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| File name: | CRIANDOR_DE_COMPROVANTE.exe |
| Full analysis: | https://app.any.run/tasks/83a65789-58b8-4c2c-b1c3-e180ed6b35a9 |
| 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 30, 2020, 01:36:56 |
| 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: | 76CD8F5A70CFD43244044C873F5497B3 |
| SHA1: | 4511DCB5305F714D7BE17C8D926FEEB85E265808 |
| SHA256: | 6089EE41205FFD4BDC3CF35EDA65F4080226023E280560D71B2D0814B29EE825 |
| SSDEEP: | 98304:/zXfN/HvqOVJONv3iTEkfelAbKW81HkGtaONPjA8lEf5ygHXGLoJHqE/Ws:/zXdiEiKRfelAbp81HkGtaSPjA8esg2y |
MALICIOUS
Application was dropped or rewritten from another process
- Criador de Comprovantes.exe (PID: 3056)
- Server.exe (PID: 1032)
- system32.exe (PID: 2796)
Drops executable file immediately after starts
- CRIANDOR_DE_COMPROVANTE.exe (PID: 2920)
Writes to a start menu file
- system32.exe (PID: 2796)
Connects to CnC server
- system32.exe (PID: 2796)
NJRAT was detected
- system32.exe (PID: 2796)
Changes the autorun value in the registry
- system32.exe (PID: 2796)
SUSPICIOUS
Drops a file that was compiled in debug mode
- CRIANDOR_DE_COMPROVANTE.exe (PID: 2920)
Executable content was dropped or overwritten
- Server.exe (PID: 1032)
- CRIANDOR_DE_COMPROVANTE.exe (PID: 2920)
- system32.exe (PID: 2796)
Drops a file with a compile date too recent
- CRIANDOR_DE_COMPROVANTE.exe (PID: 2920)
- Server.exe (PID: 1032)
- system32.exe (PID: 2796)
Creates files in the Windows directory
- Server.exe (PID: 1032)
Starts itself from another location
- Server.exe (PID: 1032)
Uses NETSH.EXE for network configuration
- system32.exe (PID: 2796)
Creates files in the user directory
- system32.exe (PID: 2796)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable Microsoft Visual Basic 6 (54.9) |
|---|---|---|
| .exe | | | Win32 Executable MS Visual C++ (generic) (20.8) |
| .exe | | | Win64 Executable (generic) (18.4) |
| .exe | | | Win32 Executable (generic) (3) |
| .exe | | | Generic Win/DOS Executable (1.3) |
EXIF
EXE
| OriginalFileName: | cactus.dll |
|---|---|
| InternalName: | cactus |
| ProductVersion: | 7.02.0012 |
| FileVersion: | 7.02.0012 |
| ProductName: | JavaUpdate |
| LegalTrademarks: | www.java.com |
| LegalCopyright: | www.java.com |
| FileDescription: | JavaUpadate.exe |
| CompanyName: | Java@Registred |
| CharacterSet: | Unicode |
| LanguageCode: | English (U.S.) |
| FileSubtype: | - |
| ObjectFileType: | Executable application |
| FileOS: | Win32 |
| FileFlags: | (none) |
| FileFlagsMask: | 0x0000 |
| ProductVersionNumber: | 7.2.0.12 |
| FileVersionNumber: | 7.2.0.12 |
| Subsystem: | Windows GUI |
| SubsystemVersion: | 4 |
| ImageVersion: | 7.2 |
| OSVersion: | 4 |
| EntryPoint: | 0x109c |
| UninitializedDataSize: | - |
| InitializedDataSize: | 8192 |
| CodeSize: | 4096 |
| LinkerVersion: | 6 |
| PEType: | PE32 |
| TimeStamp: | 2014:01:18 23:12:01+01:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 18-Jan-2014 22:12:01 |
| Detected languages: |
|
| CompanyName: | Java@Registred |
| FileDescription: | JavaUpadate.exe |
| LegalCopyright: | www.java.com |
| LegalTrademarks: | www.java.com |
| ProductName: | JavaUpdate |
| FileVersion: | 7.02.0012 |
| ProductVersion: | 7.02.0012 |
| InternalName: | cactus |
| OriginalFilename: | cactus.dll |
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: | 0x000000B8 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 18-Jan-2014 22:12:01 |
| 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 | 0x00000E84 | 0x00001000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 4.32466 |
.data | 0x00002000 | 0x000002DC | 0x00000000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rsrc | 0x00003000 | 0x00000CA0 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.04307 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.35557 | 764 | Unicode (UTF 16LE) | English - United States | RT_VERSION |
Imports
MSVBVM60.DLL |
Total processes
44
Monitored processes
6
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 1952 | "C:\Users\admin\AppData\Local\Temp\CRIANDOR_DE_COMPROVANTE.exe" | C:\Users\admin\AppData\Local\Temp\CRIANDOR_DE_COMPROVANTE.exe | — | explorer.exe |
User: admin Company: Java@Registred Integrity Level: MEDIUM Description: JavaUpadate.exe Exit code: 3221226540 Version: 7.02.0012 | ||||
| 2920 | "C:\Users\admin\AppData\Local\Temp\CRIANDOR_DE_COMPROVANTE.exe" | C:\Users\admin\AppData\Local\Temp\CRIANDOR_DE_COMPROVANTE.exe | explorer.exe | |
User: admin Company: Java@Registred Integrity Level: HIGH Description: JavaUpadate.exe Exit code: 0 Version: 7.02.0012 | ||||
| 1032 | "C:\Users\admin\AppData\Local\Temp\Server.exe" | C:\Users\admin\AppData\Local\Temp\Server.exe | CRIANDOR_DE_COMPROVANTE.exe | |
User: admin Integrity Level: HIGH Exit code: 0 | ||||
| 3056 | "C:\Users\admin\AppData\Local\Temp\Criador de Comprovantes.exe" | C:\Users\admin\AppData\Local\Temp\Criador de Comprovantes.exe | — | CRIANDOR_DE_COMPROVANTE.exe |
User: admin Integrity Level: HIGH Description: Criador de Comprovantes Version: 1.0.0.0 | ||||
| 2796 | "C:\Windows\system32.exe" | C:\Windows\system32.exe | Server.exe | |
User: admin Integrity Level: HIGH | ||||
| 1136 | netsh firewall add allowedprogram "C:\Windows\system32.exe" "system32.exe" ENABLE | C:\Windows\system32\netsh.exe | — | system32.exe |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
1 457
Read events
894
Write events
0
Delete events
0
Modification events
Executable files
4
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3056 | Criador de Comprovantes.exe | C:\Login\asd\user.data | text | |
MD5:83DAD860C5DC6AA8EE92743C14625B68 | SHA256:D0F6D41158AE04899DEC4890B7AD9E67EAB0C196AA8B89C7EEBE29C0777BD928 | |||
| 1032 | Server.exe | C:\Windows\system32.exe | executable | |
MD5:C4C4A4CB8D5665742DF3A707BD0C6AC3 | SHA256:CFA80D4B9EF0175E23C0B0335423D69323090BB63011E8400BD29A4DC56D176A | |||
| 2796 | system32.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fb19174a9d73f8b6384f855be77a7c44.exe | executable | |
MD5:C4C4A4CB8D5665742DF3A707BD0C6AC3 | SHA256:CFA80D4B9EF0175E23C0B0335423D69323090BB63011E8400BD29A4DC56D176A | |||
| 2920 | CRIANDOR_DE_COMPROVANTE.exe | C:\Users\admin\AppData\Local\Temp\Criador de Comprovantes.exe | executable | |
MD5:24315DDD868DD192376E9124F8A23163 | SHA256:690EAF0D5B417FBBEAA62AAAE2A261B03EEE4C14EF3BA63F3B86016FDA2BC3A3 | |||
| 2920 | CRIANDOR_DE_COMPROVANTE.exe | C:\Users\admin\AppData\Local\Temp\Server.exe | executable | |
MD5:C4C4A4CB8D5665742DF3A707BD0C6AC3 | SHA256:CFA80D4B9EF0175E23C0B0335423D69323090BB63011E8400BD29A4DC56D176A | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
DNS requests
1
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 |
|---|---|---|---|---|---|---|
2796 | system32.exe | 201.80.49.208:2018 | trojanx.duckdns.org | CLARO S.A. | BR | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
trojanx.duckdns.org |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
2796 | system32.exe | A Network Trojan was detected | ET TROJAN Bladabindi/njRAT CnC Command (ll) |
2796 | system32.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT/Bladabindi |
2796 | system32.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT.Gen RAT outbound connection |
11 ETPRO signatures available at the full report