Analysis Overview
SHA256
26a006720aac70749a0c2f1cce2b2464800c6213c947b4d6fd1cdc967617b43a
Threat Level: Known bad
The file 77c54c4cd49f985ece2f8d54139915ba was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Modifies Windows Firewall
Loads dropped DLL
UPX packed file
Executes dropped EXE
Drops startup file
Checks computer location settings
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-26 15:53
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-26 15:53
Reported
2024-01-26 15:56
Platform
win10v2004-20231215-en
Max time kernel
92s
Max time network
123s
Command Line
Signatures
njRAT/Bladabindi
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\test.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\test.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Explorer.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\77c54c4cd49f985ece2f8d54139915ba.exe
"C:\Users\Admin\AppData\Local\Temp\77c54c4cd49f985ece2f8d54139915ba.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c test.exe
C:\Users\Admin\AppData\Local\Temp\test.exe
test.exe
C:\Users\Admin\AppData\Local\Temp\Explorer.exe
"C:\Users\Admin\AppData\Local\Temp\Explorer.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 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| 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 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
Files
memory/4580-0-0x0000000000400000-0x0000000000498000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\test.exe
| MD5 | fc42513e45503d510fb011bbb309e51e |
| SHA1 | e9741466f6e68dadb9e874f12d5b62fe14693741 |
| SHA256 | 766240fd9026a04e4a7f20240f699133eef24a969e242afdd471ad0a179cefe3 |
| SHA512 | 0f2a88f96a8a47abe062ccca986d2b3d98310374629c9067b19dbfeb73f23ba411b3ca5ae3877684770fb2d25947305b42c38a913a329e6220de6cd5d539a8ca |
memory/3568-5-0x0000000075370000-0x0000000075921000-memory.dmp
memory/3568-6-0x0000000075370000-0x0000000075921000-memory.dmp
memory/3568-7-0x0000000000E00000-0x0000000000E10000-memory.dmp
memory/3744-18-0x0000000075370000-0x0000000075921000-memory.dmp
memory/3744-19-0x0000000001330000-0x0000000001340000-memory.dmp
memory/3744-20-0x0000000075370000-0x0000000075921000-memory.dmp
memory/3744-21-0x0000000075370000-0x0000000075921000-memory.dmp
memory/3568-22-0x0000000075370000-0x0000000075921000-memory.dmp
memory/4580-23-0x0000000000400000-0x0000000000498000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-26 15:53
Reported
2024-01-26 15:56
Platform
win7-20231215-en
Max time kernel
149s
Max time network
146s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ed6e2bf930f6d35b3ac57c049d10ac2c.exe | C:\Users\Admin\AppData\Local\Temp\Explorer.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ed6e2bf930f6d35b3ac57c049d10ac2c.exe | C:\Users\Admin\AppData\Local\Temp\Explorer.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\test.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Explorer.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\test.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\ed6e2bf930f6d35b3ac57c049d10ac2c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Explorer.exe\" .." | C:\Users\Admin\AppData\Local\Temp\Explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ed6e2bf930f6d35b3ac57c049d10ac2c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Explorer.exe\" .." | C:\Users\Admin\AppData\Local\Temp\Explorer.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Explorer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\77c54c4cd49f985ece2f8d54139915ba.exe
"C:\Users\Admin\AppData\Local\Temp\77c54c4cd49f985ece2f8d54139915ba.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c test.exe
C:\Users\Admin\AppData\Local\Temp\test.exe
test.exe
C:\Users\Admin\AppData\Local\Temp\Explorer.exe
"C:\Users\Admin\AppData\Local\Temp\Explorer.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Explorer.exe" "Explorer.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | abdo95.ddns.net | udp |
Files
memory/2436-0-0x0000000000400000-0x0000000000498000-memory.dmp
\Users\Admin\AppData\Local\Temp\test.exe
| MD5 | fc42513e45503d510fb011bbb309e51e |
| SHA1 | e9741466f6e68dadb9e874f12d5b62fe14693741 |
| SHA256 | 766240fd9026a04e4a7f20240f699133eef24a969e242afdd471ad0a179cefe3 |
| SHA512 | 0f2a88f96a8a47abe062ccca986d2b3d98310374629c9067b19dbfeb73f23ba411b3ca5ae3877684770fb2d25947305b42c38a913a329e6220de6cd5d539a8ca |
memory/1216-5-0x0000000074620000-0x0000000074BCB000-memory.dmp
memory/1216-6-0x00000000004A0000-0x00000000004E0000-memory.dmp
memory/1216-7-0x0000000074620000-0x0000000074BCB000-memory.dmp
memory/2996-16-0x0000000074620000-0x0000000074BCB000-memory.dmp
memory/1216-15-0x0000000074620000-0x0000000074BCB000-memory.dmp
memory/2436-18-0x0000000000400000-0x0000000000498000-memory.dmp
memory/2996-17-0x0000000000B90000-0x0000000000BD0000-memory.dmp
memory/2996-20-0x0000000074620000-0x0000000074BCB000-memory.dmp