File name: | 1CA19691316FB0A2EED8994168F00BFA86F1B94C028CA.exe |
Full analysis: | https://app.any.run/tasks/f427292d-2ea9-4c50-97d6-1e8df9c48ea4 |
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 12, 2022, 14:36:11 |
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: | 1265A8DC0970AB09C4E8108563238911 |
SHA1: | B4FB4E12F34F3FC6C3FE7FD6CB764FEA6F0823E1 |
SHA256: | 1CA19691316FB0A2EED8994168F00BFA86F1B94C028CA5A83A644FD36AC0F055 |
SSDEEP: | 24576:WbLpW8ubIBBeYOTYNZg8cljdR0eNWQC3n1asUfq+8Lj:WbLpW8u8BwYOTYOlg8eKfJm |
.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) |
AssemblyVersion: | 1.0.0.50 |
---|---|
ProductVersion: | 1.0.0.50 |
ProductName: | Upgrade |
OriginalFileName: | Upgrade.exe |
LegalTrademarks: | Registered trademarks and service marks are the property of their respective owners |
LegalCopyright: | © 2015 AO Kaspersky Lab. All Rights Reserved. |
InternalName: | Upgrade.exe |
FileVersion: | 1.0.0.50 |
FileDescription: | Upgrade |
CompanyName: | AO Kaspersky Lab |
CharacterSet: | Unicode |
LanguageCode: | Neutral |
FileSubtype: | - |
ObjectFileType: | Executable application |
FileOS: | Win32 |
FileFlags: | (none) |
FileFlagsMask: | 0x003f |
ProductVersionNumber: | 1.0.0.50 |
FileVersionNumber: | 1.0.0.50 |
Subsystem: | Windows GUI |
SubsystemVersion: | 4 |
ImageVersion: | - |
OSVersion: | 4 |
EntryPoint: | 0x10a63e |
UninitializedDataSize: | - |
InitializedDataSize: | 149504 |
CodeSize: | 1083392 |
LinkerVersion: | 80 |
PEType: | PE32 |
TimeStamp: | 2085:04:04 15:41:20+02:00 |
MachineType: | Intel 386 or later, and compatibles |
Architecture: | IMAGE_FILE_MACHINE_I386 |
---|---|
Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
Compilation Date: | 27-Feb-1949 07:13:04 |
Detected languages: |
|
CompanyName: | AO Kaspersky Lab |
FileDescription: | Upgrade |
FileVersion: | 1.0.0.50 |
InternalName: | Upgrade.exe |
LegalCopyright: | © 2015 AO Kaspersky Lab. All Rights Reserved. |
LegalTrademarks: | Registered trademarks and service marks are the property of their respective owners |
OriginalFilename: | Upgrade.exe |
ProductName: | Upgrade |
ProductVersion: | 1.0.0.50 |
Assembly Version: | 1.0.0.50 |
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: | 27-Feb-1949 07:13:04 |
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 | 0x00108644 | 0x00108800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.55165 |
.rsrc | 0x0010C000 | 0x000245D0 | 0x00024600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.79375 |
.reloc | 0x00132000 | 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 |
2 | 3.68804 | 38056 | UNKNOWN | UNKNOWN | RT_ICON |
3 | 3.70148 | 16936 | UNKNOWN | UNKNOWN | RT_ICON |
4 | 3.4362 | 9640 | UNKNOWN | UNKNOWN | RT_ICON |
5 | 3.48916 | 4264 | UNKNOWN | UNKNOWN | RT_ICON |
6 | 3.37803 | 2440 | UNKNOWN | UNKNOWN | RT_ICON |
7 | 2.47595 | 1128 | UNKNOWN | UNKNOWN | RT_ICON |
8 | 2.51649 | 308 | UNKNOWN | English - United States | RT_CURSOR |
9 | 2.31114 | 308 | UNKNOWN | English - United States | RT_CURSOR |
10 | 2.34004 | 308 | UNKNOWN | English - United States | RT_CURSOR |
mscoree.dll |
PID | CMD | Path | Indicators | Parent process |
---|---|---|---|---|
924 | "C:\Users\admin\AppData\Local\Temp\1CA19691316FB0A2EED8994168F00BFA86F1B94C028CA.exe" | C:\Users\admin\AppData\Local\Temp\1CA19691316FB0A2EED8994168F00BFA86F1B94C028CA.exe | — | Explorer.EXE |
User: admin Company: AO Kaspersky Lab Integrity Level: MEDIUM Description: Upgrade Exit code: 0 Version: 1.0.0.50 | ||||
3372 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe" 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 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | 1CA19691316FB0A2EED8994168F00BFA86F1B94C028CA.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Assembly Registration Utility Version: 4.0.30319.34209 built by: FX452RTMGDR |
PID | Process | Filename | Type | |
---|---|---|---|---|
3372 | RegAsm.exe | C:\Users\admin\AppData\Local\Temp\Tar6890.tmp | cat | |
MD5:7EE994C83F2744D702CBA18693ED1758 | SHA256:5DB917AB6DC8A42A43617850DFBE2C7F26A7F810B229B349E9DD2A2D615671D2 | |||
3372 | RegAsm.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506 | binary | |
MD5:8C8BD35B3C1C7E803FBCC2DA71031267 | SHA256:C185821A920C12472B42F6F6C35A266DBA25D31FB2B1BFB0BEB065A9EFF743E5 | |||
3372 | RegAsm.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506 | compressed | |
MD5:589C442FC7A0C70DCA927115A700D41E | SHA256:2E5CB72E9EB43BAAFB6C6BFCC573AAC92F49A8064C483F9D378A9E8E781A526A | |||
924 | 1CA19691316FB0A2EED8994168F00BFA86F1B94C028CA.exe | C:\ProgramData\Isolated Storage\164395BC\44538E74 | binary | |
MD5:FB28E3DE7FC7EA3E263E789EF97501BA | SHA256:CED9FCD8EB65743CB687F9261B41B5FE7525801752A414F344BB5D2E0B4B666C | |||
3372 | RegAsm.exe | C:\Users\admin\AppData\Local\Temp\Cab688F.tmp | compressed | |
MD5:589C442FC7A0C70DCA927115A700D41E | SHA256:2E5CB72E9EB43BAAFB6C6BFCC573AAC92F49A8064C483F9D378A9E8E781A526A |
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
---|---|---|---|---|---|---|---|---|---|
3372 | RegAsm.exe | GET | 200 | 8.241.121.126:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?b18ed6871078f738 | US | compressed | 60.2 Kb | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
---|---|---|---|---|---|---|
3372 | RegAsm.exe | 142.250.186.129:443 | doc-0k-bk-docs.googleusercontent.com | Google Inc. | US | whitelisted |
3372 | RegAsm.exe | 172.217.16.142:443 | www.youtube.com | Google Inc. | US | whitelisted |
3372 | RegAsm.exe | 142.250.185.78:443 | www.youtube.com | Google Inc. | US | whitelisted |
3372 | RegAsm.exe | 8.241.121.126:80 | ctldl.windowsupdate.com | Level 3 Communications, Inc. | US | suspicious |
3372 | RegAsm.exe | 45.88.79.224:54 | — | — | — | malicious |
Domain | IP | Reputation |
---|---|---|
www.youtube.com |
| whitelisted |
drive.google.com |
| shared |
doc-0k-bk-docs.googleusercontent.com |
| shared |
ctldl.windowsupdate.com |
| whitelisted |
PID | Process | Class | Message |
---|---|---|---|
3372 | RegAsm.exe | A Network Trojan was detected | ET TROJAN Observed Malicious SSL Cert (AsyncRAT Server) |
3372 | RegAsm.exe | A Network Trojan was detected | ET TROJAN Generic AsyncRAT Style SSL Cert |