Analysis Overview
SHA256
73fa3454ffcf740d1548fd1eeac76735f18159cb88220533bc0e09822001c462
Threat Level: Likely malicious
The file e61836780534d10737e6dac62bb963e8_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Adds policy Run key to start application
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 23:18
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 23:18
Reported
2024-04-07 23:21
Platform
win7-20240221-en
Max time kernel
117s
Max time network
120s
Command Line
Signatures
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\policies\Explorer\Run | C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Urgent System Check = "C:\\Windows\\system32\\winsrv32.exe" | C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Reads user/profile data of web browsers
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\winsrv32.exe | C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\winsrv32.exe | C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\E61836~1.EXE >> NUL
Network
Files
memory/3044-0-0x00000000003F0000-0x0000000000414000-memory.dmp
memory/600-3-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-5-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-7-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-9-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-11-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-13-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-33-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-31-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-29-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-27-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-25-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-23-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-21-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-19-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-17-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-43-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-51-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-59-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-65-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-63-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-61-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-57-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-55-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-53-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-49-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-47-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-45-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-41-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-39-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-37-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-35-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/600-15-0x00000000001F0000-0x0000000000203000-memory.dmp
memory/3044-4535-0x00000000003F0000-0x0000000000414000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 23:18
Reported
2024-04-07 23:21
Platform
win10v2004-20240226-en
Max time kernel
146s
Max time network
151s
Command Line
Signatures
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Windows\CurrentVersion\policies\Explorer\Run | C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Urgent System Check = "C:\\Windows\\system32\\winsrv32.exe" | C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe | 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\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe | N/A |
Reads user/profile data of web browsers
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\winsrv32.exe | C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\winsrv32.exe | C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\E61836~1.EXE >> NUL
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 121.118.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.65.42.20.in-addr.arpa | udp |
Files
memory/4592-0-0x00000000003F0000-0x0000000000414000-memory.dmp
memory/792-3-0x00000000252C0000-0x00000000252D3000-memory.dmp
memory/3356-4-0x00000000031B0000-0x00000000031C3000-memory.dmp
memory/4592-5-0x00000000003F0000-0x0000000000414000-memory.dmp