| File name: | 6879fe793de5f826544fc9bd3b3ae212.exe |
| Full analysis: | https://app.any.run/tasks/de1bded1-cf6b-414c-8811-88d2680d07ba |
| 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: | January 11, 2019, 13:09:57 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 6914B27284B87B0F6C1765B8FC437515 |
| SHA1: | CC11F9E80AB4228A0281799E231787323AD5D047 |
| SHA256: | E7FEB8CE28A059A6BE19FE84735082809F2C31C8D53F7E9E756217224FB2FB81 |
| SSDEEP: | 6144:5t2wjtC/AQDvEMGaRptog51vWrHWmpBdIskn/MP:H2wjAAXspt71urHWmGsknk |
MALICIOUS
Changes the autorun value in the registry
- audio.exe (PID: 2664)
Writes to a start menu file
- audio.exe (PID: 2664)
NJRAT was detected
- audio.exe (PID: 2664)
SUSPICIOUS
Starts itself from another location
- 6879fe793de5f826544fc9bd3b3ae212.exe (PID: 2836)
Creates files in the program directory
- 6879fe793de5f826544fc9bd3b3ae212.exe (PID: 2836)
Executable content was dropped or overwritten
- 6879fe793de5f826544fc9bd3b3ae212.exe (PID: 2836)
- audio.exe (PID: 2664)
Uses NETSH.EXE for network configuration
- audio.exe (PID: 2664)
Creates files in the user directory
- audio.exe (PID: 2664)
Connects to unusual port
- audio.exe (PID: 2664)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (82.9) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (7.4) |
| .exe | | | Win32 Executable (generic) (5.1) |
| .exe | | | Generic Win/DOS Executable (2.2) |
| .exe | | | DOS Executable Generic (2.2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2018:07:25 12:16:02+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 48 |
| CodeSize: | 259072 |
| InitializedDataSize: | 25600 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x4139e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 10.0.16299.461 |
| ProductVersionNumber: | 10.0.16299.461 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | Microsoft Corporation |
| FileDescription: | Microsoft Application Virtualization Client Service |
| FileVersion: | 10.0.16299.461 (WinBuild.160101.0800) |
| InternalName: | AppVClient.exe |
| LegalCopyright: | © Microsoft Corporation. All rights reserved. |
| OriginalFileName: | AppVClient.exe |
| ProductName: | Microsoft® Windows® Operating System |
| ProductVersion: | 10.0.16299.461 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 25-Jul-2018 10:16:02 |
| Detected languages: |
|
| CompanyName: | Microsoft Corporation |
| FileDescription: | Microsoft Application Virtualization Client Service |
| FileVersion: | 10.0.16299.461 (WinBuild.160101.0800) |
| InternalName: | AppVClient.exe |
| LegalCopyright: | © Microsoft Corporation. All rights reserved. |
| OriginalFilename: | AppVClient.exe |
| ProductName: | Microsoft® Windows® Operating System |
| ProductVersion: | 10.0.16299.461 |
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: | 0x00000080 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 25-Jul-2018 10:16:02 |
| 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 | 0x00002000 | 0x0003F3A4 | 0x0003F400 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.298 |
.rsrc | 0x00042000 | 0x000061A4 | 0x00006200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.85393 |
.reloc | 0x0004A000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.49881 | 988 | UNKNOWN | English - United States | RT_VERSION |
7 | 2.76568 | 164 | UNKNOWN | English - United States | RT_STRING |
Imports
mscoree.dll |
Total processes
32
Monitored processes
3
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2664 | "C:\ProgramData\audio.exe" | C:\ProgramData\audio.exe | 6879fe793de5f826544fc9bd3b3ae212.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Application Virtualization Client Service Exit code: 0 Version: 10.0.16299.461 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2752 | netsh firewall add allowedprogram "C:\ProgramData\audio.exe" "audio.exe" ENABLE | C:\Windows\system32\netsh.exe | — | audio.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2836 | "C:\Users\admin\AppData\Local\Temp\6879fe793de5f826544fc9bd3b3ae212.exe" | C:\Users\admin\AppData\Local\Temp\6879fe793de5f826544fc9bd3b3ae212.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Application Virtualization Client Service Exit code: 0 Version: 10.0.16299.461 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
203
Read events
49
Write events
154
Delete events
0
Modification events
| (PID) Process: | (2836) 6879fe793de5f826544fc9bd3b3ae212.exe | Key: | HKEY_CURRENT_USER |
| Operation: | write | Name: | di |
Value: ! | |||
| (PID) Process: | (2836) 6879fe793de5f826544fc9bd3b3ae212.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (2836) 6879fe793de5f826544fc9bd3b3ae212.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2664) audio.exe | Key: | HKEY_CURRENT_USER |
| Operation: | write | Name: | di |
Value: ! | |||
| (PID) Process: | (2664) audio.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | 6879fe793de5f826544fc9bd3b3ae212 |
Value: "C:\ProgramData\audio.exe" .. | |||
| (PID) Process: | (2664) audio.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | 6879fe793de5f826544fc9bd3b3ae212 |
Value: "C:\ProgramData\audio.exe" .. | |||
| (PID) Process: | (2752) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2752) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\dhcpqec.dll,-100 |
Value: DHCP Quarantine Enforcement Client | |||
| (PID) Process: | (2752) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\dhcpqec.dll,-101 |
Value: Provides DHCP based enforcement for NAP | |||
| (PID) Process: | (2752) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\dhcpqec.dll,-103 |
Value: 1.0 | |||
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2836 | 6879fe793de5f826544fc9bd3b3ae212.exe | C:\ProgramData\audio.exe | executable | |
MD5:— | SHA256:— | |||
| 2664 | audio.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6879fe793de5f826544fc9bd3b3ae212.exe | executable | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
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 |
|---|---|---|---|---|---|---|
2664 | audio.exe | 188.232.151.7:11001 | jabatopee.hldns.ru | JSC ER-Telecom Holding | RU | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
jabatopee.hldns.ru |
| unknown |
dns.msftncsi.com |
| shared |