| File name: | AsyncClient.exe |
| Full analysis: | https://app.any.run/tasks/2f50da7f-f757-4fe9-a919-7deb300c07d0 |
| Verdict: | Malicious activity |
| Analysis date: | August 08, 2020, 18:05:05 |
| 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: | FDBAD7D0B5B1371224310E7A51170DAB |
| SHA1: | 8EFEC87A5C86F7FC802CF664F4A3D4FDF8782C70 |
| SHA256: | D01AB0B3DB325021AD850B1D88D9DFF5E2FE1B178746D1536EE6529D51CFD283 |
| SSDEEP: | 768:2ujY21TBEwp/WUTQy9mo2qz1fmsd6TsPIBLo3ZO0bugRVuxapUfNylzqBDZ4x:2u821TBvD2WIVBLobb3XuxQUlwz0d4x |
MALICIOUS
No malicious indicators.SUSPICIOUS
Executed via COM
- DllHost.exe (PID: 2224)
Starts CMD.EXE for commands execution
- uninstall.exe (PID: 2736)
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: | 2560 |
| 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 | 5.6181 |
.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 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.22615 | 1171 | UNKNOWN | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
47
Monitored processes
5
Malicious processes
0
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 556 | "C:\Users\admin\AppData\Local\Temp\AsyncClient.exe" | C:\Users\admin\AppData\Local\Temp\AsyncClient.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 1008 | C:\Windows\system32\cmd.exe /c "C:\Users\admin\AppData\Local\Temp\Uninstall_Rar.Bat" | C:\Windows\system32\cmd.exe | — | uninstall.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1780 | "C:\Program Files\WinRAR\uninstall.exe" /wait | C:\Program Files\WinRAR\Uninstall.exe | — | cmd.exe | |||||||||||
User: admin Company: Alexander Roshal Integrity Level: HIGH Description: Uninstall WinRAR Exit code: 0 Version: 5.60.0 Modules
| |||||||||||||||
| 2224 | C:\Windows\system32\DllHost.exe /Processid:{FCC74B77-EC3E-4DD8-A80B-008A702075A9} | C:\Windows\system32\DllHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: COM Surrogate Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2736 | "C:\Program Files\WinRAR\uninstall.exe" | C:\Program Files\WinRAR\uninstall.exe | — | DllHost.exe | |||||||||||
User: admin Company: Alexander Roshal Integrity Level: HIGH Description: Uninstall WinRAR Exit code: 0 Version: 5.60.0 Modules
| |||||||||||||||
Total events
289
Read events
82
Write events
44
Delete events
163
Modification events
| (PID) Process: | (556) AsyncClient.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\136\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (556) 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: | (556) 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: | (556) 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: | (556) 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: | (556) 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: | (2736) uninstall.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.rar\ShellNew |
| Operation: | delete key | Name: | (default) |
Value: | |||
| (PID) Process: | (2736) uninstall.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.rar |
| Operation: | write | Name: | (default) |
Value: | |||
| (PID) Process: | (2736) uninstall.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.rar |
| Operation: | delete key | Name: | (default) |
Value: | |||
| (PID) Process: | (2736) uninstall.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.r00 |
| Operation: | delete key | Name: | (default) |
Value: | |||
Executable files
0
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2736 | uninstall.exe | C:\Users\admin\AppData\Local\Temp\Uninstall_Rar.Bat | text | |
MD5:3780A770E4B2D0A875436C94DFBB791F | SHA256:10FA6ADACA523CC5CD2D2B46FF42E63891A8E0E507EDB4C00A7930E8270F2830 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
16
DNS requests
4
Threats
2
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 |
|---|---|---|---|---|---|---|
556 | AsyncClient.exe | 10.9.154.134:7777 | — | — | — | unknown |
556 | AsyncClient.exe | 10.9.154.134:2119 | — | — | — | unknown |
556 | AsyncClient.exe | 193.161.193.99:60817 | HKAndro-60817.portmap.host | OOO Bitree Networks | RU | malicious |
556 | AsyncClient.exe | 193.161.193.99:7777 | HKAndro-60817.portmap.host | OOO Bitree Networks | RU | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
HKAndro-60817.portmap.host |
| malicious |
dns.msftncsi.com |
| shared |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1052 | svchost.exe | Potential Corporate Privacy Violation | ET POLICY DNS Query to a Reverse Proxy Service Observed |
1052 | svchost.exe | Potential Corporate Privacy Violation | ET POLICY DNS Query to a Reverse Proxy Service Observed |