Analysis Overview
SHA256
a2c87d019943bf7d1d05f87749c574d10e41e5147f174ee6de6605db8728b8ca
Threat Level: Known bad
The file 09a32979c530c80cb87f56d7eeda2c0b_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
ModiLoader, DBatLoader
UAC bypass
ModiLoader Second Stage
Deletes itself
UPX packed file
Executes dropped EXE
Checks whether UAC is enabled
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
System policy modification
Uses Volume Shadow Copy service COM API
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-20 22:00
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-20 22:00
Reported
2024-06-20 22:03
Platform
win10v2004-20240508-en
Max time kernel
92s
Max time network
94s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\09a32979c530c80cb87f56d7eeda2c0b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\09a32979c530c80cb87f56d7eeda2c0b_JaffaCakes118.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 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
memory/3740-1-0x00000000021B0000-0x000000000230D000-memory.dmp
memory/3740-0-0x00000000006B0000-0x00000000006B1000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-20 22:00
Reported
2024-06-20 22:03
Platform
win7-20240220-en
Max time kernel
147s
Max time network
121s
Command Line
Signatures
ModiLoader, DBatLoader
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\winlogon.exe | N/A |
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 |
| 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\winlogon.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\winlogon.exe | N/A |
| N/A | N/A | C:\Windows\winlogon.exe | N/A |
UPX packed file
| 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 |
| 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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlogon = "C:\\Windows\\winlogon.exe" | C:\Windows\winlogon.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\09a32979c530c80cb87f56d7eeda2c0b_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\winlogon.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\winlogon.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2292 set thread context of 2668 | N/A | C:\Users\Admin\AppData\Local\Temp\09a32979c530c80cb87f56d7eeda2c0b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\09a32979c530c80cb87f56d7eeda2c0b_JaffaCakes118.exe |
| PID 2056 set thread context of 1508 | N/A | C:\Windows\winlogon.exe | C:\Windows\winlogon.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\winlogon.exe | C:\Users\Admin\AppData\Local\Temp\09a32979c530c80cb87f56d7eeda2c0b_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\winlogon.exe | C:\Users\Admin\AppData\Local\Temp\09a32979c530c80cb87f56d7eeda2c0b_JaffaCakes118.exe | N/A |
| File created | C:\Windows\ntdtcstp.dll | C:\Windows\winlogon.exe | N/A |
| File created | C:\Windows\cmsetac.dll | C:\Windows\winlogon.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\09a32979c530c80cb87f56d7eeda2c0b_JaffaCakes118.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\winlogon.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\winlogon.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\winlogon.exe | N/A |
| N/A | N/A | C:\Windows\winlogon.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\winlogon.exe | N/A |
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\09a32979c530c80cb87f56d7eeda2c0b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\09a32979c530c80cb87f56d7eeda2c0b_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\09a32979c530c80cb87f56d7eeda2c0b_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\09a32979c530c80cb87f56d7eeda2c0b_JaffaCakes118.exe
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\winlogon.exe
"C:\Windows\winlogon.exe" \melt "C:\Users\Admin\AppData\Local\Temp\09a32979c530c80cb87f56d7eeda2c0b_JaffaCakes118.exe"
C:\Windows\winlogon.exe
C:\Windows\winlogon.exe \melt C:\Users\Admin\AppData\Local\Temp\09a32979c530c80cb87f56d7eeda2c0b_JaffaCakes118.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | maxinitto.no-ip.org | udp |
Files
memory/2292-0-0x0000000000260000-0x0000000000261000-memory.dmp
memory/2292-1-0x0000000001E90000-0x0000000001FED000-memory.dmp
memory/2292-2-0x0000000000320000-0x0000000000321000-memory.dmp
memory/2668-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2668-13-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2668-10-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2292-14-0x0000000020000000-0x00000000201E2000-memory.dmp
memory/2668-16-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2668-17-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2668-18-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2668-19-0x00000000002B0000-0x00000000002B1000-memory.dmp
C:\Windows\winlogon.exe
| MD5 | 09a32979c530c80cb87f56d7eeda2c0b |
| SHA1 | 4b7b0320dd74ad2fe9fc5e2d91e476d6dca411bf |
| SHA256 | a2c87d019943bf7d1d05f87749c574d10e41e5147f174ee6de6605db8728b8ca |
| SHA512 | 3e0716ecbc6b72ce270e5d63864a1c439f39c40b91a6db57d9bfbb05b9e365ada86313bd8095d79b23a2cefa2765b17fa765a28c7b41d02a9d0543682cafb539 |
memory/2668-28-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2056-29-0x0000000000270000-0x0000000000271000-memory.dmp
memory/2056-39-0x0000000020001000-0x0000000020003000-memory.dmp
memory/1508-43-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1508-49-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2056-47-0x0000000020000000-0x00000000201E2000-memory.dmp
memory/2056-46-0x0000000020000000-0x00000000201E2000-memory.dmp
memory/1508-50-0x0000000020000000-0x00000000201E2000-memory.dmp
memory/1508-51-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1508-52-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1508-56-0x00000000023A0000-0x00000000023AE000-memory.dmp
memory/1508-58-0x0000000000340000-0x0000000000348000-memory.dmp
memory/1508-59-0x00000000023A0000-0x00000000023AE000-memory.dmp
memory/2056-62-0x0000000020000000-0x00000000201E2000-memory.dmp