Analysis Overview
SHA256
d17dc5760a94c6a8d85b462dfe3cfdf40917e670513dadd5fd5eeaa9941106af
Threat Level: Known bad
The file a8e3b5b211ec454517c8d8fc7b0739e4_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Formbook
Formbook payload
Checks computer location settings
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-03 22:55
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-03 22:55
Reported
2024-04-03 22:57
Platform
win7-20240221-en
Max time kernel
120s
Max time network
125s
Command Line
Signatures
Formbook
Formbook payload
| Description | Indicator | Process | Target |
| 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 1612 set thread context of 2560 | N/A | C:\Users\Admin\AppData\Local\Temp\a8e3b5b211ec454517c8d8fc7b0739e4_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\a8e3b5b211ec454517c8d8fc7b0739e4_JaffaCakes118.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a8e3b5b211ec454517c8d8fc7b0739e4_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a8e3b5b211ec454517c8d8fc7b0739e4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a8e3b5b211ec454517c8d8fc7b0739e4_JaffaCakes118.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uAWjkCh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp21C3.tmp"
C:\Users\Admin\AppData\Local\Temp\a8e3b5b211ec454517c8d8fc7b0739e4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a8e3b5b211ec454517c8d8fc7b0739e4_JaffaCakes118.exe"
Network
Files
memory/1612-0-0x00000000008A0000-0x000000000091E000-memory.dmp
memory/1612-1-0x0000000074050000-0x000000007473E000-memory.dmp
memory/1612-2-0x0000000004DA0000-0x0000000004DE0000-memory.dmp
memory/1612-3-0x00000000004F0000-0x00000000004FE000-memory.dmp
memory/1612-4-0x0000000074050000-0x000000007473E000-memory.dmp
memory/1612-5-0x0000000002030000-0x0000000002088000-memory.dmp
memory/2560-11-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2560-12-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2560-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2560-15-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1612-16-0x0000000074050000-0x000000007473E000-memory.dmp
memory/2560-17-0x0000000000AB0000-0x0000000000DB3000-memory.dmp
memory/2560-18-0x0000000000AB0000-0x0000000000DB3000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-03 22:55
Reported
2024-04-03 22:58
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
157s
Command Line
Signatures
Formbook
Formbook payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\a8e3b5b211ec454517c8d8fc7b0739e4_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3172 set thread context of 3808 | N/A | C:\Users\Admin\AppData\Local\Temp\a8e3b5b211ec454517c8d8fc7b0739e4_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\a8e3b5b211ec454517c8d8fc7b0739e4_JaffaCakes118.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a8e3b5b211ec454517c8d8fc7b0739e4_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a8e3b5b211ec454517c8d8fc7b0739e4_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a8e3b5b211ec454517c8d8fc7b0739e4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a8e3b5b211ec454517c8d8fc7b0739e4_JaffaCakes118.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uAWjkCh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4C66.tmp"
C:\Users\Admin\AppData\Local\Temp\a8e3b5b211ec454517c8d8fc7b0739e4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a8e3b5b211ec454517c8d8fc7b0739e4_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 44.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.201.50.20.in-addr.arpa | udp |
Files
memory/3172-1-0x0000000074BD0000-0x0000000075380000-memory.dmp
memory/3172-0-0x0000000000B90000-0x0000000000C0E000-memory.dmp
memory/3172-2-0x0000000005C70000-0x0000000006214000-memory.dmp
memory/3172-3-0x00000000055C0000-0x0000000005652000-memory.dmp
memory/3172-4-0x0000000005810000-0x0000000005820000-memory.dmp
memory/3172-5-0x0000000005660000-0x000000000566A000-memory.dmp
memory/3172-6-0x00000000069C0000-0x0000000006A5C000-memory.dmp
memory/3172-7-0x0000000005C00000-0x0000000005C0E000-memory.dmp
memory/3172-8-0x0000000074BD0000-0x0000000075380000-memory.dmp
memory/3172-9-0x0000000005810000-0x0000000005820000-memory.dmp
memory/3172-10-0x0000000006D60000-0x0000000006DB8000-memory.dmp
memory/3808-16-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3172-18-0x0000000074BD0000-0x0000000075380000-memory.dmp
memory/3808-19-0x00000000014A0000-0x00000000017EA000-memory.dmp
memory/3808-20-0x00000000014A0000-0x00000000017EA000-memory.dmp