Analysis
-
max time kernel
153s -
max time network
171s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 12:54
Behavioral task
behavioral1
Sample
de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exe
Resource
win10v2004-20220812-en
General
-
Target
de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exe
-
Size
29KB
-
MD5
883a359e303d65433d684c5ac3353e06
-
SHA1
392604010aaa0b669dfb7dc86218d44715a4c6cb
-
SHA256
de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f
-
SHA512
eeaeacaa84642f3ae6ce40a5ca76c97158ebc5ad33b842a2f5d6a6d5251a302c66d756b3833c189efbec2415dbe6949a98834befa18ea1709e7e29be9f9c9ab3
-
SSDEEP
768:2rD71oGc1FRVp74q8HesBKh0p29SgRNM:UD71IPkpZKhG29jNM
Malware Config
Extracted
njrat
0.6.4
HacKed
boxfox555.zapto.org:1177
12ce4e06a81e8d54fd01d9b762f1b1bb
-
reg_key
12ce4e06a81e8d54fd01d9b762f1b1bb
-
splitter
|'|'|
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
system.exepid process 956 system.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
-
Loads dropped DLL 1 IoCs
Processes:
de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exepid process 916 de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
system.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\12ce4e06a81e8d54fd01d9b762f1b1bb = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .." system.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\12ce4e06a81e8d54fd01d9b762f1b1bb = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .." system.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
system.exepid process 956 system.exe 956 system.exe 956 system.exe 956 system.exe 956 system.exe 956 system.exe 956 system.exe 956 system.exe 956 system.exe 956 system.exe 956 system.exe 956 system.exe 956 system.exe 956 system.exe 956 system.exe 956 system.exe 956 system.exe 956 system.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
system.exedescription pid process Token: SeDebugPrivilege 956 system.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exesystem.exedescription pid process target process PID 916 wrote to memory of 956 916 de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exe system.exe PID 916 wrote to memory of 956 916 de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exe system.exe PID 916 wrote to memory of 956 916 de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exe system.exe PID 916 wrote to memory of 956 916 de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exe system.exe PID 956 wrote to memory of 2016 956 system.exe netsh.exe PID 956 wrote to memory of 2016 956 system.exe netsh.exe PID 956 wrote to memory of 2016 956 system.exe netsh.exe PID 956 wrote to memory of 2016 956 system.exe netsh.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exe"C:\Users\Admin\AppData\Local\Temp\de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\system.exe"C:\Users\Admin\AppData\Local\Temp\system.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\system.exe" "system.exe" ENABLE3⤵
- Modifies Windows Firewall
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\system.exeFilesize
29KB
MD5883a359e303d65433d684c5ac3353e06
SHA1392604010aaa0b669dfb7dc86218d44715a4c6cb
SHA256de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f
SHA512eeaeacaa84642f3ae6ce40a5ca76c97158ebc5ad33b842a2f5d6a6d5251a302c66d756b3833c189efbec2415dbe6949a98834befa18ea1709e7e29be9f9c9ab3
-
C:\Users\Admin\AppData\Local\Temp\system.exeFilesize
29KB
MD5883a359e303d65433d684c5ac3353e06
SHA1392604010aaa0b669dfb7dc86218d44715a4c6cb
SHA256de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f
SHA512eeaeacaa84642f3ae6ce40a5ca76c97158ebc5ad33b842a2f5d6a6d5251a302c66d756b3833c189efbec2415dbe6949a98834befa18ea1709e7e29be9f9c9ab3
-
\Users\Admin\AppData\Local\Temp\system.exeFilesize
29KB
MD5883a359e303d65433d684c5ac3353e06
SHA1392604010aaa0b669dfb7dc86218d44715a4c6cb
SHA256de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f
SHA512eeaeacaa84642f3ae6ce40a5ca76c97158ebc5ad33b842a2f5d6a6d5251a302c66d756b3833c189efbec2415dbe6949a98834befa18ea1709e7e29be9f9c9ab3
-
memory/916-54-0x0000000076871000-0x0000000076873000-memory.dmpFilesize
8KB
-
memory/916-55-0x0000000074EE0000-0x000000007548B000-memory.dmpFilesize
5.7MB
-
memory/916-61-0x0000000074EE0000-0x000000007548B000-memory.dmpFilesize
5.7MB
-
memory/956-57-0x0000000000000000-mapping.dmp
-
memory/956-64-0x0000000074EE0000-0x000000007548B000-memory.dmpFilesize
5.7MB
-
memory/956-65-0x0000000074EE0000-0x000000007548B000-memory.dmpFilesize
5.7MB
-
memory/2016-62-0x0000000000000000-mapping.dmp