File name:

MBRLock_Builder.exe

Full analysis: https://app.any.run/tasks/a9bf8c70-7d19-46cf-b845-8afa0aef1365
Verdict: Malicious activity
Analysis date: February 02, 2020, 17:30:20
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+xD9VtxZP:VdE89ZU+dvIfXI3XCaDWZbA0Frt

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

      • mbr-locker.exe (PID: 3220)
      • mbr-locker.exe (PID: 3376)
      • sys3.exe (PID: 3724)

    • Low-level write access rights to disk partition

      • mbr-locker.exe (PID: 3376)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • MBRLock_Builder.exe (PID: 1720)
      • mbr-locker.exe (PID: 3376)

    • Low-level read access rights to disk partition

      • sys3.exe (PID: 3724)
      • mbr-locker.exe (PID: 3376)

    • Application launched itself

      • mbr-locker.exe (PID: 3220)

  • INFO

    • Manual execution by user

      • mbr-locker.exe (PID: 3220)
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
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

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 19-Jun-1992 22:22:17
Detected languages:
  • Russian - Russia
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

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0050
Pages in file: 0x0002
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x000F
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x001A
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000100

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 19-Jun-1992 22:22:17
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_BYTES_REVERSED_HI
  • IMAGE_FILE_BYTES_REVERSED_LO
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
UPX0
0x00001000
0x0004F000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
UPX1
0x00050000
0x0002C000
0x0002B400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.91763
.rsrc
0x0007C000
0x00005000
0x00004A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.7989

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.95218
581
UNKNOWN
UNKNOWN
RT_MANIFEST
2
4.85896
4264
UNKNOWN
Russian - Russia
RT_ICON
3
4.85951
1128
UNKNOWN
Russian - Russia
RT_ICON
4
7.13784
308
UNKNOWN
UNKNOWN
RT_CURSOR
5
7.3672
308
UNKNOWN
UNKNOWN
RT_CURSOR
6
7.26555
308
UNKNOWN
UNKNOWN
RT_CURSOR
7
7.2129
308
UNKNOWN
UNKNOWN
RT_CURSOR
4084
7.56726
584
UNKNOWN
UNKNOWN
RT_STRING
4085
7.53912
504
UNKNOWN
UNKNOWN
RT_STRING
4086
6.93386
204
UNKNOWN
UNKNOWN
RT_STRING

Imports

KERNEL32.DLL
advapi32.dll
comctl32.dll
comdlg32.dll
gdi32.dll
oleaut32.dll
user32.dll
version.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
43
Monitored processes
4
Malicious processes
2
Suspicious processes
1

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
1720"C:\Users\admin\AppData\Local\Temp\MBRLock_Builder.exe" C:\Users\admin\AppData\Local\Temp\MBRLock_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\appdata\local\temp\mbrlock_builder.exe
c:\systemroot\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_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\gdi32.dll
3220"C:\Users\admin\Documents\mbr-locker.exe" C:\Users\admin\Documents\mbr-locker.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
1073807364
Modules
Images
c:\users\admin\documents\mbr-locker.exe
c:\systemroot\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
3376"C:\Users\admin\Documents\mbr-locker.exe" C:\Users\admin\Documents\mbr-locker.exe
mbr-locker.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\documents\mbr-locker.exe
c:\systemroot\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
3724C:\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:\systemroot\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
805
Read events
762
Write events
42
Delete events
1

Modification events

(PID) Process:(1720) MBRLock_Builder.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(1720) MBRLock_Builder.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\ComDlg32\LastVisitedPidlMRULegacy
Operation:writeName:MRUListEx
Value:
FFFFFFFF
(PID) Process:(1720) MBRLock_Builder.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:writeName:NodeSlots
Value:
02020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202
(PID) Process:(1720) MBRLock_Builder.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:writeName:MRUListEx
Value:
02000000010000000A0000000700000009000000080000000000000006000000030000000500000004000000FFFFFFFF
(PID) Process:(1720) MBRLock_Builder.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2
Operation:writeName:MRUListEx
Value:
0000000001000000FFFFFFFF
(PID) Process:(1720) MBRLock_Builder.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\50\ComDlgLegacy
Operation:writeName:TV_FolderType
Value:
{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}
(PID) Process:(1720) MBRLock_Builder.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\50\ComDlgLegacy
Operation:writeName:TV_TopViewID
Value:
{82BA0782-5B7A-4569-B5D7-EC83085F08CC}
(PID) Process:(1720) MBRLock_Builder.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\50\ComDlgLegacy
Operation:writeName:TV_TopViewVersion
Value:
0
(PID) Process:(1720) MBRLock_Builder.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\ComDlg32\LastVisitedPidlMRULegacy
Operation:writeName:0
Value:
4D00420052004C006F0063006B005F004200750069006C006400650072002E00650078006500000014001F4225481E03947BC34DB131E946B44C8DD5740000001A00EEBBFE23000010007DB10D7BD29C934A973346CC89022E7C00002A0000000000EFBE000000200000000000000000000000000000000000000000000000000100000020002A0000001900EFBE7E47B3FBE4C93B4BA2BAD3F5D3CD46F98207BA827A5B6945B5D7EC83085F08CC20000000
(PID) Process:(1720) MBRLock_Builder.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\ComDlg32\LastVisitedPidlMRULegacy
Operation:writeName:MRUListEx
Value:
00000000FFFFFFFF
Executable files
2
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
1720MBRLock_Builder.exeC:\Users\admin\Documents\mbr-locker.exeexecutable
MD5:—
SHA256:—
3376mbr-locker.exeC:\Users\admin\AppData\Local\Temp\systm.txttext
MD5:—
SHA256:—
3376mbr-locker.exeC:\Users\admin\AppData\Local\Temp\sys3.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
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
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Reports
MBRLock_Builder.exe