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| File name: | Unknown.exe |
| Full analysis: | https://app.any.run/tasks/3fcd2c96-c434-42f5-9d07-47f8815284ed |
| Verdict: | Malicious activity |
| Threats: | Ransomware is a type of malicious software that locks users out of their system or data using different methods to force them to pay a ransom. Most often, such programs encrypt files on an infected machine and demand a fee to be paid in exchange for the decryption key. Additionally, such programs can be used to steal sensitive information from the compromised computer and even conduct DDoS attacks against affected organizations to pressure them into paying. |
| Analysis date: | February 22, 2020, 08:02:49 |
| 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: | 1E474AAB4A53CC8DA246CD55228DDA46 |
| SHA1: | 108D413FEAFA17EF9D29B344156725A2C8E161B6 |
| SHA256: | C40EDA7CB9E218FF422E2152A11F1333E7B94D1E72B3C937F119EAD4DE3238B9 |
| SSDEEP: | 192:9HXHximQ//H729Y5hFoCL2vfw1dFjs77LfQ8:9HXx1Q//bv5DoI2vKbs7ffQ |
MALICIOUS
Renames files like Ransomware
- Unknown.exe (PID: 2524)
SUSPICIOUS
Creates files in the user directory
- notepad++.exe (PID: 2576)
INFO
Manual execution by user
- notepad++.exe (PID: 2576)
- rundll32.exe (PID: 3276)
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: | 2067:12:24 01:01:54+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 48 |
| CodeSize: | 9216 |
| InitializedDataSize: | 2048 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x4212 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | Unknown |
| FileVersion: | 1.0.0.0 |
| InternalName: | Unknown.exe |
| LegalCopyright: | Copyright © 2020 |
| LegalTrademarks: | - |
| OriginalFileName: | Unknown.exe |
| ProductName: | Unknown |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 17-Nov-1931 17:33:38 |
| Debug artifacts: |
|
| Comments: | - |
| CompanyName: | - |
| FileDescription: | Unknown |
| FileVersion: | 1.0.0.0 |
| InternalName: | Unknown.exe |
| LegalCopyright: | Copyright © 2020 |
| LegalTrademarks: | - |
| OriginalFilename: | Unknown.exe |
| ProductName: | Unknown |
| ProductVersion: | 1.0.0.0 |
| Assembly Version: | 1.0.0.0 |
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: | 17-Nov-1931 17:33:38 |
| 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 | 0x00002318 | 0x00002400 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.71296 |
.rsrc | 0x00006000 | 0x0000059C | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.04818 |
.reloc | 0x00008000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0815394 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.00112 | 490 | UNKNOWN | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
37
Monitored processes
4
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 2524 | "C:\Users\admin\Desktop\Unknown.exe" | C:\Users\admin\Desktop\Unknown.exe | — | explorer.exe |
User: admin Integrity Level: MEDIUM Description: Unknown Exit code: 0 Version: 1.0.0.0 | ||||
| 3276 | "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\admin\Desktop\updaterace.png.Encrypted | C:\Windows\system32\rundll32.exe | — | explorer.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 2576 | "C:\Program Files\Notepad++\notepad++.exe" "C:\Users\admin\Desktop\ringtonescross.rtf.Encrypted" | C:\Program Files\Notepad++\notepad++.exe | explorer.exe | |
User: admin Company: Don HO [email protected] Integrity Level: MEDIUM Description: Notepad++ : a free (GNU) source code editor Exit code: 0 Version: 7.51 | ||||
| 1412 | "C:\Program Files\Notepad++\updater\gup.exe" -v7.51 | C:\Program Files\Notepad++\updater\gup.exe | notepad++.exe | |
User: admin Company: Don HO [email protected] Integrity Level: MEDIUM Description: GUP : a free (LGPL) Generic Updater Exit code: 0 Version: 4.1 | ||||
Total events
137
Read events
123
Write events
14
Delete events
0
Modification events
| (PID) Process: | (2576) notepad++.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2576) notepad++.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (2576) notepad++.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
Executable files
0
Suspicious files
25
Text files
6
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2524 | Unknown.exe | C:\Users\admin\Pictures\expectedfigure.png | — | |
MD5:— | SHA256:— | |||
| 2524 | Unknown.exe | C:\Users\admin\Pictures\happynext.png | — | |
MD5:— | SHA256:— | |||
| 2524 | Unknown.exe | C:\Users\admin\Pictures\regionpublishing.jpg | — | |
MD5:— | SHA256:— | |||
| 2524 | Unknown.exe | C:\Users\admin\Pictures\successfulincrease.jpg | — | |
MD5:— | SHA256:— | |||
| 2524 | Unknown.exe | C:\Users\admin\Documents\additionyork.rtf | — | |
MD5:— | SHA256:— | |||
| 2524 | Unknown.exe | C:\Users\admin\Documents\christianexternal.rtf | — | |
MD5:— | SHA256:— | |||
| 2524 | Unknown.exe | C:\Users\admin\Documents\publicgroup.rtf | — | |
MD5:— | SHA256:— | |||
| 2524 | Unknown.exe | C:\Users\admin\Documents\servicecontent.rtf | — | |
MD5:— | SHA256:— | |||
| 2524 | Unknown.exe | C:\Users\Public\Pictures\Sample Pictures\Chrysanthemum.jpg | — | |
MD5:— | SHA256:— | |||
| 2524 | Unknown.exe | C:\Users\Public\Pictures\Sample Pictures\Desert.jpg | — | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
2
DNS requests
2
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 93.184.220.29:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA%2Fz5hY5qj0aEmX0H4s05bY%3D | US | der | 1.47 Kb | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 93.184.220.29:80 | ocsp.digicert.com | MCI Communications Services, Inc. d/b/a Verizon Business | US | whitelisted |
1412 | gup.exe | 104.31.89.28:443 | notepad-plus-plus.org | Cloudflare Inc | US | shared |
DNS requests
Domain | IP | Reputation |
|---|---|---|
notepad-plus-plus.org |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
Threats
Process | Message |
|---|---|
notepad++.exe | VerifyLibrary: C:\Program Files\Notepad++\SciLexer.dll
|
notepad++.exe | VerifyLibrary: certificate revocation checking is disabled
|
notepad++.exe | 42C4C5846BB675C74E2B2C90C69AB44366401093
|