Analysis Overview
SHA256
d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726
Threat Level: Known bad
The file d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726 was found to be: Known bad.
Malicious Activity Summary
Njrat family
njRAT/Bladabindi
Checks computer location settings
Executes dropped EXE
Drops startup file
Loads dropped DLL
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Scheduled Task/Job: Scheduled Task
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-30 03:23
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 03:23
Reported
2024-08-30 03:25
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
148s
Command Line
Signatures
njRAT/Bladabindi
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe | N/A |
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\Dllhost.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\Dllhost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
| 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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .." | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .." | C:\Users\Admin\AppData\Local\Temp\Dllhost.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\Server.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Dllhost.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\d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4152 wrote to memory of 2476 | N/A | C:\Users\Admin\AppData\Local\Temp\d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe |
| PID 4152 wrote to memory of 2476 | N/A | C:\Users\Admin\AppData\Local\Temp\d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe |
| PID 4152 wrote to memory of 2476 | N/A | C:\Users\Admin\AppData\Local\Temp\d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe |
| PID 2476 wrote to memory of 5040 | N/A | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 2476 wrote to memory of 5040 | N/A | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 2476 wrote to memory of 5040 | N/A | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | C:\Windows\SysWOW64\schtasks.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe
"C:\Users\Admin\AppData\Local\Temp\d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe"
C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
"C:\Users\Admin\AppData\Local\Temp\Dllhost.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 | 196.249.167.52.in-addr.arpa | udp |
| 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 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | necessary-screensaver.gl.at.ply.gg | udp |
| US | 147.185.221.22:15573 | necessary-screensaver.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| US | 147.185.221.22:15573 | necessary-screensaver.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 147.185.221.22:15573 | necessary-screensaver.gl.at.ply.gg | tcp |
| US | 147.185.221.22:15573 | necessary-screensaver.gl.at.ply.gg | tcp |
| 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 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 147.185.221.22:15573 | necessary-screensaver.gl.at.ply.gg | tcp |
| US | 147.185.221.22:15573 | necessary-screensaver.gl.at.ply.gg | tcp |
Files
memory/4152-0-0x000000007457E000-0x000000007457F000-memory.dmp
memory/4152-1-0x0000000000C10000-0x0000000000C22000-memory.dmp
memory/4152-2-0x0000000005610000-0x00000000056AC000-memory.dmp
memory/4152-3-0x0000000005FD0000-0x0000000006574000-memory.dmp
memory/4152-4-0x0000000074570000-0x0000000074D20000-memory.dmp
memory/4152-5-0x0000000005A20000-0x0000000005AB2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
| MD5 | 75d9bf5300924e732a64823a426a1c2d |
| SHA1 | c8225b5c245ab22f8ab0e879d49e14427e82084e |
| SHA256 | d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726 |
| SHA512 | 373b4295f461932ab441a700272ccf2cbe6f2fa805b508a9ea3256a5481a402b8bdd6917f7c1b86d5b32b46ed80f32d818796f653f53e951050568fbfe5ccb3f |
memory/2476-16-0x0000000074570000-0x0000000074D20000-memory.dmp
memory/4152-15-0x0000000074570000-0x0000000074D20000-memory.dmp
memory/2476-17-0x0000000074570000-0x0000000074D20000-memory.dmp
memory/2476-20-0x0000000074570000-0x0000000074D20000-memory.dmp
memory/2476-21-0x0000000074570000-0x0000000074D20000-memory.dmp
memory/2476-22-0x0000000005330000-0x000000000533A000-memory.dmp
memory/2556-25-0x0000000074570000-0x0000000074D20000-memory.dmp
memory/2556-26-0x0000000074570000-0x0000000074D20000-memory.dmp
memory/2556-28-0x0000000074570000-0x0000000074D20000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Server.exe.log
| MD5 | 25d1b50e7c0d451f3d850eb54d27ca05 |
| SHA1 | a238807715c70a335f54e80d4855644b21a9e870 |
| SHA256 | 650faa13e983c9046c9030f63a5fa1c33900432ec7cb3762e015da2e7c5b34a5 |
| SHA512 | 4223a26b2fabefdf1c01443ccc7bd887464d27f02694379895a040c66db472d541218d501f1c01e1bd31012d079a31baf24e20882c32cf652a09a74e3bf385f5 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-30 03:23
Reported
2024-08-30 03:25
Platform
win7-20240708-en
Max time kernel
149s
Max time network
150s
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\Dllhost.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\Dllhost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
| 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 |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.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\\Dllhost.exe\" .." | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .." | C:\Users\Admin\AppData\Local\Temp\Dllhost.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\d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Dllhost.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\d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe
"C:\Users\Admin\AppData\Local\Temp\d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe"
C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
"C:\Users\Admin\AppData\Local\Temp\Dllhost.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 {902A1FCD-6FE7-44CB-BF9B-7836360329EE} 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 |
| US | 8.8.8.8:53 | necessary-screensaver.gl.at.ply.gg | udp |
| US | 147.185.221.22:15573 | necessary-screensaver.gl.at.ply.gg | tcp |
| US | 147.185.221.22:15573 | necessary-screensaver.gl.at.ply.gg | tcp |
| US | 147.185.221.22:15573 | necessary-screensaver.gl.at.ply.gg | tcp |
| US | 147.185.221.22:15573 | necessary-screensaver.gl.at.ply.gg | tcp |
| US | 147.185.221.22:15573 | necessary-screensaver.gl.at.ply.gg | tcp |
| US | 147.185.221.22:15573 | necessary-screensaver.gl.at.ply.gg | tcp |
Files
memory/2640-0-0x000000007469E000-0x000000007469F000-memory.dmp
memory/2640-1-0x0000000000F30000-0x0000000000F42000-memory.dmp
memory/2640-2-0x0000000074690000-0x0000000074D7E000-memory.dmp
\Users\Admin\AppData\Local\Temp\Dllhost.exe
| MD5 | 75d9bf5300924e732a64823a426a1c2d |
| SHA1 | c8225b5c245ab22f8ab0e879d49e14427e82084e |
| SHA256 | d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726 |
| SHA512 | 373b4295f461932ab441a700272ccf2cbe6f2fa805b508a9ea3256a5481a402b8bdd6917f7c1b86d5b32b46ed80f32d818796f653f53e951050568fbfe5ccb3f |
memory/2640-10-0x0000000074690000-0x0000000074D7E000-memory.dmp
memory/2816-12-0x00000000000C0000-0x00000000000D2000-memory.dmp
memory/2816-11-0x0000000074690000-0x0000000074D7E000-memory.dmp
memory/2816-13-0x0000000074690000-0x0000000074D7E000-memory.dmp
memory/2816-16-0x0000000074690000-0x0000000074D7E000-memory.dmp
memory/2816-17-0x0000000074690000-0x0000000074D7E000-memory.dmp
memory/2920-20-0x0000000001350000-0x0000000001362000-memory.dmp
memory/2040-22-0x0000000000290000-0x00000000002A2000-memory.dmp