download:

libcurl.dll

Full analysis: https://app.any.run/tasks/0fea4560-904d-420b-a4ce-1936585ffac1
Verdict: Malicious activity
Analysis date: October 07, 2019, 19:32:27
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (DLL) (console) Intel 80386, for MS Windows
MD5:

52BEE949750BE5FAE9D84E1944C15587

SHA1:

7EDEC05BCC4B510ECE802F3812FC83C2EF6F94F8

SHA256:

F328D32208562535CF364ABE37D878CD0BAD997AD055BD0705625E5338AE029A

SSDEEP:

6144:esQP7gWNS20CRvnYX1Z1pSudMYYvwaQ4guyceKGnq2ShkCoub:lQzgjYFYFZ1pSu6YiwaQDUMu

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: 1468)
  • SUSPICIOUS

    No suspicious indicators.
  • INFO

    • Loads main object executable

      • rundll32.exe (PID: 2604)
    • Application was crashed

      • rundll32.exe (PID: 2604)
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: 2016:01:08 03:27:50+01:00
PEType: PE32
LinkerVersion: 11
CodeSize: 217088
InitializedDataSize: 51200
UninitializedDataSize: -
EntryPoint: 0x35919
OSVersion: 6
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows command line
FileVersionNumber: 7.46.0.0
ProductVersionNumber: 7.46.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Dynamic link library
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
CompanyName: The cURL library, http://curl.haxx.se/
FileDescription: libcurl Shared Library
FileVersion: 7.46.0
InternalName: libcurl
OriginalFileName: libcurl.dll
ProductName: The cURL library
ProductVersion: 7.46.0
LegalCopyright: ?1996 - 2015 Daniel Stenberg, <daniel@haxx.se>.
License: http://curl.haxx.se/docs/copyright.html

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_CUI
Compilation Date: 08-Jan-2016 02:27:50
Detected languages:
  • English - United States
CompanyName: The cURL library, http://curl.haxx.se/
FileDescription: libcurl Shared Library
FileVersion: 7.46.0
InternalName: libcurl
OriginalFilename: libcurl.dll
ProductName: The cURL library
ProductVersion: 7.46.0
LegalCopyright: ?1996 - 2015 Daniel Stenberg, <daniel@haxx.se>.
License: http://curl.haxx.se/docs/copyright.html

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: 08-Jan-2016 02:27:50
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
0x00034FC6
0x00035000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.3674
.rdata
0x00036000
0x000091D4
0x00009200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.45283
.data
0x00040000
0x000004C8
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0.995066
.rsrc
0x00041000
0x000005C8
0x00000600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.03272
.reloc
0x00042000
0x0000281A
0x00002A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.40531

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.45114
936
UNKNOWN
English - United States
RT_VERSION
2
4.91161
381
UNKNOWN
English - United States
RT_MANIFEST

Imports

ADVAPI32.dll
KERNEL32.dll
MSVCR110.dll
WLDAP32.dll
WS2_32.dll

Exports

Title
Ordinal
Address
curl_easy_cleanup
1
0x00009590
curl_easy_duphandle
2
0x000095B0
curl_easy_escape
3
0x00009FB0
curl_easy_getinfo
4
0x00009770
curl_easy_init
5
0x00009790
curl_easy_pause
6
0x00009820
curl_easy_perform
7
0x000098B0
curl_easy_recv
8
0x000098D0
curl_easy_reset
9
0x00009960
curl_easy_send
10
0x000099F0
No data.
screenshotscreenshot
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
1468C:\Windows\system32\WerFault.exe -u -p 2604 -s 180C:\Windows\system32\WerFault.exesvchost.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\gdi32.dll
2604"C:\Windows\System32\rundll32.exe" "C:\Users\admin\Desktop\libcurl.dll", curl_easy_cleanupC:\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\msvcrt.dll
c:\windows\system32\usp10.dll
c:\windows\system32\imagehlp.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
1468WerFault.exeC:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_lib_c1d03568789eabbcd57c4ff5d8a7be5afbdff50_05a48a1a\Report.werbinary
MD5:
SHA256:
1468WerFault.exeC:\Users\admin\AppData\Local\CrashDumps\rundll32.exe.2604.dmpdmp
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