File name: | AsyncClient.exe |
Full analysis: | https://app.any.run/tasks/ee1adee5-481f-4648-b009-b737026eaaf5 |
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, 17:08:10 |
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: | 08390E31A7B39201D7E4F9E9F5FEE8DE |
SHA1: | DE954065080F33FA524A75ED5B495CE8B53CB46B |
SHA256: | 20B98F56DC1CBFACFD0C3908545088BBC62E2E513D4AF2C677FDC9178B1A39F0 |
SSDEEP: | 768:8uqc9T944nD5WUxiVDmo2qrvcbnBi6SPIXn3LiMUodRq0b+wI4fF4LHjePgB/aqT:8uqc9T9xy2VBZ7Xn3LiIrb+7Q4LHjeot |
.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) |
MachineType: | Intel 386 or later, and compatibles |
---|---|
TimeStamp: | 2020:05:10 07:24:51+02:00 |
PEType: | PE32 |
LinkerVersion: | 8 |
CodeSize: | 45568 |
InitializedDataSize: | 3072 |
UninitializedDataSize: | - |
EntryPoint: | 0xd0ce |
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: | Savio Exploit |
FileVersion: | 1.0.0.0 |
InternalName: | Savio Exploit.exe |
LegalCopyright: | Copyright © 2020 |
LegalTrademarks: | - |
OriginalFileName: | Savio Exploit.exe |
ProductName: | Savio AIM |
ProductVersion: | 1.0.0.0 |
AssemblyVersion: | 1.0.0.0 |
Architecture: | IMAGE_FILE_MACHINE_I386 |
---|---|
Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
Compilation Date: | 10-May-2020 05:24:51 |
Comments: | - |
CompanyName: | - |
FileDescription: | Savio Exploit |
FileVersion: | 1.0.0.0 |
InternalName: | Savio Exploit.exe |
LegalCopyright: | Copyright © 2020 |
LegalTrademarks: | - |
OriginalFilename: | Savio Exploit.exe |
ProductName: | Savio AIM |
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 | 0x0000B0D4 | 0x0000B200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.62433 |
.rsrc | 0x0000E000 | 0x00000868 | 0x00000A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.12353 |
.reloc | 0x00010000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0776332 |
Title | Entropy | Size | Codepage | Language | Type |
---|---|---|---|---|---|
1 | 5.22615 | 1171 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
mscoree.dll |
PID | CMD | Path | Indicators | Parent process |
---|---|---|---|---|
996 | "C:\Users\admin\AppData\Local\Temp\AsyncClient.exe" | C:\Users\admin\AppData\Local\Temp\AsyncClient.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Description: Savio Exploit Exit code: 1073807364 Version: 1.0.0.0 |
(PID) Process: | (996) AsyncClient.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\136\52C64B7E |
Operation: | write | Name: | LanguageList |
Value: en-US | |||
(PID) Process: | (996) AsyncClient.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\136\52C64B7E |
Operation: | write | Name: | @%SystemRoot%\system32\p2pcollab.dll,-8042 |
Value: Peer to Peer Trust | |||
(PID) Process: | (996) AsyncClient.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\136\52C64B7E |
Operation: | write | Name: | @%SystemRoot%\system32\qagentrt.dll,-10 |
Value: System Health Authentication | |||
(PID) Process: | (996) AsyncClient.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\136\52C64B7E |
Operation: | write | Name: | @%SystemRoot%\system32\dnsapi.dll,-103 |
Value: Domain Name System (DNS) Server Trust | |||
(PID) Process: | (996) AsyncClient.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\136\52C64B7E |
Operation: | write | Name: | @%SystemRoot%\System32\fveui.dll,-843 |
Value: BitLocker Drive Encryption | |||
(PID) Process: | (996) AsyncClient.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\136\52C64B7E |
Operation: | write | Name: | @%SystemRoot%\System32\fveui.dll,-844 |
Value: BitLocker Data Recovery Agent |
PID | Process | Filename | Type | |
---|---|---|---|---|
996 | AsyncClient.exe | C:\Users\admin\AppData\Local\Temp\Cab7B94.tmp | — | |
MD5:— | SHA256:— | |||
996 | AsyncClient.exe | C:\Users\admin\AppData\Local\Temp\Tar7B95.tmp | — | |
MD5:— | SHA256:— | |||
996 | AsyncClient.exe | C:\Users\admin\AppData\Local\Temp\Cab7BB5.tmp | — | |
MD5:— | SHA256:— | |||
996 | AsyncClient.exe | C:\Users\admin\AppData\Local\Temp\Tar7BB6.tmp | — | |
MD5:— | SHA256:— | |||
996 | AsyncClient.exe | C:\Users\admin\AppData\Local\Temp\Cab7CC1.tmp | — | |
MD5:— | SHA256:— | |||
996 | AsyncClient.exe | C:\Users\admin\AppData\Local\Temp\Tar7CC2.tmp | — | |
MD5:— | SHA256:— | |||
996 | AsyncClient.exe | C:\Users\admin\AppData\Local\Temp\Cab7D21.tmp | — | |
MD5:— | SHA256:— | |||
996 | AsyncClient.exe | C:\Users\admin\AppData\Local\Temp\Tar7D22.tmp | — | |
MD5:— | SHA256:— | |||
996 | AsyncClient.exe | C:\Users\admin\AppData\Local\Temp\Cab7D90.tmp | — | |
MD5:— | SHA256:— | |||
996 | AsyncClient.exe | C:\Users\admin\AppData\Local\Temp\Tar7D91.tmp | — | |
MD5:— | SHA256:— |
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
---|---|---|---|---|---|---|---|---|---|
996 | AsyncClient.exe | GET | 304 | 2.16.186.81:80 | http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab | unknown | compressed | 56.7 Kb | whitelisted |
996 | AsyncClient.exe | GET | 200 | 2.16.186.81:80 | http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab | unknown | compressed | 56.7 Kb | whitelisted |
996 | AsyncClient.exe | GET | 304 | 2.16.186.81:80 | http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab | unknown | compressed | 56.7 Kb | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
---|---|---|---|---|---|---|
996 | AsyncClient.exe | 2.16.186.81:80 | www.download.windowsupdate.com | Akamai International B.V. | — | whitelisted |
996 | AsyncClient.exe | 193.161.193.99:60817 | HKAndro-60817.portmap.host | OOO Bitree Networks | RU | malicious |
Domain | IP | Reputation |
---|---|---|
HKAndro-60817.portmap.host |
| malicious |
www.download.windowsupdate.com |
| whitelisted |
PID | Process | Class | Message |
---|---|---|---|
— | — | Potential Corporate Privacy Violation | ET POLICY DNS Query to a Reverse Proxy Service Observed |
996 | AsyncClient.exe | Misc Attack | ET TOR Known Tor Relay/Router (Not Exit) Node Traffic group 316 |
996 | AsyncClient.exe | A Network Trojan was detected | MALWARE [PTsecurity] AsyncRAT |
996 | AsyncClient.exe | A Network Trojan was detected | MALWARE [PTsecurity] AsyncRAT |