Analysis Overview
SHA256
f916e54c85cf4c634db8a36fcca8d7e260d60b7a1325ab714402c510927564b4
Threat Level: Known bad
The file a89d22ac25d150e595819c16cd309568 was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Executes dropped EXE
Drops startup file
Adds Run key to start application
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-27 07:46
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-27 07:46
Reported
2024-02-27 07:48
Platform
win7-20240221-en
Max time kernel
150s
Max time network
121s
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\a89d22ac25d150e595819c16cd309568.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\a89d22ac25d150e595819c16cd309568.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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\a89d22ac25d150e595819c16cd309568.exe\" .." | C:\Users\Admin\AppData\Local\Temp\a89d22ac25d150e595819c16cd309568.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\a89d22ac25d150e595819c16cd309568.exe\" .." | C:\Users\Admin\AppData\Local\Temp\a89d22ac25d150e595819c16cd309568.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a89d22ac25d150e595819c16cd309568.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\a89d22ac25d150e595819c16cd309568.exe
"C:\Users\Admin\AppData\Local\Temp\a89d22ac25d150e595819c16cd309568.exe"
C:\Windows\system32\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 {2671657C-159D-4679-80CE-9AB3BA49CAF0} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\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 | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp |
Files
memory/2724-0-0x00000000012C0000-0x00000000012C8000-memory.dmp
memory/2724-1-0x000007FEF5C40000-0x000007FEF662C000-memory.dmp
memory/2724-2-0x00000000003C0000-0x00000000003D2000-memory.dmp
memory/2724-3-0x000000001B250000-0x000000001B2D0000-memory.dmp
memory/2724-6-0x000007FEF5C40000-0x000007FEF662C000-memory.dmp
memory/2724-7-0x000000001B250000-0x000000001B2D0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Server.exe
| MD5 | a89d22ac25d150e595819c16cd309568 |
| SHA1 | 8af731d9e100cff209e56dfdcb72be9b6e5b6732 |
| SHA256 | f916e54c85cf4c634db8a36fcca8d7e260d60b7a1325ab714402c510927564b4 |
| SHA512 | 8c7457daf18740e65bec52afbda223db96df663e4d34e705924c99021edeba63cdfa63d71f7e382d56e908c4c62e59d909c8bf7908e8cdc8da1e2274f43f82a2 |
memory/2404-12-0x0000000000DE0000-0x0000000000DE8000-memory.dmp
memory/2404-11-0x000007FEF5C40000-0x000007FEF662C000-memory.dmp
memory/2404-13-0x000000001ABE0000-0x000000001AC60000-memory.dmp
memory/2404-14-0x000007FEF5C40000-0x000007FEF662C000-memory.dmp
memory/1928-16-0x000007FEF5C40000-0x000007FEF662C000-memory.dmp
memory/1928-17-0x000000001B110000-0x000000001B190000-memory.dmp
memory/1928-18-0x000007FEF5C40000-0x000007FEF662C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-27 07:46
Reported
2024-02-27 07:48
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
129s
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\a89d22ac25d150e595819c16cd309568.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\a89d22ac25d150e595819c16cd309568.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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\a89d22ac25d150e595819c16cd309568.exe\" .." | C:\Users\Admin\AppData\Local\Temp\a89d22ac25d150e595819c16cd309568.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\a89d22ac25d150e595819c16cd309568.exe\" .." | C:\Users\Admin\AppData\Local\Temp\a89d22ac25d150e595819c16cd309568.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a89d22ac25d150e595819c16cd309568.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5096 wrote to memory of 3952 | N/A | C:\Users\Admin\AppData\Local\Temp\a89d22ac25d150e595819c16cd309568.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 5096 wrote to memory of 3952 | N/A | C:\Users\Admin\AppData\Local\Temp\a89d22ac25d150e595819c16cd309568.exe | C:\Windows\SYSTEM32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\a89d22ac25d150e595819c16cd309568.exe
"C:\Users\Admin\AppData\Local\Temp\a89d22ac25d150e595819c16cd309568.exe"
C:\Windows\SYSTEM32\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:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3784 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
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 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| GB | 216.58.201.106:443 | 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 | |
| US | 8.8.8.8:53 | 0.205.248.87.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 | |
| 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/5096-0-0x0000000000410000-0x0000000000418000-memory.dmp
memory/5096-1-0x00007FFC22980000-0x00007FFC23441000-memory.dmp
memory/5096-2-0x0000000000BB0000-0x0000000000BC2000-memory.dmp
memory/5096-3-0x000000001B270000-0x000000001B280000-memory.dmp
memory/5096-6-0x00007FFC22980000-0x00007FFC23441000-memory.dmp
memory/5096-7-0x000000001B270000-0x000000001B280000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Server.exe
| MD5 | a89d22ac25d150e595819c16cd309568 |
| SHA1 | 8af731d9e100cff209e56dfdcb72be9b6e5b6732 |
| SHA256 | f916e54c85cf4c634db8a36fcca8d7e260d60b7a1325ab714402c510927564b4 |
| SHA512 | 8c7457daf18740e65bec52afbda223db96df663e4d34e705924c99021edeba63cdfa63d71f7e382d56e908c4c62e59d909c8bf7908e8cdc8da1e2274f43f82a2 |
memory/2300-10-0x00007FFC22980000-0x00007FFC23441000-memory.dmp
memory/2300-11-0x000000001BA70000-0x000000001BA80000-memory.dmp
memory/2300-13-0x00007FFC22980000-0x00007FFC23441000-memory.dmp
memory/3736-15-0x00007FFC22980000-0x00007FFC23441000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Server.exe.log
| MD5 | a8a147915e3a996fdbe10b3a3f1e1bb2 |
| SHA1 | abc564c1be468d57e700913e7b6cf8f62d421263 |
| SHA256 | 8b96a8557deea66696837af011843d6a82451ba57c8f9b5a2726a70818d6fc7e |
| SHA512 | 17b42f17ef60a9f625703172763f692e5ed2ca93564a97853dfa72bb0ac6305ef3267aea0b205938e3aa8eac10156d9d4f322b30d0329d92d647bcec6372731c |
memory/3736-17-0x0000000002B20000-0x0000000002B32000-memory.dmp
memory/3736-18-0x000000001B580000-0x000000001B590000-memory.dmp
memory/3736-19-0x00007FFC22980000-0x00007FFC23441000-memory.dmp