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| File name: | tmp.exe |
| Full analysis: | https://app.any.run/tasks/0c2d30fd-bcc7-4a13-8374-4411d86313b4 |
| 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, 06:37:17 |
| 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: | 70EB2ED7499C642C53BCB263FBF07490 |
| SHA1: | 4CAF8AD7256BFF1FA11CB7AD4956C7C6E403743C |
| SHA256: | E396754D3BD78B92EAEF2E4F8790E4084DDD84622C76D220E34AD25C69581629 |
| SSDEEP: | 1536:jeMxBzBR10MEBlxrNGS3wNw93VltPCQlS2:VNc/WQlP |
MALICIOUS
Changes settings of System certificates
- DismHost.exe (PID: 3564)
Changes the autorun value in the registry
- tmp.exe (PID: 1020)
NJRAT was detected
- DismHost.exe (PID: 3564)
Connects to CnC server
- DismHost.exe (PID: 3564)
SUSPICIOUS
Starts itself from another location
- tmp.exe (PID: 1020)
Executable content was dropped or overwritten
- tmp.exe (PID: 1020)
Drops a file with a compile date too recent
- tmp.exe (PID: 1020)
Adds / modifies Windows certificates
- DismHost.exe (PID: 3564)
INFO
Reads settings of System Certificates
- DismHost.exe (PID: 3564)
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.) (56.7) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (21.3) |
| .scr | | | Windows screen saver (10.1) |
| .dll | | | Win32 Dynamic Link Library (generic) (5) |
| .exe | | | Win32 Executable (generic) (3.4) |
EXIF
EXE
| Subsystem: | Windows GUI |
|---|---|
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0xef82 |
| UninitializedDataSize: | - |
| InitializedDataSize: | 53248 |
| CodeSize: | 53248 |
| LinkerVersion: | 11 |
| PEType: | PE32 |
| TimeStamp: | 2020:11:30 07:36:22+01:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 30-Nov-2020 06:36:22 |
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: | 2 |
| Time date stamp: | 30-Nov-2020 06:36:22 |
| 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 | 0x0000CF88 | 0x0000D000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.22605 |
.reloc | 0x00010000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0815394 |
Imports
mscoree.dll |
Total processes
36
Monitored processes
2
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 1020 | "C:\Users\admin\AppData\Local\Temp\tmp.exe" | C:\Users\admin\AppData\Local\Temp\tmp.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 3564 | "C:\Users\admin\AppData\Local\Temp\DismHost.exe" | C:\Users\admin\AppData\Local\Temp\DismHost.exe | tmp.exe | |
User: admin Integrity Level: MEDIUM | ||||
Total events
445
Read events
412
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1020 | tmp.exe | C:\Users\admin\AppData\Local\Temp\DismHost.exe | executable | |
MD5:70EB2ED7499C642C53BCB263FBF07490 | SHA256:E396754D3BD78B92EAEF2E4F8790E4084DDD84622C76D220E34AD25C69581629 | |||
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
2
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 |
|---|---|---|---|---|---|---|
— | — | 104.23.99.190:443 | pastebin.com | Cloudflare Inc | US | malicious |
3564 | DismHost.exe | 52.14.18.129:16295 | 2.tcp.ngrok.io | Amazon.com, Inc. | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
pastebin.com |
| shared |
2.tcp.ngrok.io |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potential Corporate Privacy Violation | ET POLICY DNS Query to a *.ngrok domain (ngrok.io) |
3564 | DismHost.exe | A Network Trojan was detected | MALWARE [PTsecurity] Lime-RAT (Gen.NjRAT) |
3564 | DismHost.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT/Bladabindi (Lime-RAT) |
2 ETPRO signatures available at the full report