Malware Analysis Report

2024-10-23 22:12

Sample ID 240717-jv913s1hrq
Target rfq27462##.exe
SHA256 db75da76893e862899d0153d196b570dae368bb1e3623ed9895ead7110922e3a
Tags
formbook ts59 rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

db75da76893e862899d0153d196b570dae368bb1e3623ed9895ead7110922e3a

Threat Level: Known bad

The file rfq27462##.exe was found to be: Known bad.

Malicious Activity Summary

formbook ts59 rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Modifies registry class

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-17 08:00

Signatures

AutoIT Executable

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

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-17 08:00

Reported

2024-07-17 08:03

Platform

win10v2004-20240709-en

Max time kernel

146s

Max time network

142s

Command Line

C:\Windows\Explorer.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
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4696 set thread context of 5016 N/A C:\Users\Admin\AppData\Local\Temp\rfq27462##.exe C:\Windows\SysWOW64\svchost.exe
PID 5016 set thread context of 3356 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 880 set thread context of 3356 N/A C:\Windows\SysWOW64\netsh.exe C:\Windows\Explorer.EXE

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ C:\Windows\Explorer.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ C:\Windows\Explorer.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ C:\Windows\Explorer.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\rfq27462##.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\netsh.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\rfq27462##.exe

"C:\Users\Admin\AppData\Local\Temp\rfq27462##.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\rfq27462##.exe"

C:\Windows\SysWOW64\netsh.exe

"C:\Windows\SysWOW64\netsh.exe"

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Windows\SysWOW64\svchost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 146.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 www.topallinoneaccounting.com udp
US 172.67.220.203:80 www.topallinoneaccounting.com tcp
US 8.8.8.8:53 203.220.67.172.in-addr.arpa udp
US 8.8.8.8:53 www.kgstrengthandperformance.com udp
US 76.223.105.230:80 www.kgstrengthandperformance.com tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 www.kgstrengthandperformance.com udp
US 76.223.105.230:80 www.kgstrengthandperformance.com tcp
US 8.8.8.8:53 www.kris1.com udp
US 44.227.65.245:80 www.kris1.com tcp
US 8.8.8.8:53 245.65.227.44.in-addr.arpa udp
US 13.248.243.5:80 www.kgstrengthandperformance.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 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 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 www.lostaino.com udp
US 198.49.23.145:80 www.lostaino.com tcp
US 8.8.8.8:53 145.23.49.198.in-addr.arpa udp
US 8.8.8.8:53 www.76466.club udp
HK 194.41.37.218:80 www.76466.club tcp
US 8.8.8.8:53 218.37.41.194.in-addr.arpa udp

Files

memory/4696-10-0x0000000003FF0000-0x0000000003FF4000-memory.dmp

memory/5016-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/5016-12-0x0000000001600000-0x000000000194A000-memory.dmp

memory/5016-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/5016-15-0x0000000001A80000-0x0000000001A94000-memory.dmp

memory/3356-16-0x0000000007290000-0x0000000007347000-memory.dmp

memory/880-19-0x00000000014E0000-0x00000000014FE000-memory.dmp

memory/880-17-0x00000000014E0000-0x00000000014FE000-memory.dmp

memory/880-20-0x00000000003A0000-0x00000000003CF000-memory.dmp

memory/3356-24-0x0000000007730000-0x00000000077EA000-memory.dmp

memory/3356-25-0x0000000007730000-0x00000000077EA000-memory.dmp

memory/3356-28-0x0000000007730000-0x00000000077EA000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-17 08:00

Reported

2024-07-17 08:03

Platform

win7-20240708-en

Max time kernel

150s

Max time network

148s

Command Line

C:\Windows\Explorer.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
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2568 set thread context of 2180 N/A C:\Users\Admin\AppData\Local\Temp\rfq27462##.exe C:\Windows\SysWOW64\svchost.exe
PID 2180 set thread context of 1204 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2976 set thread context of 1204 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\Explorer.EXE

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2568 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\rfq27462##.exe C:\Windows\SysWOW64\svchost.exe
PID 2568 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\rfq27462##.exe C:\Windows\SysWOW64\svchost.exe
PID 2568 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\rfq27462##.exe C:\Windows\SysWOW64\svchost.exe
PID 2568 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\rfq27462##.exe C:\Windows\SysWOW64\svchost.exe
PID 2568 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\rfq27462##.exe C:\Windows\SysWOW64\svchost.exe
PID 1204 wrote to memory of 2976 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1204 wrote to memory of 2976 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1204 wrote to memory of 2976 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1204 wrote to memory of 2976 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1204 wrote to memory of 2976 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1204 wrote to memory of 2976 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\rundll32.exe
PID 1204 wrote to memory of 2976 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2976 wrote to memory of 2480 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\cmd.exe
PID 2976 wrote to memory of 2480 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\cmd.exe
PID 2976 wrote to memory of 2480 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\cmd.exe
PID 2976 wrote to memory of 2480 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\rfq27462##.exe

"C:\Users\Admin\AppData\Local\Temp\rfq27462##.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\rfq27462##.exe"

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\SysWOW64\rundll32.exe"

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Windows\SysWOW64\svchost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.zangbreaker.com udp
US 15.197.148.33:80 www.zangbreaker.com tcp
US 8.8.8.8:53 www.asmauardotreschicshoes.com udp
CA 23.227.38.74:80 www.asmauardotreschicshoes.com tcp

Files

memory/2568-10-0x00000000000E0000-0x00000000000E4000-memory.dmp

memory/2180-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2180-14-0x00000000001D0000-0x00000000001E4000-memory.dmp

memory/2180-15-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2180-13-0x0000000000790000-0x0000000000A93000-memory.dmp

memory/1204-16-0x00000000063F0000-0x00000000064CB000-memory.dmp

memory/2976-21-0x0000000000180000-0x000000000018E000-memory.dmp

memory/2976-18-0x0000000000180000-0x000000000018E000-memory.dmp

memory/2976-17-0x0000000000180000-0x000000000018E000-memory.dmp

memory/2976-22-0x0000000000090000-0x00000000000BF000-memory.dmp

memory/1204-24-0x0000000000010000-0x0000000000020000-memory.dmp

memory/1204-25-0x00000000063F0000-0x00000000064CB000-memory.dmp

memory/1204-37-0x0000000006950000-0x0000000006A93000-memory.dmp

memory/1204-38-0x0000000006950000-0x0000000006A93000-memory.dmp

memory/1204-41-0x0000000006950000-0x0000000006A93000-memory.dmp