Analysis Overview
SHA256
ce414fa987ceec4852dfe94db38339e2509d328835bd157789ee27e26c21b1fc
Threat Level: Likely malicious
The file 03eb6402725752f1f3c3bc6ffce9358a_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Drops file in Drivers directory
ASPack v2.12-2.42
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Drops file in System32 directory
Program crash
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-22 21:31
Signatures
ASPack v2.12-2.42
| 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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-22 21:31
Reported
2024-06-22 21:34
Platform
win7-20240611-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\Drivers\aec.sys | C:\Users\Admin\AppData\Local\Temp\03eb6402725752f1f3c3bc6ffce9358a_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Drivers\aec.sys | C:\Users\Admin\AppData\Local\Temp\28627.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\28627.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\03eb6402725752f1f3c3bc6ffce9358a_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\03eb6402725752f1f3c3bc6ffce9358a_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\28627.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\x3 = " " | C:\Users\Admin\AppData\Local\Temp\28627.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\x3 = "c:\\windows\\system32\\shellext\\svchost.exe" | C:\Users\Admin\AppData\Local\Temp\28627.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\windows\SysWOW64\shellext\svchost.exe | C:\Users\Admin\AppData\Local\Temp\28627.exe | N/A |
| File created | \??\c:\windows\SysWOW64\shellext\svchost.exe | C:\Users\Admin\AppData\Local\Temp\28627.exe | N/A |
| File created | C:\Windows\SysWOW64\xiaoxiao_sls.sls | C:\Users\Admin\AppData\Local\Temp\28627.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\28627.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\28627.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\03eb6402725752f1f3c3bc6ffce9358a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\03eb6402725752f1f3c3bc6ffce9358a_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\28627.exe
C:\Users\Admin\AppData\Local\Temp\28627.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 212
Network
Files
memory/1244-0-0x0000000000400000-0x000000000045D000-memory.dmp
\Users\Admin\AppData\Local\Temp\28627.exe
| MD5 | 34a57e43c473201cb5d99f5957a4a349 |
| SHA1 | 1c65459c349cdb4a3bac695bfbe71c3f5471ae03 |
| SHA256 | 98f3360ed2ad357e66afe64f7e71a7683d4da2ee79c2efffd444380f323695cd |
| SHA512 | 3fe97a0edd97d454cd012144a7aacd1cad6beb3ebeb4fbb70e981000ef81f69a49eed4e1d7873c8b1e26e487fbf4c3e9d697e32dc4e7efb1bb464df8b43d7316 |
\Windows\SysWOW64\xiaoxiao_sls.sls
| MD5 | 917b9e105c4e1554a0bb3d44f49dddae |
| SHA1 | 8065e670fa3ec9282df9ad44267cdfa6406c94d5 |
| SHA256 | b0c5eafb89154c8c6977f036c1130e453cee22493e472d728a71c4c2e8790677 |
| SHA512 | d48175b47b7bc51a6334be59ff9361b381815c300a4daee3f72a1e03fc94cd1d354c0b8e22ae528e741dd75539091d9e5993a57e7173eaae8aba89988853ff84 |
memory/1244-17-0x0000000000400000-0x000000000045D000-memory.dmp
memory/1244-20-0x0000000000400000-0x000000000045D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-22 21:31
Reported
2024-06-22 21:34
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
51s
Command Line
Signatures
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\Drivers\aec.sys | C:\Users\Admin\AppData\Local\Temp\03eb6402725752f1f3c3bc6ffce9358a_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Drivers\aec.sys | C:\Users\Admin\AppData\Local\Temp\4182.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4182.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4182.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\x3 = " " | C:\Users\Admin\AppData\Local\Temp\4182.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\x3 = "c:\\windows\\system32\\shellext\\svchost.exe" | C:\Users\Admin\AppData\Local\Temp\4182.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\windows\SysWOW64\shellext\svchost.exe | C:\Users\Admin\AppData\Local\Temp\4182.exe | N/A |
| File created | \??\c:\windows\SysWOW64\shellext\svchost.exe | C:\Users\Admin\AppData\Local\Temp\4182.exe | N/A |
| File created | C:\Windows\SysWOW64\xiaoxiao_sls.sls | C:\Users\Admin\AppData\Local\Temp\4182.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\4182.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\4182.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1724 wrote to memory of 3112 | N/A | C:\Users\Admin\AppData\Local\Temp\03eb6402725752f1f3c3bc6ffce9358a_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\4182.exe |
| PID 1724 wrote to memory of 3112 | N/A | C:\Users\Admin\AppData\Local\Temp\03eb6402725752f1f3c3bc6ffce9358a_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\4182.exe |
| PID 1724 wrote to memory of 3112 | N/A | C:\Users\Admin\AppData\Local\Temp\03eb6402725752f1f3c3bc6ffce9358a_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\4182.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\03eb6402725752f1f3c3bc6ffce9358a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\03eb6402725752f1f3c3bc6ffce9358a_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\4182.exe
C:\Users\Admin\AppData\Local\Temp\4182.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3112 -ip 3112
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3112 -s 400
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
Files
memory/1724-0-0x0000000000400000-0x000000000045D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\4182.exe
| MD5 | 34a57e43c473201cb5d99f5957a4a349 |
| SHA1 | 1c65459c349cdb4a3bac695bfbe71c3f5471ae03 |
| SHA256 | 98f3360ed2ad357e66afe64f7e71a7683d4da2ee79c2efffd444380f323695cd |
| SHA512 | 3fe97a0edd97d454cd012144a7aacd1cad6beb3ebeb4fbb70e981000ef81f69a49eed4e1d7873c8b1e26e487fbf4c3e9d697e32dc4e7efb1bb464df8b43d7316 |
C:\Windows\SysWOW64\xiaoxiao_sls.sls
| MD5 | 917b9e105c4e1554a0bb3d44f49dddae |
| SHA1 | 8065e670fa3ec9282df9ad44267cdfa6406c94d5 |
| SHA256 | b0c5eafb89154c8c6977f036c1130e453cee22493e472d728a71c4c2e8790677 |
| SHA512 | d48175b47b7bc51a6334be59ff9361b381815c300a4daee3f72a1e03fc94cd1d354c0b8e22ae528e741dd75539091d9e5993a57e7173eaae8aba89988853ff84 |
memory/1724-9-0x0000000000400000-0x000000000045D000-memory.dmp