Analysis Overview
SHA256
b8d074da8531b10cee3844431f8502da1a3932586fb6fa82da7a38da44409026
Threat Level: Known bad
The file cb40c157e93e8013af5447c28fd3b942_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Formbook
Formbook payload
UPX packed file
Suspicious use of SetThreadContext
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-30 16:52
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-30 16:52
Reported
2024-08-30 16:55
Platform
win7-20240729-en
Max time kernel
141s
Max time network
16s
Command Line
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\cb40c157e93e8013af5447c28fd3b942_JaffaCakes118.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\cb40c157e93e8013af5447c28fd3b942_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cb40c157e93e8013af5447c28fd3b942_JaffaCakes118.exe"
Network
Files
memory/1036-0-0x0000000000400000-0x0000000000586000-memory.dmp
memory/1036-1-0x0000000000220000-0x0000000000221000-memory.dmp
memory/1036-2-0x0000000000400000-0x0000000000586000-memory.dmp
memory/1036-4-0x0000000000220000-0x0000000000221000-memory.dmp
memory/1036-6-0x0000000000400000-0x0000000000586000-memory.dmp
memory/1036-7-0x0000000000400000-0x0000000000586000-memory.dmp
memory/1036-8-0x0000000000400000-0x0000000000586000-memory.dmp
memory/1036-9-0x0000000000400000-0x0000000000586000-memory.dmp
memory/1036-11-0x0000000000400000-0x0000000000586000-memory.dmp
memory/1036-12-0x0000000000400000-0x0000000000586000-memory.dmp
memory/1036-13-0x0000000000400000-0x0000000000586000-memory.dmp
memory/1036-14-0x0000000000400000-0x0000000000586000-memory.dmp
memory/1036-16-0x0000000000400000-0x0000000000586000-memory.dmp
memory/1036-17-0x0000000000400000-0x0000000000586000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-30 16:52
Reported
2024-08-30 16:55
Platform
win10v2004-20240802-en
Max time kernel
135s
Max time network
133s
Command Line
Signatures
Formbook
Formbook payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | 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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4532 set thread context of 4052 | N/A | C:\Users\Admin\AppData\Local\Temp\cb40c157e93e8013af5447c28fd3b942_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\cb40c157e93e8013af5447c28fd3b942_JaffaCakes118.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\cb40c157e93e8013af5447c28fd3b942_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cb40c157e93e8013af5447c28fd3b942_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cb40c157e93e8013af5447c28fd3b942_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cb40c157e93e8013af5447c28fd3b942_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cb40c157e93e8013af5447c28fd3b942_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cb40c157e93e8013af5447c28fd3b942_JaffaCakes118.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3884,i,7447299413640964517,4240724842020506306,262144 --variations-seed-version --mojo-platform-channel-handle=4148 /prefetch:8
C:\Users\Admin\AppData\Local\Temp\cb40c157e93e8013af5447c28fd3b942_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\cb40c157e93e8013af5447c28fd3b942_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 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.179.89.13.in-addr.arpa | udp |
Files
memory/4532-0-0x0000000000400000-0x0000000000586000-memory.dmp
memory/4532-1-0x0000000002330000-0x0000000002331000-memory.dmp
memory/4532-2-0x0000000000400000-0x0000000000586000-memory.dmp
memory/4532-4-0x0000000002330000-0x0000000002331000-memory.dmp
memory/4052-6-0x0000000000400000-0x000000000042A000-memory.dmp
memory/4532-9-0x0000000000400000-0x0000000000586000-memory.dmp
memory/4052-10-0x0000000000AF0000-0x0000000000E3A000-memory.dmp