Analysis Overview
SHA256
b5abc091aa81a6bd56d9234f3eef538e082b69544608ffae7f855307b457ec5e
Threat Level: Shows suspicious behavior
The file c07a659cd84fc38218b9884f295a814b_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Executes dropped EXE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Program crash
Unsigned PE
NSIS installer
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-25 09:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NSIS installer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-25 09:51
Reported
2024-08-25 09:54
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\nskB930.tmp\downloadmr.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
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\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\nskB930.tmp\downloadmr.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\nskB930.tmp\downloadmr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\nskB930.tmp\downloadmr.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2788 wrote to memory of 5000 | N/A | C:\Users\Admin\AppData\Local\Temp\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\nskB930.tmp\downloadmr.exe |
| PID 2788 wrote to memory of 5000 | N/A | C:\Users\Admin\AppData\Local\Temp\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\nskB930.tmp\downloadmr.exe |
| PID 2788 wrote to memory of 5000 | N/A | C:\Users\Admin\AppData\Local\Temp\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\nskB930.tmp\downloadmr.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\nskB930.tmp\downloadmr.exe
C:\Users\Admin\AppData\Local\Temp\nskB930.tmp\downloadmr.exe /u4d488269-6268-4c29-b4c2-79305bc06ebe /e498
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.downloadmr.com | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.173.189.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nskB930.tmp\System.dll
| MD5 | 5ebc73650256e9c8ddbcda231db829a1 |
| SHA1 | 988d4535e18754ab2a6248abae96c5697d7dbcd5 |
| SHA256 | 1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493 |
| SHA512 | b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270 |
C:\Users\Admin\AppData\Local\Temp\nskB930.tmp\downloadmr.exe
| MD5 | da254a8488b60244654e1cf4d6796cf8 |
| SHA1 | 23d06f4589786652a3a226b5012a5520a3d03452 |
| SHA256 | 6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d |
| SHA512 | d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e |
memory/5000-13-0x00000000740A2000-0x00000000740A3000-memory.dmp
memory/5000-14-0x00000000740A0000-0x0000000074651000-memory.dmp
memory/5000-15-0x00000000740A0000-0x0000000074651000-memory.dmp
memory/5000-16-0x00000000740A0000-0x0000000074651000-memory.dmp
memory/5000-17-0x00000000740A0000-0x0000000074651000-memory.dmp
memory/5000-18-0x00000000740A0000-0x0000000074651000-memory.dmp
memory/5000-19-0x00000000740A0000-0x0000000074651000-memory.dmp
memory/5000-20-0x00000000740A0000-0x0000000074651000-memory.dmp
memory/5000-21-0x00000000740A2000-0x00000000740A3000-memory.dmp
memory/5000-22-0x00000000740A0000-0x0000000074651000-memory.dmp
memory/5000-24-0x00000000740A0000-0x0000000074651000-memory.dmp
memory/2788-28-0x0000000000400000-0x000000000043F000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-08-25 09:51
Reported
2024-08-25 09:54
Platform
win7-20240708-en
Max time kernel
140s
Max time network
118s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 224
Network
Files
memory/2760-0-0x000000006E3C0000-0x000000006E3CD000-memory.dmp
Analysis: behavioral4
Detonation Overview
Submitted
2024-08-25 09:51
Reported
2024-08-25 09:54
Platform
win10v2004-20240802-en
Max time kernel
137s
Max time network
146s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2532 wrote to memory of 4560 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2532 wrote to memory of 4560 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2532 wrote to memory of 4560 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4560 -ip 4560
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 620
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.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 | 57.169.31.20.in-addr.arpa | udp |
Files
memory/4560-0-0x000000006E3C0000-0x000000006E3CD000-memory.dmp
Analysis: behavioral5
Detonation Overview
Submitted
2024-08-25 09:51
Reported
2024-08-25 09:54
Platform
win7-20240708-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
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\$PLUGINSDIR\downloadmr.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\downloadmr.exe
"C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\downloadmr.exe"
Network
Files
memory/1680-0-0x0000000074051000-0x0000000074052000-memory.dmp
memory/1680-1-0x0000000074050000-0x00000000745FB000-memory.dmp
memory/1680-2-0x0000000074050000-0x00000000745FB000-memory.dmp
memory/1680-3-0x0000000074050000-0x00000000745FB000-memory.dmp
Analysis: behavioral6
Detonation Overview
Submitted
2024-08-25 09:51
Reported
2024-08-25 09:54
Platform
win10v2004-20240802-en
Max time kernel
136s
Max time network
124s
Command Line
Signatures
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\$PLUGINSDIR\downloadmr.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\downloadmr.exe
"C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\downloadmr.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| IE | 52.111.236.23:443 | tcp | |
| US | 8.8.8.8:53 | 29.243.111.52.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/4100-0-0x00000000752D2000-0x00000000752D3000-memory.dmp
memory/4100-1-0x00000000752D0000-0x0000000075881000-memory.dmp
memory/4100-2-0x00000000752D0000-0x0000000075881000-memory.dmp
memory/4100-4-0x00000000752D0000-0x0000000075881000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-25 09:51
Reported
2024-08-25 09:54
Platform
win7-20240708-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\nsy8E1E.tmp\downloadmr.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
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\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\nsy8E1E.tmp\downloadmr.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\nsy8E1E.tmp\downloadmr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\nsy8E1E.tmp\downloadmr.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2120 wrote to memory of 2376 | N/A | C:\Users\Admin\AppData\Local\Temp\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\nsy8E1E.tmp\downloadmr.exe |
| PID 2120 wrote to memory of 2376 | N/A | C:\Users\Admin\AppData\Local\Temp\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\nsy8E1E.tmp\downloadmr.exe |
| PID 2120 wrote to memory of 2376 | N/A | C:\Users\Admin\AppData\Local\Temp\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\nsy8E1E.tmp\downloadmr.exe |
| PID 2120 wrote to memory of 2376 | N/A | C:\Users\Admin\AppData\Local\Temp\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\nsy8E1E.tmp\downloadmr.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c07a659cd84fc38218b9884f295a814b_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\nsy8E1E.tmp\downloadmr.exe
C:\Users\Admin\AppData\Local\Temp\nsy8E1E.tmp\downloadmr.exe /u4d488269-6268-4c29-b4c2-79305bc06ebe /e498
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | api.downloadmr.com | udp |
Files
\Users\Admin\AppData\Local\Temp\nsy8E1E.tmp\System.dll
| MD5 | 5ebc73650256e9c8ddbcda231db829a1 |
| SHA1 | 988d4535e18754ab2a6248abae96c5697d7dbcd5 |
| SHA256 | 1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493 |
| SHA512 | b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270 |
\Users\Admin\AppData\Local\Temp\nsy8E1E.tmp\downloadmr.exe
| MD5 | da254a8488b60244654e1cf4d6796cf8 |
| SHA1 | 23d06f4589786652a3a226b5012a5520a3d03452 |
| SHA256 | 6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d |
| SHA512 | d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e |
memory/2376-18-0x00000000741F1000-0x00000000741F2000-memory.dmp
memory/2376-19-0x00000000741F0000-0x000000007479B000-memory.dmp
memory/2376-20-0x00000000741F0000-0x000000007479B000-memory.dmp
memory/2376-21-0x00000000741F0000-0x000000007479B000-memory.dmp
memory/2376-22-0x00000000741F0000-0x000000007479B000-memory.dmp
memory/2376-24-0x00000000741F0000-0x000000007479B000-memory.dmp
memory/2376-23-0x00000000741F0000-0x000000007479B000-memory.dmp
memory/2376-25-0x00000000741F0000-0x000000007479B000-memory.dmp
memory/2376-26-0x00000000741F0000-0x000000007479B000-memory.dmp
memory/2120-30-0x0000000000400000-0x000000000043F000-memory.dmp