Malware Analysis Report

2024-10-19 09:33

Sample ID 240511-bkajgace91
Target 29c87cc9791289ada6dd99bea234651b38ce32f2099760a85d1b84819ea85f63.exe
SHA256 29c87cc9791289ada6dd99bea234651b38ce32f2099760a85d1b84819ea85f63
Tags
formbook se62 rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

29c87cc9791289ada6dd99bea234651b38ce32f2099760a85d1b84819ea85f63

Threat Level: Known bad

The file 29c87cc9791289ada6dd99bea234651b38ce32f2099760a85d1b84819ea85f63.exe was found to be: Known bad.

Malicious Activity Summary

formbook se62 rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

Enumerates system info in registry

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-11 01:11

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: behavioral1

Detonation Overview

Submitted

2024-05-11 01:11

Reported

2024-05-11 01:14

Platform

win7-20240221-en

Max time kernel

145s

Max time network

132s

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 2188 set thread context of 2520 N/A C:\Users\Admin\AppData\Local\Temp\29c87cc9791289ada6dd99bea234651b38ce32f2099760a85d1b84819ea85f63.exe C:\Windows\SysWOW64\svchost.exe
PID 2520 set thread context of 1192 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2228 set thread context of 1192 N/A C:\Windows\SysWOW64\chkdsk.exe C:\Windows\Explorer.EXE

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier C:\Windows\SysWOW64\chkdsk.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\chkdsk.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2188 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\29c87cc9791289ada6dd99bea234651b38ce32f2099760a85d1b84819ea85f63.exe C:\Windows\SysWOW64\svchost.exe
PID 2188 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\29c87cc9791289ada6dd99bea234651b38ce32f2099760a85d1b84819ea85f63.exe C:\Windows\SysWOW64\svchost.exe
PID 2188 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\29c87cc9791289ada6dd99bea234651b38ce32f2099760a85d1b84819ea85f63.exe C:\Windows\SysWOW64\svchost.exe
PID 2188 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\29c87cc9791289ada6dd99bea234651b38ce32f2099760a85d1b84819ea85f63.exe C:\Windows\SysWOW64\svchost.exe
PID 2188 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\29c87cc9791289ada6dd99bea234651b38ce32f2099760a85d1b84819ea85f63.exe C:\Windows\SysWOW64\svchost.exe
PID 1192 wrote to memory of 2228 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\chkdsk.exe
PID 1192 wrote to memory of 2228 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\chkdsk.exe
PID 1192 wrote to memory of 2228 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\chkdsk.exe
PID 1192 wrote to memory of 2228 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\chkdsk.exe
PID 2228 wrote to memory of 2580 N/A C:\Windows\SysWOW64\chkdsk.exe C:\Windows\SysWOW64\cmd.exe
PID 2228 wrote to memory of 2580 N/A C:\Windows\SysWOW64\chkdsk.exe C:\Windows\SysWOW64\cmd.exe
PID 2228 wrote to memory of 2580 N/A C:\Windows\SysWOW64\chkdsk.exe C:\Windows\SysWOW64\cmd.exe
PID 2228 wrote to memory of 2580 N/A C:\Windows\SysWOW64\chkdsk.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\29c87cc9791289ada6dd99bea234651b38ce32f2099760a85d1b84819ea85f63.exe

"C:\Users\Admin\AppData\Local\Temp\29c87cc9791289ada6dd99bea234651b38ce32f2099760a85d1b84819ea85f63.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\29c87cc9791289ada6dd99bea234651b38ce32f2099760a85d1b84819ea85f63.exe"

C:\Windows\SysWOW64\chkdsk.exe

"C:\Windows\SysWOW64\chkdsk.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.minicartoontv.xyz udp
FI 65.21.8.112:80 www.minicartoontv.xyz tcp
US 8.8.8.8:53 www.rmicompletesolutions.co.za udp
US 76.223.105.230:80 www.rmicompletesolutions.co.za tcp
US 8.8.8.8:53 www.fitversus.com udp
US 172.67.221.245:80 www.fitversus.com tcp
US 8.8.8.8:53 www.4ast6.us udp
DE 91.195.240.123:80 www.4ast6.us tcp
US 8.8.8.8:53 www.e-touwbrommer.site udp
NL 185.104.29.110:80 www.e-touwbrommer.site tcp

Files

memory/2188-10-0x0000000000160000-0x0000000000164000-memory.dmp

memory/2520-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2520-12-0x0000000000980000-0x0000000000C83000-memory.dmp

memory/2520-15-0x0000000000220000-0x0000000000235000-memory.dmp

memory/2520-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1192-16-0x0000000004FB0000-0x00000000050C9000-memory.dmp

memory/2228-17-0x0000000000630000-0x0000000000637000-memory.dmp

memory/2228-18-0x0000000000630000-0x0000000000637000-memory.dmp

memory/2228-19-0x00000000000C0000-0x00000000000EF000-memory.dmp

memory/1192-22-0x0000000004FB0000-0x00000000050C9000-memory.dmp

memory/1192-26-0x00000000050D0000-0x00000000051F2000-memory.dmp

memory/1192-27-0x00000000050D0000-0x00000000051F2000-memory.dmp

memory/1192-30-0x00000000050D0000-0x00000000051F2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-11 01:11

Reported

2024-05-11 01:14

Platform

win10v2004-20240508-en

Max time kernel

149s

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 3536 set thread context of 1548 N/A C:\Users\Admin\AppData\Local\Temp\29c87cc9791289ada6dd99bea234651b38ce32f2099760a85d1b84819ea85f63.exe C:\Windows\SysWOW64\svchost.exe
PID 1548 set thread context of 3408 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 4688 set thread context of 3408 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE

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\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\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\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\29c87cc9791289ada6dd99bea234651b38ce32f2099760a85d1b84819ea85f63.exe

"C:\Users\Admin\AppData\Local\Temp\29c87cc9791289ada6dd99bea234651b38ce32f2099760a85d1b84819ea85f63.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\29c87cc9791289ada6dd99bea234651b38ce32f2099760a85d1b84819ea85f63.exe"

C:\Windows\SysWOW64\explorer.exe

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

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Windows\SysWOW64\svchost.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
BE 88.221.83.187:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
BE 88.221.83.187:443 www.bing.com tcp
US 8.8.8.8:53 187.83.221.88.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 24.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 www.nnhealthhk.com udp
US 8.8.8.8:53 www.telehealth.fitness udp
US 75.2.115.196:80 www.telehealth.fitness tcp
US 8.8.8.8:53 196.115.2.75.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.dfrtrucking.com udp
DE 91.195.240.117:80 www.dfrtrucking.com tcp
US 8.8.8.8:53 117.240.195.91.in-addr.arpa udp
US 8.8.8.8:53 www.qhsmgysm.com udp
US 8.8.8.8:53 www.berbarry.com udp
US 44.227.65.245:80 www.berbarry.com tcp
US 8.8.8.8:53 245.65.227.44.in-addr.arpa udp

Files

memory/3536-10-0x0000000001370000-0x0000000001374000-memory.dmp

memory/1548-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1548-12-0x0000000001900000-0x0000000001C4A000-memory.dmp

memory/1548-15-0x0000000001800000-0x0000000001815000-memory.dmp

memory/1548-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3408-16-0x0000000008870000-0x00000000089DD000-memory.dmp

memory/4688-17-0x00000000006E0000-0x0000000000B13000-memory.dmp

memory/4688-19-0x00000000006E0000-0x0000000000B13000-memory.dmp

memory/4688-20-0x00000000012D0000-0x00000000012FF000-memory.dmp

memory/3408-22-0x0000000008870000-0x00000000089DD000-memory.dmp

memory/3408-25-0x0000000008D00000-0x0000000008E07000-memory.dmp

memory/3408-26-0x0000000008D00000-0x0000000008E07000-memory.dmp

memory/3408-29-0x0000000008D00000-0x0000000008E07000-memory.dmp