Analysis Overview
SHA256
59957e041167865b2bd399f65f382246b60837905dca819cb736b50f66f59c7e
Threat Level: Known bad
The file 6d2dd997fba6f32224da79bffe045408 was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Njrat family
Loads dropped DLL
Checks computer location settings
Drops startup file
Executes dropped EXE
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-21 11:22
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-21 11:22
Reported
2024-01-21 11:25
Platform
win7-20231215-en
Max time kernel
149s
Max time network
124s
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\WindowsServices.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\WindowsServices.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\WindowsServices.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\6d2dd997fba6f32224da79bffe045408.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WindowsServices.exe\" .." | C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WindowsServices.exe\" .." | C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| 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\6d2dd997fba6f32224da79bffe045408.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6d2dd997fba6f32224da79bffe045408.exe
"C:\Users\Admin\AppData\Local\Temp\6d2dd997fba6f32224da79bffe045408.exe"
C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe
"C:\Users\Admin\AppData\Local\Temp\WindowsServices.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 {E525224F-EDFE-488F-B66E-BD69B7038C2C} S-1-5-21-1268429524-3929314613-1992311491-1000:XBTLDBHN\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 |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp |
Files
memory/2224-0-0x0000000000130000-0x0000000000142000-memory.dmp
memory/2224-1-0x00000000744D0000-0x0000000074BBE000-memory.dmp
memory/2224-2-0x0000000002120000-0x0000000002160000-memory.dmp
\Users\Admin\AppData\Local\Temp\WindowsServices.exe
| MD5 | 6d2dd997fba6f32224da79bffe045408 |
| SHA1 | bb1e4b50edac6717d8c750a40532eb31a2560a41 |
| SHA256 | 59957e041167865b2bd399f65f382246b60837905dca819cb736b50f66f59c7e |
| SHA512 | b4e9925b668fab559fd436350855f8fa6ca613e2a2271312f70b0790c71233a09542d54afd3aa504e65ee908a64ccd4b4dcd74047b04a09ee66f11561358169b |
memory/2224-11-0x00000000744D0000-0x0000000074BBE000-memory.dmp
memory/1180-12-0x0000000000C40000-0x0000000000C52000-memory.dmp
memory/1180-10-0x00000000744D0000-0x0000000074BBE000-memory.dmp
memory/1180-13-0x0000000004D00000-0x0000000004D40000-memory.dmp
memory/1180-16-0x00000000744D0000-0x0000000074BBE000-memory.dmp
memory/1812-19-0x00000000744D0000-0x0000000074BBE000-memory.dmp
memory/1812-20-0x0000000000B30000-0x0000000000B42000-memory.dmp
memory/1812-21-0x0000000004A40000-0x0000000004A80000-memory.dmp
memory/1812-22-0x00000000744D0000-0x0000000074BBE000-memory.dmp
memory/2500-24-0x00000000744D0000-0x0000000074BBE000-memory.dmp
memory/2500-25-0x0000000000C90000-0x0000000000CA2000-memory.dmp
memory/2500-26-0x0000000000620000-0x0000000000660000-memory.dmp
memory/2500-27-0x00000000744D0000-0x0000000074BBE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-21 11:22
Reported
2024-01-21 11:25
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
njRAT/Bladabindi
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\6d2dd997fba6f32224da79bffe045408.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\WindowsServices.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 |
| 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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WindowsServices.exe\" .." | C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WindowsServices.exe\" .." | C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| 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\6d2dd997fba6f32224da79bffe045408.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4512 wrote to memory of 3876 | N/A | C:\Users\Admin\AppData\Local\Temp\6d2dd997fba6f32224da79bffe045408.exe | C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe |
| PID 4512 wrote to memory of 3876 | N/A | C:\Users\Admin\AppData\Local\Temp\6d2dd997fba6f32224da79bffe045408.exe | C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe |
| PID 4512 wrote to memory of 3876 | N/A | C:\Users\Admin\AppData\Local\Temp\6d2dd997fba6f32224da79bffe045408.exe | C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe |
| PID 3876 wrote to memory of 872 | N/A | C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 3876 wrote to memory of 872 | N/A | C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 3876 wrote to memory of 872 | N/A | C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe | C:\Windows\SysWOW64\schtasks.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\6d2dd997fba6f32224da79bffe045408.exe
"C:\Users\Admin\AppData\Local\Temp\6d2dd997fba6f32224da79bffe045408.exe"
C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe
"C:\Users\Admin\AppData\Local\Temp\WindowsServices.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
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 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:5552 | tcp | |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp |
Files
memory/4512-1-0x0000000000530000-0x0000000000542000-memory.dmp
memory/4512-0-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/4512-2-0x0000000004F40000-0x0000000004FDC000-memory.dmp
memory/4512-3-0x0000000004ED0000-0x0000000004EE0000-memory.dmp
memory/4512-4-0x00000000057B0000-0x0000000005D54000-memory.dmp
memory/4512-5-0x0000000005300000-0x0000000005392000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe
| MD5 | 6d2dd997fba6f32224da79bffe045408 |
| SHA1 | bb1e4b50edac6717d8c750a40532eb31a2560a41 |
| SHA256 | 59957e041167865b2bd399f65f382246b60837905dca819cb736b50f66f59c7e |
| SHA512 | b4e9925b668fab559fd436350855f8fa6ca613e2a2271312f70b0790c71233a09542d54afd3aa504e65ee908a64ccd4b4dcd74047b04a09ee66f11561358169b |
memory/3876-16-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/4512-15-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/2324-22-0x0000000005450000-0x0000000005460000-memory.dmp
memory/2324-21-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/2324-24-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/3876-25-0x0000000005840000-0x000000000584A000-memory.dmp
memory/3876-26-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/3876-27-0x0000000005850000-0x0000000005860000-memory.dmp
memory/2788-29-0x00000000745F0000-0x0000000074DA0000-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/2788-31-0x0000000004AD0000-0x0000000004AE0000-memory.dmp
memory/2788-32-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/4692-34-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/4692-35-0x00000000745F0000-0x0000000074DA0000-memory.dmp