Analysis Overview
SHA256
7a6423f9aa6421bf9e8ce1bbe303254d4961d233c86c9d43f75dd906134d50da
Threat Level: Known bad
The file 83a2c9543bde47a5d607730120b87bf0_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies visiblity of hidden/system files in Explorer
UAC bypass
Disables taskbar notifications via registry modification
Adds policy Run key to start application
Deletes itself
Blocklisted process makes network request
Program crash
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-31 19:43
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-31 19:42
Reported
2024-10-31 20:00
Platform
win10v2004-20241007-en
Max time kernel
139s
Max time network
125s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\83a2c9543bde47a5d607730120b87bf0_JaffaCakes118.exe |
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\83a2c9543bde47a5d607730120b87bf0_JaffaCakes118.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\83a2c9543bde47a5d607730120b87bf0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\83a2c9543bde47a5d607730120b87bf0_JaffaCakes118.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4968 -ip 4968
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4968 -s 496
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 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.160.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
Files
memory/4968-0-0x00000000021E0000-0x00000000021E1000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-31 19:42
Reported
2024-10-31 20:03
Platform
win7-20241010-en
Max time kernel
20s
Max time network
24s
Command Line
Signatures
Modifies visiblity of hidden/system files in Explorer
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | C:\Windows\SysWOW64\msiexec.exe | N/A |
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\SysWOW64\msiexec.exe | N/A |
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\software\microsoft\windows\currentversion\Policies\Explorer\Run | C:\Windows\SysWOW64\msiexec.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\226765405 = "C:\\ProgramData\\msjvmcmng.exe" | C:\Windows\SysWOW64\msiexec.exe | N/A |
Disables taskbar notifications via registry modification
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\msiexec.exe | N/A |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\msiexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\msiexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\msiexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\msiexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\msiexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\msiexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\msiexec.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\msiexec.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\msiexec.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\83a2c9543bde47a5d607730120b87bf0_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\83a2c9543bde47a5d607730120b87bf0_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\msiexec.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\83a2c9543bde47a5d607730120b87bf0_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\83a2c9543bde47a5d607730120b87bf0_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\83a2c9543bde47a5d607730120b87bf0_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\msiexec.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\83a2c9543bde47a5d607730120b87bf0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\83a2c9543bde47a5d607730120b87bf0_JaffaCakes118.exe"
C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\system32\msiexec.exe"
C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\system32\msiexec.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.4.4:53 | update.microsoft.com | udp |
| US | 8.8.8.8:53 | update.microsoft.com | udp |
| US | 20.109.209.108:80 | update.microsoft.com | tcp |
| RU | 109.120.180.29:80 | tcp | |
| US | 8.8.4.4:53 | faumoussuperstars.ru | udp |
| US | 8.8.8.8:53 | faumoussuperstars.ru | udp |
| US | 8.8.4.4:53 | powerrembo.ru | udp |
| US | 8.8.8.8:53 | powerrembo.ru | udp |
| US | 8.8.4.4:53 | powerrembo.ru | udp |
| US | 104.42.225.122:80 | powerrembo.ru | tcp |
Files
memory/2476-0-0x0000000000270000-0x0000000000271000-memory.dmp
memory/2476-1-0x0000000000400000-0x0000000000405000-memory.dmp
memory/2476-2-0x0000000000400000-0x0000000000459000-memory.dmp
memory/2584-3-0x0000000000F00000-0x0000000000F14000-memory.dmp
memory/2584-4-0x0000000000F00000-0x0000000000F14000-memory.dmp
memory/2584-6-0x0000000000F00000-0x0000000000F14000-memory.dmp
memory/2968-11-0x000000007EF90000-0x000000007EF96000-memory.dmp
memory/2968-15-0x000000007EF90000-0x000000007EF96000-memory.dmp
memory/2968-16-0x000000007EF90000-0x000000007EF96000-memory.dmp
memory/2968-17-0x0000000000090000-0x0000000000095000-memory.dmp