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| File name: | New Client2.exe |
| Full analysis: | https://app.any.run/tasks/859c3b1e-8d62-44f0-aced-59b44739859b |
| 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 23, 2019, 04:49:49 |
| 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: | B1CFD654B1FD06A34562FF801B385B47 |
| SHA1: | 76879F9F84868E66B7B108F907B58983A813E1D6 |
| SHA256: | CAE3A1BA5A4326ED0CB87BA2CAAA9A9BF7AD021919FA12D55B6E8A4887096B21 |
| SSDEEP: | 3072:eXgnCG9jOWOi8kUj/qWHpFnBQZvNH3mkl0mOlylll+ilkHmllillll+mNllllsX7:vEko59QZmFzIbohy |
MALICIOUS
Loads the Task Scheduler COM API
- schtasks.exe (PID: 128)
- schtasks.exe (PID: 2596)
- schtasks.exe (PID: 996)
- schtasks.exe (PID: 3428)
Uses Task Scheduler to run other applications
- New Client2.exe (PID: 2956)
- Skype.exe (PID: 2488)
Changes the autorun value in the registry
- Skype.exe (PID: 2488)
Writes to a start menu file
- Skype.exe (PID: 2488)
NJRAT was detected
- Skype.exe (PID: 2488)
Connects to CnC server
- Skype.exe (PID: 2488)
SUSPICIOUS
Executable content was dropped or overwritten
- New Client2.exe (PID: 2956)
- Skype.exe (PID: 2488)
Starts itself from another location
- New Client2.exe (PID: 2956)
Creates files in the user directory
- Skype.exe (PID: 2488)
Connects to unusual port
- Skype.exe (PID: 2488)
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.) (45.1) |
|---|---|---|
| .exe | | | Win32 Executable MS Visual C++ (generic) (19.2) |
| .exe | | | Win64 Executable (generic) (17) |
| .scr | | | Windows screen saver (8) |
| .dll | | | Win32 Dynamic Link Library (generic) (4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:01:23 05:48:56+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 159232 |
| InitializedDataSize: | 2560 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x28dbe |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 23-Jan-2019 04:48:56 |
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: | 4 |
| Time date stamp: | 23-Jan-2019 04:48:56 |
| 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 | 0x00026DC4 | 0x00026E00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.03068 |
.sdata | 0x0002A000 | 0x00000318 | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 5.94135 |
.rsrc | 0x0002C000 | 0x00000240 | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.5389 |
.reloc | 0x0002E000 | 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 | 4.96801 | 487 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
41
Monitored processes
6
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 2956 | "C:\Users\admin\AppData\Local\Temp\New Client2.exe" | C:\Users\admin\AppData\Local\Temp\New Client2.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 128 | schtasks /Delete /tn NYAN /F | C:\Windows\system32\schtasks.exe | — | New Client2.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 2596 | schtasks /create /tn NYAN /tr "C:\Users\admin\AppData\Local\Temp\New Client2.exe" /sc minute /mo 1 | C:\Windows\system32\schtasks.exe | — | New Client2.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) | ||||
| 2488 | "C:\Users\admin\AppData\Local\Temp\Skype.exe" | C:\Users\admin\AppData\Local\Temp\Skype.exe | New Client2.exe | |
User: admin Integrity Level: MEDIUM | ||||
| 3428 | schtasks /Delete /tn NYAN /F | C:\Windows\system32\schtasks.exe | — | Skype.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) | ||||
| 996 | schtasks /create /tn NYAN /tr "C:\Users\admin\AppData\Local\Temp\Skype.exe" /sc minute /mo 1 | C:\Windows\system32\schtasks.exe | — | Skype.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) | ||||
Total events
412
Read events
394
Write events
0
Delete events
0
Modification events
Executable files
2
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2488 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Skype.exe | executable | |
MD5:B1CFD654B1FD06A34562FF801B385B47 | SHA256:CAE3A1BA5A4326ED0CB87BA2CAAA9A9BF7AD021919FA12D55B6E8A4887096B21 | |||
| 2488 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Services.url | text | |
MD5:D5B371D17D7232A46AE95AC7965CE637 | SHA256:208AAD6B26669B0952DE5691F25484D67FC8B2EC8D85123445C4BA7CD505003B | |||
| 2956 | New Client2.exe | C:\Users\admin\AppData\Local\Temp\Skype.exe | executable | |
MD5:B1CFD654B1FD06A34562FF801B385B47 | SHA256:CAE3A1BA5A4326ED0CB87BA2CAAA9A9BF7AD021919FA12D55B6E8A4887096B21 | |||
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 |
|---|---|---|---|---|---|---|
2488 | Skype.exe | 186.139.21.71:1800 | mcafee.myftp.org | CABLEVISION S.A. | AR | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
mcafee.myftp.org |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2488 | Skype.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT.Gen RAT outbound connection |
1 ETPRO signatures available at the full report