Analysis Overview
SHA256
7079f1604aae85be52c19b83e9660b7b484b1c9f114a41fdfcdb6d69f4dfbada
Threat Level: Shows suspicious behavior
The file b9cbe0c25e9fd74799a976c1f75b8b87_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Adds Run key to start application
Drops file in Program Files directory
Unsigned PE
Gathers network information
Runs net.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates processes with tasklist
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-04 13:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-04 13:41
Reported
2024-04-04 13:44
Platform
win7-20240221-en
Max time kernel
122s
Max time network
127s
Command Line
Signatures
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Start GeekBuddy = "C:\\Program Files\\Common Files\\Microsoft Shared\\Web Folders\\1033\\spoolsv.exe" | C:\Users\Admin\AppData\Local\Temp\b9cbe0c25e9fd74799a976c1f75b8b87_JaffaCakes118.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Common Files\Microsoft Shared\Web Folders\1033\spoolsv.exe | C:\Users\Admin\AppData\Local\Temp\b9cbe0c25e9fd74799a976c1f75b8b87_JaffaCakes118.exe | N/A |
Enumerates processes with tasklist
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\tasklist.exe | N/A |
Gathers network information
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\ipconfig.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NETSTAT.EXE | N/A |
Runs net.exe
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\tasklist.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\NETSTAT.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b9cbe0c25e9fd74799a976c1f75b8b87_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b9cbe0c25e9fd74799a976c1f75b8b87_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b9cbe0c25e9fd74799a976c1f75b8b87_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b9cbe0c25e9fd74799a976c1f75b8b87_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ver >c:\windows\temp\flash.log & cmd /c set >>c:\windows\temp\flash.log & ipconfig /all >>c:\windows\temp\flash.log & tasklist >>c:\windows\temp\flash.log & net start>>c:\windows\temp\flash.log & netstat -an >>c:\windows\temp\flash.log
C:\Windows\SysWOW64\cmd.exe
cmd /c set
C:\Windows\SysWOW64\ipconfig.exe
ipconfig /all
C:\Windows\SysWOW64\tasklist.exe
tasklist
C:\Windows\SysWOW64\net.exe
net start
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start
C:\Windows\SysWOW64\NETSTAT.EXE
netstat -an
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.kvic.jp | udp |
Files
\??\c:\windows\temp\flash.log
| MD5 | 4de58fe695a2469a2ae859b07cb20458 |
| SHA1 | 2f6737e2ded9f5d804581fa284caba30bd6468d1 |
| SHA256 | 0bf2b778bfaace4c032ce479cb76328c77d86311d66e3776d56ad750271d09e9 |
| SHA512 | dd28f0720292251f93083ab36062fdf612ddcb0b1d16773c42fbe973f3f27f3964e747952d388ad30bd98075dc2d10ce3f5c8f5b1a3baadb458d0c38edb71a25 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-04 13:41
Reported
2024-04-04 13:44
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
153s
Command Line
Signatures
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Start GeekBuddy = "C:\\Program Files\\Common Files\\Microsoft Shared\\Web Folders\\1033\\spoolsv.exe" | C:\Users\Admin\AppData\Local\Temp\b9cbe0c25e9fd74799a976c1f75b8b87_JaffaCakes118.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Common Files\Microsoft Shared\Web Folders\1033\spoolsv.exe | C:\Users\Admin\AppData\Local\Temp\b9cbe0c25e9fd74799a976c1f75b8b87_JaffaCakes118.exe | N/A |
Enumerates processes with tasklist
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\tasklist.exe | N/A |
Gathers network information
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\ipconfig.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NETSTAT.EXE | N/A |
Runs net.exe
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\tasklist.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\NETSTAT.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b9cbe0c25e9fd74799a976c1f75b8b87_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b9cbe0c25e9fd74799a976c1f75b8b87_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b9cbe0c25e9fd74799a976c1f75b8b87_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b9cbe0c25e9fd74799a976c1f75b8b87_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ver >c:\windows\temp\flash.log & cmd /c set >>c:\windows\temp\flash.log & ipconfig /all >>c:\windows\temp\flash.log & tasklist >>c:\windows\temp\flash.log & net start>>c:\windows\temp\flash.log & netstat -an >>c:\windows\temp\flash.log
C:\Windows\SysWOW64\cmd.exe
cmd /c set
C:\Windows\SysWOW64\ipconfig.exe
ipconfig /all
C:\Windows\SysWOW64\tasklist.exe
tasklist
C:\Windows\SysWOW64\net.exe
net start
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start
C:\Windows\SysWOW64\NETSTAT.EXE
netstat -an
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.kvic.jp | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.211.222.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 218.110.86.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 161.111.86.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.143.182.52.in-addr.arpa | udp |
Files
\??\c:\windows\temp\flash.log
| MD5 | c6c9477328ed96c222bbf9656209c400 |
| SHA1 | 7da7daecdd0709287848ed6fe5f3af9dbd37302f |
| SHA256 | fe5699ac6233f1801d78ac338b670e9be285332a1684331330080a00b1f44874 |
| SHA512 | def0b312f8880085927d59e72fbde0bd59c23392f3a768cc2c62f4959b6f36ee07afaadcbf0e1ea8a90c5de961a121a0d97003299f2bd58b80d4a8d0f2937fad |