File name: | AsyncClient.exe |
Full analysis: | https://app.any.run/tasks/46f1da11-d6bc-4142-8cf8-8b36c923c7e3 |
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: | April 01, 2023, 09:31:31 |
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: | 5234019C13209B67B6BE43278EA50A23 |
SHA1: | 63A10D8B797A256945F16761D2683EB34A6C0863 |
SHA256: | 6DE6DA13A518C92F77C4C079C14D33EF40B78A1BA59A49EFCCD479602E94E4AE |
SSDEEP: | 768:LuScq5TAYGTqWU8j+zmo2qLzKjGKG6PIyzjbFgX3iEQu/Po0aBDZbx:LuScq5TA5c2eKYDy3bCXSyXnEdbx |
.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) |
AssemblyVersion: | 1.0.0.0 |
---|---|
ProductVersion: | 1.0.0.0 |
ProductName: | - |
OriginalFileName: | Stub.exe |
LegalTrademarks: | - |
LegalCopyright: | - |
InternalName: | Stub.exe |
FileVersion: | 1.0.0.0 |
FileDescription: | - |
CompanyName: | - |
Comments: | - |
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: | 0xc76e |
UninitializedDataSize: | - |
InitializedDataSize: | 2560 |
CodeSize: | 43008 |
LinkerVersion: | 8 |
PEType: | PE32 |
ImageFileCharacteristics: | Executable, 32-bit |
TimeStamp: | 2020:05:10 05:24:51+00:00 |
MachineType: | Intel 386 or later, and compatibles |
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 |
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: | 10-May-2020 05:24:51 |
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 | 0x0000A774 | 0x0000A800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.50833 |
.rsrc | 0x0000E000 | 0x000007FF | 0x00000800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.88507 |
.reloc | 0x00010000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0815394 |
Title | Entropy | Size | Codepage | Language | Type |
---|---|---|---|---|---|
1 | 5.22615 | 1171 | UNKNOWN | UNKNOWN | RT_MANIFEST |
mscoree.dll |
PID | CMD | Path | Indicators | Parent process | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2588 | "C:\Users\admin\Desktop\AsyncClient.exe" | C:\Users\admin\Desktop\AsyncClient.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Version: 1.0.0.0 Modules
AsyncRat(PID) Process(2588) AsyncClient.exe Keys AES48815e10eabd48b42bf18076df5fe246481ba53e03c8bc3ebfd289d27d5834b3 Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941 Certificates Cert1MIIE8jCCAtqgAwIBAgIQANvmXQ6HRZcVJVzDXLlKqzANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjMwMzMwMDkyNDA4WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAILb3mT1/Edq5h+qvms6Dbog1c9Uuuh/FutZTnq5E/8JZcGeOs91ddGZxR0lJgsU6PP/NflKPXve... Server_SignatureS/JJ5bAGOqSRJbxoBa+For3DE5790DdoT60H/a3eEZKYFNDMk8MbvCEf6netmz3ebnS8l/rNLceCuLRkK+6lmwq2MME1+7Jb51KGCJLlwNrnMqUqO2qnUXjzaVFUniUAR6qNQNKm3Nj+IdJmoTOx3ENYSpppXQkAUg8s08N8WAJZkZHuYUcZYrx4J87kWIZnTea4VhZ38jVrgZWN9yK6YbvRs5KRkVWCM7lETAP7B78qx2MaFpXBb+F0i2QjZ8e0/lqU3+sUt8lBRMs4kxakWmqAcKjsBL4tzO8jSBlsCf0k... Options AutoRunfalse MutexAsyncMutex_6SI8OkPnk InstallFolder%AppData% BSoDfalse AntiVMfalse Version0.5.7B BotnetDefault Ports (4)6606 7707 8808 15146 C2 (2)127.0.0.1 6.tcp.eu.ngrok.io |
(PID) Process: | (2588) AsyncClient.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16D\52C64B7E |
Operation: | write | Name: | LanguageList |
Value: en-US |
PID | Process | IP | Domain | ASN | CN | Reputation |
---|---|---|---|---|---|---|
2588 | AsyncClient.exe | 3.68.171.119:15146 | 6.tcp.eu.ngrok.io | AMAZON-02 | DE | malicious |
Domain | IP | Reputation |
---|---|---|
6.tcp.eu.ngrok.io |
| malicious |
PID | Process | Class | Message |
---|---|---|---|
— | — | Potential Corporate Privacy Violation | ET INFO DNS Query to a *.ngrok domain (ngrok.io) |
— | — | Potential Corporate Privacy Violation | ET INFO DNS Query to a *.ngrok domain (ngrok.io) |