download:

update.dll

Full analysis: https://app.any.run/tasks/8f0e0ce5-1397-4f2d-a0f4-fc3082673c2d
Verdict: Malicious activity
Analysis date: July 10, 2020, 01:15:12
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:

23607DF83A8C417844CE536D300D07D9

SHA1:

555999085969F600E30E379AE982762B6C319B0B

SHA256:

C15A16ACAAB7B12A7BC24416A36C5F7DC04F6512AC278F1877C231B0A03C76C0

SSDEEP:

12288:hcm8hkw56GHhTNgDo4ugUcfmN+/tRbcDyyaIJekGB:hc15cihTNfMU/+/tRbcMRrB

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

      • rundll32.exe (PID: 2572)

    • Actions looks like stealing of personal data

      • rundll32.exe (PID: 2572)

    • Loads the Task Scheduler COM API

      • rundll32.exe (PID: 2572)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • rundll32.exe (PID: 2572)

    • Creates files in the user directory

      • rundll32.exe (PID: 2572)

  • INFO

    • Loads main object executable

      • rundll32.exe (PID: 2572)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (64.6)
.dll | Win32 Dynamic Link Library (generic) (15.4)
.exe | Win32 Executable (generic) (10.5)
.exe | Generic Win/DOS Executable (4.6)
.exe | DOS Executable Generic (4.6)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:07:01 14:23:29+02:00
PEType: PE32
LinkerVersion: 11
CodeSize: 360960
InitializedDataSize: 356864
UninitializedDataSize: -
EntryPoint: 0x29b32
OSVersion: 6
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI
FileVersionNumber: 6.2.9200.20789
ProductVersionNumber: 6.2.9200.20789
FileFlagsMask: 0x003f
FileFlags: Private build
FileOS: Windows NT 32-bit
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
CompanyName: Windows (R) Win 7 DDK provider
FileDescription: File comparison utility
FileVersion: 6.2.9200.20789
InternalName: SDKDIFF.EXE
LegalCopyright: © Microsoft Corporation. All rights reserved.
OriginalFileName: SDKDIFF.EXE
ProductName: Windows (R) Win 7 DDK driver
ProductVersion: 6.2.9200.20789

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 01-Jul-2020 12:23:29
Detected languages:
  • English - United States
Debug artifacts:
  • C:\Users\User\Desktop\Windows-classic-samples-master\Windows-classic-samples-master\Samples\Win7Samples\begin\sdkdiff\Win32\Release\sdkdiff.pdb
CompanyName: Windows (R) Win 7 DDK provider
FileDescription: File comparison utility
FileVersion: 6.2.9200.20789
InternalName: SDKDIFF.EXE
LegalCopyright: © Microsoft Corporation. All rights reserved.
OriginalFilename: SDKDIFF.EXE
ProductName: Windows (R) Win 7 DDK driver
ProductVersion: 6.2.9200.20789

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: 0x00000100

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 7
Time date stamp: 01-Jul-2020 12:23:29
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
0x00058183
0x00058200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.78399
.rdata
0x0005A000
0x0000CB40
0x0000CC00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.87483
.data
0x00067000
0x00038B40
0x00035200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.20043
.idata
0x000A0000
0x00001E8B
0x00002000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.78134
.tls
0x000A2000
0x00004FD5
0x00005000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rsrc
0x000A7000
0x00005C99
0x00005E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.14653
.reloc
0x000AD000
0x00004B88
0x00004C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.25726

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.58382
876
UNKNOWN
English - United States
RT_VERSION
2
4.91161
381
UNKNOWN
English - United States
RT_MANIFEST
3
2.03848
308
UNKNOWN
English - United States
RT_CURSOR
26
2.75401
144
UNKNOWN
English - United States
RT_STRING
41
2.90062
210
UNKNOWN
English - United States
RT_STRING
42
3.36264
656
UNKNOWN
English - United States
RT_STRING
43
2.34548
88
UNKNOWN
English - United States
RT_STRING
44
3.40221
408
UNKNOWN
English - United States
RT_STRING
45
3.36387
878
UNKNOWN
English - United States
RT_STRING
46
3.46803
1184
UNKNOWN
English - United States
RT_STRING

Imports

ADVAPI32.dll
COMDLG32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll

Exports

Title
Ordinal
Address
DllRegisterServer
1
0x0000150F
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
33
Monitored processes
1
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start rundll32.exe

Process information

PID
CMD
Path
Indicators
Parent process
2572"C:\Windows\System32\rundll32.exe" C:\Users\admin\AppData\Local\Temp\update.dll,DllRegisterServerC:\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)
Modules
Images
c:\windows\system32\rundll32.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imagehlp.dll
Total events
18
Read events
18
Write events
0
Delete events
0

Modification events

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

Dropped files

PID
Process
Filename
Type
2572rundll32.exeC:\Users\admin\AppData\Roaming\ArtPress\compatibility.initext
MD5:—
SHA256:—
2572rundll32.exeC:\Users\admin\AppData\Roaming\ArtPress\nvrundll32dn.mgbexecutable
MD5:51138BEEA3E2C21EC44D0932C71762A8
SHA256:5AD3C37E6F2B9DB3EE8B5AEEDC474645DE90C66E3D95F8620C48102F1EBA4124
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
10
DNS requests
0
Threats
3

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
—
—
185.14.31.104:443
—
ITL Company
NL
malicious
2572
rundll32.exe
185.14.31.104:443
—
ITL Company
NL
malicious
2572
rundll32.exe
134.119.191.11:443
—
velia.net Internetdienste GmbH
FR
malicious
2572
rundll32.exe
185.99.2.65:443
—
Globalhost d.o.o.
BA
suspicious

DNS requests

No data

Threats

PID
Process
Class
Message
—
—
Potentially Bad Traffic
ET INFO TLS Handshake Failure
—
—
Potentially Bad Traffic
ET INFO TLS Handshake Failure
—
—
Potentially Bad Traffic
ET INFO TLS Handshake Failure
No debug info
Interactive malware hunting service ANY.RUN
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Reports
update.dll