Analysis
-
max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
02-09-2024 09:08
Behavioral task
behavioral1
Sample
Device/HarddiskVolume3/Users/Usuario/Downloads/d88d9478a3df86f3aad088f1d93e25f31eb9ad74a01f087b1a4a9533daf25fa6.exe
Resource
win7-20240708-en
windows7-x64
15 signatures
150 seconds
Behavioral task
behavioral2
Sample
Device/HarddiskVolume3/Users/Usuario/Downloads/d88d9478a3df86f3aad088f1d93e25f31eb9ad74a01f087b1a4a9533daf25fa6.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
15 signatures
150 seconds
General
-
Target
Device/HarddiskVolume3/Users/Usuario/Downloads/d88d9478a3df86f3aad088f1d93e25f31eb9ad74a01f087b1a4a9533daf25fa6.exe
-
Size
93KB
-
MD5
333edb223d980aa62d38eccece026ce4
-
SHA1
96dcf76040ef3db4e5fd04f6e5f572a20abb6404
-
SHA256
d88d9478a3df86f3aad088f1d93e25f31eb9ad74a01f087b1a4a9533daf25fa6
-
SHA512
8489721a0cd9b1bda528b460d62e79b5b79484a8b34760915c7d9d8b3d2951e30f8d9bef2ee6061be4a729e73982161175e6eace72e1a07e3494f9f1be33aa6d
-
SSDEEP
768:xY3B+xFKghFchQVTqWnwz/1h3XE/blTzxXSsvXxrjEtCdnl2pi1Rz4Rk3OsGdpyD:u+nK6bTq8itNEhVhjEwzGi1dDKDyzgS
Malware Config
Extracted
Family
njrat
Version
0.7d
Botnet
Server
C2
hakim32.ddns.net:2000
0.tcp.jp.ngrok.io:12215
Mutex
cae159ad290a06b8a442e247969718ad
Attributes
-
reg_key
cae159ad290a06b8a442e247969718ad
-
splitter
|'|'|
Signatures
-
Disables Task Manager via registry modification
-
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2844 netsh.exe -
Drops startup file 6 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cae159ad290a06b8a442e247969718adWindows Update.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cae159ad290a06b8a442e247969718adWindows Update.exe server.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe server.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\winlogon.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\winlogon.exe server.exe -
Executes dropped EXE 1 IoCs
pid Process 2176 server.exe -
Loads dropped DLL 2 IoCs
pid Process 2080 d88d9478a3df86f3aad088f1d93e25f31eb9ad74a01f087b1a4a9533daf25fa6.exe 2080 d88d9478a3df86f3aad088f1d93e25f31eb9ad74a01f087b1a4a9533daf25fa6.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
flow ioc 2 0.tcp.jp.ngrok.io 26 0.tcp.jp.ngrok.io 50 0.tcp.jp.ngrok.io -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\Explower.exe server.exe File opened for modification C:\Windows\SysWOW64\Explower.exe server.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\Explower.exe server.exe File opened for modification C:\Program Files (x86)\Explower.exe server.exe -
Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d88d9478a3df86f3aad088f1d93e25f31eb9ad74a01f087b1a4a9533daf25fa6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe 2176 server.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2176 server.exe -
Suspicious use of AdjustPrivilegeToken 37 IoCs
description pid Process Token: SeDebugPrivilege 2176 server.exe Token: 33 2176 server.exe Token: SeIncBasePriorityPrivilege 2176 server.exe Token: 33 2176 server.exe Token: SeIncBasePriorityPrivilege 2176 server.exe Token: 33 2176 server.exe Token: SeIncBasePriorityPrivilege 2176 server.exe Token: 33 2176 server.exe Token: SeIncBasePriorityPrivilege 2176 server.exe Token: 33 2176 server.exe Token: SeIncBasePriorityPrivilege 2176 server.exe Token: 33 2176 server.exe Token: SeIncBasePriorityPrivilege 2176 server.exe Token: 33 2176 server.exe Token: SeIncBasePriorityPrivilege 2176 server.exe Token: 33 2176 server.exe Token: SeIncBasePriorityPrivilege 2176 server.exe Token: 33 2176 server.exe Token: SeIncBasePriorityPrivilege 2176 server.exe Token: 33 2176 server.exe Token: SeIncBasePriorityPrivilege 2176 server.exe Token: 33 2176 server.exe Token: SeIncBasePriorityPrivilege 2176 server.exe Token: 33 2176 server.exe Token: SeIncBasePriorityPrivilege 2176 server.exe Token: 33 2176 server.exe Token: SeIncBasePriorityPrivilege 2176 server.exe Token: 33 2176 server.exe Token: SeIncBasePriorityPrivilege 2176 server.exe Token: 33 2176 server.exe Token: SeIncBasePriorityPrivilege 2176 server.exe Token: 33 2176 server.exe Token: SeIncBasePriorityPrivilege 2176 server.exe Token: 33 2176 server.exe Token: SeIncBasePriorityPrivilege 2176 server.exe Token: 33 2176 server.exe Token: SeIncBasePriorityPrivilege 2176 server.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2080 wrote to memory of 2176 2080 d88d9478a3df86f3aad088f1d93e25f31eb9ad74a01f087b1a4a9533daf25fa6.exe 30 PID 2080 wrote to memory of 2176 2080 d88d9478a3df86f3aad088f1d93e25f31eb9ad74a01f087b1a4a9533daf25fa6.exe 30 PID 2080 wrote to memory of 2176 2080 d88d9478a3df86f3aad088f1d93e25f31eb9ad74a01f087b1a4a9533daf25fa6.exe 30 PID 2080 wrote to memory of 2176 2080 d88d9478a3df86f3aad088f1d93e25f31eb9ad74a01f087b1a4a9533daf25fa6.exe 30 PID 2176 wrote to memory of 2844 2176 server.exe 31 PID 2176 wrote to memory of 2844 2176 server.exe 31 PID 2176 wrote to memory of 2844 2176 server.exe 31 PID 2176 wrote to memory of 2844 2176 server.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\Usuario\Downloads\d88d9478a3df86f3aad088f1d93e25f31eb9ad74a01f087b1a4a9533daf25fa6.exe"C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\Usuario\Downloads\d88d9478a3df86f3aad088f1d93e25f31eb9ad74a01f087b1a4a9533daf25fa6.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2080 -
C:\Users\Admin\AppData\Roaming\server.exe"C:\Users\Admin\AppData\Roaming\server.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2176 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2844
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
4B
MD5931db99e42055249760280846b3d667a
SHA19e0e0cea04560fcbf4ded54640a65a6987943672
SHA2562a6b5dd5f6530a184eba6f0cced2c935751cf2c27fc3ab2e7124e76a249fdee6
SHA51266471125ec18e0573e51decaf82bd7e1c792bad12ee0d98697a0870d1ddc670a6407912a648f44d5500ee543f37180ddf8825c86c8f990c2f8305620cf1ea6e0
-
Filesize
93KB
MD5333edb223d980aa62d38eccece026ce4
SHA196dcf76040ef3db4e5fd04f6e5f572a20abb6404
SHA256d88d9478a3df86f3aad088f1d93e25f31eb9ad74a01f087b1a4a9533daf25fa6
SHA5128489721a0cd9b1bda528b460d62e79b5b79484a8b34760915c7d9d8b3d2951e30f8d9bef2ee6061be4a729e73982161175e6eace72e1a07e3494f9f1be33aa6d