Analysis Overview
SHA256
0ef3fd3501ca902c22f2643bf862e9ff2ce1673cfb4a4bc68d52785186bd1c84
Threat Level: Known bad
The file 1680-55-0x00000000002C0000-0x00000000002D2000-memory.dmp was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Njrat family
Drops startup file
Executes dropped EXE
Legitimate hosting services abused for malware hosting/C2
Adds Run key to start application
Unsigned PE
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-06 12:32
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-06 12:32
Reported
2024-03-06 12:34
Platform
win7-20240221-en
Max time kernel
149s
Max time network
142s
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\1680-55-0x00000000002C0000-0x00000000002D2000-memory.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\1680-55-0x00000000002C0000-0x00000000002D2000-memory.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-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1680-55-0x00000000002C0000-0x00000000002D2000-memory.exe\" .." | C:\Users\Admin\AppData\Local\Temp\1680-55-0x00000000002C0000-0x00000000002D2000-memory.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1680-55-0x00000000002C0000-0x00000000002D2000-memory.exe\" .." | C:\Users\Admin\AppData\Local\Temp\1680-55-0x00000000002C0000-0x00000000002D2000-memory.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
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\1680-55-0x00000000002C0000-0x00000000002D2000-memory.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1680-55-0x00000000002C0000-0x00000000002D2000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1680-55-0x00000000002C0000-0x00000000002D2000-memory.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 {9C1801AB-CF48-474F-A57A-F9A78A59187B} S-1-5-21-1650401615-1019878084-3673944445-1000:UADPPTXT\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 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.67.161.133:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:13736 | 5.tcp.eu.ngrok.io | tcp |
Files
memory/2344-0-0x00000000002A0000-0x00000000002B2000-memory.dmp
memory/2344-1-0x0000000074990000-0x000000007507E000-memory.dmp
memory/2344-2-0x0000000004D10000-0x0000000004D50000-memory.dmp
memory/2344-3-0x0000000004D10000-0x0000000004D50000-memory.dmp
memory/2344-6-0x0000000074990000-0x000000007507E000-memory.dmp
memory/2344-7-0x0000000004D10000-0x0000000004D50000-memory.dmp
memory/2344-8-0x0000000004D10000-0x0000000004D50000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Server.exe
| MD5 | 92618bc3cdf49fad62051d7eae312801 |
| SHA1 | c6a1dcc486309f3116f710f3cf840b2266a3eb23 |
| SHA256 | 0ef3fd3501ca902c22f2643bf862e9ff2ce1673cfb4a4bc68d52785186bd1c84 |
| SHA512 | c9c953dab1d0cf21fcf4a374fb4c5528d83f15e425bed2fb44f3e06c4b38be87f1170828855b5bac6b6450769317452d793891c91cbf11797a59cfdea5fbfeff |
memory/2216-11-0x0000000074990000-0x000000007507E000-memory.dmp
memory/2216-12-0x0000000000E70000-0x0000000000E82000-memory.dmp
memory/2216-13-0x0000000004CC0000-0x0000000004D00000-memory.dmp
memory/2216-14-0x0000000074990000-0x000000007507E000-memory.dmp
memory/2876-16-0x0000000074990000-0x000000007507E000-memory.dmp
memory/2876-17-0x0000000004CE0000-0x0000000004D20000-memory.dmp
memory/2876-18-0x0000000074990000-0x000000007507E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-06 12:32
Reported
2024-03-06 12:34
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
154s
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\1680-55-0x00000000002C0000-0x00000000002D2000-memory.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\1680-55-0x00000000002C0000-0x00000000002D2000-memory.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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1680-55-0x00000000002C0000-0x00000000002D2000-memory.exe\" .." | C:\Users\Admin\AppData\Local\Temp\1680-55-0x00000000002C0000-0x00000000002D2000-memory.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1680-55-0x00000000002C0000-0x00000000002D2000-memory.exe\" .." | C:\Users\Admin\AppData\Local\Temp\1680-55-0x00000000002C0000-0x00000000002D2000-memory.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
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\1680-55-0x00000000002C0000-0x00000000002D2000-memory.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4156 wrote to memory of 5016 | N/A | C:\Users\Admin\AppData\Local\Temp\1680-55-0x00000000002C0000-0x00000000002D2000-memory.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 4156 wrote to memory of 5016 | N/A | C:\Users\Admin\AppData\Local\Temp\1680-55-0x00000000002C0000-0x00000000002D2000-memory.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 4156 wrote to memory of 5016 | N/A | C:\Users\Admin\AppData\Local\Temp\1680-55-0x00000000002C0000-0x00000000002D2000-memory.exe | C:\Windows\SysWOW64\schtasks.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1680-55-0x00000000002C0000-0x00000000002D2000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1680-55-0x00000000002C0000-0x00000000002D2000-memory.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 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.67.62.142:13736 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | 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 |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:13736 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.67.62.142:13736 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 169.253.116.51.in-addr.arpa | udp |
Files
memory/4156-0-0x0000000000DB0000-0x0000000000DC2000-memory.dmp
memory/4156-1-0x0000000074830000-0x0000000074FE0000-memory.dmp
memory/4156-2-0x0000000005750000-0x00000000057EC000-memory.dmp
memory/4156-3-0x00000000059B0000-0x00000000059C0000-memory.dmp
memory/4156-4-0x0000000006070000-0x0000000006614000-memory.dmp
memory/4156-5-0x0000000005B80000-0x0000000005C12000-memory.dmp
memory/4156-8-0x0000000005B70000-0x0000000005B7A000-memory.dmp
memory/4156-9-0x0000000074830000-0x0000000074FE0000-memory.dmp
memory/4156-10-0x00000000059B0000-0x00000000059C0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Server.exe
| MD5 | 92618bc3cdf49fad62051d7eae312801 |
| SHA1 | c6a1dcc486309f3116f710f3cf840b2266a3eb23 |
| SHA256 | 0ef3fd3501ca902c22f2643bf862e9ff2ce1673cfb4a4bc68d52785186bd1c84 |
| SHA512 | c9c953dab1d0cf21fcf4a374fb4c5528d83f15e425bed2fb44f3e06c4b38be87f1170828855b5bac6b6450769317452d793891c91cbf11797a59cfdea5fbfeff |
memory/1876-13-0x0000000074830000-0x0000000074FE0000-memory.dmp
memory/1876-14-0x0000000005200000-0x0000000005210000-memory.dmp
memory/1876-16-0x0000000074830000-0x0000000074FE0000-memory.dmp
memory/2732-18-0x0000000074830000-0x0000000074FE0000-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/2732-20-0x0000000074830000-0x0000000074FE0000-memory.dmp