C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa 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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp

Files

memory/552-0-0x00000000743CE000-0x00000000743CF000-memory.dmp

memory/552-1-0x0000000000120000-0x00000000001CA000-memory.dmp

memory/552-2-0x0000000005170000-0x0000000005716000-memory.dmp

memory/552-3-0x0000000004BC0000-0x0000000004C52000-memory.dmp

memory/552-4-0x0000000004B30000-0x0000000004B3A000-memory.dmp

memory/552-5-0x0000000004E40000-0x0000000004EDC000-memory.dmp

memory/552-6-0x00000000743C0000-0x0000000074B71000-memory.dmp

memory/552-7-0x0000000004FE0000-0x0000000004FFC000-memory.dmp

memory/552-8-0x0000000005020000-0x000000000502E000-memory.dmp

memory/552-9-0x0000000005030000-0x0000000005046000-memory.dmp

memory/552-10-0x0000000006310000-0x0000000006386000-memory.dmp

memory/4120-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/552-13-0x00000000743C0000-0x0000000074B71000-memory.dmp

memory/4120-14-0x0000000001350000-0x00000000016A6000-memory.dmp