File name:

dll.exe

Full analysis: https://app.any.run/tasks/dce3942c-1417-4981-a15f-190e99942662
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: April 13, 2019, 03:42:24
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, for MS Windows, UPX compressed
MD5:

3572986D1678E57F8DAB72879EB3E20C

SHA1:

41B6036C79B84C89EF1F58C92FE5F26DE11DC1CB

SHA256:

DAFB65EFB81AE6ABDFBEA11C40FCDCA2B2606069F9578273B408A4BD1C6F6B1B

SSDEEP:

3072:xXI+unlWO/aKhj3vLR59NYjOgbEh70M8pzkfSWvl1Ba6rJdU8Z:xY3l9Rhj3V5DqOgbEUKKgl1BHM

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

      • dll.exe (PID: 2548)

  • SUSPICIOUS

    • Creates files in the program directory

      • dll.exe (PID: 2548)

    • Creates files in the user directory

      • dll.exe (PID: 2548)

    • Creates files like Ransomware instruction

      • dll.exe (PID: 2548)

    • Executable content was dropped or overwritten

      • dll.exe (PID: 2548)

  • INFO

    No info indicators.
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 (64.2)
.dll | Win32 Dynamic Link Library (generic) (15.6)
.exe | Win32 Executable (generic) (10.6)
.exe | Generic Win/DOS Executable (4.7)
.exe | DOS Executable Generic (4.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2017:12:28 08:08:20+01:00
PEType: PE32
LinkerVersion: 9
CodeSize: 122880
InitializedDataSize: 16384
UninitializedDataSize: 3624960
EntryPoint: 0x392f50
OSVersion: 5
ImageVersion: -
SubsystemVersion: 5
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 28-Dec-2017 07:08:20

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: 0x000000F8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 28-Dec-2017 07:08:20
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
UPX0
0x00001000
0x00375000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
UPX1
0x00376000
0x0001E000
0x0001D200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.85663
.rsrc
0x00394000
0x00004000
0x00003A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.90589

Imports

ADVAPI32.dll
GDI32.dll
KERNEL32.DLL
SHELL32.dll
USER32.dll
ole32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
39
Monitored processes
4
Malicious processes
1
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
1848"C:\Windows\system32\NOTEPAD.EXE" C:\Users\admin\Desktop\_HELP_INSTRUCTION.TXTC:\Windows\system32\NOTEPAD.EXE—dll.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:\systemroot\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
2548"C:\Users\admin\AppData\Local\Temp\dll.exe" C:\Users\admin\AppData\Local\Temp\dll.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\dll.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\gdi32.dll
c:\windows\system32\user32.dll
2888"C:\Windows\system32\NOTEPAD.EXE" C:\Users\admin\Desktop\_HELP_INSTRUCTION.TXTC:\Windows\system32\NOTEPAD.EXE—dll.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:\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\gdi32.dll
c:\windows\system32\user32.dll
4916"C:\Windows\system32\NOTEPAD.EXE" C:\Users\admin\Desktop\_HELP_INSTRUCTION.TXTC:\Windows\system32\NOTEPAD.EXE—dll.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:\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\gdi32.dll
c:\windows\system32\user32.dll
Total events
182
Read events
72
Write events
110
Delete events
0

Modification events

(PID) Process:(2548) dll.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:00FF1C9B74E8
Value:
"C:\Users\admin\AppData\Local\Temp\dll.exe"
(PID) Process:(2548) dll.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion
Operation:writeName:FF1C9B74E8
Value:
fc8d7274-8b3c-4e9c-803c-c426d633df26
(PID) Process:(2548) dll.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:BC1C9B74E8
Value:
"C:\ProgramData\BC1C9B74E8.exe"
(PID) Process:(2548) dll.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
Operation:writeName:*BC1C9B74E8
Value:
"C:\ProgramData\BC1C9B74E8.exe"
(PID) Process:(2548) dll.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion
Operation:writeName:1C9B74E8
Value:
1
(PID) Process:(2548) dll.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion
Operation:writeName:1C9B74E8
Value:
2
(PID) Process:(2548) dll.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion
Operation:writeName:1C9B74E8
Value:
3
(PID) Process:(2548) dll.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion
Operation:writeName:1C9B74E8
Value:
4
(PID) Process:(2548) dll.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion
Operation:writeName:1C9B74E8
Value:
5
(PID) Process:(2548) dll.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion
Operation:writeName:1C9B74E8
Value:
6
Executable files
1
Suspicious files
230
Text files
3
Unknown types
7

Dropped files

PID
Process
Filename
Type
2548dll.exeC:\Users\admin\AppData\Local\VirtualStore\_HELP_INSTRUCTION.TXTbinary
MD5:—
SHA256:—
2548dll.exeC:\Users\admin\A883C66434EEE18CDFE340923652C540.DLLbinary
MD5:—
SHA256:—
2548dll.exeC:\Users\admin\_HELP_INSTRUCTION.TXTbinary
MD5:—
SHA256:—
2548dll.exeC:\ProgramData\_HELP_INSTRUCTION.TXTbinary
MD5:—
SHA256:—
2548dll.exeC:\Users\admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1302019708-1500728564-335382590-1000\0f5007522459c86e95ffcc62f32308f1_90059c37-1320-41a4-b58d-2b75a9850d2fbinary
MD5:—
SHA256:—
2548dll.exeC:\Users\admin\AppData\_HELP_INSTRUCTION.TXTbinary
MD5:—
SHA256:—
2548dll.exeC:\ProgramData\BC1C9B74E8.exeexecutable
MD5:—
SHA256:—
2548dll.exeC:\Users\admin\AppData\Local\VirtualStore\Program Files\_HELP_INSTRUCTION.TXTbinary
MD5:—
SHA256:—
2548dll.exeC:\ProgramData\F06C3C509054X0B7D28ZCDDBB17087B9C3E.DLLtext
MD5:768C3430468A24ABD6CF80D6BE458F9C
SHA256:327725419EF3AE8CD8C2D7F79F7481510EBEB7A930C0021865311220B6CE0E15
2548dll.exeC:\Users\admin\Contacts\A73BD2F91AA87B28A43E325F1C0C5EDC.DLLbinary
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
Process
Message
dll.exe
-
dll.exe
START1
dll.exe
?
dll.exe
?
dll.exe
?
dll.exe
?
dll.exe
?
dll.exe
END1
dll.exe
START2
dll.exe
C:
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Reports
dll.exe