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File name:

revil.dll

Full analysis: https://app.any.run/tasks/1f4fa411-f107-48dd-9561-9f277914d77e
Verdict: Malicious activity
Analysis date: February 21, 2020, 16:37:20
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5:

B979913C1157D8E0E1066AFBD296E3F3

SHA1:

1016B7581EA09468B93CF635DBE0FF760BCF1428

SHA256:

C40DFD58E6DA0AADE75D09B6A659CF165F072BA89AEF2D60C10C153793535EE7

SSDEEP:

3072:JLFrb30BRtBZZg+i2ayyYOCWGPyLydrkxMT3QmMlRNv3WQ/YC:NJ0BXScFyfC3Hd4ygmyL3Hg

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

    • Loads dropped or rewritten executable

      • rundll32.exe (PID: 2516)

  • SUSPICIOUS

    • Application launched itself

      • rundll32.exe (PID: 3000)

    • Creates files in the program directory

      • rundll32.exe (PID: 2516)

    • Executed via COM

      • unsecapp.exe (PID: 852)

    • Uses RUNDLL32.EXE to load library

      • rundll32.exe (PID: 3000)

    • Executed as Windows Service

      • vssvc.exe (PID: 4068)

    • Creates files in the user directory

      • powershell.exe (PID: 3692)

    • Executes PowerShell scripts

      • rundll32.exe (PID: 2516)

  • INFO

    • Loads main object executable

      • rundll32.exe (PID: 3000)

    • Dropped object may contain TOR URL's

      • rundll32.exe (PID: 2516)
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

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:02:11 21:03:38+01:00
PEType: PE32
LinkerVersion: 14
CodeSize: 96768
InitializedDataSize: 72704
UninitializedDataSize: -
EntryPoint: 0x10a04
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 11-Feb-2020 20:03:38

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: 5
Time date stamp: 11-Feb-2020 20:03:38
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_DLL
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00017974
0x00017A00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.6382
.rdata
0x00019000
0x00002B74
0x00002C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.89912
.data
0x0001C000
0x00001F90
0x00001E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.41442
.41hfa
0x0001E000
0x0000C800
0x0000C800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.46917
.reloc
0x0002B000
0x0000061C
0x00000800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
5.68528

Imports

KERNEL32.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
43
Monitored processes
5
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start rundll32.exe no specs rundll32.exe powershell.exe no specs unsecapp.exe no specs vssvc.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3000"C:\Windows\System32\rundll32.exe" "C:\Users\admin\AppData\Local\Temp\revil.dll", DllMainC:\Windows\System32\rundll32.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2516"C:\Windows\System32\rundll32.exe" C:\Users\admin\AppData\Local\Temp\revil.dll, DllMain C:\Windows\System32\rundll32.exe
rundll32.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3692powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe—rundll32.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows PowerShell
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
852C:\Windows\system32\wbem\unsecapp.exe -EmbeddingC:\Windows\system32\wbem\unsecapp.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Sink to receive asynchronous callbacks for WMI client application
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
4068C:\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)
Total events
300
Read events
235
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
245
Text files
1
Unknown types
6

Dropped files

PID
Process
Filename
Type
3692powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6ST9Q4OX7OZUNB8ZM7TL.temp —
MD5:—
SHA256:—
2516rundll32.exeC:\autoexec.bat —
MD5:—
SHA256:—
2516rundll32.exeC:\ProgramData\ntuser.pol —
MD5:—
SHA256:—
2516rundll32.exeC:\$recycle.bin\s-1-5-21-1302019708-1500728564-335382590-1000\15q97741l-readme.txtbinary
MD5:0C47182124F4D9122F2781956CB77B26
SHA256:B745FABD816FB7AC106BCF3591C3BF61A097B08856495EA1130379D88C028436
2516rundll32.exeC:\recovery\15q97741l-readme.txtbinary
MD5:0C47182124F4D9122F2781956CB77B26
SHA256:B745FABD816FB7AC106BCF3591C3BF61A097B08856495EA1130379D88C028436
2516rundll32.exeC:\$recycle.bin\15q97741l-readme.txtbinary
MD5:0C47182124F4D9122F2781956CB77B26
SHA256:B745FABD816FB7AC106BCF3591C3BF61A097B08856495EA1130379D88C028436
2516rundll32.exeC:\programdata\oracle\15q97741l-readme.txtbinary
MD5:0C47182124F4D9122F2781956CB77B26
SHA256:B745FABD816FB7AC106BCF3591C3BF61A097B08856495EA1130379D88C028436
2516rundll32.exeC:\programdata\adobe\15q97741l-readme.txtbinary
MD5:0C47182124F4D9122F2781956CB77B26
SHA256:B745FABD816FB7AC106BCF3591C3BF61A097B08856495EA1130379D88C028436
2516rundll32.exeC:\users\15q97741l-readme.txtbinary
MD5:0C47182124F4D9122F2781956CB77B26
SHA256:B745FABD816FB7AC106BCF3591C3BF61A097B08856495EA1130379D88C028436
2516rundll32.exeC:\program files\15q97741l-readme.txtbinary
MD5:0C47182124F4D9122F2781956CB77B26
SHA256:B745FABD816FB7AC106BCF3591C3BF61A097B08856495EA1130379D88C028436
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
revil.dll