File name:

installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe

Full analysis: https://app.any.run/tasks/cb5dcee8-26cc-4d3b-a3eb-cadf2b5692b8
Verdict: Malicious activity
Analysis date: July 05, 2021, 08:21:13
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, Nullsoft Installer self-extracting archive
MD5:

E12EEF5C3BC4938008ED084C925B81E6

SHA1:

D73E7E41CCD7C1150F634CE210E16AB5B7C110CA

SHA256:

8FD91B64F49AA33E299D426D3C6C212002AB1F5057E3EF6EB20F2B31E686F9A1

SSDEEP:

49152:QHW9IFpuj4Cm8A4Iv0TOCn7dpA92wwNKTYY:Qk2A4C/AD8T5n7PA92H8r

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

    • Drops executable file immediately after starts

      • installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe (PID: 3260)

    • Loads dropped or rewritten executable

      • installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe (PID: 3260)

    • Starts NET.EXE for service management

      • nsE573.tmp (PID: 1728)
      • nsE4F5.tmp (PID: 3844)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe (PID: 3260)

    • Drops a file that was compiled in debug mode

      • installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe (PID: 3260)

    • Reads the computer name

      • installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe (PID: 3260)

    • Checks supported languages

      • installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe (PID: 3260)
      • nsE4F5.tmp (PID: 3844)
      • nsE573.tmp (PID: 1728)

    • Starts application with an unusual extension

      • installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe (PID: 3260)

    • Executed via COM

      • DllHost.exe (PID: 2504)

  • INFO

    • Checks supported languages

      • net.exe (PID: 1348)
      • net1.exe (PID: 2316)
      • net1.exe (PID: 1416)
      • net.exe (PID: 3496)
      • DllHost.exe (PID: 2504)

    • Reads the computer name

      • net1.exe (PID: 2316)
      • net1.exe (PID: 1416)
      • DllHost.exe (PID: 2504)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (67.4)
.dll | Win32 Dynamic Link Library (generic) (14.2)
.exe | Win32 Executable (generic) (9.7)
.exe | Generic Win/DOS Executable (4.3)
.exe | DOS Executable Generic (4.3)

EXIF

EXE

ProductVersion: 1.0.0.0
ProductName: Topsec Enterprise Security
LegalCopyright: Beijing Topsec Network Security Technology Co., Ltd.
FileVersion: 1.0.15.0
FileDescription: Topsec Enterprise Security
CompanyName: Beijing Topsec Network Security Technology Co., Ltd.
CharacterSet: Windows, Latin1
LanguageCode: English (U.S.)
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x0000
ProductVersionNumber: 1.0.15.0
FileVersionNumber: 1.0.15.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: 6
OSVersion: 4
EntryPoint: 0x34a5
UninitializedDataSize: 2048
InitializedDataSize: 141824
CodeSize: 26112
LinkerVersion: 6
PEType: PE32
TimeStamp: 2018:12:15 23:24:36+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 15-Dec-2018 22:24:36
Detected languages:
  • Chinese - PRC
  • English - United States
CompanyName: 北京天融信科技股份有限公司
FileDescription: 天融信企业安全软件
FileVersion: 1.0.15.0
LegalCopyright: 北京天融信科技股份有限公司
ProductName: 天融信企业安全软件
ProductVersion: 1.0.0.0

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: 0x000000D8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 15-Dec-2018 22:24:36
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
.text
0x00001000
0x00006409
0x00006600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.41619
.rdata
0x00008000
0x00001396
0x00001400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.15491
.data
0x0000A000
0x00020358
0x00000600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.0044
.ndata
0x0002B000
0x00014000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rsrc
0x0003F000
0x00013BA8
0x00012E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
6.3716

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.28733
841
UNKNOWN
English - United States
RT_MANIFEST
2
4.68081
9640
UNKNOWN
English - United States
RT_ICON
3
4.64819
4264
UNKNOWN
English - United States
RT_ICON
4
5.55627
3752
UNKNOWN
English - United States
RT_ICON
5
5.07542
2440
UNKNOWN
English - United States
RT_ICON
6
6.00379
2216
UNKNOWN
English - United States
RT_ICON
7
4.42841
1736
UNKNOWN
English - United States
RT_ICON
8
3.62304
1640
UNKNOWN
English - United States
RT_ICON
9
3.52553
1384
UNKNOWN
English - United States
RT_ICON
10
5.51801
1128
UNKNOWN
English - United States
RT_ICON

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
ole32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
47
Monitored processes
9
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe nse4f5.tmp no specs net.exe no specs net1.exe no specs nse573.tmp no specs net1.exe no specs net.exe no specs PhotoViewer.dll no specs installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1348net stop TopsecDaemonC:\Windows\system32\net.exe—nsE4F5.tmp
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Net Command
Exit code:
2
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\net.exe
c:\windows\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\netutils.dll
c:\windows\system32\browcli.dll
1416C:\Windows\system32\net1 stop TopsecClientC:\Windows\system32\net1.exe—net.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Net Command
Exit code:
2
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\net1.exe
c:\windows\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\dsrole.dll
c:\windows\system32\netutils.dll
1728"C:\Users\admin\AppData\Local\Temp\nsn6BEB.tmp\nsE573.tmp" net stop TopsecClientC:\Users\admin\AppData\Local\Temp\nsn6BEB.tmp\nsE573.tmp—installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe
User:
admin
Integrity Level:
HIGH
Exit code:
2
Modules
Images
c:\users\admin\appdata\local\temp\nsn6beb.tmp\nse573.tmp
c:\windows\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\advapi32.dll
2316C:\Windows\system32\net1 stop TopsecDaemonC:\Windows\system32\net1.exe—net.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Net Command
Exit code:
2
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\net1.exe
c:\windows\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\dsrole.dll
c:\windows\system32\netutils.dll
2464"C:\Users\admin\AppData\Local\Temp\installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe" C:\Users\admin\AppData\Local\Temp\installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe—Explorer.EXE
User:
admin
Company:
Beijing Topsec Network Security Technology Co., Ltd.
Integrity Level:
MEDIUM
Description:
Topsec Enterprise Security
Exit code:
3221226540
Version:
1.0.15.0
Modules
Images
c:\users\admin\appdata\local\temp\installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe
c:\windows\system32\ntdll.dll
2504C:\Windows\system32\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}C:\Windows\system32\DllHost.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
COM Surrogate
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\dllhost.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3260"C:\Users\admin\AppData\Local\Temp\installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe" C:\Users\admin\AppData\Local\Temp\installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe
Explorer.EXE
User:
admin
Company:
Beijing Topsec Network Security Technology Co., Ltd.
Integrity Level:
HIGH
Description:
Topsec Enterprise Security
Exit code:
0
Version:
1.0.15.0
Modules
Images
c:\users\admin\appdata\local\temp\installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe
c:\windows\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\shlwapi.dll
3496net stop TopsecClientC:\Windows\system32\net.exe—nsE573.tmp
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Net Command
Exit code:
2
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\net.exe
c:\windows\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\netutils.dll
c:\windows\system32\browcli.dll
3844"C:\Users\admin\AppData\Local\Temp\nsn6BEB.tmp\nsE4F5.tmp" net stop TopsecDaemonC:\Users\admin\AppData\Local\Temp\nsn6BEB.tmp\nsE4F5.tmp—installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe
User:
admin
Integrity Level:
HIGH
Exit code:
2
Modules
Images
c:\users\admin\appdata\local\temp\nsn6beb.tmp\nse4f5.tmp
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\usp10.dll
c:\windows\system32\advapi32.dll
Total events
1 057
Read events
1 052
Write events
5
Delete events
0

Modification events

(PID) Process:(3260) installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Topsec\ESEndpoint
Operation:writeName:InstallPath
Value:
C:\Program Files\Topsec\ESEndpoint
(PID) Process:(3260) installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Topsec\ESEndpoint\app
Operation:writeName:DataPath
Value:
C:\ProgramData\Topsec\ESEndpoint\
(PID) Process:(3260) installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Topsec\ESEndpoint\app
Operation:writeName:UpdateLink
Value:
https://edrcom.topsec.com.cn:8090
(PID) Process:(2504) DllHost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Direct3D\MostRecentApplication
Operation:writeName:Name
Value:
DllHost.exe
(PID) Process:(2504) DllHost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows Photo Viewer\Viewer
Operation:writeName:MainWndPos
Value:
6000000034000000A00400008002000000000000
Executable files
11
Suspicious files
6
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3260installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exeC:\Users\admin\AppData\Local\Temp\nsn6BEB.tmp\libxsse.dllexecutable
MD5:—
SHA256:—
3260installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exeC:\Users\admin\AppData\Local\Temp\nsn6BEB.tmp\jansson.dllexecutable
MD5:—
SHA256:—
3260installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exeC:\Users\admin\AppData\Local\Temp\nsn6BEB.tmp\inst.uicompressed
MD5:—
SHA256:—
3260installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exeC:\Users\admin\AppData\Local\Temp\nsn6BEB.tmp\upgrade.dllexecutable
MD5:—
SHA256:—
3260installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exeC:\Users\admin\AppData\Local\Temp\nsn6BEB.tmp\libcurl.dllexecutable
MD5:—
SHA256:—
3260installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exeC:\Users\admin\AppData\Local\Temp\nsn6BEB.tmp\System.dllexecutable
MD5:0D7AD4F45DC6F5AA87F606D0331C6901
SHA256:3EB38AE99653A7DBC724132EE240F6E5C4AF4BFE7C01D31D23FAF373F9F2EACA
3260installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exeC:\Users\admin\AppData\Local\Temp\nsn6BEB.tmp\installer-helper.dllexecutable
MD5:—
SHA256:—
3260installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exeC:\Users\admin\AppData\Local\Temp\nsn6BEB.tmp\nsE573.tmpexecutable
MD5:EC0504E6B8A11D5AAD43B296BEEB84B2
SHA256:5D9CEB1CE5F35AEA5F9E5A0C0EDEEEC04DFEFE0C77890C80C70E98209B58B962
3260installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exeC:\Users\admin\AppData\Local\Temp\nsn6BEB.tmp\nsExec.dllexecutable
MD5:EC0504E6B8A11D5AAD43B296BEEB84B2
SHA256:5D9CEB1CE5F35AEA5F9E5A0C0EDEEEC04DFEFE0C77890C80C70E98209B58B962
3260installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exeC:\Users\admin\AppData\Local\Temp\swapfs-2binary
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
10
DNS requests
1
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3260
installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe
111.200.39.114:8090
edrcom.topsec.com.cn
China Unicom Beijing Province Network
CN
unknown

DNS requests

Domain
IP
Reputation
edrcom.topsec.com.cn
  • 111.200.39.114
unknown

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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ANY.RUN
Reports
installer_1.0.15.0(https#edrcom.topsec.com.cn_8090)_32_chs.exe