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| File name: | Desudo.exe |
| Full analysis: | https://app.any.run/tasks/31aed39b-f5af-4882-9aa3-4357f95ca1a5 |
| Verdict: | Malicious activity |
| Threats: | AsyncRAT is a RAT that can monitor and remotely control infected systems. This malware was introduced on Github as a legitimate open-source remote administration software, but hackers use it for its many powerful malicious functions. |
| Analysis date: | August 08, 2020, 17:37:59 |
| 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: | 94574D9B44506B4BDC5B15304DB22EE9 |
| SHA1: | 2EDD1CD33DB728E5F966A909FE83B8426641480F |
| SHA256: | 89CC099D4D33ED519F87E802388C12E840EF6F73F743ACADE713D8BA3940AD94 |
| SSDEEP: | 1536:7u1a21T3xN27Ckz08bZyBLlrtEbdBYb10x:7uc6T3xN2ukRbZWtEb3zx |
MALICIOUS
Changes the autorun value in the registry
- Desudo.exe (PID: 2852)
ASYNCRAT was detected
- System.exe (PID: 964)
SUSPICIOUS
Creates files in the user directory
- Desudo.exe (PID: 2852)
Starts CMD.EXE for commands execution
- Desudo.exe (PID: 2852)
- System.exe (PID: 964)
Executable content was dropped or overwritten
- Desudo.exe (PID: 2852)
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.) (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: | 2020:05:10 07:24:51+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 45568 |
| InitializedDataSize: | 102912 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xd0ae |
| 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: | - |
| FileVersion: | 1.0.0.0 |
| InternalName: | Stub.exe |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFileName: | Stub.exe |
| ProductName: | - |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 10-May-2020 05:24:51 |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | - |
| FileVersion: | 1.0.0.0 |
| InternalName: | Stub.exe |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFilename: | Stub.exe |
| ProductName: | - |
| 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: | 10-May-2020 05:24:51 |
| 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 | 0x0000B0B4 | 0x0000B200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.6152 |
.rsrc | 0x0000E000 | 0x00018EA4 | 0x00019000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.1391 |
.reloc | 0x00028000 | 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 | 5.22615 | 1171 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
2 | 3.90673 | 4264 | Latin 1 / Western European | UNKNOWN | RT_ICON |
3 | 4.13526 | 9640 | Latin 1 / Western European | UNKNOWN | RT_ICON |
4 | 3.04508 | 16936 | Latin 1 / Western European | UNKNOWN | RT_ICON |
5 | 2.4657 | 67624 | Latin 1 / Western European | UNKNOWN | RT_ICON |
Imports
mscoree.dll |
Total processes
44
Monitored processes
6
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 2852 | "C:\Users\admin\AppData\Local\Temp\Desudo.exe" | C:\Users\admin\AppData\Local\Temp\Desudo.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 1.0.0.0 | ||||
| 3104 | cmd /c ""C:\Users\admin\AppData\Local\Temp\tmpF636.tmp.bat"" | C:\Windows\system32\cmd.exe | — | Desudo.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 2180 | timeout 3 | C:\Windows\system32\timeout.exe | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: timeout - pauses command processing Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 964 | "C:\Users\admin\AppData\Roaming\System.exe" | C:\Users\admin\AppData\Roaming\System.exe | cmd.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 1.0.0.0 | ||||
| 3908 | cmd /c ""C:\Users\admin\AppData\Local\Temp\tmp9C28.tmp.bat"" | C:\Windows\system32\cmd.exe | — | System.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 2744 | timeout 3 | C:\Windows\system32\timeout.exe | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: timeout - pauses command processing Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
68
Read events
40
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
5
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 964 | System.exe | C:\Users\admin\AppData\Local\Temp\Cab4511.tmp | — | |
MD5:— | SHA256:— | |||
| 964 | System.exe | C:\Users\admin\AppData\Local\Temp\Tar4512.tmp | — | |
MD5:— | SHA256:— | |||
| 964 | System.exe | C:\Users\admin\AppData\Local\Temp\Cab4532.tmp | — | |
MD5:— | SHA256:— | |||
| 964 | System.exe | C:\Users\admin\AppData\Local\Temp\Tar4533.tmp | — | |
MD5:— | SHA256:— | |||
| 964 | System.exe | C:\Users\admin\AppData\Local\Temp\Cab45A2.tmp | — | |
MD5:— | SHA256:— | |||
| 964 | System.exe | C:\Users\admin\AppData\Local\Temp\Tar45B2.tmp | — | |
MD5:— | SHA256:— | |||
| 964 | System.exe | C:\Users\admin\AppData\Local\Temp\Cab4611.tmp | — | |
MD5:— | SHA256:— | |||
| 964 | System.exe | C:\Users\admin\AppData\Local\Temp\Tar4612.tmp | — | |
MD5:— | SHA256:— | |||
| 964 | System.exe | C:\Users\admin\AppData\Local\Temp\Cab4642.tmp | — | |
MD5:— | SHA256:— | |||
| 964 | System.exe | C:\Users\admin\AppData\Local\Temp\Tar4643.tmp | — | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
3
DNS requests
1
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
964 | System.exe | GET | 200 | 2.16.186.56:80 | http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab | unknown | compressed | 56.7 Kb | whitelisted |
964 | System.exe | GET | 304 | 2.16.186.56:80 | http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab | unknown | compressed | 56.7 Kb | whitelisted |
964 | System.exe | GET | 304 | 2.16.186.56:80 | http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab | unknown | compressed | 56.7 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 |
|---|---|---|---|---|---|---|
964 | System.exe | 37.223.156.202:1605 | — | Vodafone Spain | ES | malicious |
964 | System.exe | 2.16.186.56:80 | www.download.windowsupdate.com | Akamai International B.V. | — | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
www.download.windowsupdate.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
964 | System.exe | A Network Trojan was detected | MALWARE [PTsecurity] AsyncRAT |
964 | System.exe | A Network Trojan was detected | MALWARE [PTsecurity] AsyncRAT |
964 | System.exe | A Network Trojan was detected | MALWARE [PTsecurity] AsyncRAT |
964 | System.exe | A Network Trojan was detected | MALWARE [PTsecurity] AsyncRAT |
2 ETPRO signatures available at the full report