Analysis Overview
SHA256
02971b038e3224fb89a5aa824cd4388ab3108e86571312d127e32b6a59b1b3ec
Threat Level: Known bad
The file Invoice#23615B001.exe was found to be: Known bad.
Malicious Activity Summary
Formbook
Formbook payload
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-11 15:27
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-11 15:27
Reported
2023-10-12 05:28
Platform
win7-20230831-en
Max time kernel
119s
Max time network
123s
Command Line
Signatures
Formbook
Formbook payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3044 set thread context of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe | C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe"
C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe
"{path}"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 36
Network
Files
memory/3044-0-0x0000000074310000-0x00000000749FE000-memory.dmp
memory/3044-1-0x0000000000FE0000-0x0000000001086000-memory.dmp
memory/3044-2-0x0000000004970000-0x00000000049B0000-memory.dmp
memory/3044-3-0x0000000000420000-0x000000000042C000-memory.dmp
memory/3044-4-0x0000000074310000-0x00000000749FE000-memory.dmp
memory/3044-5-0x0000000004970000-0x00000000049B0000-memory.dmp
memory/3044-6-0x0000000004880000-0x000000000491A000-memory.dmp
memory/3044-7-0x0000000004920000-0x0000000004968000-memory.dmp
memory/2996-8-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2996-10-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2996-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2996-13-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3044-14-0x0000000074310000-0x00000000749FE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-11 15:27
Reported
2023-10-12 05:27
Platform
win10v2004-20230915-en
Max time kernel
150s
Max time network
152s
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 |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4752 set thread context of 2272 | N/A | C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe | C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe |
| PID 2272 set thread context of 3152 | N/A | C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe | C:\Windows\Explorer.EXE |
| PID 2160 set thread context of 3152 | 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 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\Invoice#23615B001.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\chkdsk.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
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe"
C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe
"{path}"
C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.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 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.7.248.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 39.142.81.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.210.247.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.wlxzjlny.cfd | udp |
| US | 8.8.8.8:53 | www.hawskio26.click | udp |
| US | 172.96.186.176:80 | www.hawskio26.click | tcp |
| US | 8.8.8.8:53 | 176.186.96.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.173.189.20.in-addr.arpa | udp |
Files
memory/4752-0-0x0000000074910000-0x00000000750C0000-memory.dmp
memory/4752-1-0x0000000000550000-0x00000000005F6000-memory.dmp
memory/4752-2-0x0000000005000000-0x000000000509C000-memory.dmp
memory/4752-3-0x0000000005650000-0x0000000005BF4000-memory.dmp
memory/4752-4-0x00000000050A0000-0x0000000005132000-memory.dmp
memory/4752-5-0x0000000005200000-0x0000000005210000-memory.dmp
memory/4752-6-0x0000000004FB0000-0x0000000004FBA000-memory.dmp
memory/4752-7-0x00000000051A0000-0x00000000051F6000-memory.dmp
memory/4752-8-0x0000000005C00000-0x0000000005F54000-memory.dmp
memory/4752-9-0x0000000074910000-0x00000000750C0000-memory.dmp
memory/4752-10-0x0000000005200000-0x0000000005210000-memory.dmp
memory/4752-11-0x00000000083A0000-0x00000000083AC000-memory.dmp
memory/4752-12-0x0000000000F10000-0x0000000000FAA000-memory.dmp
memory/4752-13-0x0000000000FB0000-0x0000000000FF8000-memory.dmp
memory/2272-14-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4752-16-0x0000000074910000-0x00000000750C0000-memory.dmp
memory/2272-17-0x00000000015D0000-0x000000000191A000-memory.dmp
memory/2272-20-0x0000000001570000-0x0000000001585000-memory.dmp
memory/2272-19-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3152-21-0x0000000007670000-0x0000000007766000-memory.dmp
memory/2160-22-0x00000000008F0000-0x00000000008FA000-memory.dmp
memory/2160-23-0x00000000008F0000-0x00000000008FA000-memory.dmp
memory/2160-24-0x0000000000C00000-0x0000000000C2F000-memory.dmp
memory/2160-25-0x0000000001430000-0x000000000177A000-memory.dmp
memory/2160-26-0x0000000000C00000-0x0000000000C2F000-memory.dmp
memory/3152-27-0x0000000007670000-0x0000000007766000-memory.dmp
memory/2160-29-0x00000000012B0000-0x0000000001344000-memory.dmp
memory/3152-30-0x0000000008B10000-0x0000000008C72000-memory.dmp
memory/3152-31-0x0000000008B10000-0x0000000008C72000-memory.dmp
memory/3152-33-0x0000000008B10000-0x0000000008C72000-memory.dmp