File name:

apisetstub

Full analysis: https://app.any.run/tasks/d784c9d1-83fd-4729-93f8-80a68f336fa7
Verdict: Suspicious activity
Analysis date: December 10, 2019, 02:40:17
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
MIME: application/x-dosexec
File info: PE32 executable (DLL) (console) Intel 80386, for MS Windows
MD5:

21E9B3DDC3131933BA05F1C4AFD41AF2

SHA1:

57FD2D73AD06D4A63CF63A13EA21AFEF588E6545

SHA256:

425F97DBD336BE4E4319719F61A67810A1F9B12DFF5CEB921700C3F101ABF0C4

SSDEEP:

384:iOk1JzNcKSIxW2hWmnYPLeeMgCHyzFW78JN77hhcA:ipcKSC/Lw3hKA

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

      • WerFault.exe (PID: 1012)

  • SUSPICIOUS

    No suspicious indicators.

  • INFO

    • Loads main object executable

      • rundll32.exe (PID: 992)
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: 2015:07:10 05:22:43+02:00
PEType: PE32
LinkerVersion: 12.1
CodeSize: 3072
InitializedDataSize: 1024
UninitializedDataSize: -
EntryPoint: 0x0000
OSVersion: 10
ImageVersion: 10
SubsystemVersion: 10
Subsystem: Windows command line
FileVersionNumber: 10.0.10240.16384
ProductVersionNumber: 10.0.10240.16384
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Dynamic link library
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
CompanyName: Microsoft Corporation
FileDescription: ApiSet Stub DLL
FileVersion: 10.0.10240.16384 (th1.150709-1700)
InternalName: apisetstub
LegalCopyright: © Microsoft Corporation. All rights reserved.
OriginalFileName: apisetstub
ProductName: Microsoft® Windows® Operating System
ProductVersion: 10.0.10240.16384

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_CUI
Compilation Date: 10-Jul-2015 03:22:43
Detected languages:
  • English - United States
Debug artifacts:
  • api-ms-win-core-processthreads-l1-1-0.pdb
CompanyName: Microsoft Corporation
FileDescription: ApiSet Stub DLL
FileVersion: 10.0.10240.16384 (th1.150709-1700)
InternalName: apisetstub
LegalCopyright: © Microsoft Corporation. All rights reserved.
OriginalFilename: apisetstub
ProductName: Microsoft® Windows® Operating System
ProductVersion: 10.0.10240.16384

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: 0x000000D0

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 2
Time date stamp: 10-Jul-2015 03:22:43
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
0x00000BF3
0x00000C00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.07283
.rsrc
0x00002000
0x000003E8
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.29409

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.50461
900
UNKNOWN
English - United States
RT_VERSION

Exports

Title
Ordinal
Address
CreateProcessA
1
0x0000135B
CreateProcessAsUserW
2
0x00001388
CreateProcessW
3
0x000013B5
CreateRemoteThread
4
0x000013E0
CreateRemoteThreadEx
5
0x00001411
CreateThread
6
0x0000143C
DeleteProcThreadAttributeList
7
0x00001470
ExitProcess
8
0x000014A3
ExitThread
9
0x000014C3
FlushProcessWriteBuffers
10
0x000014F0
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
36
Monitored processes
2
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start rundll32.exe werfault.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
992"C:\Windows\System32\rundll32.exe" "C:\Users\admin\AppData\Local\Temp\apisetstub.exe", CreateProcessAC:\Windows\System32\rundll32.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
3221225477
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
1012C:\Windows\system32\WerFault.exe -u -p 992 -s 168C:\Windows\system32\WerFault.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Problem Reporting
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\werfault.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\user32.dll
c:\windows\system32\lpk.dll
Total events
12
Read events
12
Write events
0
Delete events
0

Modification events

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

Dropped files

PID
Process
Filename
Type
1012WerFault.exeC:\Users\admin\AppData\Local\CrashDumps\rundll32.exe.992.dmpdmp
MD5:—
SHA256:—
1012WerFault.exeC:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_api_7038a7eafc3b66ff548561ded89d53a3425_03cdd25e\Report.werbinary
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
apisetstub