| File name: | WindowsFormsApp.exe |
| Full analysis: | https://app.any.run/tasks/aa5aba09-ace6-43f4-8fa3-4a87f2ab675a |
| 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: | February 21, 2020, 17:06:36 |
| 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: | 1376451F01FA86E25BB220F83F91A487 |
| SHA1: | FDBD093D0A25B3280646AC9016B91052AFB21136 |
| SHA256: | ED4A61E5CBD471F53F53CB1EF30FD36335C840530FE0A8953C8ADB6C8E4A4C47 |
| SSDEEP: | 1536:nOEpB25FK7xKu0BJj74KAyajdl6xRgIbrgh4jx+KgYP5+TmkP887EOhO4U6af:n7Hikn0BJoKAymdl6xRlbrgWF+KgYPge |
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (63.1) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (23.8) |
| .dll | | | Win32 Dynamic Link Library (generic) (5.6) |
| .exe | | | Win32 Executable (generic) (3.8) |
| .exe | | | Generic Win/DOS Executable (1.7) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2020:02:21 18:06:25+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 89600 |
| InitializedDataSize: | 2048 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x17c3e |
| 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 |
| FileDescription: | WindowsFormsApp |
| FileVersion: | 1.0.0.0 |
| InternalName: | WindowsFormsApp.exe |
| LegalCopyright: | Copyright © 2020 |
| OriginalFileName: | WindowsFormsApp.exe |
| ProductName: | WindowsFormsApp |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 21-Feb-2020 17:06:25 |
| FileDescription: | WindowsFormsApp |
| FileVersion: | 1.0.0.0 |
| InternalName: | WindowsFormsApp.exe |
| LegalCopyright: | Copyright © 2020 |
| OriginalFilename: | WindowsFormsApp.exe |
| ProductName: | WindowsFormsApp |
| ProductVersion: | 1.0.0.0 |
| Assembly Version: | 1.0.0.0 |
| 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 |
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 21-Feb-2020 17:06:25 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00002000 | 0x00015C44 | 0x00015E00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.51302 |
.rsrc | 0x00018000 | 0x00000600 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.01381 |
.reloc | 0x0001A000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.00112 | 490 | UNKNOWN | UNKNOWN | RT_MANIFEST |
mscoree.dll |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 660 | "C:\Users\admin\AppData\Local\Temp\WindowsFormsApp.exe" | C:\Users\admin\AppData\Local\Temp\WindowsFormsApp.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: WindowsFormsApp Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| (PID) Process: | (660) WindowsFormsApp.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (660) WindowsFormsApp.exe | Key: | HKEY_CURRENT_USER\Software\D04F4D4D0DF87BA77AAE |
| Operation: | write | Name: | D04F4D4D0DF87BA77AAE |
Value: 0 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 660 | WindowsFormsApp.exe | C:\Users\admin\AppData\Local\Temp\Cab9B9C.tmp | — | |
MD5:— | SHA256:— | |||
| 660 | WindowsFormsApp.exe | C:\Users\admin\AppData\Local\Temp\Tar9B9D.tmp | — | |
MD5:— | SHA256:— | |||
| 660 | WindowsFormsApp.exe | C:\Users\admin\AppData\Local\Temp\Cab9BBD.tmp | — | |
MD5:— | SHA256:— | |||
| 660 | WindowsFormsApp.exe | C:\Users\admin\AppData\Local\Temp\Tar9BBE.tmp | — | |
MD5:— | SHA256:— | |||
| 660 | WindowsFormsApp.exe | C:\Users\admin\AppData\Local\Temp\Cab9C8A.tmp | — | |
MD5:— | SHA256:— | |||
| 660 | WindowsFormsApp.exe | C:\Users\admin\AppData\Local\Temp\Tar9C8B.tmp | — | |
MD5:— | SHA256:— | |||
| 660 | WindowsFormsApp.exe | C:\Users\admin\AppData\Local\Temp\CabAA19.tmp | — | |
MD5:— | SHA256:— | |||
| 660 | WindowsFormsApp.exe | C:\Users\admin\AppData\Local\Temp\TarAA1A.tmp | — | |
MD5:— | SHA256:— | |||
| 660 | WindowsFormsApp.exe | C:\Users\admin\AppData\Local\Temp\CabAA79.tmp | — | |
MD5:— | SHA256:— | |||
| 660 | WindowsFormsApp.exe | C:\Users\admin\AppData\Local\Temp\TarAA7A.tmp | — | |
MD5:— | SHA256:— | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
660 | WindowsFormsApp.exe | GET | 200 | 2.16.106.192:80 | http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab | unknown | compressed | 55.4 Kb | whitelisted |
660 | WindowsFormsApp.exe | GET | 304 | 2.16.106.192:80 | http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab | unknown | compressed | 55.4 Kb | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
660 | WindowsFormsApp.exe | 2.16.106.192:80 | www.download.windowsupdate.com | Akamai International B.V. | — | whitelisted |
660 | WindowsFormsApp.exe | 141.255.146.53:6606 | al3nzii.myq-see.com | Lost Oasis SARL | NL | malicious |
Domain | IP | Reputation |
|---|---|---|
al3nzii.myq-see.com |
| malicious |
www.download.windowsupdate.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
1052 | svchost.exe | Potential Corporate Privacy Violation | ET INFO Observed DNS Query to .myq-see .com DDNS Domain |
660 | WindowsFormsApp.exe | A Network Trojan was detected | MALWARE [PTsecurity] AsyncRAT |
660 | WindowsFormsApp.exe | A Network Trojan was detected | MALWARE [PTsecurity] AsyncRAT |