download:

pwbreg.exe

Full analysis: https://app.any.run/tasks/a0fdd42b-548f-4caf-ad05-c01eac6d6d12
Verdict: Malicious activity
Analysis date: May 08, 2019, 10:54:28
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:

281CB68EB153BD695A0DAC6A914578CB

SHA1:

9F7B4B2A65F8E7AFE107FBDE3DACA732ECAF6E02

SHA256:

058AA4788D86EA43515B7A0D28604F64164289BE6FE0B70ED9895F5EF2BBC353

SSDEEP:

98304:FsAqEnjMTtOU9GOY7ccHB8r++ClpdlMuRAflH/YD2C:uA5j2vOckLEuIx/Yp

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: 3944)
      • WerFault.exe (PID: 2732)

    • Registers / Runs the DLL via REGSVR32.EXE

      • cmd.exe (PID: 3132)

  • SUSPICIOUS

    • Creates files in the program directory

      • WerFault.exe (PID: 2732)

    • Creates COM task schedule object

      • regsvr32.exe (PID: 3944)

    • Starts CMD.EXE for commands execution

      • pwbreg.exe (PID: 3816)

    • Application launched itself

      • pwbreg.exe (PID: 916)

    • Creates files in the Windows directory

      • pwbreg.exe (PID: 3816)

    • Executable content was dropped or overwritten

      • pwbreg.exe (PID: 3816)

  • INFO

    • Dropped object may contain Bitcoin addresses

      • WerFault.exe (PID: 2732)

    • Application was crashed

      • regsvr32.exe (PID: 3944)
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 (39.3)
.exe | Win32 EXE Yoda's Crypter (38.6)
.dll | Win32 Dynamic Link Library (generic) (9.5)
.exe | Win32 Executable (generic) (6.5)
.exe | Generic Win/DOS Executable (2.9)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2010:03:28 16:46:16+02:00
PEType: PE32
LinkerVersion: 9
CodeSize: 180224
InitializedDataSize: 57344
UninitializedDataSize: 348160
EntryPoint: 0x81a10
OSVersion: 5
ImageVersion: -
SubsystemVersion: 5
Subsystem: Windows GUI
FileVersionNumber: 10.3.28.0
ProductVersionNumber: 10.3.28.0
FileFlagsMask: 0x0017
FileFlags: (none)
FileOS: Win32
ObjectFileType: Unknown
FileSubtype: -
LanguageCode: Korean
CharacterSet: Unicode
CompanyName: ESTsoft Corp.
FileDescription: ALZip SFX
FileVersion: 10, 3, 28, 0
InternalName: ALZip SFX
LegalCopyright: Copyright (C) 2010 by ESTsoft Corp.
ProductName: ALZip
ProductVersion: 10, 3, 28, 0

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 28-Mar-2010 14:46:16
Detected languages:
  • English - United States
  • Korean - Korea
CompanyName: ESTsoft Corp.
FileDescription: ALZip SFX
FileVersion: 10, 3, 28, 0
InternalName: ALZip SFX
LegalCopyright: Copyright (C) 2010 by ESTsoft Corp.
ProductName: ALZip
ProductVersion: 10, 3, 28, 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: 0x000000F0

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 28-Mar-2010 14:46:16
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_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
UPX0
0x00001000
0x00055000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
UPX1
0x00056000
0x0002C000
0x0002BC00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.92874
.rsrc
0x00082000
0x0000E000
0x0000DE00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.03163

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.02301
622
Latin 1 / Western European
English - United States
RT_MANIFEST
2
5.95916
2216
Latin 1 / Western European
Korean - Korea
RT_ICON
3
3.26596
1384
Latin 1 / Western European
Korean - Korea
RT_ICON
4
7.97042
31136
Latin 1 / Western European
Korean - Korea
RT_ICON
5
4.71021
9640
Latin 1 / Western European
Korean - Korea
RT_ICON
6
4.85769
4264
Latin 1 / Western European
Korean - Korea
RT_ICON
7
7.30274
386
Latin 1 / Western European
Korean - Korea
RT_STRING
8
7.18322
336
Latin 1 / Western European
Korean - Korea
RT_STRING
9
7.12074
346
Latin 1 / Western European
Korean - Korea
RT_STRING
10
7.50279
610
Latin 1 / Western European
Korean - Korea
RT_STRING

Imports

COMDLG32.dll
KERNEL32.DLL
SHELL32.dll
SHLWAPI.dll
USER32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
5
Malicious processes
5
Suspicious processes
0

Behavior graph

Click at the process to see the details
start pwbreg.exe no specs pwbreg.exe cmd.exe no specs regsvr32.exe werfault.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
916"C:\Users\admin\AppData\Local\Temp\pwbreg.exe" C:\Users\admin\AppData\Local\Temp\pwbreg.exe—explorer.exe
User:
admin
Company:
ESTsoft Corp.
Integrity Level:
MEDIUM
Description:
ALZip SFX
Exit code:
1
Version:
10, 3, 28, 0
Modules
Images
c:\users\admin\appdata\local\temp\pwbreg.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\comdlg32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
2732C:\Windows\system32\WerFault.exe -u -p 3944 -s 324C:\Windows\system32\WerFault.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Problem Reporting
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\werfault.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
3132cmd /c ""C:\Windows\System32\pwbreg.bat" pwbreg.bat"C:\Windows\system32\cmd.exe—pwbreg.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
3221226356
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
3816"C:\Users\admin\AppData\Local\Temp\pwbreg.exe" C:\Users\admin\AppData\Local\Temp\pwbreg.exe
pwbreg.exe
User:
admin
Company:
ESTsoft Corp.
Integrity Level:
HIGH
Description:
ALZip SFX
Exit code:
1
Version:
10, 3, 28, 0
Modules
Images
c:\users\admin\appdata\local\temp\pwbreg.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\comdlg32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\usp10.dll
3944regsvr32 /s psdwc110.dllC:\Windows\system32\regsvr32.exe
cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft(C) Register Server
Exit code:
3221226356
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\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
Total events
524
Read events
451
Write events
73
Delete events
0

Modification events

(PID) Process:(916) pwbreg.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(916) pwbreg.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3816) pwbreg.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3816) pwbreg.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3944) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\FontSubstitutes
Operation:writeName:PB Sans Serif
Value:
Tahoma
(PID) Process:(3944) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{BBBB1500-BBBB-1000-8000-080009AC61A9}\1.0
Operation:writeName:
Value:
Powersoft DataWindow Web Control
(PID) Process:(3944) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{BBBB1500-BBBB-1000-8000-080009AC61A9}\1.0\FLAGS
Operation:writeName:
Value:
2
(PID) Process:(3944) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{BBBB1500-BBBB-1000-8000-080009AC61A9}\1.0\0\win32
Operation:writeName:
Value:
C:\Windows\system32\psdwc110.dll
(PID) Process:(3944) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{BBBB1500-BBBB-1000-8000-080009AC61A9}\1.0\HELPDIR
Operation:writeName:
Value:
C:\Windows\system32
(PID) Process:(3944) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{BBBB1501-BBBB-1000-8000-080009AC61A9}
Operation:writeName:
Value:
_DPSDWC
Executable files
6
Suspicious files
1
Text files
3
Unknown types
1

Dropped files

PID
Process
Filename
Type
3816pwbreg.exeC:\Windows\System32\PowerBuilder DW Control & JDBC.osdxml
MD5:—
SHA256:—
3816pwbreg.exeC:\Windows\System32\pwbreg.battext
MD5:—
SHA256:—
2732WerFault.exeC:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_regsvr32.exe_cf5c8d4b7b6dd82a7a4de3593c77fb076aa80de_0aa2a94b\Report.werbinary
MD5:—
SHA256:—
3816pwbreg.exeC:\Windows\System32\OSDB223.OSDxml
MD5:—
SHA256:—
3816pwbreg.exeC:\Windows\System32\PSDWC110.DLLexecutable
MD5:—
SHA256:—
3816pwbreg.exeC:\Windows\System32\mfc71u.dllexecutable
MD5:7B93C623333F121DC9E689CCB1B7A733
SHA256:0C58F682E1B3AF064963DD616E80609006E9317F2FCB0F3A51ED32FEF13B1081
3816pwbreg.exeC:\Windows\System32\atl71.dllexecutable
MD5:8F2097E8B174F38178570C611464935F
SHA256:3F25E7B097B65EAF82A6D5B58646DFF38CA19347664F40C2B8A409B9D6939457
2732WerFault.exeC:\Users\admin\AppData\Local\CrashDumps\regsvr32.exe.3944.dmpdmp
MD5:—
SHA256:—
3816pwbreg.exeC:\Windows\System32\msvcr71.dllexecutable
MD5:86F1895AE8C5E8B17D99ECE768A70732
SHA256:8094AF5EE310714CAEBCCAEEE7769FFB08048503BA478B879EDFEF5F1A24FEFE
3816pwbreg.exeC:\Windows\System32\gdiplus.dllexecutable
MD5:84637D0DDEF17005967A8E0856E99A75
SHA256:9E99A5763796015D46914D279EB823F318D94E0EBD1BB5515A8133C703A8979D
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0

HTTP requests

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

Connections

No data

DNS requests

No data

Threats

No threats detected
No debug info
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Reports
pwbreg.exe