Analysis Overview
SHA256
b902253ab20c158fbec990c5335d1609a2f467ccc74fa40ab91b6f36cd126a2c
Threat Level: Known bad
The file 1f6dd8abec7ed164e5663c9324f68839_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
UAC bypass
ModiLoader, DBatLoader
ModiLoader Second Stage
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
Unsigned PE
Enumerates physical storage devices
Uses Volume Shadow Copy service COM API
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
System policy modification
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-07 04:21
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
2024-05-07 04:21
Reported
2024-05-07 04:24
Platform
win7-20231129-en
Max time kernel
144s
Max time network
117s
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\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\1f6dd8abec7ed164e5663c9324f68839_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\1f6dd8abec7ed164e5663c9324f68839_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\mstwain32.exe | C:\Users\Admin\AppData\Local\Temp\1f6dd8abec7ed164e5663c9324f68839_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\1f6dd8abec7ed164e5663c9324f68839_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 1328 wrote to memory of 3060 | N/A | C:\Users\Admin\AppData\Local\Temp\1f6dd8abec7ed164e5663c9324f68839_JaffaCakes118.exe | C:\Windows\mstwain32.exe |
| PID 1328 wrote to memory of 3060 | N/A | C:\Users\Admin\AppData\Local\Temp\1f6dd8abec7ed164e5663c9324f68839_JaffaCakes118.exe | C:\Windows\mstwain32.exe |
| PID 1328 wrote to memory of 3060 | N/A | C:\Users\Admin\AppData\Local\Temp\1f6dd8abec7ed164e5663c9324f68839_JaffaCakes118.exe | C:\Windows\mstwain32.exe |
| PID 1328 wrote to memory of 3060 | N/A | C:\Users\Admin\AppData\Local\Temp\1f6dd8abec7ed164e5663c9324f68839_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\1f6dd8abec7ed164e5663c9324f68839_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1f6dd8abec7ed164e5663c9324f68839_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\1f6dd8abec7ed164e5663c9324f68839_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | serde.dyndns.org | udp |
Files
C:\Windows\mstwain32.exe
| MD5 | 1f6dd8abec7ed164e5663c9324f68839 |
| SHA1 | 1c0fa8ed470522a45c9b06e1a614d7cf877ee1a9 |
| SHA256 | b902253ab20c158fbec990c5335d1609a2f467ccc74fa40ab91b6f36cd126a2c |
| SHA512 | 36c8b92dc77caa00ea961ce2b806e35db3d9157a86ed62fa857489800130f2120aea14d686481520639cc3633104dba142e03aad67e27316f69173d911435e13 |
memory/1328-8-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3060-12-0x00000000002E0000-0x00000000002E1000-memory.dmp
memory/3060-13-0x00000000005E0000-0x00000000005EE000-memory.dmp
memory/3060-15-0x0000000076400000-0x0000000076401000-memory.dmp
memory/3060-16-0x00000000763F0000-0x00000000764E0000-memory.dmp
memory/3060-17-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3060-19-0x00000000005E0000-0x00000000005EE000-memory.dmp
memory/3060-18-0x00000000002F0000-0x00000000002F8000-memory.dmp
memory/3060-20-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3060-23-0x00000000763F0000-0x00000000764E0000-memory.dmp
memory/3060-24-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3060-27-0x00000000763F0000-0x00000000764E0000-memory.dmp
memory/3060-28-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3060-31-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3060-35-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3060-38-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3060-41-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3060-44-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3060-47-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3060-50-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3060-53-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3060-56-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3060-59-0x0000000000400000-0x000000000044B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-07 04:21
Reported
2024-05-07 04:24
Platform
win10v2004-20240419-en
Max time kernel
142s
Max time network
142s
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\1f6dd8abec7ed164e5663c9324f68839_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-1-5-21-17203666-93769886-2545153620-1000\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\1f6dd8abec7ed164e5663c9324f68839_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\cmsetac.dll | C:\Windows\mstwain32.exe | N/A |
| File created | C:\Windows\mstwain32.exe | C:\Users\Admin\AppData\Local\Temp\1f6dd8abec7ed164e5663c9324f68839_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\mstwain32.exe | C:\Users\Admin\AppData\Local\Temp\1f6dd8abec7ed164e5663c9324f68839_JaffaCakes118.exe | N/A |
| File created | C:\Windows\ntdtcstp.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\1f6dd8abec7ed164e5663c9324f68839_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 1056 wrote to memory of 2648 | N/A | C:\Users\Admin\AppData\Local\Temp\1f6dd8abec7ed164e5663c9324f68839_JaffaCakes118.exe | C:\Windows\mstwain32.exe |
| PID 1056 wrote to memory of 2648 | N/A | C:\Users\Admin\AppData\Local\Temp\1f6dd8abec7ed164e5663c9324f68839_JaffaCakes118.exe | C:\Windows\mstwain32.exe |
| PID 1056 wrote to memory of 2648 | N/A | C:\Users\Admin\AppData\Local\Temp\1f6dd8abec7ed164e5663c9324f68839_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\1f6dd8abec7ed164e5663c9324f68839_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1f6dd8abec7ed164e5663c9324f68839_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\1f6dd8abec7ed164e5663c9324f68839_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 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | serde.dyndns.org | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | serde.dyndns.org | 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 | serde.dyndns.org | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | serde.dyndns.org | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | serde.dyndns.org | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | serde.dyndns.org | udp |
| US | 8.8.8.8:53 | serde.dyndns.org | udp |
| US | 8.8.8.8:53 | serde.dyndns.org | udp |
Files
C:\Windows\mstwain32.exe
| MD5 | 1f6dd8abec7ed164e5663c9324f68839 |
| SHA1 | 1c0fa8ed470522a45c9b06e1a614d7cf877ee1a9 |
| SHA256 | b902253ab20c158fbec990c5335d1609a2f467ccc74fa40ab91b6f36cd126a2c |
| SHA512 | 36c8b92dc77caa00ea961ce2b806e35db3d9157a86ed62fa857489800130f2120aea14d686481520639cc3633104dba142e03aad67e27316f69173d911435e13 |
memory/1056-10-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1056-9-0x0000000000550000-0x0000000000551000-memory.dmp
C:\Windows\ntdtcstp.dll
| MD5 | 67587e25a971a141628d7f07bd40ffa0 |
| SHA1 | 76fcd014539a3bb247cc0b761225f68bd6055f6b |
| SHA256 | e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378 |
| SHA512 | 6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350 |
memory/2648-18-0x0000000000820000-0x0000000000821000-memory.dmp
C:\Windows\cmsetac.dll
| MD5 | c3db761f339e38c7f3fbf9693fec7f46 |
| SHA1 | 77d91c8cd2bd9284c63f6b03673a013c7d4b12f1 |
| SHA256 | a87a2ca3d6499981f0767c9459d773d658c85f852ea811f5a1374dcab17d3d12 |
| SHA512 | e4b03052cef0b0e749bd78297fdfee86390fcf1bd84e552538a94401b515fe7fc4881dc3ac8024847ff007aa90a9f74413bb653f7bf37ddd40dc109640652bbe |
memory/2648-22-0x00000000024E0000-0x00000000024EE000-memory.dmp
memory/2648-25-0x0000000002490000-0x0000000002491000-memory.dmp
memory/2648-26-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2648-28-0x00000000024E0000-0x00000000024EE000-memory.dmp
memory/2648-27-0x0000000000870000-0x0000000000878000-memory.dmp
memory/2648-29-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2648-32-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2648-35-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2648-38-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2648-41-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2648-44-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2648-47-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2648-50-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2648-53-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2648-56-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2648-59-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2648-62-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2648-65-0x0000000000400000-0x000000000044B000-memory.dmp