Analysis Overview
SHA256
1121bb6a0c81e9e93b9766edbaba91dc00f7b4d6e3f8a8b249447d80ff573762
Threat Level: Known bad
The file 54e6ad627941b2b84ce6dc809666526d_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
XtremeRAT
Detect XtremeRAT payload
Boot or Logon Autostart Execution: Active Setup
UPX packed file
Adds Run key to start application
Writes to the Master Boot Record (MBR)
Drops file in System32 directory
Suspicious use of SetThreadContext
Enumerates physical storage devices
Program crash
Unsigned PE
Suspicious use of SetWindowsHookEx
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-17 21:40
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-17 21:40
Reported
2024-07-17 21:43
Platform
win7-20240705-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Detect XtremeRAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
XtremeRAT
Boot or Logon Autostart Execution: Active Setup
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{8U8JB7JF-MFJ6-H250-U4S6-374YVHMC3K32} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{8U8JB7JF-MFJ6-H250-U4S6-374YVHMC3K32}\StubPath = "C:\\Windows\\system32\\MaL3K\\MaL3K.exe restart" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{8U8JB7JF-MFJ6-H250-U4S6-374YVHMC3K32} | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{8U8JB7JF-MFJ6-H250-U4S6-374YVHMC3K32}\StubPath = "C:\\Windows\\system32\\MaL3K\\MaL3K.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\MaL3K\\MaL3K.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\MaL3K\\MaL3K.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "㩃坜湩潤獷卜獹佗㙗尴癳档獯\u2e74硥e엸က엸က㽠" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\MaL3K\\MaL3K.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\MaL3K\\MaL3K.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\MaL3K\MaL3K.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
| File created | C:\Windows\SysWOW64\MaL3K\MaL3K.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\MaL3K\ | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1720 set thread context of 1620 | N/A | C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.key | C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ | C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" | C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | mal3k.no-ip.org | udp |
Files
memory/1720-0-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1720-5-0x0000000000330000-0x0000000000331000-memory.dmp
memory/1720-6-0x0000000000310000-0x0000000000311000-memory.dmp
memory/1720-4-0x0000000000330000-0x0000000000331000-memory.dmp
memory/1720-3-0x0000000000330000-0x0000000000331000-memory.dmp
memory/1720-2-0x0000000000330000-0x0000000000331000-memory.dmp
memory/1720-1-0x0000000000320000-0x0000000000321000-memory.dmp
memory/1620-9-0x0000000010000000-0x0000000010048000-memory.dmp
memory/1620-12-0x0000000010000000-0x0000000010048000-memory.dmp
memory/1720-15-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1620-13-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1620-11-0x0000000010000000-0x0000000010048000-memory.dmp
memory/1720-10-0x00000000027D0000-0x0000000002854000-memory.dmp
memory/2336-18-0x0000000010000000-0x0000000010048000-memory.dmp
memory/2336-17-0x0000000010000000-0x0000000010048000-memory.dmp
memory/1628-21-0x0000000010000000-0x0000000010048000-memory.dmp
memory/1628-24-0x0000000010000000-0x0000000010048000-memory.dmp
C:\Windows\SysWOW64\MaL3K\MaL3K.exe
| MD5 | 54e6ad627941b2b84ce6dc809666526d |
| SHA1 | 0090a434a6a26582741702e561b39660c3277f39 |
| SHA256 | 1121bb6a0c81e9e93b9766edbaba91dc00f7b4d6e3f8a8b249447d80ff573762 |
| SHA512 | f264d40afd8a0029c601643c740906a5e05e3d525a569f6c9bed8380b7fd42d0dc8e0c29049b0f6102ee2f14ddc7f9c16436c1a6d9ca84c086e25b6fdcfd20fa |
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-17 21:40
Reported
2024-07-17 21:43
Platform
win10v2004-20240709-en
Max time kernel
139s
Max time network
125s
Command Line
Signatures
Detect XtremeRAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
XtremeRAT
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1524 set thread context of 400 | N/A | C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.key | C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ | C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" | C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\54e6ad627941b2b84ce6dc809666526d_JaffaCakes118.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\svchost.exe
svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4832 -ip 4832
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1944 -ip 1944
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 476
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4832 -s 480
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1944 -ip 1944
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4832 -ip 4832
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 484
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4832 -s 488
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
Files
memory/1524-0-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1524-2-0x0000000002B50000-0x0000000002B51000-memory.dmp
memory/1524-1-0x0000000002B30000-0x0000000002B31000-memory.dmp
memory/1524-5-0x0000000002B50000-0x0000000002B51000-memory.dmp
memory/1524-11-0x0000000002B50000-0x0000000002B51000-memory.dmp
memory/1524-23-0x0000000002B20000-0x0000000002B21000-memory.dmp
memory/1524-22-0x0000000002B30000-0x0000000002B31000-memory.dmp
memory/1524-21-0x0000000002B30000-0x0000000002B31000-memory.dmp
memory/1524-6-0x0000000002B50000-0x0000000002B51000-memory.dmp
memory/1524-20-0x0000000002B30000-0x0000000002B31000-memory.dmp
memory/1524-19-0x0000000002B30000-0x0000000002B31000-memory.dmp
memory/1524-18-0x0000000002B30000-0x0000000002B31000-memory.dmp
memory/1524-17-0x0000000002B30000-0x0000000002B31000-memory.dmp
memory/1524-16-0x0000000002B30000-0x0000000002B31000-memory.dmp
memory/1524-15-0x0000000002B30000-0x0000000002B31000-memory.dmp
memory/1524-14-0x0000000002B50000-0x0000000002B51000-memory.dmp
memory/1524-13-0x0000000002B50000-0x0000000002B51000-memory.dmp
memory/1524-12-0x0000000002B50000-0x0000000002B51000-memory.dmp
memory/1524-10-0x0000000002B50000-0x0000000002B51000-memory.dmp
memory/1524-9-0x0000000002B50000-0x0000000002B51000-memory.dmp
memory/1524-8-0x0000000002B50000-0x0000000002B51000-memory.dmp
memory/1524-7-0x0000000002B50000-0x0000000002B51000-memory.dmp
memory/1524-4-0x0000000002B50000-0x0000000002B51000-memory.dmp
memory/1524-3-0x0000000002B50000-0x0000000002B51000-memory.dmp
memory/400-26-0x0000000010000000-0x0000000010048000-memory.dmp
memory/400-28-0x0000000010000000-0x0000000010048000-memory.dmp
memory/1524-29-0x0000000000400000-0x0000000000484000-memory.dmp
memory/400-30-0x0000000010000000-0x0000000010048000-memory.dmp
memory/4832-31-0x0000000010000000-0x0000000010048000-memory.dmp
memory/1944-32-0x0000000010000000-0x0000000010048000-memory.dmp
memory/4832-34-0x0000000010000000-0x0000000010048000-memory.dmp