analyze malware
- Huge database of samples and IOCs
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- Interactive approach
| File name: | Client.exe |
| Full analysis: | https://app.any.run/tasks/3c0f9bdc-ae95-4a1a-ad6b-6ecc11c60df8 |
| 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: | January 24, 2022, 17:14:35 |
| 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: | 07AE7F0A9A08D0819C1E764A172EE12C |
| SHA1: | A568E2A7A25465D31659C6D807344C2B003F0FDE |
| SHA256: | 8A0CCEE1FC0516DBC9D6DE1DD8EADBDA5E66F3073D774EE34BBDF75A3ADF674F |
| SSDEEP: | 1536:LJ1XXlloMdexiObGeeiMl8GbbXwj7GRGVclN:LJ1XXlloMdeFbfeFmGbbX5cY |
MALICIOUS
Changes the autorun value in the registry
- Client.exe (PID: 2184)
ASYNCRAT was detected
- xenter.exe (PID: 1876)
SUSPICIOUS
Reads the computer name
- Client.exe (PID: 2184)
- xenter.exe (PID: 1876)
Checks supported languages
- Client.exe (PID: 2184)
- cmd.exe (PID: 3604)
- xenter.exe (PID: 1876)
Creates files in the user directory
- Client.exe (PID: 2184)
Starts CMD.EXE for commands execution
- Client.exe (PID: 2184)
Drops a file with a compile date too recent
- Client.exe (PID: 2184)
Executable content was dropped or overwritten
- Client.exe (PID: 2184)
Reads Environment values
- xenter.exe (PID: 1876)
INFO
Checks supported languages
- timeout.exe (PID: 3964)
- taskmgr.exe (PID: 3368)
Reads settings of System Certificates
- xenter.exe (PID: 1876)
Manual execution by user
- taskmgr.exe (PID: 3368)
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.) (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) |
EXIF
EXE
| AssemblyVersion: | 6.2.19041.1415 |
|---|---|
| ProductVersion: | 6.2.19041.1415 |
| ProductName: | Операционная система Microsoft® Windows® |
| OriginalFileName: | explorer |
| LegalTrademarks: | - |
| LegalCopyright: | © Корпорация Майкрософт. Все права защищены. |
| InternalName: | explorer |
| FileVersion: | 6.2.19041.1415 |
| FileDescription: | Проводник |
| CompanyName: | Microsoft Corporation |
| Comments: | - |
| CharacterSet: | Unicode |
| LanguageCode: | Neutral |
| FileSubtype: | - |
| ObjectFileType: | Executable application |
| FileOS: | Win32 |
| FileFlags: | (none) |
| FileFlagsMask: | 0x003f |
| ProductVersionNumber: | 6.2.19041.1415 |
| FileVersionNumber: | 6.2.19041.1415 |
| Subsystem: | Windows GUI |
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0x1097e |
| UninitializedDataSize: | - |
| InitializedDataSize: | 4608 |
| CodeSize: | 59904 |
| LinkerVersion: | 8 |
| PEType: | PE32 |
| TimeStamp: | 2022:01:12 04:47:42+01:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 12-Jan-2022 03:47:42 |
| Comments: | - |
| CompanyName: | Microsoft Corporation |
| FileDescription: | Проводник |
| FileVersion: | 6.2.19041.1415 |
| InternalName: | explorer |
| LegalCopyright: | © Корпорация Майкрософт. Все права защищены. |
| LegalTrademarks: | - |
| OriginalFilename: | explorer |
| ProductName: | Операционная система Microsoft® Windows® |
| ProductVersion: | 6.2.19041.1415 |
| Assembly Version: | 6.2.19041.1415 |
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: | 12-Jan-2022 03:47:42 |
| 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 | 0x0000E984 | 0x0000EA00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.85483 |
.rsrc | 0x00012000 | 0x00000F00 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.341 |
.reloc | 0x00014000 | 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 | 5.13313 | 2691 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
40
Monitored processes
5
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2184 | "C:\Users\admin\AppData\Local\Temp\Client.exe" | C:\Users\admin\AppData\Local\Temp\Client.exe | Explorer.EXE | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: ????????? Exit code: 0 Version: 6.2.19041.1415 Modules
| |||||||||||||||
| 3604 | C:\Windows\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\tmp399B.tmp.bat"" | C:\Windows\system32\cmd.exe | — | Client.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) Modules
| |||||||||||||||
| 3964 | 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) Modules
| |||||||||||||||
| 1876 | "C:\Users\admin\AppData\Roaming\xenter.exe" | C:\Users\admin\AppData\Roaming\xenter.exe | cmd.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: ????????? Version: 6.2.19041.1415 Modules
| |||||||||||||||
| 3368 | "C:\Windows\system32\taskmgr.exe" /4 | C:\Windows\system32\taskmgr.exe | — | Explorer.EXE | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Task Manager Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
4 717
Read events
4 688
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
3
Text files
1
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2184 | Client.exe | C:\Users\admin\AppData\Local\Temp\tmp399B.tmp.bat | text | |
MD5:EC14B23C3B587E4F34474CD189B6DCAA | SHA256:5CECFA2A3F732F722F29A9F4A346B2E62C7883D7FEEAE0D5923B16EE397FD4AA | |||
| 1876 | xenter.exe | C:\Users\admin\AppData\Local\Temp\Tar53FA.tmp | cat | |
MD5:D99661D0893A52A0700B8AE68457351A | SHA256:BDD5111162A6FA25682E18FA74E37E676D49CAFCB5B7207E98E5256D1EF0D003 | |||
| 2184 | Client.exe | C:\Users\admin\AppData\Roaming\xenter.exe | executable | |
MD5:07AE7F0A9A08D0819C1E764A172EE12C | SHA256:8A0CCEE1FC0516DBC9D6DE1DD8EADBDA5E66F3073D774EE34BBDF75A3ADF674F | |||
| 1876 | xenter.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506 | binary | |
MD5:244AED9ADF23E562594E91997A2B9E16 | SHA256:6858FBA8C0A7ED418DC2AAB1220C6DBB972F95E1BA21DC5B4E8C8C951922928B | |||
| 1876 | xenter.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506 | compressed | |
MD5:ACAEDA60C79C6BCAC925EEB3653F45E0 | SHA256:6B0CECCF0103AFD89844761417C1D23ACC41F8AEBF3B7230765209B61EEE5658 | |||
| 1876 | xenter.exe | C:\Users\admin\AppData\Local\Temp\Cab53F9.tmp | compressed | |
MD5:ACAEDA60C79C6BCAC925EEB3653F45E0 | SHA256:6B0CECCF0103AFD89844761417C1D23ACC41F8AEBF3B7230765209B61EEE5658 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
4
DNS requests
2
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1876 | xenter.exe | GET | 200 | 23.32.238.208:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?4453303e8fd52cbb | US | compressed | 59.9 Kb | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
1876 | xenter.exe | 188.208.143.114:26743 | hostfromrat8888.ddns.net | Almouroltec Servicos De Informatica E Internet Lda | PT | malicious |
1876 | xenter.exe | 23.32.238.208:80 | ctldl.windowsupdate.com | XO Communications | US | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
hostfromrat8888.ddns.net |
| malicious |
ctldl.windowsupdate.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potentially Bad Traffic | ET POLICY DNS Query to DynDNS Domain *.ddns .net |
1876 | xenter.exe | A Network Trojan was detected | ET TROJAN Observed Malicious SSL Cert (AsyncRAT) |
1 ETPRO signatures available at the full report