File name:

sasi.exe

Full analysis: https://app.any.run/tasks/9f6ba740-8c9e-460c-ba45-677a203a6096
Verdict: Malicious activity
Analysis date: October 09, 2019, 13:34:30
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
MD5:

9FEB8D7A93CCA3C5BC37DEACB4124459

SHA1:

48093127B3ADDC1D8824A6C03FDD805189D1923E

SHA256:

BB271D5DA1700DD7C8A4A0148B5A8E6BB2E46FBD2DAB9D7B0986FAC1C56AA584

SSDEEP:

196608:ZP0LbeDjvS93PtL0XTFrZVD570fS/CZ/CqS53JOIf:ZPUiXZZT7vCZ/CqS55Om

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

      • setup.exe (PID: 3292)
      • setup.exe (PID: 2544)
      • Setup1.exe (PID: 3432)
      • st6unst.exe (PID: 3692)
    • Writes to a start menu file

      • setup.exe (PID: 2544)
    • Loads dropped or rewritten executable

      • setup.exe (PID: 2544)
      • Setup1.exe (PID: 3432)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • sasi.exe (PID: 3204)
      • setup.exe (PID: 2544)
    • Creates files in the user directory

      • setup.exe (PID: 2544)
    • Creates files in the Windows directory

      • setup.exe (PID: 2544)
  • 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 | Win64 Executable (generic) (64.6)
.dll | Win32 Dynamic Link Library (generic) (15.4)
.exe | Win32 Executable (generic) (10.5)
.exe | Generic Win/DOS Executable (4.6)
.exe | DOS Executable Generic (4.6)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2019:02:21 17:21:56+01:00
PEType: PE32
LinkerVersion: 14
CodeSize: 190976
InitializedDataSize: 242176
UninitializedDataSize: -
EntryPoint: 0x1d779
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 21-Feb-2019 16:21:56
Detected languages:
  • English - United States
Debug artifacts:
  • D:\Projects\WinRAR\sfx\build\sfxrar32\Release\sfxrar.pdb

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: 0x00000110

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 6
Time date stamp: 21-Feb-2019 16:21:56
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
0x00001000
0x0002E864
0x0002EA00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.69348
.rdata
0x00030000
0x00009AAC
0x00009C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.13363
.data
0x0003A000
0x000213D0
0x00000C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.24289
.gfids
0x0005C000
0x000000E8
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
2.09592
.rsrc
0x0005D000
0x0000DFD0
0x0000E000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
6.63679
.reloc
0x0006B000
0x00001FD0
0x00002000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.68736

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.25329
1875
UNKNOWN
English - United States
RT_MANIFEST
2
5.10026
2216
UNKNOWN
English - United States
RT_ICON
3
5.25868
3752
UNKNOWN
English - United States
RT_ICON
4
5.02609
1128
UNKNOWN
English - United States
RT_ICON
5
5.18109
4264
UNKNOWN
English - United States
RT_ICON
6
5.04307
9640
UNKNOWN
English - United States
RT_ICON
7
3.1586
482
UNKNOWN
English - United States
RT_STRING
8
3.11685
460
UNKNOWN
English - United States
RT_STRING
9
3.15447
494
UNKNOWN
English - United States
RT_STRING
10
2.99727
326
UNKNOWN
English - United States
RT_STRING

Imports

KERNEL32.dll
USER32.dll (delay-loaded)
gdiplus.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
5
Malicious processes
2
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start drop and start start drop and start sasi.exe setup.exe no specs setup.exe setup1.exe no specs st6unst.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2544"C:\Users\admin\AppData\Local\Temp\RarSFX0\setup.exe" C:\Users\admin\AppData\Local\Temp\RarSFX0\setup.exe
sasi.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Instalación de Bootstrap para Visual Basic Setup Toolkit
Exit code:
0
Version:
6.00.8169
Modules
Images
c:\users\admin\appdata\local\temp\rarsfx0\setup.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
3204"C:\Users\admin\AppData\Local\Temp\sasi.exe" C:\Users\admin\AppData\Local\Temp\sasi.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\sasi.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.gdiplus_6595b64144ccf1df_1.1.7601.17514_none_72d18a4386696c80\gdiplus.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3292"C:\Users\admin\AppData\Local\Temp\RarSFX0\setup.exe" C:\Users\admin\AppData\Local\Temp\RarSFX0\setup.exesasi.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Instalación de Bootstrap para Visual Basic Setup Toolkit
Exit code:
3221226540
Version:
6.00.8169
Modules
Images
c:\users\admin\appdata\local\temp\rarsfx0\setup.exe
c:\systemroot\system32\ntdll.dll
3432Setup1.exe "C:\Users\admin\AppData\Local\Temp\RarSFX0\" "C:\WINDOWS\ST6UNST.000" "C:\WINDOWS\st6unst.exe"C:\Windows\Setup1.exesetup.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Utilidad de instalación de Visual Basic 6.0
Exit code:
0
Version:
6.00.8171
Modules
Images
c:\windows\setup1.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvbvm60.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
3692C:\WINDOWS\st6unst.exe -n "C:\WINDOWS\ST6UNST.000" -e 2 -f -w 3432C:\WINDOWS\st6unst.exeSetup1.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Visual Basic Setup Toolkit Uninstaller
Exit code:
0
Version:
6.00.8169
Modules
Images
c:\windows\st6unst.exe
c:\systemroot\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
Total events
616
Read events
562
Write events
54
Delete events
0

Modification events

(PID) Process:(3204) sasi.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3204) sasi.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2544) setup.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDLLs
Operation:writeName:C:\Windows\System32\MSVBVM50.DLL
Value:
1
(PID) Process:(2544) setup.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDLLs
Operation:writeName:C:\Windows\System32\VB6STKIT.DLL
Value:
1
(PID) Process:(2544) setup.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDLLs
Operation:writeName:C:\Windows\System32\COMCAT.DLL
Value:
2
(PID) Process:(2544) setup.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDLLs
Operation:writeName:C:\Windows\System32\MSVCRT40.DLL
Value:
2
(PID) Process:(2544) setup.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDLLs
Operation:writeName:C:\Windows\System32\VB6ES.DLL
Value:
1
(PID) Process:(2544) setup.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDLLs
Operation:writeName:C:\Windows\System32\STDOLE2.TLB
Value:
2
(PID) Process:(2544) setup.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDLLs
Operation:writeName:C:\Windows\System32\ASYCFILT.DLL
Value:
2
(PID) Process:(2544) setup.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDLLs
Operation:writeName:C:\Windows\System32\OLEPRO32.DLL
Value:
2
Executable files
17
Suspicious files
10
Text files
42
Unknown types
1

Dropped files

PID
Process
Filename
Type
3204sasi.exeC:\Users\admin\AppData\Local\Temp\RarSFX0\SAS1.CABcompressed
MD5:
SHA256:
2544setup.exeC:\WINDOWS\SETUP.LSTtext
MD5:
SHA256:
2544setup.exeC:\WINDOWS\SAS4.cabcompressed
MD5:
SHA256:
2544setup.exeC:\WINDOWS\ST6UNST.000text
MD5:
SHA256:
2544setup.exeC:\WINDOWS\SAS1.CABcompressed
MD5:
SHA256:
2544setup.exeC:\WINDOWS\SAS2.cabcompressed
MD5:
SHA256:
2544setup.exeC:\WINDOWS\temp.000
MD5:
SHA256:
2544setup.exeC:\WINDOWS\SAS3.cabcompressed
MD5:
SHA256:
2544setup.exeC:\Users\admin\AppData\Local\Temp\msftqws.pdw\MSVBVM50.DLLexecutable
MD5:
SHA256:
2544setup.exeC:\Windows\System32\temp.000
MD5:
SHA256:
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
Process
Message
setup.exe
Close
setup.exe
Ending BRC
setup.exe
Close
setup.exe
Ending BRC
setup.exe
Close
setup.exe
Ending BRC
setup.exe
Close
setup.exe
Ending BRC
setup.exe
Close
setup.exe
Ending BRC