Analysis Overview
SHA256
cfe71b8bd0a8d2dfc025eb646af5c1ffadb0e466ee4ddbec62b6ef5fa54ffad9
Threat Level: Known bad
The file cfe71b8bd0a8d2dfc025eb646af5c1ffadb0e466ee4ddbec62b6ef5fa54ffad9 was found to be: Known bad.
Malicious Activity Summary
Formbook
Formbook payload
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Suspicious behavior: MapViewOfSection
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-10-11 14:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-11 14:36
Reported
2023-10-12 04:05
Platform
win7-20230831-en
Max time kernel
146s
Max time network
148s
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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2128 set thread context of 2224 | N/A | C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe |
| PID 2224 set thread context of 1288 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe | C:\Windows\Explorer.EXE |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\msiexec.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.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:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe | N/A |
| Token: SeShutdownPrivilege | 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\Dekont.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 272
Network
Files
memory/2128-0-0x0000000000BA0000-0x0000000000C2A000-memory.dmp
memory/2128-1-0x0000000074560000-0x0000000074C4E000-memory.dmp
memory/2128-2-0x0000000004A90000-0x0000000004AD0000-memory.dmp
memory/2128-3-0x0000000000580000-0x00000000005E0000-memory.dmp
memory/2128-4-0x00000000021D0000-0x000000000222E000-memory.dmp
memory/2128-5-0x00000000003F0000-0x000000000043E000-memory.dmp
memory/2128-6-0x0000000002230000-0x000000000227C000-memory.dmp
memory/2224-7-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2224-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2224-13-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2224-9-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2128-14-0x0000000074560000-0x0000000074C4E000-memory.dmp
memory/2224-15-0x0000000000810000-0x0000000000B13000-memory.dmp
memory/2224-17-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1288-19-0x0000000000210000-0x0000000000310000-memory.dmp
memory/2224-18-0x0000000000320000-0x0000000000334000-memory.dmp
memory/1288-20-0x0000000006B60000-0x0000000006C81000-memory.dmp
memory/2476-21-0x0000000000BC0000-0x0000000000BD4000-memory.dmp
memory/2476-22-0x0000000000BC0000-0x0000000000BD4000-memory.dmp
memory/2476-24-0x0000000000BC0000-0x0000000000BD4000-memory.dmp
memory/1288-26-0x0000000006B60000-0x0000000006C81000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-11 14:36
Reported
2023-10-12 04:04
Platform
win10v2004-20230915-en
Max time kernel
175s
Max time network
178s
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 |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3200 set thread context of 2692 | N/A | C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe |
| PID 2692 set thread context of 3152 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe | C:\Windows\Explorer.EXE |
| PID 2692 set thread context of 3152 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe | C:\Windows\Explorer.EXE |
| PID 3600 set thread context of 3152 | N/A | C:\Windows\SysWOW64\wscript.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:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.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 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.208.79.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.81.57.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.smartpartproducts.com | udp |
| US | 8.8.8.8:53 | www.wakuy.app | udp |
| US | 8.8.8.8:53 | www.mkamiart.com | udp |
| DE | 217.160.0.161:80 | www.mkamiart.com | tcp |
| US | 8.8.8.8:53 | 161.0.160.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.jstzzlm.com | udp |
| US | 50.2.151.236:80 | www.jstzzlm.com | tcp |
| US | 8.8.8.8:53 | 236.151.2.50.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.naturo-construction.com | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.57.101.20.in-addr.arpa | udp |
Files
memory/3200-1-0x0000000074910000-0x00000000750C0000-memory.dmp
memory/3200-0-0x0000000000670000-0x00000000006FA000-memory.dmp
memory/3200-2-0x0000000005090000-0x00000000050A0000-memory.dmp
memory/3200-3-0x0000000004EC0000-0x0000000004F20000-memory.dmp
memory/3200-4-0x0000000004FB0000-0x000000000500E000-memory.dmp
memory/3200-5-0x0000000005010000-0x000000000505E000-memory.dmp
memory/3200-6-0x00000000050A0000-0x00000000050EC000-memory.dmp
memory/3200-7-0x00000000056F0000-0x0000000005C94000-memory.dmp
memory/2692-8-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3200-10-0x0000000074910000-0x00000000750C0000-memory.dmp
memory/2692-11-0x0000000001100000-0x000000000144A000-memory.dmp
memory/2692-13-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2692-14-0x0000000000C20000-0x0000000000C34000-memory.dmp
memory/3152-15-0x0000000008B10000-0x0000000008C0F000-memory.dmp
memory/2692-17-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2692-18-0x00000000010A0000-0x00000000010B4000-memory.dmp
memory/3152-19-0x0000000008EE0000-0x000000000900F000-memory.dmp
memory/3152-20-0x0000000008B10000-0x0000000008C0F000-memory.dmp
memory/3600-21-0x0000000000C50000-0x0000000000C77000-memory.dmp
memory/3600-22-0x0000000000C50000-0x0000000000C77000-memory.dmp
memory/3600-23-0x0000000000B30000-0x0000000000B5F000-memory.dmp
memory/3600-24-0x0000000002CC0000-0x000000000300A000-memory.dmp
memory/3152-25-0x0000000008EE0000-0x000000000900F000-memory.dmp
memory/3600-26-0x0000000000B30000-0x0000000000B5F000-memory.dmp
memory/3600-28-0x0000000002A00000-0x0000000002A93000-memory.dmp
memory/3152-29-0x0000000009130000-0x000000000926A000-memory.dmp
memory/3152-30-0x0000000009130000-0x000000000926A000-memory.dmp