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File name:

9c248fa4c428b159be3475805f60c6cbefb19143629c4f678988e206263e31e5

Full analysis: https://app.any.run/tasks/002af509-3d4c-47ff-8d7b-2008f83a50b5
Verdict: Malicious activity
Analysis date: April 25, 2019, 09:33:26
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
installer
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

493E1EEF0EAC230ECC64DA4B21FF844F

SHA1:

C3830647D46FDA241B7848A29D4B54C04EC8C526

SHA256:

9C248FA4C428B159BE3475805F60C6CBEFB19143629C4F678988E206263E31E5

SSDEEP:

49152:SJUGlcJEQ2cRQh9GexmCxBxVV56CmWQa/k:CUGlc72cROGom6mGv/k

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

    • Application was dropped or rewritten from another process

      • NPWB.exe (PID: 3408)
      • PWNS.exe (PID: 2140)
    • Loads dropped or rewritten executable

      • NPWB.exe (PID: 3408)
      • PWNS.exe (PID: 2140)
    • Changes settings of System certificates

      • NPWB.exe (PID: 3408)
      • PWNS.exe (PID: 2140)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • 9c248fa4c428b159be3475805f60c6cbefb19143629c4f678988e206263e31e5.exe (PID: 3412)
      • NPWB.exe (PID: 3408)
    • Adds / modifies Windows certificates

      • NPWB.exe (PID: 3408)
      • PWNS.exe (PID: 2140)
  • INFO

    • Dropped object may contain Bitcoin addresses

      • NPWB.exe (PID: 3408)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (35.6)
.exe | InstallShield setup (20.9)
.exe | Win32 Executable MS Visual C++ (generic) (15.1)
.exe | Win64 Executable (generic) (13.4)
.scr | Windows screen saver (6.3)

EXIF

EXE

AssemblyVersion: 1.0.3.0
ProductVersion: 1.0.3.0
ProductName: NPsetup
OriginalFileName: NPsetup.exe
LegalTrademarks: IISI
LegalCopyright: Copyright © IISI 2017
InternalName: NPsetup.exe
FileVersion: 1.0.3.0
FileDescription: NPsetup
CompanyName: 中華郵政
Comments: 業務資料傳輸系統安裝程式
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 1.0.3.0
FileVersionNumber: 1.0.3.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x1b169e
UninitializedDataSize: -
InitializedDataSize: 70144
CodeSize: 1767424
LinkerVersion: 11
PEType: PE32
TimeStamp: 2017:06:07 03:49:37+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 07-Jun-2017 01:49:37
Debug artifacts:
  • D:\PRSB\VB.NET\NPsetup\NPsetup\obj\Release\NPsetup.pdb
Comments: 業務資料傳輸系統安裝程式
CompanyName: 中華郵政
FileDescription: NPsetup
FileVersion: 1.0.3.0
InternalName: NPsetup.exe
LegalCopyright: Copyright © IISI 2017
LegalTrademarks: IISI
OriginalFilename: NPsetup.exe
ProductName: NPsetup
ProductVersion: 1.0.3.0
Assembly Version: 1.0.3.0

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: 0x00000080

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 4
Time date stamp: 07-Jun-2017 01:49:37
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x001AF6A4
0x001AF800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.06981
.sdata
0x001B2000
0x00000138
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.55699
.rsrc
0x001B4000
0x00010C68
0x00010E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.30354
.reloc
0x001C6000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.55814
832
UNKNOWN
UNKNOWN
RT_VERSION
2
4.3165
67624
UNKNOWN
UNKNOWN
RT_ICON
32512
2.16096
20
UNKNOWN
UNKNOWN
RT_GROUP_ICON

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
4
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start drop and start 9c248fa4c428b159be3475805f60c6cbefb19143629c4f678988e206263e31e5.exe no specs 9c248fa4c428b159be3475805f60c6cbefb19143629c4f678988e206263e31e5.exe npwb.exe pwns.exe

Process information

PID
CMD
Path
Indicators
Parent process
3956"C:\Users\admin\AppData\Local\Temp\9c248fa4c428b159be3475805f60c6cbefb19143629c4f678988e206263e31e5.exe" C:\Users\admin\AppData\Local\Temp\9c248fa4c428b159be3475805f60c6cbefb19143629c4f678988e206263e31e5.exeexplorer.exe
User:
admin
Company:
中華郵政
Integrity Level:
MEDIUM
Description:
NPsetup
Exit code:
3221226540
Version:
1.0.3.0
3412"C:\Users\admin\AppData\Local\Temp\9c248fa4c428b159be3475805f60c6cbefb19143629c4f678988e206263e31e5.exe" C:\Users\admin\AppData\Local\Temp\9c248fa4c428b159be3475805f60c6cbefb19143629c4f678988e206263e31e5.exe
explorer.exe
User:
admin
Company:
中華郵政
Integrity Level:
HIGH
Description:
NPsetup
Exit code:
0
Version:
1.0.3.0
3408"C:\NPWS\NPWB.exe"C:\NPWS\NPWB.exe
9c248fa4c428b159be3475805f60c6cbefb19143629c4f678988e206263e31e5.exe
User:
admin
Company:
IISI
Integrity Level:
HIGH
Description:
NPWB
Exit code:
0
Version:
1.0.2.1
2140C:\NPWS\PWNS.exeC:\NPWS\PWNS.exe
NPWB.exe
User:
admin
Company:
IISI for PRSB
Integrity Level:
HIGH
Description:
Post Web .Net System
Exit code:
0
Version:
1.0.1.8
Total events
178
Read events
111
Write events
67
Delete events
0

Modification events

(PID) Process:(3408) NPWB.exeKey:HKEY_CURRENT_USER\Software\VB and VBA Program Settings\PRSB\main
Operation:writeName:num
Value:
0
(PID) Process:(3408) NPWB.exeKey:HKEY_CURRENT_USER\Software\VB and VBA Program Settings\PRSB\main
Operation:writeName:file_ser0
Value:
100000
(PID) Process:(3408) NPWB.exeKey:HKEY_CURRENT_USER\Software\VB and VBA Program Settings\PRSB\main
Operation:writeName:IP
Value:
https://prsbedi.prsb.gov.tw
(PID) Process:(3408) NPWB.exeKey:HKEY_CURRENT_USER\Software\VB and VBA Program Settings\PRSB\main
Operation:writeName:Reload_time
Value:
30
(PID) Process:(3408) NPWB.exeKey:HKEY_CURRENT_USER\Software\VB and VBA Program Settings\PRSB\main
Operation:writeName:timeout
Value:
90
(PID) Process:(3408) NPWB.exeKey:HKEY_CURRENT_USER\Software\VB and VBA Program Settings\PRSB\main
Operation:writeName:dir
Value:
C:\Users\admin\AppData\Local\Temp
(PID) Process:(3408) NPWB.exeKey:HKEY_CURRENT_USER\Software\VB and VBA Program Settings\PRSB\main
Operation:writeName:Code0
Value:
(PID) Process:(3408) NPWB.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\NPWB_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3408) NPWB.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\NPWB_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3408) NPWB.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\NPWB_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
Executable files
5
Suspicious files
5
Text files
1
Unknown types
5

Dropped files

PID
Process
Filename
Type
3408NPWB.exeC:\Users\admin\AppData\Local\Temp\Cab72EB.tmp
MD5:
SHA256:
3408NPWB.exeC:\Users\admin\AppData\Local\Temp\Tar72EC.tmp
MD5:
SHA256:
3408NPWB.exeC:\Users\admin\AppData\Local\Temp\Cab72FC.tmp
MD5:
SHA256:
3408NPWB.exeC:\Users\admin\AppData\Local\Temp\Tar72FD.tmp
MD5:
SHA256:
3408NPWB.exeC:\Users\admin\AppData\Local\Temp\Cab730E.tmp
MD5:
SHA256:
3408NPWB.exeC:\Users\admin\AppData\Local\Temp\Tar731F.tmp
MD5:
SHA256:
3408NPWB.exeC:\Users\admin\AppData\Local\Temp\Cab740A.tmp
MD5:
SHA256:
3408NPWB.exeC:\Users\admin\AppData\Local\Temp\Tar740B.tmp
MD5:
SHA256:
3408NPWB.exeC:\NPWS\103402.984\PWNS.exe
MD5:
SHA256:
3408NPWB.exeC:\NPWS\PWNSL.exe.pak7
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
3
DNS requests
2
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3408
NPWB.exe
GET
200
67.27.235.254:80
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
US
compressed
55.6 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3408
NPWB.exe
67.27.235.254:80
www.download.windowsupdate.com
Level 3 Communications, Inc.
US
suspicious
3408
NPWB.exe
210.200.26.125:443
prsbedi.prsb.gov.tw
Asia Pacific Broadband Fixed Lines Co., Ltd.
TW
unknown
2140
PWNS.exe
210.200.26.125:443
prsbedi.prsb.gov.tw
Asia Pacific Broadband Fixed Lines Co., Ltd.
TW
unknown

DNS requests

Domain
IP
Reputation
prsbedi.prsb.gov.tw
  • 210.200.26.125
unknown
www.download.windowsupdate.com
  • 67.27.235.254
  • 67.27.233.126
  • 67.27.234.126
  • 8.253.204.120
  • 67.27.235.126
whitelisted

Threats

No threats detected
No debug info