Analysis Overview
SHA256
f5c4d1a411acaf23f8799d9e97d29010bdd0c38915aad1ed556cb26359994b4c
Threat Level: Known bad
The file tmp was found to be: Known bad.
Malicious Activity Summary
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
Analysis: static1
Detonation Overview
Reported
2023-10-11 15:45
Signatures
Formbook family
Formbook payload
| 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
Signatures
Formbook
Formbook payload
| 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: EnumeratesProcesses
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
Signatures
Formbook
Formbook payload
| 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
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