File name:

DZClient.exe

Full analysis: https://app.any.run/tasks/ab9e7228-5168-4dbd-a45a-11b3f340a1bc
Verdict: Malicious activity
Analysis date: October 14, 2020, 22:01:42
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
MD5:

82598FE1EDE03223D9AFDA2EF7B06C82

SHA1:

D1AF1731F4B5626DEB4DD375394A2974D450EE1D

SHA256:

8863EC0489CCABC9C10D204F05B237CA866D96F70FCEF8BC04585708AA464D91

SSDEEP:

98304:h3GVvzSrBYKc4ZCSOpl43/F/5OcFTdOZgXWo8YI7pQq61LXn:lG1zSrOjYCqWydOhDYI7pQ

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

      • regsvr32.exe (PID: 1396)
      • DZClient.exe (PID: 1012)

    • Registers / Runs the DLL via REGSVR32.EXE

      • cmd.exe (PID: 1352)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • DZClient.exe (PID: 3240)
      • DZClient.exe (PID: 1012)

    • Reads Internet Cache Settings

      • DZClient.exe (PID: 3240)
      • DZClient.exe (PID: 1012)

    • Starts itself from another location

      • DZClient.exe (PID: 3240)

    • Low-level read access rights to disk partition

      • DZClient.exe (PID: 3240)
      • DZClient.exe (PID: 1012)

    • Creates files in the program directory

      • DZClient.exe (PID: 3240)
      • DZClient.exe (PID: 1012)

    • Reads internet explorer settings

      • DZClient.exe (PID: 1012)

    • Starts CMD.EXE for commands execution

      • DZClient.exe (PID: 1012)

    • Creates COM task schedule object

      • regsvr32.exe (PID: 1396)

  • INFO

    No info indicators.
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 (64.2)
.dll | Win32 Dynamic Link Library (generic) (15.6)
.exe | Win32 Executable (generic) (10.6)
.exe | Generic Win/DOS Executable (4.7)
.exe | DOS Executable Generic (4.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:08:02 11:17:53+02:00
PEType: PE32
LinkerVersion: 6
CodeSize: 5615616
InitializedDataSize: 77824
UninitializedDataSize: 8962048
EntryPoint: 0xde6c00
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 1.0.0.34
ProductVersionNumber: 1.0.0.34
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Chinese (Simplified)
CharacterSet: Unicode
FileVersion: 1.0.0.34
FileDescription: 东震科技电子图
ProductName: 东震科技电子图
ProductVersion: 1.0.0.34
CompanyName: DZKJ PhoneRepair Tools
LegalCopyright: DZKJ PhoneRepair Tools
Comments: DZKJ PhoneRepair Tools

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 02-Aug-2020 09:17:53
Detected languages:
  • Chinese - PRC
  • Italian - Italy
FileVersion: 1.0.0.34
FileDescription: 东震科技电子图
ProductName: 东震科技电子图
ProductVersion: 1.0.0.34
CompanyName: DZKJ PhoneRepair Tools
LegalCopyright: DZKJ PhoneRepair Tools
Comments: DZKJ PhoneRepair Tools

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: 0x00000118

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 02-Aug-2020 09:17:53
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
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
UPX0
0x00001000
0x0088C000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
UPX1
0x0088D000
0x0055B000
0x0055A800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.99996
.rsrc
0x00DE8000
0x00013000
0x00012600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
2.83967

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.02094
697
Latin 1 / Western European
UNKNOWN
RT_MANIFEST
2
2.18858
296
Latin 1 / Western European
Chinese - PRC
RT_ICON
3
2.389
67624
Latin 1 / Western European
UNKNOWN
RT_ICON
4
6.88744
180
Latin 1 / Western European
Chinese - PRC
RT_CURSOR
5
7.29683
308
Latin 1 / Western European
Italian - Italy
RT_CURSOR
6
7.2916
308
Latin 1 / Western European
Italian - Italy
RT_CURSOR
7
7.32003
308
Latin 1 / Western European
Italian - Italy
RT_CURSOR
8
7.31962
308
Latin 1 / Western European
Chinese - PRC
RT_CURSOR
9
7.35626
308
Latin 1 / Western European
Chinese - PRC
RT_CURSOR
127
3.58496
12
Latin 1 / Western European
Chinese - PRC
RT_MENU

Imports

ADVAPI32.dll
AVIFIL32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.DLL
MSIMG32.dll
MSVFW32.dll
OLEAUT32.dll
SHELL32.dll
USER32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
43
Monitored processes
5
Malicious processes
2
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start start dzclient.exe dzclient.exe cmd.exe no specs regsvr32.exe no specs dzclient.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1012"C:\Program Files\dz\DZClient.exe"C:\Program Files\dz\DZClient.exe
DZClient.exe
User:
admin
Company:
DZKJ PhoneRepair Tools
Integrity Level:
HIGH
Description:
东震科技电子图
Exit code:
0
Version:
1.0.0.34
Modules
Images
c:\program files\dz\dzclient.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\avifil32.dll
c:\windows\system32\user32.dll
1352cmd.exe /c regsvr32 /s C:\Users\admin\AppData\Local\Temp\PDF.dllC:\Windows\system32\cmd.exe—DZClient.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
1396regsvr32 /s C:\Users\admin\AppData\Local\Temp\PDF.dllC:\Windows\system32\regsvr32.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft(C) Register Server
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\regsvr32.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\lpk.dll
c:\windows\system32\user32.dll
2508"C:\Users\admin\AppData\Local\Temp\DZClient.exe" C:\Users\admin\AppData\Local\Temp\DZClient.exe—explorer.exe
User:
admin
Company:
DZKJ PhoneRepair Tools
Integrity Level:
MEDIUM
Description:
东震科技电子图
Exit code:
3221226540
Version:
1.0.0.34
Modules
Images
c:\users\admin\appdata\local\temp\dzclient.exe
c:\systemroot\system32\ntdll.dll
3240"C:\Users\admin\AppData\Local\Temp\DZClient.exe" C:\Users\admin\AppData\Local\Temp\DZClient.exe
explorer.exe
User:
admin
Company:
DZKJ PhoneRepair Tools
Integrity Level:
HIGH
Description:
东震科技电子图
Exit code:
0
Version:
1.0.0.34
Modules
Images
c:\users\admin\appdata\local\temp\dzclient.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\avifil32.dll
c:\windows\system32\user32.dll
Total events
329
Read events
282
Write events
47
Delete events
0

Modification events

(PID) Process:(3240) DZClient.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(3240) DZClient.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(3240) DZClient.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(3240) DZClient.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(3240) DZClient.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(3240) DZClient.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3240) DZClient.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3240) DZClient.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Operation:writeName:GlobalAssocChangedCounter
Value:
74
(PID) Process:(1396) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{D519DF02-6454-416B-9B0C-8B8792ACBC2D}\1.0
Operation:writeName:(default)
Value:
SmartPDFLib
(PID) Process:(1396) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{D519DF02-6454-416B-9B0C-8B8792ACBC2D}\1.0\FLAGS
Operation:writeName:(default)
Value:
2
Executable files
2
Suspicious files
3
Text files
16
Unknown types
1

Dropped files

PID
Process
Filename
Type
1012DZClient.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\top[1].gifimage
MD5:—
SHA256:—
1012DZClient.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\6Z2BCOUL\top[1].gifimage
MD5:—
SHA256:—
1012DZClient.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\84[1].htmhtml
MD5:—
SHA256:—
1012DZClient.exeC:\Program Files\dz\down\pz\pcb.xmlbinary
MD5:—
SHA256:—
1012DZClient.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\78RFYB7Z\pcb2[1].initext
MD5:—
SHA256:—
1012DZClient.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\78RFYB7Z\htm[1].inixml
MD5:—
SHA256:—
1012DZClient.exeC:\Program Files\dz\down\pz\img\top.gifimage
MD5:—
SHA256:—
1012DZClient.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\6Z2BCOUL\vip[1].jpgimage
MD5:4687CE2FFDA9887F8EECC8B598AE2BEA
SHA256:—
1012DZClient.exeC:\Users\admin\AppData\Local\Temp\PDF.dllexecutable
MD5:—
SHA256:—
1012DZClient.exeC:\Program Files\dz\down\pz\htm.xmlbinary
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
17
TCP/UDP connections
7
DNS requests
5
Threats
2

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1012
DZClient.exe
GET
200
45.32.234.187:80
http://www.dzkj16888.com/main/gg/84/img/top.gif
NL
image
53.0 Kb
suspicious
1012
DZClient.exe
GET
200
45.32.234.187:80
http://down.dzkj16888.com/pz/pcb2.ini
NL
text
42.1 Kb
suspicious
1012
DZClient.exe
GET
200
45.32.234.187:80
http://www.dzkj16888.com/layui/css/layui.css
NL
text
12.9 Kb
suspicious
1012
DZClient.exe
GET
200
150.109.56.118:80
http://do.nanzhao.cn/zzdz/ver.php?code=84&ver=34
US
text
39 b
unknown
1012
DZClient.exe
GET
200
45.32.234.187:80
http://www.dzkj16888.com/layer/layer.js
NL
text
7.44 Kb
suspicious
1012
DZClient.exe
GET
200
45.32.234.187:80
http://www.dzkj16888.com/img/vip.jpg
NL
image
14.2 Kb
suspicious
1012
DZClient.exe
GET
200
45.32.234.187:80
http://www.dzkj16888.com/img/one.css
NL
text
873 b
suspicious
1012
DZClient.exe
GET
302
45.32.234.187:80
http://www.dzkj16888.com/main/ad/main.php?code=84&ver=34
NL
text
23 b
suspicious
1012
DZClient.exe
GET
200
45.32.234.187:80
http://www.dzkj16888.com/main/gg/84/banner.php
NL
html
667 b
suspicious
1012
DZClient.exe
GET
200
45.32.234.187:80
http://www.dzkj16888.com/img/p.png
NL
image
7.16 Kb
suspicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
1012
DZClient.exe
45.32.234.187:80
www.dzkj16888.com
Choopa, LLC
NL
suspicious
3240
DZClient.exe
45.32.234.187:80
www.dzkj16888.com
Choopa, LLC
NL
suspicious
1012
DZClient.exe
152.199.19.160:80
ajax.aspnetcdn.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
1012
DZClient.exe
58.215.157.250:443
s23.cnzz.com
AS Number for CHINANET jiangsu province backbone
CN
unknown
1012
DZClient.exe
150.109.56.118:80
do.nanzhao.cn
—
US
unknown

DNS requests

Domain
IP
Reputation
www.dzkj16888.com
  • 45.32.234.187
suspicious
down.dzkj16888.com
  • 45.32.234.187
suspicious
ajax.aspnetcdn.com
  • 152.199.19.160
whitelisted
s23.cnzz.com
  • 58.215.157.250
suspicious
do.nanzhao.cn
  • 150.109.56.118
unknown

Threats

PID
Process
Class
Message
3240
DZClient.exe
Potential Corporate Privacy Violation
ET POLICY Unsupported/Fake Windows NT Version 5.0
1012
DZClient.exe
Potential Corporate Privacy Violation
ET POLICY Unsupported/Fake Windows NT Version 5.0
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Reports
DZClient.exe