Analysis
-
max time kernel
150s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-05-2022 17:54
Behavioral task
behavioral1
Sample
e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe
Resource
win10v2004-20220414-en
General
-
Target
e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe
-
Size
43KB
-
MD5
8935f1fb68a10140627c0932a24cbb68
-
SHA1
9a71e4555bc34507412a9b37f8719a59e12196f8
-
SHA256
e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a
-
SHA512
ff9d77cb12e2b8eede76a45b56a507c186b0c669fa951ca8bc47c7e8dbd6438bfdf26d39cb5f5ea4ebeebb24dff4acde387ac33b1d4e5d893e96d7318766044b
Malware Config
Extracted
njrat
Njrat 0.7 Golden By Hassan Amiri
HacKed
bliter.hopto.org:1177
Windows Update
-
reg_key
Windows Update
-
splitter
|Hassan|
Signatures
-
Executes dropped EXE 4 IoCs
Processes:
svchost.exeServer.exeServer.exeServer.exepid process 1796 svchost.exe 1160 Server.exe 1360 Server.exe 872 Server.exe -
Drops startup file 2 IoCs
Processes:
svchost.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe svchost.exe -
Loads dropped DLL 1 IoCs
Processes:
e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exepid process 1960 e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .." svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .." svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
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
Processes:
svchost.exepid process 1796 svchost.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes:
svchost.exedescription pid process Token: SeDebugPrivilege 1796 svchost.exe Token: 33 1796 svchost.exe Token: SeIncBasePriorityPrivilege 1796 svchost.exe Token: 33 1796 svchost.exe Token: SeIncBasePriorityPrivilege 1796 svchost.exe Token: 33 1796 svchost.exe Token: SeIncBasePriorityPrivilege 1796 svchost.exe Token: 33 1796 svchost.exe Token: SeIncBasePriorityPrivilege 1796 svchost.exe Token: 33 1796 svchost.exe Token: SeIncBasePriorityPrivilege 1796 svchost.exe Token: 33 1796 svchost.exe Token: SeIncBasePriorityPrivilege 1796 svchost.exe Token: 33 1796 svchost.exe Token: SeIncBasePriorityPrivilege 1796 svchost.exe Token: 33 1796 svchost.exe Token: SeIncBasePriorityPrivilege 1796 svchost.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exesvchost.exetaskeng.exedescription pid process target process PID 1960 wrote to memory of 1796 1960 e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe svchost.exe PID 1960 wrote to memory of 1796 1960 e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe svchost.exe PID 1960 wrote to memory of 1796 1960 e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe svchost.exe PID 1960 wrote to memory of 1796 1960 e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe svchost.exe PID 1796 wrote to memory of 620 1796 svchost.exe schtasks.exe PID 1796 wrote to memory of 620 1796 svchost.exe schtasks.exe PID 1796 wrote to memory of 620 1796 svchost.exe schtasks.exe PID 1796 wrote to memory of 620 1796 svchost.exe schtasks.exe PID 1412 wrote to memory of 1160 1412 taskeng.exe Server.exe PID 1412 wrote to memory of 1160 1412 taskeng.exe Server.exe PID 1412 wrote to memory of 1160 1412 taskeng.exe Server.exe PID 1412 wrote to memory of 1160 1412 taskeng.exe Server.exe PID 1412 wrote to memory of 1360 1412 taskeng.exe Server.exe PID 1412 wrote to memory of 1360 1412 taskeng.exe Server.exe PID 1412 wrote to memory of 1360 1412 taskeng.exe Server.exe PID 1412 wrote to memory of 1360 1412 taskeng.exe Server.exe PID 1412 wrote to memory of 872 1412 taskeng.exe Server.exe PID 1412 wrote to memory of 872 1412 taskeng.exe Server.exe PID 1412 wrote to memory of 872 1412 taskeng.exe Server.exe PID 1412 wrote to memory of 872 1412 taskeng.exe Server.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe"C:\Users\Admin\AppData\Local\Temp\e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Executes dropped EXE
- 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.exe3⤵
- Creates scheduled task(s)
-
C:\Windows\system32\taskeng.exetaskeng.exe {7CE88561-0AE7-4FA9-9420-906AE6C79871} S-1-5-21-1083475884-596052423-1669053738-1000:WYZSGDWS\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Server.exeC:\Users\Admin\AppData\Local\Temp/Server.exe2⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\Server.exeC:\Users\Admin\AppData\Local\Temp/Server.exe2⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\Server.exeC:\Users\Admin\AppData\Local\Temp/Server.exe2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\Server.exeFilesize
43KB
MD58935f1fb68a10140627c0932a24cbb68
SHA19a71e4555bc34507412a9b37f8719a59e12196f8
SHA256e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a
SHA512ff9d77cb12e2b8eede76a45b56a507c186b0c669fa951ca8bc47c7e8dbd6438bfdf26d39cb5f5ea4ebeebb24dff4acde387ac33b1d4e5d893e96d7318766044b
-
C:\Users\Admin\AppData\Local\Temp\Server.exeFilesize
43KB
MD58935f1fb68a10140627c0932a24cbb68
SHA19a71e4555bc34507412a9b37f8719a59e12196f8
SHA256e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a
SHA512ff9d77cb12e2b8eede76a45b56a507c186b0c669fa951ca8bc47c7e8dbd6438bfdf26d39cb5f5ea4ebeebb24dff4acde387ac33b1d4e5d893e96d7318766044b
-
C:\Users\Admin\AppData\Local\Temp\Server.exeFilesize
43KB
MD58935f1fb68a10140627c0932a24cbb68
SHA19a71e4555bc34507412a9b37f8719a59e12196f8
SHA256e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a
SHA512ff9d77cb12e2b8eede76a45b56a507c186b0c669fa951ca8bc47c7e8dbd6438bfdf26d39cb5f5ea4ebeebb24dff4acde387ac33b1d4e5d893e96d7318766044b
-
C:\Users\Admin\AppData\Local\Temp\Server.exeFilesize
43KB
MD58935f1fb68a10140627c0932a24cbb68
SHA19a71e4555bc34507412a9b37f8719a59e12196f8
SHA256e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a
SHA512ff9d77cb12e2b8eede76a45b56a507c186b0c669fa951ca8bc47c7e8dbd6438bfdf26d39cb5f5ea4ebeebb24dff4acde387ac33b1d4e5d893e96d7318766044b
-
C:\Users\Admin\AppData\Roaming\svchost.exeFilesize
43KB
MD58935f1fb68a10140627c0932a24cbb68
SHA19a71e4555bc34507412a9b37f8719a59e12196f8
SHA256e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a
SHA512ff9d77cb12e2b8eede76a45b56a507c186b0c669fa951ca8bc47c7e8dbd6438bfdf26d39cb5f5ea4ebeebb24dff4acde387ac33b1d4e5d893e96d7318766044b
-
C:\Users\Admin\AppData\Roaming\svchost.exeFilesize
43KB
MD58935f1fb68a10140627c0932a24cbb68
SHA19a71e4555bc34507412a9b37f8719a59e12196f8
SHA256e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a
SHA512ff9d77cb12e2b8eede76a45b56a507c186b0c669fa951ca8bc47c7e8dbd6438bfdf26d39cb5f5ea4ebeebb24dff4acde387ac33b1d4e5d893e96d7318766044b
-
\Users\Admin\AppData\Roaming\svchost.exeFilesize
43KB
MD58935f1fb68a10140627c0932a24cbb68
SHA19a71e4555bc34507412a9b37f8719a59e12196f8
SHA256e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a
SHA512ff9d77cb12e2b8eede76a45b56a507c186b0c669fa951ca8bc47c7e8dbd6438bfdf26d39cb5f5ea4ebeebb24dff4acde387ac33b1d4e5d893e96d7318766044b
-
memory/620-62-0x0000000000000000-mapping.dmp
-
memory/872-70-0x0000000000000000-mapping.dmp
-
memory/1160-64-0x0000000000000000-mapping.dmp
-
memory/1160-66-0x0000000000B10000-0x0000000000B22000-memory.dmpFilesize
72KB
-
memory/1360-67-0x0000000000000000-mapping.dmp
-
memory/1360-69-0x0000000000EE0000-0x0000000000EF2000-memory.dmpFilesize
72KB
-
memory/1796-60-0x00000000000B0000-0x00000000000C2000-memory.dmpFilesize
72KB
-
memory/1796-57-0x0000000000000000-mapping.dmp
-
memory/1960-54-0x0000000000E70000-0x0000000000E82000-memory.dmpFilesize
72KB
-
memory/1960-55-0x0000000075F21000-0x0000000075F23000-memory.dmpFilesize
8KB