Analysis Overview
SHA256
027a02db5122cbb563ad5a46d3119076de647813a8fdc78fd1391c5c1b1342b9
Threat Level: Known bad
The file ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Gozi family
Gozi
Blocklisted process makes network request
Loads dropped DLL
Enumerates connected drives
Adds Run key to start application
Drops file in System32 directory
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-30 00:00
Signatures
Gozi family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-30 00:00
Reported
2024-09-30 00:02
Platform
win7-20240903-en
Max time kernel
149s
Max time network
118s
Command Line
Signatures
Gozi
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\system32\\system.exe" | C:\Windows\SysWOW64\Rundll32.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\D: | C:\Windows\SysWOW64\Rundll32.exe | N/A |
| File opened (read-only) | \??\F: | C:\Windows\SysWOW64\Rundll32.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\kfhacctb.dll | C:\Users\Admin\AppData\Local\Temp\ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\uvghdctb.dll | C:\Users\Admin\AppData\Local\Temp\ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\Rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\Rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118.exe"
C:\Windows\SysWOW64\Rundll32.exe
Rundll32 C:\Windows\system32\kfhacctb.dll Exbcute
C:\Windows\SysWOW64\Rundll32.exe
Rundll32 C:\Windows\system32\uvghdctb.dll Exbcute
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | tre05.u2h6n.com | udp |
| FI | 193.166.255.171:8080 | tre05.u2h6n.com | tcp |
Files
\Windows\SysWOW64\kfhacctb.dll
| MD5 | e1cbc5a93e20dc8db5c86a469d09937f |
| SHA1 | ce6c5581b4e367629607e3f61d5dd53438918c19 |
| SHA256 | 5414f6ab220948f65ab1c36e8d446a0fd5886ae96abb8851351c76761f6bcb64 |
| SHA512 | 2302b7f3e68de67c20e31a4b19b56d79ae12ebae30e3542bceca240edf000b0dd83c462374813dcc4f6c13f0c0c24c523e8036eb5ccf479b6e4d352f32a69852 |
\Windows\SysWOW64\uvghdctb.dll
| MD5 | 5aacd71df1c12d33d967e7e518784404 |
| SHA1 | 8a58f8fbd2bbae1f47c8aeff9e28a5183012d30c |
| SHA256 | e197b5fc983c52b92c16eba5cee411feb7c0b2e69b2a505d8fff4e0d5e4fdcf3 |
| SHA512 | d432feff5099b17d5c39975b9a3fca2335e318159e7a80d0cafa1ed3cdfe0869a8cbf66ea0d7770bbff976af1dc7c7483b0407fa7b34aaa751cd04e1e3537040 |
\Users\Admin\AppData\Local\Temp\3A23.tmp
| MD5 | b5eb5bd3066959611e1f7a80fd6cc172 |
| SHA1 | 6fb1532059212c840737b3f923a9c0b152c0887a |
| SHA256 | 1ffb68a66f28f604adcae9c135f8dcf301316ab7fda8ebd294583c56dd26f7cc |
| SHA512 | 6c0743e0ff4922e859ba66b68040ab994dbae33e80c63ce8c993ad31a0c7aad6c6467484da1550063214953cd641dbf597438dd0c02f24164505d88ca80ea1b6 |
memory/2392-15-0x00000000003C0000-0x00000000003E7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-30 00:00
Reported
2024-09-30 00:02
Platform
win10v2004-20240802-en
Max time kernel
150s
Max time network
149s
Command Line
Signatures
Gozi
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\system32\\system.exe" | C:\Windows\SysWOW64\Rundll32.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\D: | C:\Windows\SysWOW64\Rundll32.exe | N/A |
| File opened (read-only) | \??\F: | C:\Windows\SysWOW64\Rundll32.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\mppimgaa.dll | C:\Users\Admin\AppData\Local\Temp\ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\ldopngaa.dll | C:\Users\Admin\AppData\Local\Temp\ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\Rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\Rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1532 wrote to memory of 3744 | N/A | C:\Users\Admin\AppData\Local\Temp\ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118.exe | C:\Windows\SysWOW64\Rundll32.exe |
| PID 1532 wrote to memory of 3744 | N/A | C:\Users\Admin\AppData\Local\Temp\ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118.exe | C:\Windows\SysWOW64\Rundll32.exe |
| PID 1532 wrote to memory of 3744 | N/A | C:\Users\Admin\AppData\Local\Temp\ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118.exe | C:\Windows\SysWOW64\Rundll32.exe |
| PID 1532 wrote to memory of 3868 | N/A | C:\Users\Admin\AppData\Local\Temp\ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118.exe | C:\Windows\SysWOW64\Rundll32.exe |
| PID 1532 wrote to memory of 3868 | N/A | C:\Users\Admin\AppData\Local\Temp\ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118.exe | C:\Windows\SysWOW64\Rundll32.exe |
| PID 1532 wrote to memory of 3868 | N/A | C:\Users\Admin\AppData\Local\Temp\ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118.exe | C:\Windows\SysWOW64\Rundll32.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff89d46c9ca5288f68e5a3561edd132e_JaffaCakes118.exe"
C:\Windows\SysWOW64\Rundll32.exe
Rundll32 C:\Windows\system32\mppimgaa.dll Exbcute
C:\Windows\SysWOW64\Rundll32.exe
Rundll32 C:\Windows\system32\ldopngaa.dll Exbcute
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tre05.u2h6n.com | udp |
| FI | 193.166.255.171:8080 | tre05.u2h6n.com | tcp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
C:\Windows\SysWOW64\mppimgaa.dll
| MD5 | e1cbc5a93e20dc8db5c86a469d09937f |
| SHA1 | ce6c5581b4e367629607e3f61d5dd53438918c19 |
| SHA256 | 5414f6ab220948f65ab1c36e8d446a0fd5886ae96abb8851351c76761f6bcb64 |
| SHA512 | 2302b7f3e68de67c20e31a4b19b56d79ae12ebae30e3542bceca240edf000b0dd83c462374813dcc4f6c13f0c0c24c523e8036eb5ccf479b6e4d352f32a69852 |
C:\Windows\SysWOW64\ldopngaa.dll
| MD5 | 5aacd71df1c12d33d967e7e518784404 |
| SHA1 | 8a58f8fbd2bbae1f47c8aeff9e28a5183012d30c |
| SHA256 | e197b5fc983c52b92c16eba5cee411feb7c0b2e69b2a505d8fff4e0d5e4fdcf3 |
| SHA512 | d432feff5099b17d5c39975b9a3fca2335e318159e7a80d0cafa1ed3cdfe0869a8cbf66ea0d7770bbff976af1dc7c7483b0407fa7b34aaa751cd04e1e3537040 |
C:\Users\Admin\AppData\Local\Temp\81E2.tmp
| MD5 | 6c7cdd25c2cb0073306eb22aebfc663f |
| SHA1 | a1eba8ab49272b9852fe6a543677e8af36271248 |
| SHA256 | 58280e3572333f97a7cf9f33e8d31dc26a98b6535965ebd0bde82249fc9bf705 |
| SHA512 | 17344e07b9e9b2cd6ae4237d7f310732462f9cbb8656883607d7a1a4090e869265f92a6da1718dee50b1375b91583de60c6bd9e7e8db6b6e45e33f4b894365d6 |
memory/1532-10-0x0000000000BA0000-0x0000000000BC7000-memory.dmp