Analysis Overview
SHA256
0b2881dffc8cd0c36764d955f9478964c95822672da0f5ba29a5af5c16059b16
Threat Level: Known bad
The file vNrcPvMYLZmn2cc.exe was found to be: Known bad.
Malicious Activity Summary
Formbook
Formbook payload
Deletes itself
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of UnmapMainImage
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-07-12 06:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-12 06:30
Reported
2024-07-12 06:32
Platform
win7-20240708-en
Max time kernel
147s
Max time network
19s
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 1328 set thread context of 2180 | N/A | C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.exe | C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.exe |
| PID 2180 set thread context of 1188 | N/A | C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.exe | C:\Windows\Explorer.EXE |
| PID 2768 set thread context of 1188 | N/A | C:\Windows\SysWOW64\systray.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\vNrcPvMYLZmn2cc.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.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\vNrcPvMYLZmn2cc.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\systray.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.exe
"C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.exe"
C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.exe
"C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.exe"
C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.exe"
Network
Files
memory/1328-0-0x00000000743CE000-0x00000000743CF000-memory.dmp
memory/1328-1-0x00000000008E0000-0x0000000000990000-memory.dmp
memory/1328-2-0x00000000743C0000-0x0000000074AAE000-memory.dmp
memory/1328-3-0x0000000000470000-0x0000000000482000-memory.dmp
memory/1328-4-0x0000000000680000-0x0000000000688000-memory.dmp
memory/1328-5-0x0000000000690000-0x000000000069E000-memory.dmp
memory/1328-6-0x0000000004A60000-0x0000000004AD6000-memory.dmp
memory/2180-7-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2180-13-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2180-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2180-9-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1328-14-0x00000000743C0000-0x0000000074AAE000-memory.dmp
memory/2180-15-0x0000000000C60000-0x0000000000F63000-memory.dmp
memory/2180-19-0x0000000000280000-0x0000000000294000-memory.dmp
memory/2180-18-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1188-20-0x0000000006570000-0x0000000006693000-memory.dmp
memory/2768-21-0x00000000004A0000-0x00000000004A5000-memory.dmp
memory/2768-23-0x00000000004A0000-0x00000000004A5000-memory.dmp
memory/2768-24-0x0000000000080000-0x00000000000AF000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-12 06:30
Reported
2024-07-12 06:32
Platform
win10v2004-20240709-en
Max time kernel
150s
Max time network
154s
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 1832 set thread context of 2064 | N/A | C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.exe | C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.exe |
| PID 2064 set thread context of 3456 | N/A | C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.exe | C:\Windows\Explorer.EXE |
| PID 2868 set thread context of 3456 | N/A | C:\Windows\SysWOW64\wscript.exe | C:\Windows\Explorer.EXE |
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\vNrcPvMYLZmn2cc.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.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:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\wscript.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\vNrcPvMYLZmn2cc.exe
"C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.exe"
C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.exe
"C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.exe"
C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\vNrcPvMYLZmn2cc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.motolimod.com | udp |
| DE | 3.64.163.50:80 | www.motolimod.com | tcp |
| US | 8.8.8.8:53 | 50.163.64.3.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.allmyabilities.com | udp |
| US | 198.49.23.145:80 | www.allmyabilities.com | tcp |
| US | 8.8.8.8:53 | 145.23.49.198.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.hg44a.com | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.767jogo.com | udp |
| TW | 210.242.167.101:80 | www.767jogo.com | tcp |
| US | 8.8.8.8:53 | 101.167.242.210.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.bonjourmignon.com | udp |
| KR | 112.175.59.169:80 | www.bonjourmignon.com | tcp |
| US | 8.8.8.8:53 | 169.59.175.112.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.xpanas.black | udp |
| US | 199.59.243.226:80 | www.xpanas.black | tcp |
| US | 8.8.8.8:53 | 226.243.59.199.in-addr.arpa | udp |
Files
memory/1832-0-0x00000000749CE000-0x00000000749CF000-memory.dmp
memory/1832-1-0x0000000000880000-0x0000000000930000-memory.dmp
memory/1832-2-0x00000000057C0000-0x0000000005D64000-memory.dmp
memory/1832-3-0x0000000005310000-0x00000000053A2000-memory.dmp
memory/1832-4-0x00000000053D0000-0x00000000053DA000-memory.dmp
memory/1832-5-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/1832-6-0x0000000006DA0000-0x0000000006DB2000-memory.dmp
memory/1832-7-0x0000000006480000-0x0000000006488000-memory.dmp
memory/1832-8-0x0000000006490000-0x000000000649E000-memory.dmp
memory/1832-9-0x00000000064B0000-0x0000000006526000-memory.dmp
memory/1832-10-0x00000000091A0000-0x000000000923C000-memory.dmp
memory/2064-11-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1832-13-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/2064-14-0x0000000001520000-0x000000000186A000-memory.dmp
memory/2064-16-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2064-17-0x00000000019A0000-0x00000000019B4000-memory.dmp
memory/3456-18-0x00000000027F0000-0x00000000028EF000-memory.dmp
memory/2868-19-0x0000000000B10000-0x0000000000B37000-memory.dmp
memory/2868-20-0x0000000000B10000-0x0000000000B37000-memory.dmp
memory/2868-21-0x00000000011C0000-0x00000000011EF000-memory.dmp
memory/3456-23-0x00000000027F0000-0x00000000028EF000-memory.dmp
memory/3456-25-0x0000000008280000-0x00000000083BF000-memory.dmp
memory/3456-27-0x0000000008280000-0x00000000083BF000-memory.dmp
memory/3456-30-0x0000000008280000-0x00000000083BF000-memory.dmp