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File name:

f0418184.dll

Full analysis: https://app.any.run/tasks/4fe00cf6-e32b-4f4e-a9f2-a184c6fa6999
Verdict: Malicious activity
Analysis date: January 17, 2020, 18:19:39
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
evasion
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows, UPX compressed
MD5:

0D5EA703418FC342FDD262586466135B

SHA1:

C37F6859354910D762AEDDF362D86C7A26CA39A5

SHA256:

101E5870564E81B4111A0B6D55B3C444F15E6C6BBE1BF73B4AE4BE72D760301C

SSDEEP:

1536:by81P3/cRbnmKSuL4muVMry33ASbR2JMxK5JuOESigMgkopUrFU5nKG+XTicLCRL:bjl3Sn1Si4muVMs3ASb4ys5JBx/pUpUp

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

      • explorer.exe (PID: 352)

    • Runs injected code in another process

      • rundll32.exe (PID: 748)

    • Application was injected by another process

      • explorer.exe (PID: 352)

    • Changes the autorun value in the registry

      • explorer.exe (PID: 352)

    • Changes appearance of the explorer extensions

      • rundll32.exe (PID: 748)

  • SUSPICIOUS

    • Uses RUNDLL32.EXE to load library

      • explorer.exe (PID: 352)

    • Executable content was dropped or overwritten

      • explorer.exe (PID: 352)

    • Executed via COM

      • explorer.exe (PID: 2260)

    • Uses NETSH.EXE for network configuration

      • explorer.exe (PID: 352)

    • Reads Internet Cache Settings

      • explorer.exe (PID: 352)

    • Checks for external IP

      • explorer.exe (PID: 352)

  • INFO

    • Loads main object executable

      • rundll32.exe (PID: 748)

    • Reads settings of System Certificates

      • explorer.exe (PID: 352)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | UPX compressed Win32 Executable (38.2)
.exe | Win32 EXE Yoda's Crypter (37.5)
.dll | Win32 Dynamic Link Library (generic) (9.2)
.exe | Win32 Executable (generic) (6.3)
.exe | Clipper DOS Executable (2.8)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 1999:10:13 18:01:44+02:00
PEType: PE32
LinkerVersion: 7.1
CodeSize: 81920
InitializedDataSize: 4096
UninitializedDataSize: 20480
EntryPoint: 0x19aa0
OSVersion: 4
ImageVersion: 5.1
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 13-Oct-1999 16:01:44

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: 3
Time date stamp: 13-Oct-1999 16:01:44
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_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
UPX0
0x00001000
0x00005000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
UPX1
0x00006000
0x00014000
0x00013E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.79202
UPX2
0x0001A000
0x00001000
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.66952

Imports

ADVAPI32.dll
GDI32.dll
KERNEL32.DLL
MSVCRT.dll
SHELL32.dll
USER32.dll
ole32.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
5
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
inject start rundll32.exe no specs explorer.exe netsh.exe no specs explorer.exe no specs explorer.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
748"C:\Windows\System32\rundll32.exe" "C:\Users\admin\AppData\Local\Temp\f0418184.dll.exe", DllMainC:\Windows\System32\rundll32.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
352C:\Windows\Explorer.EXEC:\Windows\explorer.exe
—
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2764netsh interface tcp set global autotuning=disabledC:\Windows\system32\netsh.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Network Command Shell
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3812explorer C:\Users\admin\AppDataC:\Windows\explorer.exe—rundll32.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2260C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -EmbeddingC:\Windows\explorer.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
777
Read events
661
Write events
0
Delete events
0

Modification events

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

Dropped files

PID
Process
Filename
Type
352explorer.exeC:\Users\admin\AppData\Roaming\hmcencx.dllexecutable
MD5:0D5EA703418FC342FDD262586466135B
SHA256:101E5870564E81B4111A0B6D55B3C444F15E6C6BBE1BF73B4AE4BE72D760301C
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
4
DNS requests
4
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
352
explorer.exe
GET
301
104.28.24.179:80
http://www.whatismyip.org/
US
—
—
suspicious
352
explorer.exe
GET
200
35.186.238.101:80
http://www.whatsmyipaddress.com/
US
html
800 b
whitelisted
352
explorer.exe
GET
200
216.146.43.70:80
http://checkip.dyndns.org/
US
html
106 b
shared
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
352
explorer.exe
104.28.24.179:443
www.whatismyip.org
Cloudflare Inc
US
shared
352
explorer.exe
35.186.238.101:80
www.whatsmyipaddress.com
Google Inc.
US
whitelisted
352
explorer.exe
104.28.24.179:80
www.whatismyip.org
Cloudflare Inc
US
shared
352
explorer.exe
216.146.43.70:80
checkip.dyndns.org
Dynamic Network Services, Inc.
US
shared

DNS requests

Domain
IP
Reputation
www.whatsmyipaddress.com
  • 35.186.238.101
whitelisted
www.getmyip.org
  • 127.0.0.1
malicious
www.whatismyip.org
  • 104.28.24.179
  • 104.28.25.179
suspicious
checkip.dyndns.org
  • 216.146.43.70
  • 131.186.161.70
  • 162.88.193.70
  • 216.146.43.71
  • 131.186.113.70
shared

Threats

PID
Process
Class
Message
352
explorer.exe
Potential Corporate Privacy Violation
AV POLICY Internal Host Retrieving External IP Address (whatismyip .org)
352
explorer.exe
Attempted Information Leak
ET POLICY IP Check Domain (whatismyip in HTTP Host)
—
—
Misc activity
ET INFO DYNAMIC_DNS Query to *.dyndns. Domain
—
—
Misc activity
AV INFO Query to checkip.dyndns. Domain
352
explorer.exe
Potential Corporate Privacy Violation
ET POLICY External IP Lookup - checkip.dyndns.org
352
explorer.exe
Potentially Bad Traffic
ET POLICY DynDNS CheckIp External IP Address Server Response
No debug info
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Reports
f0418184.dll