Analysis Overview
SHA256
8aa5a9c79c871690a1fad384608ba8abcb7e18a09968ed177a3830f9363a716f
Threat Level: Known bad
The file 2629102aaab6078a598437b0bfde20f6_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
ModiLoader Second Stage
ModiLoader, DBatLoader
UAC bypass
Modiloader family
ModiLoader Second Stage
Loads dropped DLL
Executes dropped EXE
Deletes itself
Checks computer location settings
Checks whether UAC is enabled
Adds Run key to start application
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Uses Volume Shadow Copy service COM API
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-08 18:32
Signatures
ModiLoader Second Stage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Modiloader family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-08 18:32
Reported
2024-05-08 18:35
Platform
win7-20231129-en
Max time kernel
149s
Max time network
149s
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\mstwain32.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 |
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Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\Lütfen Çalýþtýrýn = "C:\\Windows\\mstwain32.exe" | C:\Windows\mstwain32.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\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\mstwain32.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\mstwain32.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\mstwain32.exe | C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\mstwain32.exe | C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe | N/A |
| File created | C:\Windows\ntdtcstp.dll | C:\Windows\mstwain32.exe | N/A |
| File created | C:\Windows\cmsetac.dll | C:\Windows\mstwain32.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\2629102aaab6078a598437b0bfde20f6_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\mstwain32.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\mstwain32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2968 wrote to memory of 1792 | N/A | C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe | C:\Windows\mstwain32.exe |
| PID 2968 wrote to memory of 1792 | N/A | C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe | C:\Windows\mstwain32.exe |
| PID 2968 wrote to memory of 1792 | N/A | C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe | C:\Windows\mstwain32.exe |
| PID 2968 wrote to memory of 1792 | N/A | C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe | C:\Windows\mstwain32.exe |
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\mstwain32.exe | N/A |
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | xaero.zapto.org | udp |
Files
memory/2968-0-0x0000000000330000-0x0000000000331000-memory.dmp
C:\Windows\mstwain32.exe
| MD5 | 2629102aaab6078a598437b0bfde20f6 |
| SHA1 | 7f02c1be915d19184f1f68ec89078ee55a9f974e |
| SHA256 | 8aa5a9c79c871690a1fad384608ba8abcb7e18a09968ed177a3830f9363a716f |
| SHA512 | d70f52ea07b78af4dc1ebb6c89afb4e874b1436233ed2d24215cd3795ac8bf74d5ee3538fc27092f713a9ab14524bf7f79eca1a20b30adff0354ac22e2004847 |
memory/2968-9-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-13-0x00000000003F0000-0x00000000003F1000-memory.dmp
memory/1792-14-0x0000000002470000-0x000000000247E000-memory.dmp
memory/1792-16-0x0000000075610000-0x0000000075611000-memory.dmp
memory/1792-17-0x0000000075600000-0x00000000756F0000-memory.dmp
memory/1792-18-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-20-0x0000000002470000-0x000000000247E000-memory.dmp
memory/1792-19-0x00000000005E0000-0x00000000005E8000-memory.dmp
memory/1792-21-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-24-0x0000000075600000-0x00000000756F0000-memory.dmp
memory/1792-25-0x0000000075600000-0x00000000756F0000-memory.dmp
memory/1792-26-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-29-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-32-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-36-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-39-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-42-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-45-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-48-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-51-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-54-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-57-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-60-0x0000000000400000-0x000000000044B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-08 18:32
Reported
2024-05-08 18:35
Platform
win10v2004-20240508-en
Max time kernel
148s
Max time network
149s
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\mstwain32.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 |
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| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Lütfen Çalýþtýrýn = "C:\\Windows\\mstwain32.exe" | C:\Windows\mstwain32.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\mstwain32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\mstwain32.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\ntdtcstp.dll | C:\Windows\mstwain32.exe | N/A |
| File created | C:\Windows\cmsetac.dll | C:\Windows\mstwain32.exe | N/A |
| File created | C:\Windows\mstwain32.exe | C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\mstwain32.exe | C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.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\2629102aaab6078a598437b0bfde20f6_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\mstwain32.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\mstwain32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2416 wrote to memory of 1792 | N/A | C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe | C:\Windows\mstwain32.exe |
| PID 2416 wrote to memory of 1792 | N/A | C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe | C:\Windows\mstwain32.exe |
| PID 2416 wrote to memory of 1792 | N/A | C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe | C:\Windows\mstwain32.exe |
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\mstwain32.exe | N/A |
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\2629102aaab6078a598437b0bfde20f6_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | xaero.zapto.org | udp |
| US | 8.8.8.8:53 | xaero.zapto.org | udp |
| US | 8.8.8.8:53 | xaero.zapto.org | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | xaero.zapto.org | udp |
| US | 8.8.8.8:53 | xaero.zapto.org | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | xaero.zapto.org | udp |
| US | 8.8.8.8:53 | xaero.zapto.org | udp |
| US | 8.8.8.8:53 | xaero.zapto.org | udp |
Files
memory/2416-0-0x0000000000620000-0x0000000000621000-memory.dmp
C:\Windows\mstwain32.exe
| MD5 | 2629102aaab6078a598437b0bfde20f6 |
| SHA1 | 7f02c1be915d19184f1f68ec89078ee55a9f974e |
| SHA256 | 8aa5a9c79c871690a1fad384608ba8abcb7e18a09968ed177a3830f9363a716f |
| SHA512 | d70f52ea07b78af4dc1ebb6c89afb4e874b1436233ed2d24215cd3795ac8bf74d5ee3538fc27092f713a9ab14524bf7f79eca1a20b30adff0354ac22e2004847 |
memory/2416-9-0x0000000000400000-0x000000000044B000-memory.dmp
C:\Windows\ntdtcstp.dll
| MD5 | 67587e25a971a141628d7f07bd40ffa0 |
| SHA1 | 76fcd014539a3bb247cc0b761225f68bd6055f6b |
| SHA256 | e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378 |
| SHA512 | 6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350 |
memory/1792-18-0x00000000005F0000-0x00000000005F1000-memory.dmp
C:\Windows\cmsetac.dll
| MD5 | 797988d4532348f0d8fcc82defd035d1 |
| SHA1 | 37aade528fb0cb5d0cebd85bed3ec8103cfbf31b |
| SHA256 | 1a6a34b4e65bfce2085bcfb07a7691830624ba876c84da714fe8d94d5a473bdc |
| SHA512 | e26cff681f7e205ce27b0c08fd4f5a28c67e05dc7a10b2ed2471a75e21c6fbc4121fd836b185f305e634fe3a450db3fde10942a4d9687794b1c05e175667c360 |
memory/1792-22-0x00000000028E0000-0x00000000028EE000-memory.dmp
memory/1792-25-0x0000000002790000-0x0000000002791000-memory.dmp
memory/1792-26-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-28-0x00000000028E0000-0x00000000028EE000-memory.dmp
memory/1792-27-0x0000000000940000-0x0000000000948000-memory.dmp
memory/1792-29-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-32-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-35-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-38-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-41-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-44-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-47-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-50-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-53-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-56-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-59-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-62-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1792-65-0x0000000000400000-0x000000000044B000-memory.dmp