analyze malware
  • Huge database of samples and IOCs
  • Custom VM setup
  • Unlimited submissions
  • Interactive approach
Sign up, it’s free
File name:

79fd3041ab85e378839d2e3cf155fc91a2d541304d209f5d1d57ac7d791190ec.dll

Full analysis: https://app.any.run/tasks/a8d95e90-c87f-41c9-9f1f-b7506e59b627
Verdict: Malicious activity
Analysis date: December 06, 2018, 03:46:36
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (console) Intel 80386, for MS Windows
MD5:

E2347A65B30CCC5B2C4230DAAEEFB897

SHA1:

64C7047898371E81BFC58B8FDA6DA7892A92108D

SHA256:

79FD3041AB85E378839D2E3CF155FC91A2D541304D209F5D1D57AC7D791190EC

SSDEEP:

96:q7GUxNkO6GR0t9GKKr1Zd8NHYVVHp4dEeY3kRnHdMqqyVgNo3e:0XhHR0aTQN4gRHdMqJVgNv

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: 3832)

  • SUSPICIOUS

    No suspicious indicators.

  • INFO

    • Loads main object executable

      • rundll32.exe (PID: 2824)

    • Application was crashed

      • rundll32.exe (PID: 2824)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.dll | Win32 Dynamic Link Library (generic) (43.5)
.exe | Win32 Executable (generic) (29.8)
.exe | Generic Win/DOS Executable (13.2)
.exe | DOS Executable Generic (13.2)

EXIF

EXE

Subsystem: Windows command line
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x18ca
UninitializedDataSize: -
InitializedDataSize: 3584
CodeSize: 3072
LinkerVersion: 6
PEType: PE32
TimeStamp: 2018:01:30 04:57:00+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_CUI
Compilation Date: 30-Jan-2018 03:57:00

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: 0x000000C0

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 4
Time date stamp: 30-Jan-2018 03:57:00
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00000A2E
0x00000C00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.71688
.rdata
0x00002000
0x0000052C
0x00000600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.50437
.data
0x00003000
0x00000494
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.395
.reloc
0x00004000
0x000001CA
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
4.0649

Imports

ADVAPI32.dll
KERNEL32.dll
USER32.dll

Exports

Title
Ordinal
Address
Exec
1
0x00001000
ExecToLog
2
0x0000102D
ExecToStack
3
0x0000105A
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
31
Monitored processes
2
Malicious processes
1
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
2824"C:\Windows\System32\rundll32.exe" "C:\Users\admin\AppData\Local\Temp\79fd3041ab85e378839d2e3cf155fc91a2d541304d209f5d1d57ac7d791190ec.dll", #1C:\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)
3832C:\Windows\system32\WerFault.exe -u -p 2824 -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)
Total events
30
Read events
30
Write events
0
Delete events
0

Modification events

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

Dropped files

PID
Process
Filename
Type
3832WerFault.exeC:\Users\admin\AppData\Local\Temp\WER5333.tmp.appcompat.txt —
MD5:—
SHA256:—
3832WerFault.exeC:\Users\admin\AppData\Local\Temp\WER53B1.tmp.hdmp —
MD5:—
SHA256:—
3832WerFault.exeC:\Users\admin\AppData\Local\Temp\WER546D.tmp.mdmp —
MD5:—
SHA256:—
3832WerFault.exeC:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\AppCrash_rundll32.exe_79f_14e9c54aa7a48e70581a63cee417ac7bc16755c_cab_0ee254e7\Report.werbinary
MD5:250B6F849CFCE6D396C0724C23EBB219
SHA256:C38411A03CEF901E602FADED27574B1C864C6703CFC3ED0196507C21B1A41F6A
3832WerFault.exeC:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\AppCrash_rundll32.exe_79f_14e9c54aa7a48e70581a63cee417ac7bc16755c_cab_0ee254e7\WERD603.tmp.WERInternalMetadata.xmlxml
MD5:778BD1A792D67FDF5DF7AAE54E476AB8
SHA256:354B05525FB73C74B3B20B1A54E29DEFC669FBD4CED8E1218D4564849BB76C06
3832WerFault.exeC:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\AppCrash_rundll32.exe_79f_14e9c54aa7a48e70581a63cee417ac7bc16755c_cab_0ee254e7\WER53B1.tmp.hdmpdmp
MD5:A861D35121DF920954253C91690B51B7
SHA256:2EE68EFF25955BD7604C3E0C108B4F809441EA84C4A349F559425FBFEF0C524C
3832WerFault.exeC:\Users\admin\AppData\Local\Temp\WERD603.tmp.WERInternalMetadata.xmlxml
MD5:778BD1A792D67FDF5DF7AAE54E476AB8
SHA256:354B05525FB73C74B3B20B1A54E29DEFC669FBD4CED8E1218D4564849BB76C06
3832WerFault.exeC:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\AppCrash_rundll32.exe_79f_14e9c54aa7a48e70581a63cee417ac7bc16755c_cab_0ee254e7\WER546D.tmp.mdmpdmp
MD5:6FCD590D25416DD6C3486A16BB2354E7
SHA256:C9439589E80668A821850FC79D871929E69B8367C017A1C190CA4E3F9F113C8B
3832WerFault.exeC:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\AppCrash_rundll32.exe_79f_14e9c54aa7a48e70581a63cee417ac7bc16755c_cab_0ee254e7\WER5333.tmp.appcompat.txtxml
MD5:34C8446301E2509D48CD9FF78F223E63
SHA256:6A48CF463BE3D75F0F71639EFB3CF93418B74D7F7F58D049C244D20E838379C2
3832WerFault.exeC:\Users\admin\AppData\Local\CrashDumps\rundll32.exe.2824.dmpdmp
MD5:D740A3243A25F496BD83E8DC539329E6
SHA256:5097B930AFAF3DD7B4DA77C5682BEFF4BA6AF5CD09607212C809B97C338C0BE3
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
1
DNS requests
1
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3832
WerFault.exe
GET
—
40.67.186.102:80
http://watson.microsoft.com/StageOne/Generic/BEX/rundll32_exe_79fd3041ab85e378839d2e3cf155fc91a2d541304d209f5d1d5/6_1_7600_16385/4a5bc637/StackHash_0a9e/0_0_0_0/00000000/000021ee/c0000005/00000008.htm?LCID=1033&OS=6.1.7601.2.00010100.1.0.48.17514&SM=DELL&SPN=DELL&BV=DELL&MID=3ADE2C42-4AB9-49B7-B142-BE9AEEA69063
US
—
—
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3832
WerFault.exe
40.67.186.102:80
watson.microsoft.com
Microsoft Corporation
US
whitelisted

DNS requests

Domain
IP
Reputation
watson.microsoft.com
  • 40.67.186.102
whitelisted

Threats

PID
Process
Class
Message
3832
WerFault.exe
Potential Corporate Privacy Violation
ET POLICY Application Crash Report Sent to Microsoft
No debug info
Interactive malware hunting service ANY.RUN
© 2017-2024 ANY.RUN LLC. ALL RIGHTS RESERVED
ANY.RUN
Reports
79fd3041ab85e378839d2e3cf155fc91a2d541304d209f5d1d57ac7d791190ec.dll