Analysis Overview
SHA256
7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d
Threat Level: Known bad
The file 7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d was found to be: Known bad.
Malicious Activity Summary
Stealc
Stealc family
Loads dropped DLL
Checks computer location settings
Unsecured Credentials: Credentials In Files
Reads data files stored by FTP clients
Deletes itself
Checks installed software on the system
System Location Discovery: System Language Discovery
Program crash
Enumerates physical storage devices
Unsigned PE
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-14 09:38
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-14 09:38
Reported
2024-11-14 09:41
Platform
win7-20240903-en
Max time kernel
117s
Max time network
120s
Command Line
Signatures
Stealc
Stealc family
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe | N/A |
Reads data files stored by FTP clients
Unsecured Credentials: Credentials In Files
Checks installed software on the system
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\timeout.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe
"C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe" & del "C:\ProgramData\*.dll"" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 5
Network
| Country | Destination | Domain | Proto |
| NL | 77.220.212.32:80 | 77.220.212.32 | tcp |
Files
memory/1632-1-0x0000000002C50000-0x0000000002D50000-memory.dmp
memory/1632-2-0x00000000002D0000-0x00000000003AA000-memory.dmp
memory/1632-3-0x0000000000400000-0x00000000006ED000-memory.dmp
\ProgramData\chrome.dll
| MD5 | eda18948a989176f4eebb175ce806255 |
| SHA1 | ff22a3d5f5fb705137f233c36622c79eab995897 |
| SHA256 | 81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4 |
| SHA512 | 160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85 |
memory/1632-11-0x0000000002C50000-0x0000000002D50000-memory.dmp
memory/1632-10-0x00000000002D0000-0x00000000003AA000-memory.dmp
memory/1632-12-0x0000000000400000-0x00000000006ED000-memory.dmp
memory/1632-9-0x0000000000400000-0x0000000002BAE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-14 09:38
Reported
2024-11-14 09:41
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
143s
Command Line
Signatures
Stealc
Stealc family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe | N/A |
Reads data files stored by FTP clients
Unsecured Credentials: Credentials In Files
Checks installed software on the system
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\timeout.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3300 wrote to memory of 3284 | N/A | C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3300 wrote to memory of 3284 | N/A | C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3300 wrote to memory of 3284 | N/A | C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3284 wrote to memory of 5068 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 3284 wrote to memory of 5068 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 3284 wrote to memory of 5068 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe
"C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\7a3c1f0a826eec9b77bbe25a3da2db497d2005238c494190f075b0a22b21006d.exe" & del "C:\ProgramData\*.dll"" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3300 -ip 3300
C:\Windows\SysWOW64\timeout.exe
timeout /t 5
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3300 -s 1484
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| NL | 77.220.212.32:80 | 77.220.212.32 | tcp |
| US | 8.8.8.8:53 | 32.212.220.77.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/3300-1-0x0000000002DC0000-0x0000000002EC0000-memory.dmp
memory/3300-2-0x0000000004860000-0x000000000493A000-memory.dmp
memory/3300-3-0x0000000000400000-0x00000000006ED000-memory.dmp
C:\ProgramData\chrome.dll
| MD5 | eda18948a989176f4eebb175ce806255 |
| SHA1 | ff22a3d5f5fb705137f233c36622c79eab995897 |
| SHA256 | 81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4 |
| SHA512 | 160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85 |
memory/3300-12-0x0000000000400000-0x00000000006ED000-memory.dmp
memory/3300-11-0x0000000004860000-0x000000000493A000-memory.dmp
memory/3300-10-0x0000000000400000-0x0000000002BAE000-memory.dmp