| File name: | dwm.exe |
| Full analysis: | https://app.any.run/tasks/71794a9d-5a7b-4ccc-8510-40295da5d043 |
| Verdict: | Malicious activity |
| Analysis date: | July 31, 2022, 19:30:54 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 6C87FF2A050079A761FC67EE117C18C1 |
| SHA1: | E4B8A2F61FC2A14F236090408E3E4B0A8D46507F |
| SHA256: | 843702050A294A4E636D06238BF928CC9286C5AF6A59EE184F019596652C0289 |
| SSDEEP: | 768:N23T1VRKeVf4aKSI50Rp03VKsQhLOnJXAU:gjFtEQ1OJXAU |
MALICIOUS
Writes to a start menu file
- dwm.exe (PID: 2844)
Changes the autorun value in the registry
- dwm.exe (PID: 2844)
Drops executable file immediately after starts
- dwm.exe (PID: 2844)
SUSPICIOUS
Checks supported languages
- dwm.exe (PID: 2844)
Reads the computer name
- dwm.exe (PID: 2844)
Drops a file with a compile date too recent
- dwm.exe (PID: 2844)
Executable content was dropped or overwritten
- dwm.exe (PID: 2844)
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.) (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
| AssemblyVersion: | 1.0.0.0 |
|---|---|
| ProductVersion: | 1.0.0.0 |
| OriginalFileName: | XWormClient.exe |
| LegalCopyright: | |
| InternalName: | XWormClient.exe |
| FileVersion: | 1.0.0.0 |
| FileDescription: | |
| CharacterSet: | Unicode |
| LanguageCode: | Neutral |
| FileSubtype: | - |
| ObjectFileType: | Executable application |
| FileOS: | Win32 |
| FileFlags: | (none) |
| FileFlagsMask: | 0x003f |
| ProductVersionNumber: | 1.0.0.0 |
| FileVersionNumber: | 1.0.0.0 |
| Subsystem: | Windows GUI |
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0xb88e |
| UninitializedDataSize: | - |
| InitializedDataSize: | 2048 |
| CodeSize: | 39424 |
| LinkerVersion: | 11 |
| PEType: | PE32 |
| TimeStamp: | 2022:07:10 01:59:02+02:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 09-Jul-2022 23:59:02 |
| FileDescription: | - |
| FileVersion: | 1.0.0.0 |
| InternalName: | XWormClient.exe |
| LegalCopyright: | - |
| OriginalFilename: | XWormClient.exe |
| 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: | 09-Jul-2022 23:59:02 |
| 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 | 0x00009894 | 0x00009A00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.62611 |
.rsrc | 0x0000C000 | 0x000004E8 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.75487 |
.reloc | 0x0000E000 | 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
33
Monitored processes
1
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2844 | "C:\Users\admin\AppData\Local\Temp\dwm.exe" | C:\Users\admin\AppData\Local\Temp\dwm.exe | Explorer.EXE | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
Total events
197
Read events
196
Write events
1
Delete events
0
Modification events
| (PID) Process: | (2844) dwm.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | dwm |
Value: C:\Users\admin\AppData\Roaming\dwm.exe | |||
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2844 | dwm.exe | C:\Users\admin\AppData\Roaming\dwm.exe | executable | |
MD5:— | SHA256:— | |||
| 2844 | dwm.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dwm.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
25
DNS requests
1
Threats
1
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 |
|---|---|---|---|---|---|---|
— | — | 138.197.189.80:7766 | lime.portmap.host | Digital Ocean, Inc. | DE | malicious |
2844 | dwm.exe | 138.197.189.80:7766 | lime.portmap.host | Digital Ocean, Inc. | DE | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
lime.portmap.host |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potential Corporate Privacy Violation | ET POLICY DNS Query to a Reverse Proxy Service Observed |