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File name:

3f8b71735345b93a60b642285f51105e

Full analysis: https://app.any.run/tasks/48afc1ec-4bc9-42f4-bebb-d48416a7047d
Verdict: Malicious activity
Analysis date: July 18, 2019, 15:00:31
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:

3F8B71735345B93A60B642285F51105E

SHA1:

13C5AC80EAD15CE8667C2858910A9DC17B7BD618

SHA256:

437B6848531064A1A0E768DC4709DC634F2B3C8BE9936F6DAF927A7B07262B5F

SSDEEP:

1536:naruoaO0wwHV82+LR27PMW9MhLK+DDLwUAfQ1:nj+LADMWWw+DDLwUZ1

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

      • svchost.exe (PID: 852)
      • WerFault.exe (PID: 4040)
      • explorer.exe (PID: 284)

  • SUSPICIOUS

    • Uses RUNDLL32.EXE to load library

      • explorer.exe (PID: 284)

  • INFO

    • Loads main object executable

      • rundll32.exe (PID: 3076)

    • Application was crashed

      • rundll32.exe (PID: 3076)
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: 2016:02:03 19:04:05+01:00
PEType: PE32
LinkerVersion: 11
CodeSize: 40448
InitializedDataSize: 44544
UninitializedDataSize: -
EntryPoint: 0x3b00
OSVersion: 6
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI
FileVersionNumber: 6.1.7600.16385
ProductVersionNumber: 6.1.7600.16385
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Dynamic link library
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
CompanyName: Microsoft Corporation
FileDescription: Device Information Set DLL
FileVersion: 6.1.7600.16385
LegalCopyright: ©Microsoft Corporation. All rights reserved.
ProductName: Microsoft® Windows® Operating System
ProductVersion: 6.1.7600.16385

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 03-Feb-2016 18:04:05
Detected languages:
  • English - United States
CompanyName: Microsoft Corporation
FileDescription: Device Information Set DLL
FileVersion: 6.1.7600.16385
LegalCopyright: ©Microsoft Corporation. All rights reserved.
ProductName: Microsoft® Windows® Operating System
ProductVersion: 6.1.7600.16385

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: 5
Time date stamp: 03-Feb-2016 18:04:05
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
0x00009D6F
0x00009E00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.50952
.rdata
0x0000B000
0x0000411D
0x00004200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.89023
.data
0x00010000
0x0000333C
0x00001600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
2.40457
.rsrc
0x00014000
0x00000518
0x00000600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.78381
.reloc
0x00015000
0x000030B0
0x00003200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
2.35171

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.51745
760
UNKNOWN
English - United States
RT_VERSION
2
4.91161
381
UNKNOWN
English - United States
RT_MANIFEST

Imports

ADVAPI32.dll
KERNEL32.dll

Exports

Title
Ordinal
Address
_GetTempPathA@8
1
0x000015A0
kp
2
0x00002450
p
3
0x00002420
p1
4
0x00002430
p2
5
0x00002440
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
36
Monitored processes
4
Malicious processes
3
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
3076"C:\Windows\System32\rundll32.exe" "C:\Users\admin\Desktop\3f8b71735345b93a60b642285f51105e.exe", _GetTempPathA@8C:\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)
284C:\Windows\Explorer.EXEC:\Windows\explorer.exe—SearchProtocolHost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
852C:\Windows\system32\svchost.exe -k netsvcsC:\Windows\System32\svchost.exe
services.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Host Process for Windows Services
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
4040C:\Windows\system32\WerFault.exe -u -p 3076 -s 172C:\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)
Total events
879
Read events
879
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
1
Text files
0
Unknown types
3

Dropped files

PID
Process
Filename
Type
852svchost.exeC:\Windows\appcompat\programs\RecentFileCache.bcftxt
MD5:89B163A5751B417E52EE9ABE1034EDD2
SHA256:00D1E1123575F8BBE9ECDE0146CF42470A8AE00FE7A60AAC09A44E71092A16EB
4040WerFault.exeC:\Users\admin\AppData\Local\CrashDumps\rundll32.exe.3076.dmpdmp
MD5:B603CAE6C408C897DD339AAC4E9402EF
SHA256:66F8952035D48C3785E8AD80A23DF0B73CDE21A2A489744557F31C70F2DB8641
4040WerFault.exeC:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_3f8_d41ce41de6d81c0b1d3acd2776532acf6dba29_0fdfc582\Report.werbinary
MD5:3C1F4B3D59512E98D72485EA6F26A474
SHA256:3C8BFABDA087C53E496B9EE218045D679357815A16916F9EA5D33845E2BAB503
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
3f8b71735345b93a60b642285f51105e