File name: | Client-install.exe |
Full analysis: | https://app.any.run/tasks/47609cb2-f76c-4cf4-8db1-a474e752c061 |
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: | December 06, 2019, 22:44:09 |
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: | EB6B4DDE2BD137C46FB83DC987041CC6 |
SHA1: | 4A5F081762135374A6961E997D55864DBC92D879 |
SHA256: | 9C59D88AEBD140D7D9741AF24E02F3981116D3088198D56FC187CCA4E4B9355A |
SSDEEP: | 768:ixP8mT8D6flCfGGCMUqhtdtxd63VM0bUzwzpMYZsxJTySvbgKdKdtYcFmVc6K:W0BfCqhtrAdbUz8pMYsJTdPdK1mVcl |
.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: | 2086:10:22 21:35:34+02:00 |
PEType: | PE32 |
LinkerVersion: | 48 |
CodeSize: | 45056 |
InitializedDataSize: | 5120 |
UninitializedDataSize: | - |
EntryPoint: | 0xcf1e |
OSVersion: | 4 |
ImageVersion: | - |
SubsystemVersion: | 4 |
Subsystem: | Windows GUI |
FileVersionNumber: | 0.73.0.0 |
ProductVersionNumber: | 0.73.0.0 |
FileFlagsMask: | 0x003f |
FileFlags: | (none) |
FileOS: | Win32 |
ObjectFileType: | Executable application |
FileSubtype: | - |
LanguageCode: | Neutral |
CharacterSet: | Unicode |
Comments: | - |
CompanyName: | Simon Tatham |
FileDescription: | SSH, Telnet and Rlogin client |
FileVersion: | 0.73.0.0 |
InternalName: | PuTTY |
LegalCopyright: | Copyright © 1997-2019 Simon Tatham. |
LegalTrademarks: | - |
OriginalFileName: | PuTTY |
ProductName: | PuTTY suite |
ProductVersion: | 0.73.0.0 |
AssemblyVersion: | 0.73.0.0 |
Architecture: | IMAGE_FILE_MACHINE_I386 |
---|---|
Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
Compilation Date: | 16-Sep-1950 13:07:18 |
Comments: | - |
CompanyName: | Simon Tatham |
FileDescription: | SSH, Telnet and Rlogin client |
FileVersion: | 0.73.0.0 |
InternalName: | PuTTY |
LegalCopyright: | Copyright © 1997-2019 Simon Tatham. |
LegalTrademarks: | - |
OriginalFilename: | PuTTY |
ProductName: | PuTTY suite |
ProductVersion: | 0.73.0.0 |
Assembly Version: | 0.73.0.0 |
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: | 16-Sep-1950 13:07:18 |
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 | 0x0000AF24 | 0x0000B000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.71889 |
.rsrc | 0x0000E000 | 0x0000105C | 0x00001200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.23579 |
.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 | 5.01077 | 3146 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
mscoree.dll |
PID | CMD | Path | Indicators | Parent process |
---|---|---|---|---|
2852 | "C:\Users\admin\AppData\Local\Temp\Client-install.exe" | C:\Users\admin\AppData\Local\Temp\Client-install.exe | explorer.exe | |
User: admin Company: Simon Tatham Integrity Level: MEDIUM Description: SSH, Telnet and Rlogin client Exit code: 0 Version: 0.73.0.0 | ||||
1316 | cmd /c ""C:\Users\admin\AppData\Local\Temp\tmp239F.tmp.bat"" | C:\Windows\system32\cmd.exe | — | Client-install.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) | ||||
3788 | 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) | ||||
2040 | "C:\Users\admin\AppData\Roaming\putty.exe" | C:\Users\admin\AppData\Roaming\putty.exe | cmd.exe | |
User: admin Company: Simon Tatham Integrity Level: MEDIUM Description: SSH, Telnet and Rlogin client Version: 0.73.0.0 |
(PID) Process: | (2852) Client-install.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
Operation: | write | Name: | LanguageList |
Value: en-US | |||
(PID) Process: | (2852) Client-install.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
Operation: | write | Name: | @%SystemRoot%\system32\p2pcollab.dll,-8042 |
Value: Peer to Peer Trust | |||
(PID) Process: | (2852) Client-install.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
Operation: | write | Name: | @%SystemRoot%\system32\qagentrt.dll,-10 |
Value: System Health Authentication | |||
(PID) Process: | (2852) Client-install.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
Operation: | write | Name: | @%SystemRoot%\system32\dnsapi.dll,-103 |
Value: Domain Name System (DNS) Server Trust | |||
(PID) Process: | (2852) Client-install.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
Operation: | write | Name: | @%SystemRoot%\System32\fveui.dll,-843 |
Value: BitLocker Drive Encryption | |||
(PID) Process: | (2852) Client-install.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
Operation: | write | Name: | @%SystemRoot%\System32\fveui.dll,-844 |
Value: BitLocker Data Recovery Agent | |||
(PID) Process: | (2852) Client-install.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
Operation: | write | Name: | putty |
Value: "C:\Users\admin\AppData\Roaming\putty.exe" | |||
(PID) Process: | (2040) putty.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
Operation: | write | Name: | LanguageList |
Value: en-US | |||
(PID) Process: | (2040) putty.exe | Key: | HKEY_CURRENT_USER\Software\D04F4D4D0DF87BA77AAE |
Operation: | write | Name: | D04F4D4D0DF87BA77AAE |
Value: 0 |
PID | Process | Filename | Type | |
---|---|---|---|---|
2852 | Client-install.exe | C:\Users\admin\AppData\Roaming\putty.exe | — | |
MD5:— | SHA256:— | |||
2040 | putty.exe | C:\Users\admin\AppData\Local\Temp\Cab5BA7.tmp | — | |
MD5:— | SHA256:— | |||
2040 | putty.exe | C:\Users\admin\AppData\Local\Temp\Tar5BA8.tmp | — | |
MD5:— | SHA256:— | |||
2040 | putty.exe | C:\Users\admin\AppData\Local\Temp\Cab5BC8.tmp | — | |
MD5:— | SHA256:— | |||
2040 | putty.exe | C:\Users\admin\AppData\Local\Temp\Tar5BC9.tmp | — | |
MD5:— | SHA256:— | |||
2040 | putty.exe | C:\Users\admin\AppData\Local\Temp\Cab5C57.tmp | — | |
MD5:— | SHA256:— | |||
2040 | putty.exe | C:\Users\admin\AppData\Local\Temp\Tar5C58.tmp | — | |
MD5:— | SHA256:— | |||
2852 | Client-install.exe | C:\Users\admin\AppData\Local\Temp\tmp239F.tmp.bat | text | |
MD5:00C8B2DF321D951019D3982342F8E9DF | SHA256:6AA8FBC646BE6BB11049FA7410D5787E61E98B0A48BCA1638C010A3DFD136492 | |||
2040 | putty.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015 | binary | |
MD5:2AAECC109C1F96F5A5F5FACDA3D2BDA1 | SHA256:6CD180309053D3B1DE9F960A2BF6C1EDC542D3EEFE872E9C6A367BCBD106BD22 | |||
2040 | putty.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015 | compressed | |
MD5:5AD071A3917588E8CD883B123B395B21 | SHA256:DE62965C15528DA598B0079D2D20D953DD6F71B13A23807BFF0666D03F69C0FA |
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
---|---|---|---|---|---|---|---|---|---|
2040 | putty.exe | GET | 200 | 205.185.216.42:80 | http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab | US | compressed | 57.4 Kb | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
---|---|---|---|---|---|---|
2040 | putty.exe | 205.185.216.42:80 | www.download.windowsupdate.com | Highwinds Network Group, Inc. | US | whitelisted |
2040 | putty.exe | 13.56.12.247:8100 | — | Amazon.com, Inc. | US | malicious |
Domain | IP | Reputation |
---|---|---|
www.download.windowsupdate.com |
| whitelisted |
PID | Process | Class | Message |
---|---|---|---|
2040 | putty.exe | A Network Trojan was detected | MALWARE [PTsecurity] AsyncRAT |
2040 | putty.exe | A Network Trojan was detected | MALWARE [PTsecurity] AsyncRAT |