File name:

DarkStart.exe

Full analysis: https://app.any.run/tasks/2aff1a68-8503-4877-9b19-f14918a79ad2
Verdict: Malicious activity
Analysis date: July 24, 2021, 03:34:12
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:

1FB4CAB119FA4C5728F614C9977B2158

SHA1:

FF50BF4196E4ABAF234048B54151FD1D4E153D46

SHA256:

C061E72757CC525B095FACFF34BBD0FA4116F570B5A7361D76F44CCA61A71A3C

SSDEEP:

12288:6FTPHszD6yM/YZ13B3JFKDkvdAr57vEplMEN2ra7ZPV7+DpnU60oDaoxlI+aFG4T:6GH9VJFvdAl7QU2NPV7F60oDaInN4R5

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

    • Application was dropped or rewritten from another process

      • Ch2.exe (PID: 2548)
    • Drops executable file immediately after starts

      • DarkStart.exe (PID: 3784)
  • SUSPICIOUS

    • Reads the computer name

      • DarkStart.exe (PID: 3784)
      • dw20.exe (PID: 2680)
    • Checks supported languages

      • dw20.exe (PID: 2680)
      • Ch2.exe (PID: 2548)
      • DarkStart.exe (PID: 3784)
    • Executable content was dropped or overwritten

      • DarkStart.exe (PID: 3784)
    • Creates files in the user directory

      • DarkStart.exe (PID: 3784)
    • Drops a file with a compile date too recent

      • DarkStart.exe (PID: 3784)
    • Drops a file that was compiled in debug mode

      • DarkStart.exe (PID: 3784)
  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.dll | Win32 Dynamic Link Library (generic) (43.5)
.exe | Win32 Executable (generic) (29.8)
.exe | Generic Win/DOS Executable (13.2)
.exe | DOS Executable Generic (13.2)

EXIF

EXE

AssemblyVersion: 5.20.19.23
ProductVersion: 5.20.19.23
ProductName: twin
OriginalFileName: DarkStart.exe
LegalCopyright: cunning © factual
InternalName: DarkStart.exe
FileVersion: 5.20.19.23
FileDescription: arrivalfactual
CompanyName: carcinogenic
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 5.20.19.23
FileVersionNumber: 5.20.19.23
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0xff10e
UninitializedDataSize: -
InitializedDataSize: 2048
CodeSize: 1036800
LinkerVersion: 11
PEType: PE32
TimeStamp: 2021:07:21 11:57:20+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 21-Jul-2021 09:57:20
CompanyName: carcinogenic
FileDescription: arrivalfactual
FileVersion: 5.20.19.23
InternalName: DarkStart.exe
LegalCopyright: cunning © factual
OriginalFilename: DarkStart.exe
ProductName: twin
ProductVersion: 5.20.19.23
Assembly Version: 5.20.19.23

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: 21-Jul-2021 09:57:20
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x000FD114
0x000FD200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.99944
.rsrc
0x00100000
0x00000590
0x00000600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.08296
.reloc
0x00102000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.96555
485
UNKNOWN
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
4
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start darkstart.exe ch2.exe no specs dw20.exe no specs darkstart.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2548"C:\Users\admin\AppData\Roaming\Ch2.exe" C:\Users\admin\AppData\Roaming\Ch2.exeDarkStart.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\roaming\ch2.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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\imm32.dll
2680dw20.exe -x -s 848C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exeDarkStart.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft .NET Error Reporting Shim
Exit code:
0
Version:
2.0.50727.5483 (Win7SP1GDR.050727-5400)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\dw20.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.4940_none_d08cc06a442b34fc\msvcr80.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
3416"C:\Users\admin\AppData\Local\Temp\DarkStart.exe" C:\Users\admin\AppData\Local\Temp\DarkStart.exeExplorer.EXE
User:
admin
Company:
carcinogenic
Integrity Level:
MEDIUM
Description:
arrivalfactual
Exit code:
3221226540
Version:
5.20.19.23
Modules
Images
c:\users\admin\appdata\local\temp\darkstart.exe
c:\windows\system32\ntdll.dll
3784"C:\Users\admin\AppData\Local\Temp\DarkStart.exe" C:\Users\admin\AppData\Local\Temp\DarkStart.exe
Explorer.EXE
User:
admin
Company:
carcinogenic
Integrity Level:
HIGH
Description:
arrivalfactual
Exit code:
0
Version:
5.20.19.23
Modules
Images
c:\users\admin\appdata\local\temp\darkstart.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
Total events
809
Read events
801
Write events
8
Delete events
0

Modification events

(PID) Process:(3784) DarkStart.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(3784) DarkStart.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(3784) DarkStart.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(3784) DarkStart.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3784DarkStart.exeC:\Users\admin\AppData\Roaming\DriverUpdate.exeexecutable
MD5:
SHA256:
3784DarkStart.exeC:\Users\admin\AppData\Roaming\Ch2.exeexecutable
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
3
DNS requests
1
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
51.124.78.146:443
settings-win.data.microsoft.com
Microsoft Corporation
GB
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.124.78.146
whitelisted

Threats

No threats detected
No debug info