File name:

msvcr100.dll

Full analysis: https://app.any.run/tasks/7976da82-1c8f-4849-9e8f-0492e8a6cb05
Verdict: Malicious activity
Analysis date: February 11, 2019, 09:30:03
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:

67EC459E42D3081DD8FD34356F7CAFC1

SHA1:

1738050616169D5B17B5ADAC3FF0370B8C642734

SHA256:

1221A09484964A6F38AF5E34EE292B9AFEFCCB3DC6E55435FD3AAF7C235D9067

SSDEEP:

12288:fQmCy3NeRjkpQmj3oaMtQqjoygfXq3kon9IlbgaOxQdVJJ6j5EBKX8hR5:ImCy3VQs9MtLjTgfa3kon9FaOdEz5

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: 3964)

  • SUSPICIOUS

    No suspicious indicators.

  • INFO

    • Loads main object executable

      • rundll32.exe (PID: 2756)

    • Application was crashed

      • rundll32.exe (PID: 2756)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 EXE PECompact compressed (generic) (35.9)
.exe | Win32 Executable MS Visual C++ (generic) (27)
.exe | Win64 Executable (generic) (23.9)
.dll | Win32 Dynamic Link Library (generic) (5.6)
.exe | Win32 Executable (generic) (3.9)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2010:03:18 08:52:30+01:00
PEType: PE32
LinkerVersion: 10
CodeSize: 722432
InitializedDataSize: 44544
UninitializedDataSize: -
EntryPoint: 0x120fc
OSVersion: 5.1
ImageVersion: 10
SubsystemVersion: 5.1
Subsystem: Windows GUI
FileVersionNumber: 10.0.30319.1
ProductVersionNumber: 10.0.30319.1
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Dynamic link library
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
CompanyName: Microsoft Corporation
FileDescription: Microsoft® C Runtime Library
FileVersion: 10.00.30319.1
InternalName: msvcr100_clr0400.dll
LegalCopyright: © Microsoft Corporation. All rights reserved.
OriginalFileName: msvcr100_clr0400.dll
ProductName: Microsoft® Visual Studio® 2010
ProductVersion: 10.00.30319.1

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 18-Mar-2010 07:52:30
Detected languages:
  • English - United States
Debug artifacts:
  • msvcr100.i386.pdb
CompanyName: Microsoft Corporation
FileDescription: Microsoft® C Runtime Library
FileVersion: 10.00.30319.1
InternalName: msvcr100_clr0400.dll
LegalCopyright: © Microsoft Corporation. All rights reserved.
OriginalFilename: msvcr100_clr0400.dll
ProductName: Microsoft® Visual Studio® 2010
ProductVersion: 10.00.30319.1

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: 0x000000E8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 4
Time date stamp: 18-Mar-2010 07:52:30
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
  • IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x000B0501
0x000B0600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.917
.data
0x000B2000
0x00005A7C
0x00004E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.87253
.rsrc
0x000B8000
0x000003F0
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.2856
.reloc
0x000B9000
0x00004C20
0x00004E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.62345

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.44973
908
UNKNOWN
English - United States
RT_VERSION

Imports

KERNEL32.dll

Exports

Title
Ordinal
Address
??0?$_SpinWait@$00@details@Concurrency@@QAE@P6AXXZ@Z
1
0x00045B19
??0?$_SpinWait@$0A@@details@Concurrency@@QAE@P6AXXZ@Z
2
0x00045B19
??0SchedulerPolicy@Concurrency@@QAA@IZZ
3
0x00051F06
??0SchedulerPolicy@Concurrency@@QAE@ABV01@@Z
4
0x000520FC
??0SchedulerPolicy@Concurrency@@QAE@XZ
5
0x00051EF3
??0_NonReentrantBlockingLock@details@Concurrency@@QAE@XZ
6
0x0004AA41
??0_NonReentrantPPLLock@details@Concurrency@@QAE@XZ
7
0x0004AE35
??0_ReaderWriterLock@details@Concurrency@@QAE@XZ
8
0x0004ABB9
??0_ReentrantBlockingLock@details@Concurrency@@QAE@XZ
9
0x0004AA41
??0_ReentrantLock@details@Concurrency@@QAE@XZ
10
0x0004AA6B
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
32
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
2756"C:\Windows\System32\rundll32.exe" "C:\Users\admin\AppData\Local\Temp\msvcr100.dll", ??0?$_SpinWait@$00@details@Concurrency@@QAE@P6AXXZ@ZC:\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
3964C:\Windows\system32\WerFault.exe -u -p 2756 -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\gdi32.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
3964WerFault.exeC:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_msv_44135e5a83ba3e3f58e7df88f77dc8611b9615b_0f65ad0f\Report.werbinary
MD5:—
SHA256:—
3964WerFault.exeC:\Users\admin\AppData\Local\CrashDumps\rundll32.exe.2756.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
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Reports
msvcr100.dll