Analysis Overview
SHA256
e98f80c2687495eb2d2e2098d92d5dcaf6d90212c14f9d2cc0d9f64c9cd4861d
Threat Level: Known bad
The file 8c87b8613d433da6c8c69d7e5db0e1b9 was found to be: Known bad.
Malicious Activity Summary
ModiLoader, DBatLoader
ModiLoader Second Stage
Deletes itself
Executes dropped EXE
Loads dropped DLL
Enumerates connected drives
Drops autorun.inf file
Drops file in System32 directory
Suspicious use of SetThreadContext
Drops file in Program Files directory
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-03 14:12
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-03 14:12
Reported
2024-02-03 14:14
Platform
win7-20231215-en
Max time kernel
142s
Max time network
123s
Command Line
Signatures
ModiLoader, DBatLoader
ModiLoader Second Stage
| 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 |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Enumerates connected drives
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File opened for modification | F:\AutoRun.inf | C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe | N/A |
| File created | C:\AutoRun.inf | C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe | N/A |
| File opened for modification | C:\AutoRun.inf | C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe | N/A |
| File created | F:\AutoRun.inf | C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\_system_32.exe | C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\_system_32.exe | C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1048 set thread context of 2708 | N/A | C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe | C:\Windows\SysWOW64\calc.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Common Files\Microsoft Shared\MSINFO\SetupDel.bat | C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe | N/A |
| File created | C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe | C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe | C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe
"C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe"
C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe
"C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe"
C:\Windows\SysWOW64\calc.exe
"C:\Windows\system32\calc.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 300
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Program Files\Common Files\Microsoft Shared\MSINFO\SetupDel.bat""
Network
Files
memory/1976-0-0x0000000000400000-0x00000000004BD200-memory.dmp
memory/1976-1-0x0000000000240000-0x0000000000241000-memory.dmp
F:\system_32.exe
| MD5 | 8c87b8613d433da6c8c69d7e5db0e1b9 |
| SHA1 | 91b6ffeb1640c24858a6c984f11afd4aa2a34725 |
| SHA256 | e98f80c2687495eb2d2e2098d92d5dcaf6d90212c14f9d2cc0d9f64c9cd4861d |
| SHA512 | 7b6ecc92f3386e038868570b3017c62916d3b24b5447dbd22b7589a58414369550cda5fe5002d2af9422081418482e9f9e630dd11210841909d874b57cadbc6e |
memory/1976-19-0x0000000001E30000-0x0000000001EEE000-memory.dmp
memory/1048-20-0x0000000000400000-0x00000000004BD200-memory.dmp
memory/1048-25-0x00000000003E0000-0x00000000003E1000-memory.dmp
memory/1976-21-0x0000000001E30000-0x0000000001EEE000-memory.dmp
memory/2708-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2708-28-0x0000000000400000-0x00000000004BE000-memory.dmp
memory/2708-32-0x0000000000890000-0x0000000000890000-memory.dmp
memory/2708-30-0x0000000000400000-0x00000000004BE000-memory.dmp
memory/1976-36-0x0000000000400000-0x00000000004BD200-memory.dmp
memory/1048-37-0x0000000000400000-0x00000000004BD200-memory.dmp
memory/1976-38-0x0000000000240000-0x0000000000241000-memory.dmp
C:\Program Files\Common Files\Microsoft Shared\MSInfo\SetupDel.bat
| MD5 | 8feab5be9206005614302013f3c0d0ce |
| SHA1 | 065000fac2570d00ccf048eebe0eb77a44c0fc98 |
| SHA256 | b3d5588d1dda66b0550878614958b4d1303c2c1a68a5eaed3e1ff28d45a3b623 |
| SHA512 | e3a7d83418f921ec21e3a7a004d9fa03629e29a9fbb54823d0b9ff03462f26e9de062784f9dd80dfb8c0b8edffeba73913f01fddd400218b13af751dce555bc4 |
memory/1976-49-0x0000000000400000-0x00000000004BD200-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-03 14:12
Reported
2024-02-03 14:14
Platform
win10v2004-20231215-en
Max time kernel
93s
Max time network
148s
Command Line
Signatures
ModiLoader, DBatLoader
ModiLoader Second Stage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe | N/A |
Enumerates connected drives
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File opened for modification | C:\AutoRun.inf | C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe | N/A |
| File created | F:\AutoRun.inf | C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe | N/A |
| File opened for modification | F:\AutoRun.inf | C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe | N/A |
| File created | C:\AutoRun.inf | C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\_system_32.exe | C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\_system_32.exe | C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4760 set thread context of 748 | N/A | C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe | C:\Windows\SysWOW64\calc.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe | C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe | C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe | N/A |
| File created | C:\Program Files\Common Files\Microsoft Shared\MSINFO\SetupDel.bat | C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\calc.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe
"C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe"
C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe
"C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe"
C:\program files\internet explorer\IEXPLORE.EXE
"C:\program files\internet explorer\IEXPLORE.EXE"
C:\Windows\SysWOW64\calc.exe
"C:\Windows\system32\calc.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Program Files\Common Files\Microsoft Shared\MSINFO\SetupDel.bat""
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 748 -ip 748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 12
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
Files
memory/4908-0-0x0000000000400000-0x00000000004BD200-memory.dmp
F:\system_32.exe
| MD5 | 8c87b8613d433da6c8c69d7e5db0e1b9 |
| SHA1 | 91b6ffeb1640c24858a6c984f11afd4aa2a34725 |
| SHA256 | e98f80c2687495eb2d2e2098d92d5dcaf6d90212c14f9d2cc0d9f64c9cd4861d |
| SHA512 | 7b6ecc92f3386e038868570b3017c62916d3b24b5447dbd22b7589a58414369550cda5fe5002d2af9422081418482e9f9e630dd11210841909d874b57cadbc6e |
memory/4908-9-0x0000000002350000-0x0000000002351000-memory.dmp
C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe
| MD5 | 0e196dd92940e4d4a852373858dd23ae |
| SHA1 | 0b156e6fc05f17a99a3ec2732829a08a1d2967d8 |
| SHA256 | 30175f57813d6873d24b0ba1e9108e0ed0d7395fc24793023c0a5aac9cf94042 |
| SHA512 | e3c962d1458026971093309af29dc820d748fbc93f8fa3662a262e9be2ccd079f35f231e63102c775b386a1fcb8fa11eabae1a54637cac8421d93b01b48e1ee8 |
memory/748-18-0x0000000000400000-0x00000000004BE000-memory.dmp
memory/4760-15-0x0000000002030000-0x0000000002031000-memory.dmp
memory/4760-20-0x0000000000400000-0x00000000004BD200-memory.dmp
memory/4908-24-0x0000000000400000-0x00000000004BD200-memory.dmp
C:\Program Files\Common Files\Microsoft Shared\MSINFO\SetupDel.bat
| MD5 | 8feab5be9206005614302013f3c0d0ce |
| SHA1 | 065000fac2570d00ccf048eebe0eb77a44c0fc98 |
| SHA256 | b3d5588d1dda66b0550878614958b4d1303c2c1a68a5eaed3e1ff28d45a3b623 |
| SHA512 | e3a7d83418f921ec21e3a7a004d9fa03629e29a9fbb54823d0b9ff03462f26e9de062784f9dd80dfb8c0b8edffeba73913f01fddd400218b13af751dce555bc4 |
memory/748-26-0x0000000000640000-0x0000000000640000-memory.dmp