File name:

locker.exe

Full analysis: https://app.any.run/tasks/aff5e4b8-9222-4c98-b9f8-95445532de23
Verdict: Malicious activity
Analysis date: June 27, 2022, 17:41:57
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:

FA1B7CEBF2FE98B6C7856480D03C21CA

SHA1:

43F4A919DC697187811ADADCF635FAE9D5627BF6

SHA256:

BB94E593AF7308399290F8F9FB6D027A15089BE59D3370B59636150C7773516E

SSDEEP:

24576:uLjr3s2nScu1i1tz3f++5kRzFxk7rMxNeR1R9qpdBF:Ujrc2So1Ff+B3k796z

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

      • locker.exe (PID: 2716)

    • Starts BCDEDIT.EXE to disable recovery

      • cmd.exe (PID: 2584)
      • cmd.exe (PID: 2548)
      • cmd.exe (PID: 3756)

    • Deletes shadow copies

      • cmd.exe (PID: 2412)
      • cmd.exe (PID: 3756)
      • cmd.exe (PID: 2708)

    • Drops executable file immediately after starts

      • locker.exe (PID: 2716)

  • SUSPICIOUS

    • Executed via COM

      • DllHost.exe (PID: 528)
      • DllHost.exe (PID: 2344)

    • Checks supported languages

      • locker.exe (PID: 2976)
      • locker.exe (PID: 2716)
      • cmd.exe (PID: 3756)
      • WMIC.exe (PID: 3424)
      • WMIC.exe (PID: 3808)
      • WMIC.exe (PID: 3060)

    • Reads the computer name

      • locker.exe (PID: 2976)
      • locker.exe (PID: 2716)
      • WMIC.exe (PID: 3424)
      • WMIC.exe (PID: 3808)
      • WMIC.exe (PID: 3060)

    • Creates files in the Windows directory

      • locker.exe (PID: 2716)

    • Starts CMD.EXE for commands execution

      • locker.exe (PID: 2716)

    • Executed as Windows Service

      • vssvc.exe (PID: 672)

    • Uses WEVTUTIL.EXE to clean Windows Eventlog

      • cmd.exe (PID: 3488)
      • cmd.exe (PID: 3788)
      • cmd.exe (PID: 328)
      • cmd.exe (PID: 2068)
      • cmd.exe (PID: 2520)
      • cmd.exe (PID: 888)

    • Drops a file with a compile date too recent

      • locker.exe (PID: 2716)

    • Creates files in the program directory

      • locker.exe (PID: 2716)

  • INFO

    • Checks supported languages

      • DllHost.exe (PID: 528)
      • DllHost.exe (PID: 2344)
      • vssvc.exe (PID: 672)
      • cmd.exe (PID: 2412)
      • vssadmin.exe (PID: 2676)
      • vssadmin.exe (PID: 2244)
      • cmd.exe (PID: 1420)
      • bcdedit.exe (PID: 3040)
      • cmd.exe (PID: 3168)
      • cmd.exe (PID: 3788)
      • cmd.exe (PID: 3488)
      • cmd.exe (PID: 328)
      • wevtutil.exe (PID: 428)
      • wevtutil.exe (PID: 3256)
      • wevtutil.exe (PID: 2516)
      • cmd.exe (PID: 2584)
      • bcdedit.exe (PID: 1988)
      • vssadmin.exe (PID: 3360)
      • cmd.exe (PID: 2708)
      • bcdedit.exe (PID: 2332)
      • cmd.exe (PID: 2548)
      • bcdedit.exe (PID: 3060)
      • cmd.exe (PID: 2068)
      • cmd.exe (PID: 3420)
      • cmd.exe (PID: 3320)
      • wevtutil.exe (PID: 2712)
      • cmd.exe (PID: 888)
      • wevtutil.exe (PID: 3352)
      • bcdedit.exe (PID: 3260)
      • wevtutil.exe (PID: 1084)
      • cmd.exe (PID: 2520)
      • bcdedit.exe (PID: 4036)

    • Reads the computer name

      • DllHost.exe (PID: 2344)
      • DllHost.exe (PID: 528)
      • vssvc.exe (PID: 672)
      • vssadmin.exe (PID: 2244)
      • wevtutil.exe (PID: 3256)
      • wevtutil.exe (PID: 428)
      • vssadmin.exe (PID: 2676)
      • wevtutil.exe (PID: 2516)
      • vssadmin.exe (PID: 3360)
      • wevtutil.exe (PID: 2712)
      • wevtutil.exe (PID: 3352)
      • wevtutil.exe (PID: 1084)

    • Dropped object may contain Bitcoin addresses

      • locker.exe (PID: 2716)

    • Dropped object may contain TOR URL's

      • locker.exe (PID: 2716)
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

Subsystem: Windows GUI
SubsystemVersion: 5.1
ImageVersion: -
OSVersion: 5.1
EntryPoint: 0xbff90
UninitializedDataSize: -
InitializedDataSize: 99328
CodeSize: 917504
LinkerVersion: 14.16
PEType: PE32
TimeStamp: 2021:07:26 09:34:01+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 26-Jul-2021 07:34:01

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: 0x000000E8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 26-Jul-2021 07:34:01
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x000DFE63
0x000E0000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.59365
.data
0x000E1000
0x00018044
0x0000F800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
6.7902
.idata
0x000FA000
0x000001D6
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.12618

Imports

ACTIVEDS.dll
ADVAPI32.dll
KERNEL32.dll
SHLWAPI.dll
ole32.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
91
Monitored processes
38
Malicious processes
5
Suspicious processes
0

Behavior graph

Click at the process to see the details
start locker.exe no specs CMSTPLUA no specs ColorDataProxy no specs locker.exe cmd.exe no specs vssadmin.exe no specs vssvc.exe no specs cmd.exe no specs vssadmin.exe no specs cmd.exe no specs bcdedit.exe no specs cmd.exe no specs bcdedit.exe no specs cmd.exe no specs wmic.exe no specs cmd.exe no specs wevtutil.exe no specs cmd.exe no specs wevtutil.exe no specs cmd.exe no specs wevtutil.exe no specs cmd.exe no specs vssadmin.exe no specs cmd.exe no specs bcdedit.exe no specs cmd.exe no specs bcdedit.exe no specs cmd.exe no specs wmic.exe no specs cmd.exe no specs wevtutil.exe no specs cmd.exe no specs wevtutil.exe no specs cmd.exe no specs wevtutil.exe no specs wmic.exe no specs bcdedit.exe no specs bcdedit.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
328/c wevtutil cl applicationC:\Windows\system32\cmd.exe—locker.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
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\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
428wevtutil cl systemC:\Windows\system32\wevtutil.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Eventing Command Line Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\kernel32.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\wevtutil.exe
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\ole32.dll
528C:\Windows\system32\DllHost.exe /Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7}C:\Windows\system32\DllHost.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
COM Surrogate
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\dllhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
672C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe—services.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Microsoft® Volume Shadow Copy Service
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\vssvc.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.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\user32.dll
888/c wevtutil cl applicationC:\Windows\system32\cmd.exe—locker.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
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\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
1084wevtutil cl securityC:\Windows\system32\wevtutil.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Eventing Command Line Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\ntdll.dll
c:\windows\system32\wevtutil.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\ole32.dll
c:\windows\system32\msvcrt.dll
1420/c bcdedit /set {default} bootstatuspolicy ignoreallfailuresC:\Windows\system32\cmd.exe—locker.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
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\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
1988bcdedit /set {default} recoveryenabled NoC:\Windows\system32\bcdedit.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Boot Configuration Data Editor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\bcdedit.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
2068/c wevtutil cl securityC:\Windows\system32\cmd.exe—locker.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
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\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2244vssadmin delete shadows /all /quiet C:\Windows\system32\vssadmin.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Command Line Interface for Microsoft® Volume Shadow Copy Service
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\vssadmin.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\atl.dll
c:\windows\system32\user32.dll
Total events
4 822
Read events
4 794
Write events
28
Delete events
0

Modification events

(PID) Process:(528) DllHost.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ICM\Calibration
Operation:writeName:DisplayCalibrator
Value:
C:\Users\admin\AppData\Local\Temp\locker.exe
(PID) Process:(2344) DllHost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(2344) DllHost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(2344) DllHost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(2344) DllHost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(2716) locker.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:{842830CB-C3C3-5346-3A15-3AE502039954}
Value:
"C:\Users\admin\AppData\Local\Temp\locker.exe"
(PID) Process:(2716) locker.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.lockbit\DefaultIcon
Operation:writeName:(default)
Value:
C:\windows\system32\3D2857.ico
(PID) Process:(2716) locker.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Operation:writeName:GlobalAssocChangedCounter
Value:
101
(PID) Process:(2716) locker.exeKey:HKEY_CURRENT_USER\Software\3D2857CBC3EE15
Operation:writeName:Private
Value:
C96FFEAE4D1E87FA32F8FABE48B39B27F4149A69126FD6933F6C875A27C03A22839987CB1348837B3531C116FEADE544CE2004BFC003FD87C43A19CA7D986D55BC8F6D512553888B9EB7327183B9F78103D74FEBD259A77E4780E33B9F50423296527BAFAA88F8823CE8DE65900D08BD
(PID) Process:(2716) locker.exeKey:HKEY_CURRENT_USER\Software\3D2857CBC3EE15
Operation:writeName:Public
Value:
7652B9F4CA6A02EB7056BB4AEF915F94D93683616C435310A05C60578490101B
Executable files
0
Suspicious files
2 922
Text files
977
Unknown types
95

Dropped files

PID
Process
Filename
Type
2716locker.exeC:\Program Files\Adobe\Acrobat Reader DC\Reader\1494870c-9912-c184-4cc9-b401-a53f4d8de290.pdf.lockbitbinary
MD5:—
SHA256:—
2716locker.exeC:\program files\adobe\acrobat reader dc\reader\acroapp\enu\combine_r_rhp.aappbinary
MD5:—
SHA256:—
2716locker.exeC:\program files\adobe\acrobat reader dc\reader\acroapp\enu\compare_r_rhp.aappbinary
MD5:—
SHA256:—
2716locker.exeC:\program files\adobe\acrobat reader dc\reader\Restore-My-Files.txttext
MD5:—
SHA256:—
2716locker.exeC:\program files\adobe\acrobat reader dc\reader\acroapp\enu\accessibility_r_rhp.aappbinary
MD5:—
SHA256:—
2716locker.exeC:\program files\adobe\acrobat reader dc\reader\acroapp\enu\Restore-My-Files.txttext
MD5:—
SHA256:—
2716locker.exeC:\program files\adobe\acrobat reader dc\reader\acroapp\enu\actions_r_rhp.aappbinary
MD5:—
SHA256:—
2716locker.exeC:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroApp\ENU\accessibility_r_rhp.aapp.lockbitbinary
MD5:—
SHA256:—
2716locker.exeC:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroApp\ENU\actions_r_rhp.aapp.lockbitbinary
MD5:—
SHA256:—
2716locker.exeC:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroApp\ENU\appcenter_r.aapp.lockbitbinary
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
8
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

PID
Process
IP
Domain
ASN
CN
Reputation
—
—
192.168.100.1:135
—
—
—
unknown
—
—
192.168.100.2:135
—
—
—
whitelisted
—
—
192.168.100.1:445
—
—
—
unknown
—
—
192.168.100.2:445
—
—
—
whitelisted

DNS requests

No data

Threats

No threats detected
No debug info
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Reports
locker.exe