File name:

143734ace32a278d89d77af8c7fdfa80.exe

Full analysis: https://app.any.run/tasks/64473843-b5a5-4273-91af-16324311ce4e
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.

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Analysis date: August 04, 2024, 14:59:24
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
asyncrat
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

143734ACE32A278D89D77AF8C7FDFA80

SHA1:

EF834BB92BB57EDA87458D1A2EE3525A4B91A6EF

SHA256:

1EF225D55B567E06CA8C6197AA237B76504A1A270A512B80B50280154AF98146

SSDEEP:

1536:OlSSEuamcv0s/UYKKasLXaGyJjUuc8LH1bf/esururBslFVclN:OlSSEuamcvyYKKasLXaGyOucCH1bfmBy

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Drops the executable file immediately after the start

      • 143734ace32a278d89d77af8c7fdfa80.exe (PID: 6412)

    • Changes the autorun value in the registry

      • 143734ace32a278d89d77af8c7fdfa80.exe (PID: 6412)

    • ASYNCRAT has been detected (YARA)

      • WinUpdate.exe (PID: 6556)

  • SUSPICIOUS

    • Starts a Microsoft application from unusual location

      • 143734ace32a278d89d77af8c7fdfa80.exe (PID: 6412)

    • Process drops legitimate windows executable

      • 143734ace32a278d89d77af8c7fdfa80.exe (PID: 6412)

    • Executable content was dropped or overwritten

      • 143734ace32a278d89d77af8c7fdfa80.exe (PID: 6412)

    • Executing commands from a ".bat" file

      • 143734ace32a278d89d77af8c7fdfa80.exe (PID: 6412)

    • Starts CMD.EXE for commands execution

      • 143734ace32a278d89d77af8c7fdfa80.exe (PID: 6412)

    • Uses TIMEOUT.EXE to delay execution

      • cmd.exe (PID: 6440)

    • The executable file from the user directory is run by the CMD process

      • WinUpdate.exe (PID: 6556)

  • INFO

    • Creates files or folders in the user directory

      • 143734ace32a278d89d77af8c7fdfa80.exe (PID: 6412)

    • Checks supported languages

      • 143734ace32a278d89d77af8c7fdfa80.exe (PID: 6412)
      • WinUpdate.exe (PID: 6556)

    • Reads the computer name

      • 143734ace32a278d89d77af8c7fdfa80.exe (PID: 6412)
      • WinUpdate.exe (PID: 6556)

    • Reads Environment values

      • 143734ace32a278d89d77af8c7fdfa80.exe (PID: 6412)
      • WinUpdate.exe (PID: 6556)

    • Reads the machine GUID from the registry

      • 143734ace32a278d89d77af8c7fdfa80.exe (PID: 6412)
      • WinUpdate.exe (PID: 6556)

    • Create files in a temporary directory

      • 143734ace32a278d89d77af8c7fdfa80.exe (PID: 6412)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

AsyncRat

(PID) Process(6556) WinUpdate.exe
C2 (1)null
Ports (1)null
VersionVenom RAT + HVNC + Stealer + Grabber v6.0.3
Options
AutoRuntrue
Mutexrufrwqqzhtx
InstallFolder%AppData%
Certificates
Cert1MIICOTCCAaKgAwIBAgIVAPyfwFFMs6hxoSr1U5gHJmBruaj1MA0GCSqGSIb3DQEBDQUAMGoxGDAWBgNVBAMMD1Zlbm9tUkFUIFNlcnZlcjETMBEGA1UECwwKcXdxZGFuY2h1bjEfMB0GA1UECgwWVmVub21SQVQgQnkgcXdxZGFuY2h1bjELMAkGA1UEBwwCU0gxCzAJBgNVBAYTAkNOMB4XDTIyMDgxNDA5NDEwOVoXDTMzMDUyMzA5NDEwOVowEzERMA8GA1UEAwwIVmVub21SQVQwgZ8wDQYJKoZIhvcN...
Server_SignaturegcnLfd8elLWbErK456OXBd4R/UCRiXpQZEr05GHtOAZ0GgN9BoNY9og/HTbAI8ud7p2U/cE8hKRiuuhuzvtDUGInrSU9zMgHuXCihdEQC3RTZedts+x28mehK2bz1dyolHJSBUA1gKGD9AY3Wz8oE9OJhefcEEbQR3AXVNRqVPE=
Keys
AES756cf283f5066783808997ceb31db0d09871b2efbf89426876d9df8e1deaa0c9
SaltVenomRATByVenom
No Malware configuration.

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

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2023:02:08 22:10:28+00:00
ImageFileCharacteristics: Executable
PEType: PE32
LinkerVersion: 8
CodeSize: 71168
InitializedDataSize: 4608
UninitializedDataSize: -
EntryPoint: 0x134be
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 10.0.20348.2340
ProductVersionNumber: 10.0.20348.2340
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: Microsoft Corporation
FileDescription: Host Process for Windows Tasks
FileVersion: 10.0.20348.2340
InternalName: taskhostw.exe
LegalCopyright: © Microsoft Corporation. All rights reserved.
LegalTrademarks: -
OriginalFileName: taskhostw.exe
ProductName: Microsoft® Windows® Operating System
ProductVersion: 10.0.20348.2340
AssemblyVersion: 10.0.20348.2340
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
122
Monitored processes
5
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start 143734ace32a278d89d77af8c7fdfa80.exe cmd.exe no specs conhost.exe no specs timeout.exe no specs #ASYNCRAT winupdate.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
6412"C:\Users\admin\Desktop\143734ace32a278d89d77af8c7fdfa80.exe" C:\Users\admin\Desktop\143734ace32a278d89d77af8c7fdfa80.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Host Process for Windows Tasks
Exit code:
0
Version:
10.0.20348.2340
Modules
Images
c:\users\admin\desktop\143734ace32a278d89d77af8c7fdfa80.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
6440C:\WINDOWS\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\tmp59D4.tmp.bat""C:\Windows\System32\cmd.exe—143734ace32a278d89d77af8c7fdfa80.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\cmdext.dll
6452\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
6512timeout 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:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\timeout.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
6556"C:\Users\admin\AppData\Roaming\WinUpdate.exe" C:\Users\admin\AppData\Roaming\WinUpdate.exe
cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Host Process for Windows Tasks
Version:
10.0.20348.2340
Modules
Images
c:\users\admin\appdata\roaming\winupdate.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
AsyncRat
(PID) Process(6556) WinUpdate.exe
C2 (1)null
Ports (1)null
VersionVenom RAT + HVNC + Stealer + Grabber v6.0.3
Options
AutoRuntrue
Mutexrufrwqqzhtx
InstallFolder%AppData%
Certificates
Cert1MIICOTCCAaKgAwIBAgIVAPyfwFFMs6hxoSr1U5gHJmBruaj1MA0GCSqGSIb3DQEBDQUAMGoxGDAWBgNVBAMMD1Zlbm9tUkFUIFNlcnZlcjETMBEGA1UECwwKcXdxZGFuY2h1bjEfMB0GA1UECgwWVmVub21SQVQgQnkgcXdxZGFuY2h1bjELMAkGA1UEBwwCU0gxCzAJBgNVBAYTAkNOMB4XDTIyMDgxNDA5NDEwOVoXDTMzMDUyMzA5NDEwOVowEzERMA8GA1UEAwwIVmVub21SQVQwgZ8wDQYJKoZIhvcN...
Server_SignaturegcnLfd8elLWbErK456OXBd4R/UCRiXpQZEr05GHtOAZ0GgN9BoNY9og/HTbAI8ud7p2U/cE8hKRiuuhuzvtDUGInrSU9zMgHuXCihdEQC3RTZedts+x28mehK2bz1dyolHJSBUA1gKGD9AY3Wz8oE9OJhefcEEbQR3AXVNRqVPE=
Keys
AES756cf283f5066783808997ceb31db0d09871b2efbf89426876d9df8e1deaa0c9
SaltVenomRATByVenom
Total events
991
Read events
990
Write events
1
Delete events
0

Modification events

(PID) Process:(6412) 143734ace32a278d89d77af8c7fdfa80.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:WinUpdate
Value:
"C:\Users\admin\AppData\Roaming\WinUpdate.exe"
Executable files
1
Suspicious files
0
Text files
2
Unknown types
0

Dropped files

PID
Process
Filename
Type
6412143734ace32a278d89d77af8c7fdfa80.exeC:\Users\admin\AppData\Local\Temp\tmp59D4.tmp.battext
MD5:A9B945CEBA9D7AEC440307E30956C747
SHA256:AE940D6E7450A744C4D31CCD63FCEB2545312A69E56449923ACDB86D3215A54D
6412143734ace32a278d89d77af8c7fdfa80.exeC:\Users\admin\AppData\Roaming\MyData\DataLogs.conftext
MD5:CF759E4C5F14FE3EEC41B87ED756CEA8
SHA256:C9F9F193409217F73CC976AD078C6F8BF65D3AABCF5FAD3E5A47536D47AA6761
6412143734ace32a278d89d77af8c7fdfa80.exeC:\Users\admin\AppData\Roaming\WinUpdate.exeexecutable
MD5:143734ACE32A278D89D77AF8C7FDFA80
SHA256:1EF225D55B567E06CA8C6197AA237B76504A1A270A512B80B50280154AF98146
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
14
DNS requests
3
Threats
0

HTTP requests

No 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
4
System
192.168.100.255:137
—
—
—
whitelisted
1860
svchost.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
3888
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
1420
RUXIMICS.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
2120
MoUsoCoreWorker.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
1860
svchost.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
2120
MoUsoCoreWorker.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
4324
svchost.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.104.136.2
  • 40.127.240.158
whitelisted
google.com
  • 142.250.185.142
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
143734ace32a278d89d77af8c7fdfa80.exe