File name:

cvwf_loader.exe

Full analysis: https://app.any.run/tasks/c60c79a7-384a-49a5-86db-4a681dcec493
Verdict: Malicious activity
Analysis date: May 20, 2022, 19:15:02
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

EF6E013D46BB3779CE2620D6C4F6AAC9

SHA1:

CC631334A2B2FF0250A407A0E9FEF8123A1A4FFE

SHA256:

0E98498DF3E68AFFCDDABE0825A013C3E3EB29B34815C45F85F2E97D4F37EE88

SSDEEP:

98304:khmo/waMke9YmDAPoYMe2lan/5MwbgZTYtSdluELbB:V9SNMe2on/5fbgZcwP

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

    No malicious indicators.
  • SUSPICIOUS

    • Checks supported languages

      • cvwf_loader.exe (PID: 2948)
      • cvwf_loader.exe (PID: 3796)
      • cvwf_loader.exe (PID: 3032)
    • Reads the computer name

      • cvwf_loader.exe (PID: 2948)
      • cvwf_loader.exe (PID: 3032)
    • Reads default file associations for system extensions

      • cvwf_loader.exe (PID: 2948)
  • INFO

    • Reads the computer name

      • explorer.exe (PID: 2380)
    • Checks supported languages

      • explorer.exe (PID: 2380)
      • NOTEPAD.EXE (PID: 1984)
    • Manual execution by user

      • cvwf_loader.exe (PID: 3796)
      • cvwf_loader.exe (PID: 3032)
      • NOTEPAD.EXE (PID: 1984)
      • explorer.exe (PID: 2380)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (42.2)
.exe | Win64 Executable (generic) (37.3)
.dll | Win32 Dynamic Link Library (generic) (8.8)
.exe | Win32 Executable (generic) (6)
.exe | Generic Win/DOS Executable (2.7)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 5
ImageVersion: -
OSVersion: 5
EntryPoint: 0x39be06
UninitializedDataSize: -
InitializedDataSize: 60928
CodeSize: 7168
LinkerVersion: 10
PEType: PE32
TimeStamp: 2012:04:13 16:57:44+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 13-Apr-2012 14:57:44

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: 7
Time date stamp: 13-Apr-2012 14:57:44
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
0x00001000
0x00001C00
0x00000000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rdata
0x00003000
0x000005E4
0x00000000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
0
.data
0x00004000
0x0000166C
0x00000000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.vmp0
0x00006000
0x00189B8D
0x00000000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
0
.vmp1
0x00190000
0x0032CE50
0x0032D000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.88785
.reloc
0x004BD000
0x0000059C
0x00000600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.08205
.rsrc
0x004BE000
0x0000E0A0
0x0000E000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.19202

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.85948
887
Latin 1 / Western European
UNKNOWN
RT_MANIFEST
2
0
144
Latin 1 / Western European
UNKNOWN
RT_RCDATA
3
5.30351
4264
Latin 1 / Western European
UNKNOWN
RT_ICON
4
5.55174
1128
Latin 1 / Western European
UNKNOWN
RT_ICON
500
2.47834
62
Latin 1 / Western European
UNKNOWN
RT_GROUP_ICON

Imports

advapi32.dll
comdlg32.dll
kernel32.dll
shell32.dll
user32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
49
Monitored processes
5
Malicious processes
0
Suspicious processes
1

Behavior graph

Click at the process to see the details
start cvwf_loader.exe no specs explorer.exe no specs cvwf_loader.exe no specs cvwf_loader.exe notepad.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1984"C:\Windows\system32\NOTEPAD.EXE" C:\Users\admin\AppData\Local\Temp\cvwf_loader.loader.iniC:\Windows\system32\NOTEPAD.EXEExplorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Notepad
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\notepad.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\gdi32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\system32\user32.dll
2380"C:\Windows\explorer.exe" C:\Windows\explorer.exeExplorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\explorer.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\usp10.dll
2948"C:\Users\admin\AppData\Local\Temp\cvwf_loader.exe" C:\Users\admin\AppData\Local\Temp\cvwf_loader.exeExplorer.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\cvwf_loader.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\lpk.dll
c:\windows\system32\user32.dll
c:\windows\system32\usp10.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shlwapi.dll
3032"C:\Users\admin\AppData\Local\Temp\cvwf_loader.exe" C:\Users\admin\AppData\Local\Temp\cvwf_loader.exe
Explorer.EXE
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\cvwf_loader.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\shell32.dll
3796"C:\Users\admin\AppData\Local\Temp\cvwf_loader.exe" C:\Users\admin\AppData\Local\Temp\cvwf_loader.exeExplorer.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\cvwf_loader.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
Total events
3 672
Read events
3 539
Write events
130
Delete events
3

Modification events

(PID) Process:(2948) cvwf_loader.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:writeName:NodeSlots
Value:
0202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202
(PID) Process:(2948) cvwf_loader.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:writeName:MRUListEx
Value:
02000000010000000D0000000C000000000000000B00000007000000060000000A0000000900000008000000030000000500000004000000FFFFFFFF
(PID) Process:(2948) cvwf_loader.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\50\ComDlg
Operation:writeName:TV_FolderType
Value:
{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}
(PID) Process:(2948) cvwf_loader.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\50\ComDlg
Operation:writeName:TV_TopViewID
Value:
{82BA0782-5B7A-4569-B5D7-EC83085F08CC}
(PID) Process:(2948) cvwf_loader.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\50\ComDlg
Operation:writeName:TV_TopViewVersion
Value:
0
(PID) Process:(2948) cvwf_loader.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2948) cvwf_loader.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}
Operation:writeName:Mode
Value:
4
(PID) Process:(2948) cvwf_loader.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}
Operation:writeName:LogicalViewMode
Value:
1
(PID) Process:(2948) cvwf_loader.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}
Operation:writeName:FFlags
Value:
(PID) Process:(2948) cvwf_loader.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}
Operation:writeName:IconSize
Value:
16
Executable files
0
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
3032cvwf_loader.exeC:\Users\admin\AppData\Local\Temp\cvwf_loader.loader.initext
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

No data

DNS requests

No data

Threats

No threats detected
No debug info