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| File name: | Denuncia Notificación fiscal en su contra Fiscalía General De La Nación - Número Único de Noticia Criminal (NUNC) 15621728127212342 AGRADECEMOS.exe |
| Full analysis: | https://app.any.run/tasks/c617c185-7f91-4b66-9050-c09db716e7b4 |
| Verdict: | Malicious activity |
| Threats: | njRAT is a remote access trojan. It is one of the most widely accessible RATs on the market that features an abundance of educational information. Interested attackers can even find tutorials on YouTube. This allows it to become one of the most popular RATs in the world. |
| Analysis date: | November 08, 2018, 12:19:15 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | BD04E9488B59CDCCEF532B66019824C5 |
| SHA1: | D402097897701415BC8946EB654E4B5F7F56DA0C |
| SHA256: | FCB5DE20028759F878FF4E1A5CDF87DDF5C5DB102F66A023E1083726C2CA8F19 |
| SSDEEP: | 6144:6fsd47W6Q4PGWMK/bJ7dF3vcxCxTzyHCHzaaF7PwwO3a7F:CsOW6Q4OWz9htxTzyHCH2aF7YaF |
MALICIOUS
Application was dropped or rewritten from another process
- fi.exe (PID: 628)
Uses Task Scheduler to run other applications
- installutil.exe (PID: 2820)
Loads the Task Scheduler COM API
- schtasks.exe (PID: 3028)
NJRAT was detected
- installutil.exe (PID: 3844)
SUSPICIOUS
Executable content was dropped or overwritten
- 61562650-9552-4d31-82ca-98685b3ae929.exe (PID: 1496)
- installutil.exe (PID: 2820)
Creates files in the Windows directory
- installutil.exe (PID: 2820)
Uses NETSH.EXE for network configuration
- installutil.exe (PID: 3844)
Connects to unusual port
- installutil.exe (PID: 3844)
Application launched itself
- installutil.exe (PID: 2820)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (64.6) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (15.4) |
| .exe | | | Win32 Executable (generic) (10.5) |
| .exe | | | Generic Win/DOS Executable (4.6) |
| .exe | | | DOS Executable Generic (4.6) |
EXIF
EXE
| Subsystem: | Windows GUI |
|---|---|
| SubsystemVersion: | 5.1 |
| ImageVersion: | - |
| OSVersion: | 5.1 |
| EntryPoint: | 0x1d4f9 |
| UninitializedDataSize: | - |
| InitializedDataSize: | 72704 |
| CodeSize: | 190464 |
| LinkerVersion: | 14 |
| PEType: | PE32 |
| TimeStamp: | 2018:06:24 17:04:40+02:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 24-Jun-2018 15:04:40 |
| Detected languages: |
|
| Debug artifacts: |
|
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0090 |
| Pages in file: | 0x0003 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x0000 |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x0000 |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x00000108 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 6 |
| Time date stamp: | 24-Jun-2018 15:04:40 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00001000 | 0x0002E7E4 | 0x0002E800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.70246 |
.rdata | 0x00030000 | 0x00009A8C | 0x00009C00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.12921 |
.data | 0x0003A000 | 0x000203A0 | 0x00000C00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.23928 |
.gfids | 0x0005B000 | 0x000000E8 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 2.0785 |
.rsrc | 0x0005C000 | 0x00005020 | 0x00005200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 6.42854 |
.reloc | 0x00062000 | 0x00001FD0 | 0x00002000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.68222 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.25329 | 1875 | Latin 1 / Western European | English - United States | RT_MANIFEST |
7 | 3.1586 | 482 | Latin 1 / Western European | English - United States | RT_STRING |
8 | 3.11685 | 460 | Latin 1 / Western European | English - United States | RT_STRING |
9 | 3.15447 | 494 | Latin 1 / Western European | English - United States | RT_STRING |
10 | 2.99727 | 326 | Latin 1 / Western European | English - United States | RT_STRING |
11 | 3.2036 | 1094 | Latin 1 / Western European | English - United States | RT_STRING |
12 | 3.12889 | 358 | Latin 1 / Western European | English - United States | RT_STRING |
13 | 2.95673 | 288 | Latin 1 / Western European | English - United States | RT_STRING |
14 | 2.94627 | 266 | Latin 1 / Western European | English - United States | RT_STRING |
15 | 2.83619 | 188 | Latin 1 / Western European | English - United States | RT_STRING |
Imports
KERNEL32.dll |
USER32.dll (delay-loaded) |
gdiplus.dll |
Total processes
39
Monitored processes
6
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 1496 | "C:\Users\admin\AppData\Local\Temp\61562650-9552-4d31-82ca-98685b3ae929.exe" | C:\Users\admin\AppData\Local\Temp\61562650-9552-4d31-82ca-98685b3ae929.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 628 | "C:\Users\admin\AppData\Local\Temp\fi.exe" | C:\Users\admin\AppData\Local\Temp\fi.exe | — | 61562650-9552-4d31-82ca-98685b3ae929.exe |
User: admin Integrity Level: MEDIUM Description: ErrorReport Exit code: 0 Version: 12.3.0.0 | ||||
| 2820 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe" /logtoconsole=false /logfile= /u "C:\Users\admin\AppData\Local\Temp\fi.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | fi.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: .NET Framework installation utility Exit code: 0 Version: 4.6.1055.0 built by: NETFXREL2 | ||||
| 3028 | "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AQsjRelFlhCWqY" /XML "C:\Users\admin\AppData\Local\Temp\tmp2447.tmp" | C:\Windows\System32\schtasks.exe | — | installutil.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3844 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | installutil.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: .NET Framework installation utility Version: 4.6.1055.0 built by: NETFXREL2 | ||||
| 3800 | netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe" "installutil.exe" ENABLE | C:\Windows\system32\netsh.exe | — | installutil.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
572
Read events
488
Write events
84
Delete events
0
Modification events
| (PID) Process: | (1496) 61562650-9552-4d31-82ca-98685b3ae929.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (1496) 61562650-9552-4d31-82ca-98685b3ae929.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (628) fi.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (628) fi.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2820) installutil.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (2820) installutil.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (3844) installutil.exe | Key: | HKEY_CURRENT_USER |
| Operation: | write | Name: | di |
Value: ! | |||
| (PID) Process: | (3844) installutil.exe | Key: | HKEY_CURRENT_USER\Environment |
| Operation: | write | Name: | SEE_MASK_NOZONECHECKS |
Value: 1 | |||
| (PID) Process: | — | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | — | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\dhcpqec.dll,-100 |
Value: DHCP Quarantine Enforcement Client | |||
Executable files
2
Suspicious files
0
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2820 | installutil.exe | C:\Windows\debug\WIA\AQsjRelFlhCWqY.exe | executable | |
MD5:57527E18508032423D5D90BE4A21A442 | SHA256:8D01EB136E468A65003A4F1EE29F012568948DEF79B0C6D591D47598DBAFE3FC | |||
| 1496 | 61562650-9552-4d31-82ca-98685b3ae929.exe | C:\Users\admin\AppData\Local\Temp\fi.exe | executable | |
MD5:57527E18508032423D5D90BE4A21A442 | SHA256:8D01EB136E468A65003A4F1EE29F012568948DEF79B0C6D591D47598DBAFE3FC | |||
| 1496 | 61562650-9552-4d31-82ca-98685b3ae929.exe | C:\Users\admin\AppData\Local\Temp\fis.jpg | image | |
MD5:10FBC1BDD167973B271C71B85056147E | SHA256:F676BC381B6E17F13D9DE9301BD0E8AE4AE8D32C7CEC9D8FA57E5DCAD2A1D985 | |||
| 2820 | installutil.exe | C:\Users\admin\AppData\Local\Temp\tmp2447.tmp | xml | |
MD5:B8BFEEA6842B31BC9AC392AC918763B8 | SHA256:AF0BD84D5694E3E45296536F45F4264053ABF2E624AD9A90BDAF3393B1493647 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
9
DNS requests
3
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3844 | installutil.exe | 188.126.91.12:2023 | atencionusuario.duckdns.org | Portlane AB | SE | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
atencionusuario.duckdns.org |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
— | — | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
— | — | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |