File name:

FlashUtil32_32_0_0_387_pepper.exe

Full analysis: https://app.any.run/tasks/9016b1a0-718c-49c5-a1da-630a31b72df6
Verdict: Malicious activity
Analysis date: July 14, 2020, 14:41:50
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:

AC745BB324D115C1AB890D72BFC89FA8

SHA1:

249CA066DF6EC035D59CA02ED03B81682C0BC373

SHA256:

4487BCD3CBCC5DFACA8A360E3C52F8977B99A9D185187B211315E58204C2DF44

SSDEEP:

24576:RwfzbTucDPv4XMT0O65REV1t+9prP+CBsujWRfXxL0uQMNb2T:Rw/CcT48Ti/EV1tiP+CBZjEfhr/NqT

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

      • FlashUtil32_32_0_0_387_pepper.exe (PID: 3740)
      • FlashUtil32_32_0_0_387_pepper.exe (PID: 2692)

    • Loads the Task Scheduler COM API

      • FlashPlayerUpdateService.exe (PID: 3156)
      • FlashUtil32_32_0_0_387_pepper.exe (PID: 3740)
      • FlashPlayerUpdateService.exe (PID: 1504)

  • SUSPICIOUS

    • Removes files from Windows directory

      • FlashUtil32_32_0_0_387_pepper.exe (PID: 3740)
      • FlashUtil32_32_0_0_387_pepper.exe (PID: 2692)

    • Reads Internet Cache Settings

      • FlashUtil32_32_0_0_387_pepper.exe (PID: 3740)

    • Executable content was dropped or overwritten

      • FlashUtil32_32_0_0_387_pepper.exe (PID: 3740)
      • FlashUtil32_32_0_0_387_pepper.exe (PID: 2692)

    • Creates files in the Windows directory

      • FlashUtil32_32_0_0_387_pepper.exe (PID: 3740)
      • FlashUtil32_32_0_0_387_pepper.exe (PID: 2692)

  • INFO

    • Manual execution by user

      • FlashUtil32_32_0_0_387_pepper.exe (PID: 3740)
      • FlashUtil32_32_0_0_387_pepper.exe (PID: 2692)
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) (42.2)
.exe | Win64 Executable (generic) (37.3)
.dll | Win32 Dynamic Link Library (generic) (8.8)
.exe | Win32 Executable (generic) (6)
.exe | Generic Win/DOS Executable (2.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:05:22 20:16:39+02:00
PEType: PE32
LinkerVersion: 14
CodeSize: 275456
InitializedDataSize: 1170432
UninitializedDataSize: -
EntryPoint: 0x282a8
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
FileVersionNumber: 32.0.0.387
ProductVersionNumber: 32.0.0.387
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Dynamic link library
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
CompanyName: Adobe
FileDescription: Adobe® Flash® Player Installer/Uninstaller 32.0 r0
FileVersion: 32,0,0,387
InternalName: Adobe® Flash® Player Installer/Uninstaller 32.0
LegalCopyright: Copyright © 1996-2020 Adobe
LegalTrademarks: Adobe® Flash® Player
OriginalFileName: FlashUtil.exe
ProductName: Adobe® Flash® Player Installer/Uninstaller
ProductVersion: 32,0,0,387

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 22-May-2020 18:16:39
Detected languages:
  • Chinese - PRC
  • Chinese - Taiwan
  • Czech - Czech Republic
  • Dutch - Netherlands
  • English - Canada
  • English - United States
  • French - France
  • German - Germany
  • Italian - Italy
  • Japanese - Japan
  • Korean - Korea
  • Polish - Poland
  • Portuguese - Brazil
  • Russian - Russia
  • Spanish - Spain (International sort)
  • Turkish - Turkey
Debug artifacts:
  • E:\r\ws\St_Make\code\build\win\int\Morphology.build\Release\Win32\Morpheme.pdb
CompanyName: Adobe
FileDescription: Adobe® Flash® Player Installer/Uninstaller 32.0 r0
FileVersion: 32,0,0,387
InternalName: Adobe® Flash® Player Installer/Uninstaller 32.0
LegalCopyright: Copyright © 1996-2020 Adobe
LegalTrademarks: Adobe® Flash® Player
OriginalFilename: FlashUtil.exe
ProductName: Adobe® Flash® Player Installer/Uninstaller
ProductVersion: 32,0,0,387

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: 0x00000120

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 6
Time date stamp: 22-May-2020 18:16:39
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
0x0004326B
0x00043400
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.63311
.rdata
0x00045000
0x000138B2
0x00013A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.46621
.data
0x00059000
0x00001AD8
0x00001000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.65059
.gfids
0x0005B000
0x00000158
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
2.67033
.rsrc
0x0005C000
0x00105AEC
0x00105C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.18667
.reloc
0x00162000
0x0000332C
0x00003400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.59857

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.18709
1112
Latin 1 / Western European
English - United States
RT_MANIFEST
2
2.57591
128
Latin 1 / Western European
Spanish - Spain (International sort)
RT_STRING
3
3.15677
1028
Latin 1 / Western European
Spanish - Spain (International sort)
RT_STRING
4
2.90185
336
Latin 1 / Western European
Spanish - Spain (International sort)
RT_STRING
5
3.43902
9640
Latin 1 / Western European
English - Canada
RT_ICON
6
0.819065
44
Latin 1 / Western European
Spanish - Spain (International sort)
RT_STRING
7
3.26981
772
Latin 1 / Western European
Spanish - Spain (International sort)
RT_STRING
11
3.14501
1124
Latin 1 / Western European
Spanish - Spain (International sort)
RT_STRING
159
7.98065
9489
Latin 1 / Western European
English - United States
LZMG
201
7.99913
215330
Latin 1 / Western European
UNKNOWN
RT_RCDATA

Imports

ADVAPI32.dll
GDI32.dll
KERNEL32.dll
OLEAUT32.dll
SHELL32.dll
USER32.dll
ole32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
48
Monitored processes
6
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
start flashutil32_32_0_0_387_pepper.exe no specs flashutil32_32_0_0_387_pepper.exe flashplayerupdateservice.exe no specs flashplayerupdateservice.exe no specs flashplayerupdateservice.exe no specs flashutil32_32_0_0_387_pepper.exe

Process information

PID
CMD
Path
Indicators
Parent process
1488C:\Windows\system32\Macromed\Flash\FlashPlayerUpdateService.exe -setNotifyAutoUpdateC:\Windows\system32\Macromed\Flash\FlashPlayerUpdateService.exe—FlashUtil32_32_0_0_387_pepper.exe
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
HIGH
Description:
Adobe® Flash® Player Update Service 26.0 r0
Exit code:
0
Version:
26,0,0,131
Modules
Images
c:\windows\system32\macromed\flash\flashplayerupdateservice.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\winhttp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\webio.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
1504C:\Windows\system32\Macromed\Flash\FlashPlayerUpdateService.exe -uninstallC:\Windows\system32\Macromed\Flash\FlashPlayerUpdateService.exe—FlashUtil32_32_0_0_387_pepper.exe
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
HIGH
Description:
Adobe® Flash® Player Update Service 26.0 r0
Exit code:
0
Version:
26,0,0,131
Modules
Images
c:\windows\system32\macromed\flash\flashplayerupdateservice.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\winhttp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\webio.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
2312"C:\Users\admin\Desktop\FlashUtil32_32_0_0_387_pepper.exe" C:\Users\admin\Desktop\FlashUtil32_32_0_0_387_pepper.exe—explorer.exe
User:
admin
Company:
Adobe
Integrity Level:
MEDIUM
Description:
Adobe® Flash® Player Installer/Uninstaller 32.0 r0
Exit code:
1007
Version:
32,0,0,387
Modules
Images
c:\users\admin\desktop\flashutil32_32_0_0_387_pepper.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
2692"C:\Users\admin\Desktop\FlashUtil32_32_0_0_387_pepper.exe" C:\Users\admin\Desktop\FlashUtil32_32_0_0_387_pepper.exe
explorer.exe
User:
admin
Company:
Adobe
Integrity Level:
HIGH
Description:
Adobe® Flash® Player Installer/Uninstaller 32.0 r0
Exit code:
0
Version:
32,0,0,387
Modules
Images
c:\users\admin\desktop\flashutil32_32_0_0_387_pepper.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
3156C:\Windows\system32\Macromed\Flash\FlashPlayerUpdateService.exe -uninstallC:\Windows\system32\Macromed\Flash\FlashPlayerUpdateService.exe—FlashUtil32_32_0_0_387_pepper.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\windows\system32\macromed\flash\flashplayerupdateservice.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\winhttp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\webio.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
3740"C:\Users\admin\Desktop\FlashUtil32_32_0_0_387_pepper.exe" C:\Users\admin\Desktop\FlashUtil32_32_0_0_387_pepper.exe
explorer.exe
User:
admin
Company:
Adobe
Integrity Level:
HIGH
Description:
Adobe® Flash® Player Installer/Uninstaller 32.0 r0
Exit code:
0
Version:
32,0,0,387
Modules
Images
c:\users\admin\desktop\flashutil32_32_0_0_387_pepper.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
200
Read events
21
Write events
9
Delete events
170

Modification events

(PID) Process:(3740) FlashUtil32_32_0_0_387_pepper.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\FlashPlayer
Operation:delete valueName:CurrentVersion
Value:
26,0,0,131
(PID) Process:(3740) FlashUtil32_32_0_0_387_pepper.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\shell\open\command
Operation:delete keyName:
Value:
(PID) Process:(3740) FlashUtil32_32_0_0_387_pepper.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\shell\open
Operation:delete keyName:
Value:
(PID) Process:(3740) FlashUtil32_32_0_0_387_pepper.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\shell
Operation:delete keyName:
Value:
(PID) Process:(3740) FlashUtil32_32_0_0_387_pepper.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\DefaultIcon
Operation:delete keyName:
Value:
(PID) Process:(3740) FlashUtil32_32_0_0_387_pepper.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1\0\win32
Operation:delete keyName:
Value:
(PID) Process:(3740) FlashUtil32_32_0_0_387_pepper.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1\0
Operation:delete keyName:
Value:
(PID) Process:(3740) FlashUtil32_32_0_0_387_pepper.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1\HELPDIR
Operation:delete keyName:
Value:
(PID) Process:(3740) FlashUtil32_32_0_0_387_pepper.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1\FLAGS
Operation:delete keyName:
Value:
(PID) Process:(3740) FlashUtil32_32_0_0_387_pepper.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1
Operation:delete keyName:
Value:
Executable files
2
Suspicious files
2
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
2692FlashUtil32_32_0_0_387_pepper.exeC:\Windows\system32\Macromed\Flash\FlashInstall32.logbinary
MD5:—
SHA256:—
3740FlashUtil32_32_0_0_387_pepper.exeC:\Windows\system32\Macromed\Flash\FlashInstall32.logbinary
MD5:—
SHA256:—
2692FlashUtil32_32_0_0_387_pepper.exeC:\Windows\system32\Macromed\Temp\{FB635C61-72AD-43C3-A85E-EC5C46224B3C}\fpb.tmpexecutable
MD5:—
SHA256:—
3740FlashUtil32_32_0_0_387_pepper.exeC:\Windows\system32\Macromed\Temp\{7DA6673A-7C08-4217-A3EC-9ABE5C1FABEA}\fpb.tmpexecutable
MD5:—
SHA256:—
1488FlashPlayerUpdateService.exeC:\Windows\system32\Macromed\Flash\mms.cfgtext
MD5:01C4AADCE140FC01EB3A4DBDF885D63F
SHA256:3A5FC037A0F98644111352E8805723B6DECA087793A13BD4D2B62DC7FD53753D
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
1
DNS requests
1
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3740
FlashUtil32_32_0_0_387_pepper.exe
GET
404
2.16.177.16:80
http://fpdownload2.macromedia.com/get/flashplayer/update/current/install/version.xml32.0.0.387~installVector=21&previousVersion=26.0.0.131&pProc=explorer.exe&lang=en&cpuWordLength=32&playerType=full&os=win&osVer=13&isDebug=0
unknown
html
420 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3740
FlashUtil32_32_0_0_387_pepper.exe
2.16.177.16:80
fpdownload2.macromedia.com
Akamai International B.V.
—
unknown

DNS requests

Domain
IP
Reputation
fpdownload2.macromedia.com
  • 2.16.177.16
  • 2.16.177.115
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
FlashUtil32_32_0_0_387_pepper.exe