File name:

install_flash_player.exe

Full analysis: https://app.any.run/tasks/9bbf6659-3cb0-4672-886d-abe03f217315
Verdict: Malicious activity
Analysis date: October 02, 2018, 08:48:25
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (console) Intel 80386, for MS Windows
MD5:

FBBDC39AF1139AEBBA4DA004475E8839

SHA1:

DE5C8D858E6E41DA715DCA1C019DF0BFB92D32C0

SHA256:

630325CAC09AC3FAB908F903E3B00D0DADD5FDAA0875ED8496FCBB97A558D0DA

SSDEEP:

12288:BHNTywFAvN86pLbqWRKHZKfErrZJyZ0yqsGO3XR63:vT56NbqWRwZaEr3yt2O3XR63

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

    • Uses Task Scheduler to run other applications

      • cmd.exe (PID: 3140)
      • cmd.exe (PID: 2900)
      • cmd.exe (PID: 2388)

    • Loads the Task Scheduler COM API

      • schtasks.exe (PID: 3784)
      • schtasks.exe (PID: 2192)
      • schtasks.exe (PID: 456)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • install_flash_player.exe (PID: 2648)
      • rundll32.exe (PID: 2212)

    • Creates files in the Windows directory

      • rundll32.exe (PID: 2212)
      • install_flash_player.exe (PID: 2648)

    • Starts CMD.EXE for commands execution

      • rundll32.exe (PID: 2212)

    • Removes files from Windows directory

      • rundll32.exe (PID: 2212)

    • Starts application with an unusual extension

      • rundll32.exe (PID: 2212)

  • INFO

    • Dropped object may contain TOR URL's

      • install_flash_player.exe (PID: 2648)
      • rundll32.exe (PID: 2212)

    • Creates files in the user directory

      • WINWORD.EXE (PID: 2860)

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 2860)
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: 2017:10:22 04:33:58+02:00
PEType: PE32
LinkerVersion: 10
CodeSize: 12288
InitializedDataSize: 43520
UninitializedDataSize: -
EntryPoint: 0x12c0
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows command line
FileVersionNumber: 27.0.0.170
ProductVersionNumber: 27.0.0.170
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Dynamic link library
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
CompanyName: Adobe Systems Incorporated
FileDescription: Adobe® Flash® Player Installer/Uninstaller 27.0 r0
FileVersion: 27,0,0,170
InternalName: Adobe® Flash® Player Installer/Uninstaller 27.0
LegalCopyright: Copyright © 1996-2017 Adobe Systems Incorporated
LegalTrademarks: Adobe® Flash® Player
OriginalFileName: FlashUtil.exe
ProductName: Adobe® Flash® Player Installer/Uninstaller
ProductVersion: 27,0,0,170

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_CUI
Compilation Date: 22-Oct-2017 02:33:58
Detected languages:
  • English - United States
CompanyName: Adobe Systems Incorporated
FileDescription: Adobe® Flash® Player Installer/Uninstaller 27.0 r0
FileVersion: 27,0,0,170
InternalName: Adobe® Flash® Player Installer/Uninstaller 27.0
LegalCopyright: Copyright © 1996-2017 Adobe Systems Incorporated
LegalTrademarks: Adobe® Flash® Player
OriginalFilename: FlashUtil.exe
ProductName: Adobe® Flash® Player Installer/Uninstaller
ProductVersion: 27,0,0,170

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: 5
Time date stamp: 22-Oct-2017 02:33:58
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
0x00002ED3
0x00003000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.5841
.rdata
0x00004000
0x0000302A
0x00003200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.17726
.data
0x00008000
0x0000033C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0.183339
.rsrc
0x00009000
0x00007088
0x00007200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.20409
.reloc
0x00011000
0x0000024E
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
3.29314

Resources

Title
Entropy
Size
Codepage
Language
Type
0
2.71787
104
Latin 1 / Western European
English - United States
RT_GROUP_ICON
1
4.80414
353
Latin 1 / Western European
English - United States
RT_MANIFEST
2
3.09304
2216
Latin 1 / Western European
English - United States
RT_ICON
3
2.14828
1384
Latin 1 / Western European
English - United States
RT_ICON
4
3.58326
4264
Latin 1 / Western European
English - United States
RT_ICON
5
3.43902
9640
Latin 1 / Western European
English - United States
RT_ICON
6
3.58326
4264
Latin 1 / Western European
English - United States
RT_ICON
7
4.02296
1128
Latin 1 / Western European
English - United States
RT_ICON

Imports

KERNEL32.dll
SHELL32.dll
USER32.dll
msvcrt.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
52
Monitored processes
11
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start install_flash_player.exe rundll32.exe cmd.exe no specs schtasks.exe no specs cmd.exe no specs schtasks.exe no specs 716c.tmp no specs cmd.exe no specs schtasks.exe no specs winword.exe no specs install_flash_player.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
456schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 10:06:00C:\Windows\system32\schtasks.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Manages scheduled tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\schtasks.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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
c:\windows\system32\ole32.dll
2192schtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR "C:\Windows\system32\cmd.exe /C Start \"\" \"C:\Windows\dispci.exe\" -id 3273630708 && exit"C:\Windows\system32\schtasks.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Manages scheduled tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\schtasks.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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
c:\windows\system32\ole32.dll
2212C:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 15C:\Windows\system32\rundll32.exe
install_flash_player.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.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\imagehlp.dll
2296"C:\Users\admin\AppData\Local\Temp\install_flash_player.exe" C:\Users\admin\AppData\Local\Temp\install_flash_player.exe—explorer.exe
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
MEDIUM
Description:
Adobe® Flash® Player Installer/Uninstaller 27.0 r0
Exit code:
3221226540
Version:
27,0,0,170
Modules
Images
c:\users\admin\appdata\local\temp\install_flash_player.exe
c:\systemroot\system32\ntdll.dll
2356"C:\Windows\716C.tmp" \\.\pipe\{7E39D481-FB67-4859-B5FC-7D87992F7D1C}C:\Windows\716C.tmp—rundll32.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\windows\716c.tmp
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\shlwapi.dll
c:\windows\system32\gdi32.dll
2388/c schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 10:06:00C:\Windows\system32\cmd.exe—rundll32.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
2648"C:\Users\admin\AppData\Local\Temp\install_flash_player.exe" C:\Users\admin\AppData\Local\Temp\install_flash_player.exe
explorer.exe
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
HIGH
Description:
Adobe® Flash® Player Installer/Uninstaller 27.0 r0
Exit code:
0
Version:
27,0,0,170
Modules
Images
c:\users\admin\appdata\local\temp\install_flash_player.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\shell32.dll
2860"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\Desktop\wholeyou.rtf"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Word
Exit code:
0
Version:
14.0.6024.1000
Modules
Images
c:\program files\microsoft office\office14\winword.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\winsxs\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_50934f2ebcb7eb57\msvcr90.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll
2900/c schtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR "C:\Windows\system32\cmd.exe /C Start \"\" \"C:\Windows\dispci.exe\" -id 3273630708 && exit"C:\Windows\system32\cmd.exe—rundll32.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
3140/c schtasks /Delete /F /TN rhaegalC:\Windows\system32\cmd.exe—rundll32.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
1
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
Total events
599
Read events
554
Write events
34
Delete events
11

Modification events

(PID) Process:(2212) rundll32.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{71A27CDD-812A-11D0-BEC7-08002BE2092F}
Operation:writeName:LowerFilters
Value:
cscc
(PID) Process:(2212) rundll32.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}
Operation:writeName:UpperFilters
Value:
cscc
(PID) Process:(2212) rundll32.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CrashControl
Operation:writeName:DumpFilters
Value:
cscc
(PID) Process:(2860) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems
Operation:writeName:rp
Value:
72707F002C0B0000010000000000000000000000
(PID) Process:(2860) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
Off
(PID) Process:(2860) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
On
(PID) Process:(2860) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:WORDFiles
Value:
1296171024
(PID) Process:(2860) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:ProductFiles
Value:
1296171136
(PID) Process:(2860) WINWORD.EXEKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:ProductFiles
Value:
1296171137
(PID) Process:(2860) WINWORD.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word
Operation:writeName:MTTT
Value:
2C0B0000F06892D52C5AD40100000000
Executable files
3
Suspicious files
36
Text files
2
Unknown types
4

Dropped files

PID
Process
Filename
Type
2212rundll32.exeC:\Windows\infpub.dat —
MD5:—
SHA256:—
2212rundll32.exeC:\Windows\716C.tmp —
MD5:—
SHA256:—
2212rundll32.exeC:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\ExcelLR.cab —
MD5:—
SHA256:—
2212rundll32.exeC:\MSOCache\All Users\{90140000-0018-0409-0000-0000000FF1CE}-C\PptLR.cab —
MD5:—
SHA256:—
2212rundll32.exeC:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\PubLR.cab —
MD5:—
SHA256:—
2212rundll32.exeC:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\OutlkLR.cab —
MD5:—
SHA256:—
2212rundll32.exeC:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\WordLR.cab —
MD5:—
SHA256:—
2212rundll32.exeC:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.en\Proof.cab —
MD5:—
SHA256:—
2212rundll32.exeC:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.es\Proof.cab —
MD5:—
SHA256:—
2212rundll32.exeC:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.fr\Proof.cab —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
DNS requests
2
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
—
—
172.217.23.174:80
—
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
dns.msftncsi.com
  • 131.107.255.255
shared

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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ANY.RUN
Reports
install_flash_player.exe