Analysis Overview
SHA256
9022ec12d1c63779111d34993afd7aa58f7a7ed7087271c52f2300dee80c7f89
Threat Level: Known bad
The file Akb38lKYd6rDV8l.exe was found to be: Known bad.
Malicious Activity Summary
Formbook
Formbook payload
Deletes itself
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious behavior: MapViewOfSection
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Gathers network information
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-11 18:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-11 18:30
Reported
2024-07-11 18:32
Platform
win10v2004-20240709-en
Max time kernel
149s
Max time network
149s
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 4684 set thread context of 408 | N/A | C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe | C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe |
| PID 408 set thread context of 3532 | N/A | C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe | C:\Windows\Explorer.EXE |
| PID 984 set thread context of 3532 | N/A | C:\Windows\SysWOW64\NETSTAT.EXE | C:\Windows\Explorer.EXE |
Gathers network information
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\NETSTAT.EXE | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ | C:\Windows\Explorer.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NETSTAT.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NETSTAT.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\NETSTAT.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 |
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 |
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\Akb38lKYd6rDV8l.exe
"C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe"
C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe
"C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe"
C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe
"C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe"
C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.kgfna.biz | udp |
| HK | 103.39.108.85:80 | www.kgfna.biz | tcp |
| US | 8.8.8.8:53 | 85.108.39.103.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.camperelektrikde.shop | udp |
| US | 104.21.20.93:80 | www.camperelektrikde.shop | tcp |
| US | 8.8.8.8:53 | 93.20.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.bt365033.com | udp |
| US | 172.67.149.147:80 | www.bt365033.com | tcp |
| US | 8.8.8.8:53 | 147.149.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.883106.photos | udp |
| HK | 147.92.43.172:80 | www.883106.photos | tcp |
| US | 8.8.8.8:53 | 172.43.92.147.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.fin4d-sl.com | udp |
| US | 172.67.170.85:80 | www.fin4d-sl.com | tcp |
| US | 8.8.8.8:53 | 85.170.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.3dsciagames.com | udp |
| US | 103.224.212.210:80 | www.3dsciagames.com | tcp |
| US | 8.8.8.8:53 | 210.212.224.103.in-addr.arpa | udp |
Files
memory/4684-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp
memory/4684-1-0x0000000000720000-0x00000000007E4000-memory.dmp
memory/4684-2-0x0000000005710000-0x0000000005CB4000-memory.dmp
memory/4684-3-0x0000000005200000-0x0000000005292000-memory.dmp
memory/4684-4-0x00000000052A0000-0x00000000052AA000-memory.dmp
memory/4684-5-0x0000000074FB0000-0x0000000075760000-memory.dmp
memory/4684-6-0x0000000005370000-0x0000000005382000-memory.dmp
memory/4684-7-0x00000000055D0000-0x00000000055D8000-memory.dmp
memory/4684-8-0x00000000055E0000-0x00000000055EE000-memory.dmp
memory/4684-9-0x00000000063C0000-0x0000000006436000-memory.dmp
memory/4684-10-0x0000000006680000-0x000000000671C000-memory.dmp
memory/408-11-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4684-13-0x0000000074FB0000-0x0000000075760000-memory.dmp
memory/408-14-0x00000000011A0000-0x00000000014EA000-memory.dmp
memory/408-17-0x0000000000D10000-0x0000000000D25000-memory.dmp
memory/3532-18-0x0000000004AF0000-0x0000000004BA8000-memory.dmp
memory/408-16-0x0000000000400000-0x000000000042F000-memory.dmp
memory/984-19-0x0000000000440000-0x000000000044B000-memory.dmp
memory/984-20-0x0000000000440000-0x000000000044B000-memory.dmp
memory/984-21-0x0000000000CD0000-0x0000000000CFF000-memory.dmp
memory/3532-23-0x0000000004AF0000-0x0000000004BA8000-memory.dmp
memory/3532-25-0x0000000008820000-0x000000000898E000-memory.dmp
memory/3532-27-0x0000000008820000-0x000000000898E000-memory.dmp
memory/3532-30-0x0000000008820000-0x000000000898E000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-11 18:30
Reported
2024-07-11 18:32
Platform
win7-20240705-en
Max time kernel
148s
Max time network
121s
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 2768 set thread context of 2440 | N/A | C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe | C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe |
| PID 2440 set thread context of 1216 | N/A | C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe | C:\Windows\Explorer.EXE |
| PID 2696 set thread context of 1216 | N/A | C:\Windows\SysWOW64\help.exe | C:\Windows\Explorer.EXE |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\help.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\help.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\help.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe
"C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe"
C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe
"C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe"
C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Akb38lKYd6rDV8l.exe"
Network
Files
memory/2768-0-0x0000000074E4E000-0x0000000074E4F000-memory.dmp
memory/2768-1-0x0000000000990000-0x0000000000A54000-memory.dmp
memory/2768-2-0x0000000074E40000-0x000000007552E000-memory.dmp
memory/2768-3-0x0000000000430000-0x0000000000442000-memory.dmp
memory/2768-4-0x0000000000910000-0x0000000000918000-memory.dmp
memory/2768-5-0x0000000000920000-0x000000000092E000-memory.dmp
memory/2768-6-0x0000000004B10000-0x0000000004B86000-memory.dmp
memory/2440-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2440-11-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2440-7-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2440-8-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2768-12-0x0000000074E40000-0x000000007552E000-memory.dmp
memory/2440-13-0x0000000000A60000-0x0000000000D63000-memory.dmp
memory/2440-16-0x0000000000180000-0x0000000000195000-memory.dmp
memory/2440-15-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1216-17-0x00000000047A0000-0x0000000004892000-memory.dmp
memory/2696-18-0x0000000000CA0000-0x0000000000CA6000-memory.dmp
memory/2696-20-0x0000000000CA0000-0x0000000000CA6000-memory.dmp
memory/2696-21-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/1216-24-0x00000000047A0000-0x0000000004892000-memory.dmp