Analysis Overview
SHA256
bd7756e21e511c9722e358d10f5ba298075b31b1c76596701efd9c31a2df8ef5
Threat Level: Known bad
The file cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Njrat family
njRAT/Bladabindi
Drops startup file
Executes dropped EXE
Adds Run key to start application
System Location Discovery: System Language Discovery
Unsigned PE
Scheduled Task/Job: Scheduled Task
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-30 23:53
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-30 23:53
Reported
2024-08-30 23:55
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
njRAT/Bladabindi
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\cbe5a9ffd4128fa7c8ea555455151c7d_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\Server.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1836 wrote to memory of 4844 | N/A | C:\Users\Admin\AppData\Local\Temp\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 1836 wrote to memory of 4844 | N/A | C:\Users\Admin\AppData\Local\Temp\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 1836 wrote to memory of 4844 | N/A | C:\Users\Admin\AppData\Local\Temp\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe | C:\Windows\SysWOW64\schtasks.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe"
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.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 | 154.239.44.20.in-addr.arpa | udp |
| RU | 94.253.36.197:5552 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| RU | 94.253.36.197:5552 | tcp | |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| RU | 94.253.36.197:5552 | tcp | |
| RU | 94.253.36.197:5552 | tcp | |
| 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 | 150.171.27.10:443 | 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 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| RU | 94.253.36.197:5552 | tcp | |
| RU | 94.253.36.197:5552 | tcp |
Files
memory/1836-0-0x0000000074F2E000-0x0000000074F2F000-memory.dmp
memory/1836-1-0x0000000000060000-0x0000000000072000-memory.dmp
memory/1836-2-0x0000000004890000-0x000000000492C000-memory.dmp
memory/1836-3-0x00000000051A0000-0x0000000005744000-memory.dmp
memory/1836-5-0x0000000004CD0000-0x0000000004D62000-memory.dmp
memory/1836-4-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/1836-8-0x0000000074F2E000-0x0000000074F2F000-memory.dmp
memory/1836-9-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/1836-10-0x0000000004CC0000-0x0000000004CCA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Server.exe
| MD5 | cbe5a9ffd4128fa7c8ea555455151c7d |
| SHA1 | cd96a814c8e442b7821c0b3b0610f5d074cbf623 |
| SHA256 | bd7756e21e511c9722e358d10f5ba298075b31b1c76596701efd9c31a2df8ef5 |
| SHA512 | c712d344a38456055541fe095b12bced7fe0305e3612d96e8fa3d4b393d1a2547fcd20d2f050959fbe6a2b2b00c1658fdf7f5e94edf5b2d2204ec0f43b7029bb |
memory/4000-13-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/4000-14-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/4000-16-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/1368-18-0x0000000074F20000-0x00000000756D0000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Server.exe.log
| MD5 | 25d1b50e7c0d451f3d850eb54d27ca05 |
| SHA1 | a238807715c70a335f54e80d4855644b21a9e870 |
| SHA256 | 650faa13e983c9046c9030f63a5fa1c33900432ec7cb3762e015da2e7c5b34a5 |
| SHA512 | 4223a26b2fabefdf1c01443ccc7bd887464d27f02694379895a040c66db472d541218d501f1c01e1bd31012d079a31baf24e20882c32cf652a09a74e3bf385f5 |
memory/1368-20-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/1368-21-0x0000000074F20000-0x00000000756D0000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-30 23:53
Reported
2024-08-30 23:55
Platform
win7-20240708-en
Max time kernel
149s
Max time network
144s
Command Line
Signatures
njRAT/Bladabindi
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\cbe5a9ffd4128fa7c8ea555455151c7d_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\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cbe5a9ffd4128fa7c8ea555455151c7d_JaffaCakes118.exe"
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
C:\Windows\system32\taskeng.exe
taskeng.exe {E9FD7E3E-BC60-4F6C-A12E-ADE290086080} S-1-5-21-940600906-3464502421-4240639183-1000:MGWWAYYN\Admin:Interactive:[1]
C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
Network
| Country | Destination | Domain | Proto |
| RU | 94.253.36.197:5552 | tcp | |
| RU | 94.253.36.197:5552 | tcp | |
| RU | 94.253.36.197:5552 | tcp | |
| RU | 94.253.36.197:5552 | tcp | |
| RU | 94.253.36.197:5552 | tcp | |
| RU | 94.253.36.197:5552 | tcp |
Files
memory/2972-0-0x000000007420E000-0x000000007420F000-memory.dmp
memory/2972-1-0x0000000000080000-0x0000000000092000-memory.dmp
memory/2972-2-0x0000000074200000-0x00000000748EE000-memory.dmp
memory/2972-5-0x000000007420E000-0x000000007420F000-memory.dmp
memory/2972-6-0x0000000074200000-0x00000000748EE000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Server.exe
| MD5 | cbe5a9ffd4128fa7c8ea555455151c7d |
| SHA1 | cd96a814c8e442b7821c0b3b0610f5d074cbf623 |
| SHA256 | bd7756e21e511c9722e358d10f5ba298075b31b1c76596701efd9c31a2df8ef5 |
| SHA512 | c712d344a38456055541fe095b12bced7fe0305e3612d96e8fa3d4b393d1a2547fcd20d2f050959fbe6a2b2b00c1658fdf7f5e94edf5b2d2204ec0f43b7029bb |
memory/2456-9-0x0000000074200000-0x00000000748EE000-memory.dmp
memory/2456-10-0x0000000000930000-0x0000000000942000-memory.dmp
memory/2456-11-0x0000000074200000-0x00000000748EE000-memory.dmp
memory/2456-12-0x0000000074200000-0x00000000748EE000-memory.dmp
memory/2172-14-0x00000000003D0000-0x00000000003E2000-memory.dmp