Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
13/05/2024, 16:49
General
- Target 40755d5e32a35c44dff419ce223693bb_JaffaCakes118.exe
- Size 43KB
- Sample240513-vbz8bafe24
- SHA256 8f2357461e61502b9c25c60017ff806638e7342479a9ddc46dcfd4eb633d14b4
Malware Config
Extracted
-
njrat
-
Njrat 0.7 Golden By Hassan Amiri
-
HacKed
-
ultracrystal.ddns.net:5552
-
explorer
-
reg_key
explorer
-
splitter
|Hassan|
Signatures
- njRAT/Bladabindi
Widely used RAT written in .NET.
- Drops startup file 2 IoCs
- Executes dropped EXE 3 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 33 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\40755d5e32a35c44dff419ce223693bb_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\40755d5e32a35c44dff419ce223693bb_JaffaCakes118.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Server.exeC:\Users\Admin\AppData\Local\Temp/Server.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\Server.exeC:\Users\Admin\AppData\Local\Temp/Server.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\Server.exeC:\Users\Admin\AppData\Local\Temp/Server.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Server.exe.log
Server.exe
memory/1416-7-0x0000000075470000-0x0000000075A21000-memory.dmp
memory/1416-11-0x0000000075470000-0x0000000075A21000-memory.dmp
memory/1564-14-0x0000000075470000-0x0000000075A21000-memory.dmp
memory/1564-15-0x0000000075470000-0x0000000075A21000-memory.dmp
memory/3532-9-0x0000000075470000-0x0000000075A21000-memory.dmp
memory/3532-8-0x0000000075472000-0x0000000075473000-memory.dmp
memory/3532-2-0x0000000075470000-0x0000000075A21000-memory.dmp
memory/3532-1-0x0000000075470000-0x0000000075A21000-memory.dmp
memory/3532-0-0x0000000075472000-0x0000000075473000-memory.dmp
memory/4804-17-0x0000000075470000-0x0000000075A21000-memory.dmp
memory/4804-18-0x0000000075470000-0x0000000075A21000-memory.dmp