File name:

Client.exe

Full analysis: https://app.any.run/tasks/c5d6fd7a-9b8d-4a26-9268-734342c2f055
Verdict: Malicious activity
Analysis date: January 08, 2022, 13:22:25
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:

DCB34FC3579F01A9C357FA298F4177BB

SHA1:

196EB85FB893CA33DBBC173CE99E03C9C8A5F30B

SHA256:

44B7CB2342EDFB3F89FAE63CC1C628D517B77B4FDC709CDBE28674C44B6DC0DF

SSDEEP:

768:45F603LoILkWAt+jigtelDSN+iV08Ybygeq4q7D+HvEgK/JLZVc6KNE:45F6RtgtKDs4zb1Gq7D+HnkJLZVclNE

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

    • Changes the autorun value in the registry

      • Client.exe (PID: 3148)

    • Drops executable file immediately after starts

      • msdt.exe (PID: 3820)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Client.exe (PID: 3148)
      • msdt.exe (PID: 3820)

    • Creates files in the user directory

      • Client.exe (PID: 3148)

    • Starts CMD.EXE for commands execution

      • Client.exe (PID: 3148)

    • Checks supported languages

      • Client.exe (PID: 3148)
      • cmd.exe (PID: 3160)
      • ntoskrnl.exe (PID: 652)

    • Reads the computer name

      • Client.exe (PID: 3148)
      • ntoskrnl.exe (PID: 652)

    • Reads Environment values

      • ntoskrnl.exe (PID: 652)

    • Drops a file with too old compile date

      • msdt.exe (PID: 3820)

  • INFO

    • Checks supported languages

      • timeout.exe (PID: 3248)
      • msdt.exe (PID: 3820)
      • taskmgr.exe (PID: 2052)

    • Reads settings of System Certificates

      • ntoskrnl.exe (PID: 652)
      • msdt.exe (PID: 3820)

    • Reads the computer name

      • msdt.exe (PID: 3820)
      • taskmgr.exe (PID: 2052)

    • Manual execution by user

      • msdt.exe (PID: 3820)
      • taskmgr.exe (PID: 2052)

    • Checks Windows Trust Settings

      • msdt.exe (PID: 3820)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
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

AssemblyVersion: 1.0.7.0
ProductVersion: 1.0.7.0
ProductName: -
OriginalFileName: Client.exe
LegalTrademarks: -
LegalCopyright: -
InternalName: Client.exe
FileVersion: 1.0.7.0
FileDescription: -
CompanyName: -
Comments: -
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 1.0.7.0
FileVersionNumber: 1.0.7.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0xcbfe
UninitializedDataSize: -
InitializedDataSize: 4096
CodeSize: 44544
LinkerVersion: 8
PEType: PE32
TimeStamp: 2021:05:05 23:11:39+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 05-May-2021 21:11:39
Comments: -
CompanyName: -
FileDescription: -
FileVersion: 1.0.7.0
InternalName: Client.exe
LegalCopyright: -
LegalTrademarks: -
OriginalFilename: Client.exe
ProductName: -
ProductVersion: 1.0.7.0
Assembly Version: 1.0.7.0

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: 05-May-2021 21:11:39
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x0000AC04
0x0000AE00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.60012
.rsrc
0x0000E000
0x00000DF7
0x00000E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.11061
.reloc
0x00010000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0611629

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.13313
2691
UNKNOWN
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
6
Malicious processes
0
Suspicious processes
3

Behavior graph

Click at the process to see the details
start client.exe cmd.exe no specs timeout.exe no specs ntoskrnl.exe msdt.exe taskmgr.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
652"C:\Users\admin\AppData\Roaming\ntoskrnl.exe" C:\Users\admin\AppData\Roaming\ntoskrnl.exe
cmd.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
1
Version:
1.0.7.0
Modules
Images
c:\users\admin\appdata\roaming\ntoskrnl.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
2052"C:\Windows\system32\taskmgr.exe" 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
Images
c:\windows\system32\taskmgr.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
3148"C:\Users\admin\AppData\Local\Temp\Client.exe" C:\Users\admin\AppData\Local\Temp\Client.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Version:
1.0.7.0
Modules
Images
c:\users\admin\appdata\local\temp\client.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
3160C:\Windows\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\tmpED90.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
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3248timeout 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
Images
c:\windows\system32\timeout.exe
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ws2_32.dll
3820"C:\Windows\system32\msdt.exe" -id MaintenanceDiagnostic -ep ControlPanelSearchC:\Windows\system32\msdt.exe
Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Diagnostics Troubleshooting Wizard
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\msdt.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\user32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll
Total events
7 704
Read events
7 649
Write events
55
Delete events
0

Modification events

(PID) Process:(3148) Client.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3148) Client.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:ntoskrnl
Value:
"C:\Users\admin\AppData\Roaming\ntoskrnl.exe"
(PID) Process:(652) ntoskrnl.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(652) ntoskrnl.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ntoskrnl_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(652) ntoskrnl.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ntoskrnl_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(652) ntoskrnl.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ntoskrnl_RASAPI32
Operation:writeName:FileTracingMask
Value:
(PID) Process:(652) ntoskrnl.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ntoskrnl_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
(PID) Process:(652) ntoskrnl.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ntoskrnl_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(652) ntoskrnl.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ntoskrnl_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(652) ntoskrnl.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ntoskrnl_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
Executable files
3
Suspicious files
0
Text files
18
Unknown types
0

Dropped files

PID
Process
Filename
Type
3148Client.exeC:\Users\admin\AppData\Roaming\ntoskrnl.exeexecutable
MD5:—
SHA256:—
3148Client.exeC:\Users\admin\AppData\Local\Temp\tmpED90.tmp.battext
MD5:—
SHA256:—
3820msdt.exeC:\Users\admin\AppData\Local\Temp\SDIAG_831bf15b-de90-4a31-ab70-b79141064462\RS_RemoveUnusedDesktopIcons.ps1text
MD5:4F032FC995739F6D124B380437234944
SHA256:0F24C3E714CE80002051E98552545B57119E8BF238AF8EF92683EF09D7811E6A
3820msdt.exeC:\Users\admin\AppData\Local\Temp\SDIAG_831bf15b-de90-4a31-ab70-b79141064462\TS_BrokenShortcuts.ps1text
MD5:EB69028EC5B83B1EE15701B0B247D30B
SHA256:354F7D8D44FC598F469343CF64458F477C561E4E47580FF4AA85C9D2AE501110
3820msdt.exeC:\Users\admin\AppData\Local\Temp\SDIAG_831bf15b-de90-4a31-ab70-b79141064462\RS_RemoveShortcuts.ps1text
MD5:8BE490431E6AC9B3859F1BC544CAF3A7
SHA256:EB7E3872A611D23DBC092E5BDE42BC1BB7178495C238BEC25A1561238A53A665
3820msdt.exeC:\Users\admin\AppData\Local\Temp\SDIAG_831bf15b-de90-4a31-ab70-b79141064462\DiagPackage.dllexecutable
MD5:A48AEA09D191B2CA4E4852BC96C6365A
SHA256:66EFA44E3BDFEACFE5D4421E3BCB582D6AC2463B2983317370F66AAD5C174389
3820msdt.exeC:\Users\admin\AppData\Local\Temp\SDIAG_831bf15b-de90-4a31-ab70-b79141064462\RS_MachineWERQueue.ps1text
MD5:4EAD5FF0DE8201DAA5C771C9700C45AB
SHA256:77467AE995127372D335D7A5406EBD98CD3385CA7F8644E1342643330EC93341
3820msdt.exeC:\Users\admin\AppData\Local\Temp\SDIAG_831bf15b-de90-4a31-ab70-b79141064462\RS_SyncSystemTime.ps1text
MD5:9BDA81EEEDFCAC858EE758836D1AB67F
SHA256:CC02EDB98530F1AC820F8459748F84B73F786E56A8140BC4C78E944BC9DC1FFF
3820msdt.exeC:\Users\admin\AppData\Local\Temp\SDIAG_831bf15b-de90-4a31-ab70-b79141064462\RS_AdminDiagnosticHistory.ps1text
MD5:DAF3CAF9FEE184902F88CF68C916254C
SHA256:659EBF584A5E0D31590D848EA13A3FAFF10C88F2D129BAA3C2A1635BE0E17613
3820msdt.exeC:\Users\admin\AppData\Local\Temp\SDIAG_831bf15b-de90-4a31-ab70-b79141064462\RS_UserDiagnosticHistory.ps1text
MD5:3A3EA51AC79C212F298ED11E5312F4EF
SHA256:4AB9317A0AAE09510C150918C1757C7492C93606268A5E33F56031C244632A5A
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
7
DNS requests
2
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
652
ntoskrnl.exe
104.23.99.190:443
pastebin.com
Cloudflare Inc
US
malicious
652
ntoskrnl.exe
119.45.104.153:8848
—
—
CN
malicious
—
—
119.45.104.153:8848
—
—
CN
malicious

DNS requests

Domain
IP
Reputation
pastebin.com
  • 104.23.99.190
  • 104.23.98.190
malicious
dns.msftncsi.com
  • 131.107.255.255
shared

Threats

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