Analysis Overview
SHA256
ca465812bfb612a6f02334a347137fa94c78ba22816bb985073599a7a7335450
Threat Level: Known bad
The file e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
ModiLoader, DBatLoader
ModiLoader Second Stage
UAC bypass
Modiloader family
ModiLoader Second Stage
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Deletes itself
Adds Run key to start application
Checks whether UAC is enabled
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
2024-04-07 15:22
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
2024-04-07 15:22
Reported
2024-04-07 15:25
Platform
win7-20240221-en
Max time kernel
150s
Max time network
124s
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 |
| 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 |
| 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\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-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "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\e53d28aa39fe85683d10a1f2ea531562_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\e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\mstwain32.exe | C:\Users\Admin\AppData\Local\Temp\e53d28aa39fe85683d10a1f2ea531562_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 |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e53d28aa39fe85683d10a1f2ea531562_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 1616 wrote to memory of 2856 | N/A | C:\Users\Admin\AppData\Local\Temp\e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe | C:\Windows\mstwain32.exe |
| PID 1616 wrote to memory of 2856 | N/A | C:\Users\Admin\AppData\Local\Temp\e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe | C:\Windows\mstwain32.exe |
| PID 1616 wrote to memory of 2856 | N/A | C:\Users\Admin\AppData\Local\Temp\e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe | C:\Windows\mstwain32.exe |
| PID 1616 wrote to memory of 2856 | N/A | C:\Users\Admin\AppData\Local\Temp\e53d28aa39fe85683d10a1f2ea531562_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\e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e53d28aa39fe85683d10a1f2ea531562_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\e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | byrumeli1.no-ip.biz | udp |
Files
memory/1616-8-0x0000000000400000-0x000000000044B000-memory.dmp
C:\Windows\mstwain32.exe
| MD5 | e53d28aa39fe85683d10a1f2ea531562 |
| SHA1 | 9cd07aab2659d48cf0f96649f3a5764a2125bec0 |
| SHA256 | ca465812bfb612a6f02334a347137fa94c78ba22816bb985073599a7a7335450 |
| SHA512 | 121556cb5787442c79be05b5019614e5009bb0be00ce9700f5fa3c2d8ac8ace13f4a13f832cc7d8c16cfca87c80b1da41ae69885e7b1abdd95e3ca5d01c58ea2 |
memory/2856-12-0x0000000000280000-0x0000000000281000-memory.dmp
memory/2856-13-0x0000000001FC0000-0x0000000001FCE000-memory.dmp
memory/2856-15-0x0000000077020000-0x0000000077110000-memory.dmp
memory/2856-16-0x0000000075230000-0x0000000075244000-memory.dmp
memory/2856-17-0x0000000001FB0000-0x0000000001FB1000-memory.dmp
memory/2856-18-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2856-19-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2856-20-0x0000000077020000-0x0000000077110000-memory.dmp
memory/2856-21-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2856-22-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2856-24-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2856-25-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2856-26-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2856-27-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2856-28-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2856-29-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2856-30-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2856-31-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2856-32-0x0000000000400000-0x000000000044B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 15:22
Reported
2024-04-07 15:25
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
152s
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 |
| 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 |
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| N/A | N/A | N/A | N/A |
| 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-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\e53d28aa39fe85683d10a1f2ea531562_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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "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\e53d28aa39fe85683d10a1f2ea531562_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\e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\mstwain32.exe | C:\Users\Admin\AppData\Local\Temp\e53d28aa39fe85683d10a1f2ea531562_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\e53d28aa39fe85683d10a1f2ea531562_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 1496 wrote to memory of 1920 | N/A | C:\Users\Admin\AppData\Local\Temp\e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe | C:\Windows\mstwain32.exe |
| PID 1496 wrote to memory of 1920 | N/A | C:\Users\Admin\AppData\Local\Temp\e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe | C:\Windows\mstwain32.exe |
| PID 1496 wrote to memory of 1920 | N/A | C:\Users\Admin\AppData\Local\Temp\e53d28aa39fe85683d10a1f2ea531562_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\e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e53d28aa39fe85683d10a1f2ea531562_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\e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | byrumeli1.no-ip.biz | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | byrumeli1.no-ip.biz | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | byrumeli1.no-ip.biz | udp |
| US | 8.8.8.8:53 | byrumeli1.no-ip.biz | udp |
| US | 8.8.8.8:53 | byrumeli1.no-ip.biz | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | byrumeli1.no-ip.biz | udp |
| US | 8.8.8.8:53 | byrumeli1.no-ip.biz | udp |
| US | 8.8.8.8:53 | byrumeli1.no-ip.biz | udp |
| US | 8.8.8.8:53 | 95.16.208.104.in-addr.arpa | udp |
Files
C:\Windows\mstwain32.exe
| MD5 | e53d28aa39fe85683d10a1f2ea531562 |
| SHA1 | 9cd07aab2659d48cf0f96649f3a5764a2125bec0 |
| SHA256 | ca465812bfb612a6f02334a347137fa94c78ba22816bb985073599a7a7335450 |
| SHA512 | 121556cb5787442c79be05b5019614e5009bb0be00ce9700f5fa3c2d8ac8ace13f4a13f832cc7d8c16cfca87c80b1da41ae69885e7b1abdd95e3ca5d01c58ea2 |
memory/1496-10-0x0000000000720000-0x0000000000721000-memory.dmp
memory/1496-9-0x0000000000400000-0x000000000044B000-memory.dmp
C:\Windows\ntdtcstp.dll
| MD5 | 67587e25a971a141628d7f07bd40ffa0 |
| SHA1 | 76fcd014539a3bb247cc0b761225f68bd6055f6b |
| SHA256 | e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378 |
| SHA512 | 6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350 |
memory/1920-18-0x00000000005E0000-0x00000000005E1000-memory.dmp
memory/1920-22-0x00000000030E0000-0x00000000030EE000-memory.dmp
C:\Windows\cmsetac.dll
| MD5 | 9ae8bf65df5592fdada8ee5c8c1db47f |
| SHA1 | b56fc6769add9ecfeb203e10393371d8b3023eb2 |
| SHA256 | b6b6b0f14d5252c535078c674ee49d89b033ce31a1eb313a5e0a057ba9144723 |
| SHA512 | eaa98499f0c7851af5a7ecdb3e5943096f97bd77090bc970b6140a88a11a464e5baf5da26d2b1256e7be42eb70546336b3c27d4c73cb78a3ee5b9f564ca97b7a |
memory/1920-25-0x0000000002F90000-0x0000000002F91000-memory.dmp
memory/1920-26-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-27-0x00000000005F0000-0x00000000005F8000-memory.dmp
memory/1920-28-0x00000000030E0000-0x00000000030EE000-memory.dmp
memory/1920-29-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-32-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-35-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-38-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-41-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-44-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-47-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-50-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-53-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-56-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-59-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-62-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-65-0x0000000000400000-0x000000000044B000-memory.dmp