Analysis Overview
SHA256
931b61a21a21c5c6c4dd42ff0e0c744c2f683da14820e644b2f3e4f8ea0f74f6
Threat Level: Shows suspicious behavior
The file e59a0f3ca70a1893b785c0e823ca6721_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
Enumerates processes with tasklist
Gathers network information
Suspicious use of WriteProcessMemory
Runs net.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 18:40
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 18:40
Reported
2024-04-07 18:43
Platform
win7-20231129-en
Max time kernel
118s
Max time network
118s
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\e59a0f3ca70a1893b785c0e823ca6721_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\e59a0f3ca70a1893b785c0e823ca6721_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\e59a0f3ca70a1893b785c0e823ca6721_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e59a0f3ca70a1893b785c0e823ca6721_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e59a0f3ca70a1893b785c0e823ca6721_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e59a0f3ca70a1893b785c0e823ca6721_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 | 3ebb670afbe65b2b17da5b67141aae93 |
| SHA1 | 0a001dc49b04c45d6fc86a0813c3f2fffd292d48 |
| SHA256 | 4b2cc04ac9f067deaeba9e9b83a2852dab17355db59ad05d304591603daa6efe |
| SHA512 | 90145bfa627e89b8837e90a7517b89d95c41ba0d9928d8d8ea75f2afedcdb035deced1519fc87d19a22f9a4d8f9e74f73f0360e3f8dc890a6770dfd335ea87c3 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 18:40
Reported
2024-04-07 18:43
Platform
win10v2004-20240226-en
Max time kernel
92s
Max time network
125s
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\e59a0f3ca70a1893b785c0e823ca6721_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\e59a0f3ca70a1893b785c0e823ca6721_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\e59a0f3ca70a1893b785c0e823ca6721_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e59a0f3ca70a1893b785c0e823ca6721_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e59a0f3ca70a1893b785c0e823ca6721_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e59a0f3ca70a1893b785c0e823ca6721_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 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.kvic.jp | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.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 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.56.20.217.in-addr.arpa | udp |
Files
\??\c:\windows\temp\flash.log
| MD5 | 8a89c8626aefa33c2c33b4ce752f01a1 |
| SHA1 | ae2aa31e9a69c8a8d7d4304c4fa73375bdd18d66 |
| SHA256 | 65831f178329848e84e6685c326f7a30ad1f6e00d62c77b83822ef7731b0c3d6 |
| SHA512 | 9c9f915ebedb1c9f2c7ce2a9f1d642d8b24ac1b091766220fbe5061454f9f04e54ca5f92acd0f7d134a7e453871e0d971a3ce9880b3991ddc03d905841e13e17 |