Malware Analysis Report

2025-08-10 22:11

Sample ID 231011-s7hxssae76
Target tmp
SHA256 f5c4d1a411acaf23f8799d9e97d29010bdd0c38915aad1ed556cb26359994b4c
Tags
formbook ro12 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

f5c4d1a411acaf23f8799d9e97d29010bdd0c38915aad1ed556cb26359994b4c

Threat Level: Known bad

The file tmp was found to be: Known bad.

Malicious Activity Summary

formbook ro12 rat spyware stealer trojan

Formbook family

Formbook

Formbook payload

Formbook payload

Deletes itself

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of UnmapMainImage

Modifies registry class

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-10-11 15:45

Signatures

Formbook family

formbook

Formbook payload

rat
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

2023-10-11 15:45

Reported

2023-10-12 06:11

Platform

win7-20230831-en

Max time kernel

150s

Max time network

139s

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

Deletes itself

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2288 set thread context of 1276 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\Explorer.EXE
PID 2636 set thread context of 1276 N/A C:\Windows\SysWOW64\wlanext.exe C:\Windows\Explorer.EXE

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\wlanext.exe N/A

Suspicious use of UnmapMainImage

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1276 wrote to memory of 2636 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 1276 wrote to memory of 2636 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 1276 wrote to memory of 2636 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 1276 wrote to memory of 2636 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 2636 wrote to memory of 2812 N/A C:\Windows\SysWOW64\wlanext.exe C:\Windows\SysWOW64\cmd.exe
PID 2636 wrote to memory of 2812 N/A C:\Windows\SysWOW64\wlanext.exe C:\Windows\SysWOW64\cmd.exe
PID 2636 wrote to memory of 2812 N/A C:\Windows\SysWOW64\wlanext.exe C:\Windows\SysWOW64\cmd.exe
PID 2636 wrote to memory of 2812 N/A C:\Windows\SysWOW64\wlanext.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

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

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

C:\Windows\SysWOW64\wlanext.exe

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

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.holzleisten24.shop udp
DE 130.185.109.77:80 www.holzleisten24.shop tcp
US 8.8.8.8:53 www.tiktok-shop-he.com udp
HK 18.167.255.38:80 www.tiktok-shop-he.com tcp
US 8.8.8.8:53 www.qualityquickprints.com udp
DE 3.64.163.50:80 www.qualityquickprints.com tcp
US 8.8.8.8:53 www.fleshaaikensdivinegiven7llc.com udp
US 3.33.130.190:80 www.fleshaaikensdivinegiven7llc.com tcp
US 8.8.8.8:53 www.speedgallery.shop udp
CA 23.227.38.74:80 www.speedgallery.shop tcp

Files

memory/2288-0-0x00000000008F0000-0x0000000000BF3000-memory.dmp

memory/2288-1-0x0000000000DD0000-0x0000000000DFF000-memory.dmp

memory/1276-4-0x0000000006730000-0x00000000067E4000-memory.dmp

memory/2288-3-0x0000000000200000-0x0000000000214000-memory.dmp

memory/2636-5-0x0000000000C50000-0x0000000000C66000-memory.dmp

memory/2636-6-0x0000000000C50000-0x0000000000C66000-memory.dmp

memory/2636-7-0x00000000000C0000-0x00000000000EF000-memory.dmp

memory/2636-8-0x0000000002070000-0x0000000002373000-memory.dmp

memory/2636-9-0x00000000000C0000-0x00000000000EF000-memory.dmp

memory/1276-10-0x0000000006730000-0x00000000067E4000-memory.dmp

memory/2636-11-0x0000000000810000-0x00000000008A3000-memory.dmp

memory/1276-13-0x0000000006A30000-0x0000000006BA9000-memory.dmp

memory/1276-14-0x0000000006A30000-0x0000000006BA9000-memory.dmp

memory/1276-16-0x0000000006A30000-0x0000000006BA9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-11 15:45

Reported

2023-10-12 06:11

Platform

win10v2004-20230915-en

Max time kernel

149s

Max time network

155s

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 5028 set thread context of 2564 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\Explorer.EXE
PID 4316 set thread context of 2564 N/A C:\Windows\SysWOW64\systray.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-1-5-21-2890696111-2332180956-3312704074-1000_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:\Users\Admin\AppData\Local\Temp\tmp.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\tmp.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: SeDebugPrivilege N/A C:\Windows\SysWOW64\systray.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\svchost.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
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 2564 wrote to memory of 4316 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\systray.exe
PID 2564 wrote to memory of 4316 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\systray.exe
PID 2564 wrote to memory of 4316 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\systray.exe
PID 4316 wrote to memory of 336 N/A C:\Windows\SysWOW64\systray.exe C:\Windows\SysWOW64\cmd.exe
PID 4316 wrote to memory of 336 N/A C:\Windows\SysWOW64\systray.exe C:\Windows\SysWOW64\cmd.exe
PID 4316 wrote to memory of 336 N/A C:\Windows\SysWOW64\systray.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

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

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

C:\Windows\SysWOW64\systray.exe

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

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k UnistackSvcGroup

Network

Country Destination Domain Proto
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 54.120.234.20.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 39.142.81.104.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 9.57.101.20.in-addr.arpa udp
US 8.8.8.8:53 www.shuraop.xyz udp
US 203.161.54.241:80 www.shuraop.xyz tcp
US 8.8.8.8:53 241.54.161.203.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 135.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 www.pwpholdings.com udp
US 54.209.32.212:80 www.pwpholdings.com tcp
US 8.8.8.8:53 212.32.209.54.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 126.22.238.8.in-addr.arpa udp
US 8.8.8.8:53 www.binguozhijiaok.com udp
SG 8.219.155.56:80 www.binguozhijiaok.com tcp
US 8.8.8.8:53 56.155.219.8.in-addr.arpa udp
US 8.8.8.8:53 www.ssongg1620.cfd udp
US 154.208.15.212:80 www.ssongg1620.cfd tcp
US 8.8.8.8:53 www.indiannaturals.online udp
NL 142.250.179.211:80 www.indiannaturals.online tcp
US 8.8.8.8:53 211.179.250.142.in-addr.arpa udp
US 8.8.8.8:53 www.ssongg1620.cfd udp
US 154.208.15.212:80 www.ssongg1620.cfd tcp
US 8.8.8.8:53 www.valeriaestate.com udp
DE 91.195.240.94:80 www.valeriaestate.com tcp
US 8.8.8.8:53 94.240.195.91.in-addr.arpa udp
US 8.8.8.8:53 131.72.42.20.in-addr.arpa udp

Files

memory/5028-0-0x0000000000F50000-0x000000000129A000-memory.dmp

memory/5028-1-0x0000000000AF0000-0x0000000000B1F000-memory.dmp

memory/5028-2-0x0000000000AD0000-0x0000000000AE4000-memory.dmp

memory/2564-3-0x0000000008160000-0x0000000008227000-memory.dmp

memory/4316-4-0x00000000007E0000-0x00000000007E6000-memory.dmp

memory/4316-5-0x00000000007E0000-0x00000000007E6000-memory.dmp

memory/4316-6-0x0000000000A00000-0x0000000000A2F000-memory.dmp

memory/4316-7-0x0000000002930000-0x0000000002C7A000-memory.dmp

memory/4316-8-0x0000000000A00000-0x0000000000A2F000-memory.dmp

memory/2564-9-0x0000000008160000-0x0000000008227000-memory.dmp

memory/4316-11-0x0000000002770000-0x0000000002803000-memory.dmp

memory/2564-12-0x0000000003020000-0x00000000030C5000-memory.dmp

memory/2564-13-0x0000000003020000-0x00000000030C5000-memory.dmp

memory/2564-15-0x0000000003020000-0x00000000030C5000-memory.dmp

memory/4500-27-0x000001A7B8D40000-0x000001A7B8D50000-memory.dmp

memory/4500-43-0x000001A7B8E40000-0x000001A7B8E50000-memory.dmp

memory/4500-59-0x000001A7C11B0000-0x000001A7C11B1000-memory.dmp

memory/4500-61-0x000001A7C11E0000-0x000001A7C11E1000-memory.dmp

memory/4500-62-0x000001A7C11E0000-0x000001A7C11E1000-memory.dmp

memory/4500-63-0x000001A7C12F0000-0x000001A7C12F1000-memory.dmp