Malware Analysis Report

2024-10-19 09:33

Sample ID 240510-j9cdcscf31
Target f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
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.exe 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

2024-05-10 08:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-10 08:21

Reported

2024-05-10 08:24

Platform

win7-20240508-en

Max time kernel

121s

Max time network

122s

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 behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2380 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 2380 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 2380 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 2380 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 2380 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 2380 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 2380 wrote to memory of 2600 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

N/A

Files

memory/2380-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

memory/2380-1-0x0000000000330000-0x00000000003DA000-memory.dmp

memory/2380-2-0x0000000074B30000-0x000000007521E000-memory.dmp

memory/2380-3-0x0000000000520000-0x000000000053C000-memory.dmp

memory/2380-4-0x00000000006D0000-0x00000000006DE000-memory.dmp

memory/2380-5-0x0000000000720000-0x0000000000736000-memory.dmp

memory/2380-6-0x0000000005300000-0x0000000005376000-memory.dmp

memory/2600-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2600-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2600-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2600-9-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2380-14-0x0000000074B30000-0x000000007521E000-memory.dmp

memory/2600-15-0x00000000009A0000-0x0000000000CA3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-10 08:21

Reported

2024-05-10 08:24

Platform

win10v2004-20240426-en

Max time kernel

139s

Max time network

133s

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 64 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 64 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 64 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 64 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 64 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe C:\Users\Admin\AppData\Local\Temp\f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9.exe
PID 64 wrote to memory of 4152 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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
BE 88.221.83.225:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 225.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
BE 88.221.83.225:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 139.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/64-0-0x000000007459E000-0x000000007459F000-memory.dmp

memory/64-1-0x0000000000330000-0x00000000003DA000-memory.dmp

memory/64-2-0x00000000051B0000-0x0000000005754000-memory.dmp

memory/64-3-0x0000000004CA0000-0x0000000004D32000-memory.dmp

memory/64-4-0x0000000004D40000-0x0000000004D4A000-memory.dmp

memory/64-5-0x0000000004E30000-0x0000000004ECC000-memory.dmp

memory/64-6-0x0000000074590000-0x0000000074D40000-memory.dmp

memory/64-7-0x0000000005150000-0x000000000516C000-memory.dmp

memory/64-8-0x0000000005180000-0x000000000518E000-memory.dmp

memory/64-9-0x0000000006060000-0x0000000006076000-memory.dmp

memory/64-10-0x0000000006450000-0x00000000064C6000-memory.dmp

memory/4152-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/64-13-0x0000000074590000-0x0000000074D40000-memory.dmp

memory/4152-14-0x00000000017A0000-0x0000000001AEA000-memory.dmp