| File name: | KMSAuto Net.exe |
| Full analysis: | https://app.any.run/tasks/3f2eae92-7fac-4c15-bdfa-ef65fef7fe6e |
| 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: | July 21, 2020, 14:19:21 |
| 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: | 56532D18879B0059E4EAA72A499B42E4 |
| SHA1: | 02487F8E86DD885CB000EF0F2A242B0A038D239B |
| SHA256: | 7BF70E1BC8175348EFC761DED0479DD77CB081BACB554CC0D08F0C5857BD60CC |
| SSDEEP: | 196608:awywCAfywOwe/3ywuywQywTyw3ywsywsywPbywgsywZywtywRywZywBywFywUyw3:kwCAqwUqwjwNw2wiwxwxwPewgxwUwQw4 |
MALICIOUS
Application was dropped or rewritten from another process
- LocalYVJYOFelbg.exe (PID: 1876)
- LocaldZQbotQCnA.exe (PID: 1076)
- LocaldZQbotQCnA.exe (PID: 2108)
- explrer.exe (PID: 3040)
- wzt.dat (PID: 3468)
- certmgr.exe (PID: 2388)
- bin.dat (PID: 3480)
- certmgr.exe (PID: 2596)
- AESDecoder.exe (PID: 4028)
- bin_x86.dat (PID: 2588)
Writes to a start menu file
- explrer.exe (PID: 3040)
Changes settings of System certificates
- certmgr.exe (PID: 2596)
- certmgr.exe (PID: 2388)
Changes the autorun value in the registry
- explrer.exe (PID: 3040)
NJRAT was detected
- explrer.exe (PID: 3040)
SUSPICIOUS
Starts CMD.EXE for commands execution
- LocaldZQbotQCnA.exe (PID: 2108)
Executable content was dropped or overwritten
- KMSAuto Net.exe (PID: 2544)
- LocalYVJYOFelbg.exe (PID: 1876)
- explrer.exe (PID: 3040)
- wzt.dat (PID: 3468)
- AESDecoder.exe (PID: 4028)
- bin.dat (PID: 3480)
- bin_x86.dat (PID: 2588)
- LocaldZQbotQCnA.exe (PID: 2108)
Reads internet explorer settings
- LocaldZQbotQCnA.exe (PID: 2108)
Creates files in the user directory
- LocalYVJYOFelbg.exe (PID: 1876)
- explrer.exe (PID: 3040)
Reads Environment values
- LocaldZQbotQCnA.exe (PID: 2108)
Starts CMD.EXE for self-deleting
- LocaldZQbotQCnA.exe (PID: 2108)
Starts itself from another location
- LocalYVJYOFelbg.exe (PID: 1876)
Uses NETSH.EXE for network configuration
- explrer.exe (PID: 3040)
Executes scripts
- LocaldZQbotQCnA.exe (PID: 2108)
Creates files in the program directory
- LocaldZQbotQCnA.exe (PID: 2108)
- wzt.dat (PID: 3468)
- bin.dat (PID: 3480)
- AESDecoder.exe (PID: 4028)
- bin_x86.dat (PID: 2588)
Starts application with an unusual extension
- cmd.exe (PID: 2416)
- cmd.exe (PID: 2364)
- cmd.exe (PID: 2224)
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.) (26.2) |
|---|---|---|
| .exe | | | Win32 Executable MS Visual C++ (generic) (11.1) |
| .exe | | | Win64 Executable (generic) (9.9) |
| .scr | | | Windows screen saver (4.6) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2016:11:07 12:17:54+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 9048064 |
| InitializedDataSize: | 24576 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x8a2f7e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 0.0.0.0 |
| ProductVersionNumber: | 0.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| FileDescription: | |
| FileVersion: | 0.0.0.0 |
| InternalName: | KMSAuto Net.exe |
| LegalCopyright: | |
| OriginalFileName: | KMSAuto Net.exe |
| ProductVersion: | 0.0.0.0 |
| AssemblyVersion: | 0.0.0.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 07-Nov-2016 11:17:54 |
| FileDescription: | - |
| FileVersion: | 0.0.0.0 |
| InternalName: | KMSAuto Net.exe |
| LegalCopyright: | - |
| OriginalFilename: | KMSAuto Net.exe |
| ProductVersion: | 0.0.0.0 |
| Assembly Version: | 0.0.0.0 |
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: | 07-Nov-2016 11:17:54 |
| 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 | 0x008A0F84 | 0x008A1000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.09106 |
.rsrc | 0x008A4000 | 0x00004580 | 0x00005000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.43296 |
.reloc | 0x008AA000 | 0x0000000C | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0164085 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.21068 | 596 | UNKNOWN | UNKNOWN | RT_VERSION |
2 | 3.79019 | 16936 | UNKNOWN | UNKNOWN | RT_ICON |
32512 | 2.0815 | 20 | UNKNOWN | UNKNOWN | RT_GROUP_ICON |
Imports
mscoree.dll |
Total processes
86
Monitored processes
29
Malicious processes
5
Suspicious processes
4
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 776 | C:\Windows\System32\cmd.exe /D /c md "C:\ProgramData\KMSAuto" | C:\Windows\System32\cmd.exe | — | LocaldZQbotQCnA.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1076 | "C:\Users\admin\AppData\LocaldZQbotQCnA.exe" | C:\Users\admin\AppData\LocaldZQbotQCnA.exe | — | KMSAuto Net.exe | |||||||||||
User: admin Company: MSFree Inc. Integrity Level: MEDIUM Description: KMSAuto Net Exit code: 3221226540 Version: 1.4.2 Modules
| |||||||||||||||
| 1264 | C:\Windows\System32\cmd.exe /D /c del /F /Q "bin.dat" | C:\Windows\System32\cmd.exe | — | LocaldZQbotQCnA.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1364 | cmd /c md "C:\Users\admin\AppData\Local\MSfree Inc" | C:\Windows\system32\cmd.exe | — | LocaldZQbotQCnA.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1876 | "C:\Users\admin\AppData\LocalYVJYOFelbg.exe" | C:\Users\admin\AppData\LocalYVJYOFelbg.exe | KMSAuto Net.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 1928 | C:\Windows\System32\cmd.exe /D /c del /F /Q "bin_x86.dat" | C:\Windows\System32\cmd.exe | — | LocaldZQbotQCnA.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2104 | C:\Windows\System32\cmd.exe /D /c del /F /Q "wzt.dat" | C:\Windows\System32\cmd.exe | — | LocaldZQbotQCnA.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2108 | "C:\Users\admin\AppData\LocaldZQbotQCnA.exe" | C:\Users\admin\AppData\LocaldZQbotQCnA.exe | KMSAuto Net.exe | ||||||||||||
User: admin Company: MSFree Inc. Integrity Level: HIGH Description: KMSAuto Net Exit code: 3221225547 Version: 1.4.2 Modules
| |||||||||||||||
| 2128 | netsh firewall add allowedprogram "C:\Users\admin\AppData\Roaming\explrer.exe" "explrer.exe" ENABLE | C:\Windows\system32\netsh.exe | — | explrer.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
| |||||||||||||||
| 2192 | C:\Windows\System32\cmd.exe /D /c del /F /Q "kmsauto.ini" | C:\Windows\System32\cmd.exe | — | LocaldZQbotQCnA.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
Total events
1 268
Read events
893
Write events
375
Delete events
0
Modification events
| (PID) Process: | (2544) KMSAuto Net.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (2544) KMSAuto Net.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (1876) LocalYVJYOFelbg.exe | Key: | HKEY_CURRENT_USER |
| Operation: | write | Name: | di |
Value: ! | |||
| (PID) Process: | (1876) LocalYVJYOFelbg.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (1876) LocalYVJYOFelbg.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (3040) explrer.exe | Key: | HKEY_CURRENT_USER |
| Operation: | write | Name: | di |
Value: ! | |||
| (PID) Process: | (2128) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\132\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2128) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\132\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\dhcpqec.dll,-100 |
Value: DHCP Quarantine Enforcement Client | |||
| (PID) Process: | (2128) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\132\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\dhcpqec.dll,-101 |
Value: Provides DHCP based enforcement for NAP | |||
| (PID) Process: | (2128) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\132\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\dhcpqec.dll,-103 |
Value: 1.0 | |||
Executable files
19
Suspicious files
2
Text files
3
Unknown types
6
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2548 | cmd.exe | C:\Users\admin\AppData\test.test | — | |
MD5:— | SHA256:— | |||
| 2108 | LocaldZQbotQCnA.exe | C:\ProgramData\KMSAuto\bin.dat | — | |
MD5:— | SHA256:— | |||
| 3480 | bin.dat | C:\ProgramData\KMSAuto\bin\KMSSS.exe.aes | — | |
MD5:— | SHA256:— | |||
| 3480 | bin.dat | C:\ProgramData\KMSAuto\bin\TunMirror.exe.aes | — | |
MD5:— | SHA256:— | |||
| 3480 | bin.dat | C:\ProgramData\KMSAuto\bin\TunMirror2.exe.aes | — | |
MD5:— | SHA256:— | |||
| 1876 | LocalYVJYOFelbg.exe | C:\Users\admin\AppData\Roaming\explrer.exe | executable | |
MD5:— | SHA256:— | |||
| 2544 | KMSAuto Net.exe | C:\Users\admin\AppData\LocalYVJYOFelbg.exe | executable | |
MD5:— | SHA256:— | |||
| 3040 | explrer.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a20d7dc1ba019f4b46365ae167e6b763.exe | executable | |
MD5:— | SHA256:— | |||
| 2108 | LocaldZQbotQCnA.exe | C:\Users\admin\AppData\Local\MSfree Inc\kmsauto.ini | text | |
MD5:B22721ECC7249380EF3032685ED19A5A | SHA256:2AC517A3388939951E5BC81489A251193C4BCB4620A9968BA0EC8F34594952D8 | |||
| 2108 | LocaldZQbotQCnA.exe | C:\ProgramData\KMSAuto\wzt.dat | executable | |
MD5:B41540F62BDE758F2FBB8BD9372CC417 | SHA256:21B5828E9B324690B1AF6352B44C4F668621EE659AB22D525D9AD175F652CB8C | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
1
Threats
1
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
DNS requests
Domain | IP | Reputation |
|---|---|---|
matador2016.no-ip.org |
| unknown |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1064 | svchost.exe | Potentially Bad Traffic | ET INFO DYNAMIC_DNS Query to a Suspicious no-ip Domain |