File name:

MBR Locker Builder.exe

Full analysis: https://app.any.run/tasks/94f5584f-4168-49ff-851e-3b6b0450040e
Verdict: Malicious activity
Analysis date: February 01, 2024, 02:16:04
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, UPX compressed
MD5:

C8F5F007E75F79D7289568406B450A21

SHA1:

424232CD270B7E7D255D440D25188097B9F0E465

SHA256:

BE0830713D84EBE82E0FD2A9380D4E4FBA59B547691A14069EA024C8562396D4

SSDEEP:

3072:9PdEbA9i6ZUVXMdvx4JVAKvj62QvOOi2RW8F1CaDNmS4dZbAX/qcNOG+xD9VtxZG:VdE89ZU+dvIfXI3XCaDWZbA0FrtG

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

      • MBR Locker Builder.exe (PID: 1392)
      • mbr-locker.exe (PID: 3044)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • MBR Locker Builder.exe (PID: 1392)
      • mbr-locker.exe (PID: 3044)

    • Reads the Internet Settings

      • MBR Locker Builder.exe (PID: 1392)
      • mbr-locker.exe (PID: 3768)

    • Application launched itself

      • mbr-locker.exe (PID: 3768)

    • Starts itself from another location

      • mbr-locker.exe (PID: 3044)

  • INFO

    • Reads the computer name

      • MBR Locker Builder.exe (PID: 1392)
      • mbr-locker.exe (PID: 3768)
      • sys3.exe (PID: 2824)

    • Reads the machine GUID from the registry

      • MBR Locker Builder.exe (PID: 1392)

    • Checks supported languages

      • MBR Locker Builder.exe (PID: 1392)
      • mbr-locker.exe (PID: 3768)
      • mbr-locker.exe (PID: 3044)
      • sys3.exe (PID: 2824)

    • Manual execution by a user

      • mbr-locker.exe (PID: 3768)

    • Create files in a temporary directory

      • mbr-locker.exe (PID: 3044)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | UPX compressed Win32 Executable (38.2)
.exe | Win32 EXE Yoda's Crypter (37.5)
.dll | Win32 Dynamic Link Library (generic) (9.2)
.exe | Win32 Executable (generic) (6.3)
.exe | Win16/32 Executable Delphi generic (2.9)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 1992:06:20 00:22:17+02:00
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, Bytes reversed lo, 32-bit, Bytes reversed hi
PEType: PE32
LinkerVersion: 2.25
CodeSize: 180224
InitializedDataSize: 20480
UninitializedDataSize: 323584
EntryPoint: 0x7b180
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 0.2.0.0
ProductVersionNumber: 0.2.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Russian
CharacterSet: Windows, Cyrillic
CompanyName: VaZoNeZ Corp.
FileDescription: [MBRLocker Builder]
FileVersion: 0.2.0.0
InternalName: -
LegalCopyright: Copyrights damned!
LegalTrademarks: -
OriginalFileName: -
ProductName: [MBRLocker Builder]
ProductVersion: 0.2.0.0
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
46
Monitored processes
4
Malicious processes
0
Suspicious processes
1

Behavior graph

Click at the process to see the details
start mbr locker builder.exe mbr-locker.exe no specs mbr-locker.exe sys3.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1392"C:\Users\admin\Desktop\MBR Locker Builder.exe" C:\Users\admin\Desktop\MBR Locker Builder.exe
explorer.exe
User:
admin
Company:
VaZoNeZ Corp.
Integrity Level:
MEDIUM
Description:
[MBRLocker Builder]
Exit code:
1073807364
Version:
0.2.0.0
Modules
Images
c:\users\admin\desktop\mbr locker builder.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\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.24483_none_2b200f664577e14b\comctl32.dll
c:\windows\system32\gdi32.dll
2824C:\Users\admin\AppData\Local\Temp\\sys3.exeC:\Users\admin\AppData\Local\Temp\sys3.exe—mbr-locker.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\sys3.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\crtdll.dll
c:\windows\system32\user32.dll
3044"C:\Users\admin\Desktop\mbr-locker.exe" C:\Users\admin\Desktop\mbr-locker.exe
mbr-locker.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\desktop\mbr-locker.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\crtdll.dll
c:\windows\system32\user32.dll
3768"C:\Users\admin\Desktop\mbr-locker.exe" C:\Users\admin\Desktop\mbr-locker.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
1073807364
Modules
Images
c:\users\admin\desktop\mbr-locker.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\crtdll.dll
c:\windows\system32\user32.dll
Total events
854
Read events
810
Write events
43
Delete events
1

Modification events

(PID) Process:(1392) MBR Locker Builder.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(1392) MBR Locker Builder.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:writeName:NodeSlots
Value:
0202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202
(PID) Process:(1392) MBR Locker Builder.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:writeName:MRUListEx
Value:
010000000200000006000000000000000B000000070000000C0000000D0000000A0000000900000008000000030000000500000004000000FFFFFFFF
(PID) Process:(1392) MBR Locker Builder.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\82\ComDlgLegacy\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}
Operation:writeName:Mode
Value:
6
(PID) Process:(1392) MBR Locker Builder.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\82\ComDlgLegacy\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}
Operation:writeName:LogicalViewMode
Value:
2
(PID) Process:(1392) MBR Locker Builder.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\82\ComDlgLegacy\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}
Operation:writeName:FFlags
Value:
1
(PID) Process:(1392) MBR Locker Builder.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\82\ComDlgLegacy\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}
Operation:writeName:IconSize
Value:
48
(PID) Process:(1392) MBR Locker Builder.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\82\ComDlgLegacy\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}
Operation:writeName:ColInfo
Value:
00000000000000000000000000000000FDDFDFFD100000000000000000000000040000001800000030F125B7EF471A10A5F102608C9EEBAC0A0000008C00000030F125B7EF471A10A5F102608C9EEBAC0C00000046000000A66A63283D95D211B5D600C04FD918D00B0000006900000030F125B7EF471A10A5F102608C9EEBAC0E00000069000000
(PID) Process:(1392) MBR Locker Builder.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\82\ComDlgLegacy\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}
Operation:writeName:Sort
Value:
000000000000000000000000000000000100000030F125B7EF471A10A5F102608C9EEBAC0A00000001000000
(PID) Process:(1392) MBR Locker Builder.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\82\ComDlgLegacy\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}
Operation:writeName:GroupView
Value:
0
Executable files
2
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
3044mbr-locker.exe\Device\Harddisk0\DR0 —
MD5:—
SHA256:—
1392MBR Locker Builder.exeC:\Users\admin\Desktop\mbr-locker.exeexecutable
MD5:A8CC8BCEC02EF4E625B4CEF9420DF3BD
SHA256:CF68A899535496E2D8E76F96C3D4E1559EDBC6B40841F3250F4B7CD59D3E02DE
3044mbr-locker.exeC:\Users\admin\AppData\Local\Temp\sys3.exeexecutable
MD5:A8CC8BCEC02EF4E625B4CEF9420DF3BD
SHA256:CF68A899535496E2D8E76F96C3D4E1559EDBC6B40841F3250F4B7CD59D3E02DE
3044mbr-locker.exeC:\Users\admin\AppData\Local\Temp\systm.txttext
MD5:29ED657519A929C905BE0FFD9A0EEC7F
SHA256:1712270CC9D3BDE3298E49A514773C98B32F5F5A7CE447B662369B570AF27F32
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
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
4
System
192.168.100.255:137
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown

DNS requests

No data

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
© 2017-2025 ANY.RUN ALL RIGHTS RESERVED
ANY.RUN
Reports
MBR Locker Builder.exe