File name:

jigsaw

Full analysis: https://app.any.run/tasks/463cb971-a7dd-44f6-b6e1-d1526fcfa536
Verdict: Malicious activity
Analysis date: May 21, 2018, 18:00:25
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

2773E3DC59472296CB0024BA7715A64E

SHA1:

27D99FBCA067F478BB91CDBCB92F13A828B00859

SHA256:

3AE96F73D805E1D3995253DB4D910300D8442EA603737A1428B613061E7F61E7

SSDEEP:

6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXus:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqX

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

    • Changes the autorun value in the registry

      • jigsaw.exe (PID: 3260)

    • Modifies files in Chrome extension folder

      • drpbx.exe (PID: 3116)

    • Loads the Task Scheduler COM API

      • taskhost.exe (PID: 2396)

    • Actions looks like stealing of personal data

      • drpbx.exe (PID: 3116)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • jigsaw.exe (PID: 3260)

    • Creates files in the user directory

      • jigsaw.exe (PID: 3260)
      • drpbx.exe (PID: 3116)

    • Creates files in the program directory

      • drpbx.exe (PID: 3116)
      • chrmstp.exe (PID: 3968)

    • Starts itself from another location

      • jigsaw.exe (PID: 3260)

    • Application launched itself

      • taskmgr.exe (PID: 2628)

    • Creates files in the Windows directory

      • chrmstp.exe (PID: 1912)

  • INFO

    • Dropped object may contain Bitcoin addresses

      • drpbx.exe (PID: 3116)
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) (61.6)
.dll | Win32 Dynamic Link Library (generic) (14.6)
.exe | Win32 Executable (generic) (10)
.exe | Win16/32 Executable Delphi generic (4.6)
.exe | Generic Win/DOS Executable (4.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2016:03:31 08:28:14+02:00
PEType: PE32
LinkerVersion: 8
CodeSize: 72704
InitializedDataSize: 216576
UninitializedDataSize: -
EntryPoint: 0x4e00a
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 37.0.2.5583
ProductVersionNumber: 37.0.2.5583
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: -
FileDescription: Firefox
FileVersion: 37.0.2.5583
InternalName: BitcoinBlackmailer.exe
LegalCopyright: Copyright 1999-2012 Firefox and Mozzilla developers. All rights reserved.
LegalTrademarks: -
OriginalFileName: BitcoinBlackmailer.exe
ProductName: Firefox
ProductVersion: 37.0.2.5583
AssemblyVersion: 37.0.2.5583

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 31-Mar-2016 06:28:14
Comments: -
CompanyName: -
FileDescription: Firefox
FileVersion: 37.0.2.5583
InternalName: BitcoinBlackmailer.exe
LegalCopyright: Copyright 1999-2012 Firefox and Mozzilla developers. All rights reserved.
LegalTrademarks: -
OriginalFilename: BitcoinBlackmailer.exe
ProductName: Firefox
ProductVersion: 37.0.2.5583
Assembly Version: 37.0.2.5583

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: 5
Time date stamp: 31-Mar-2016 06:28:14
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
\x01\x1e!mmUPp`B\x03
0x00002000
0x00034260
0x00034400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.99912
.text
0x00038000
0x00011878
0x00011A00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.39056
.rsrc
0x0004A000
0x00000650
0x00000800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.58099
.reloc
0x0004C000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0980042
0x0004E000
0x00000010
0x00000200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
0.13873

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.00112
490
UNKNOWN
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
59
Monitored processes
9
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start jigsaw.exe drpbx.exe taskmgr.exe no specs taskmgr.exe taskhost.exe no specs taskhost.exe no specs chrmstp.exe no specs chrmstp.exe no specs rundll32.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1912"C:\Program Files\Google\Chrome\Application\61.0.3163.100\Installer\chrmstp.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\Crashpad --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win32 --annotation=prod=Chrome --annotation=ver=61.0.3163.100 --initial-client-data=0xc0,0xc4,0xc8,0xb8,0xcc,0xedfde8,0xedfdd8,0xedfdc0C:\Program Files\Google\Chrome\Application\61.0.3163.100\Installer\chrmstp.exe—chrmstp.exe
User:
admin
Company:
Google Inc.
Integrity Level:
HIGH
Description:
Google Chrome Installer
Exit code:
0
Version:
61.0.3163.100
Modules
Images
c:\program files\google\chrome\application\61.0.3163.100\installer\chrmstp.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\netapi32.dll
c:\windows\system32\netutils.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\srvcli.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\wkscli.dll
2144"C:\Windows\system32\taskmgr.exe" /1C:\Windows\system32\taskmgr.exe
taskmgr.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Task Manager
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskmgr.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\system32\gdi32.dll
c:\windows\system32\user32.dll
2396"taskhost.exe"C:\Windows\system32\taskhost.exe—services.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Host Process for Windows Tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskhost.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2628"C:\Windows\system32\taskmgr.exe" /4C:\Windows\system32\taskmgr.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Task Manager
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskmgr.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\system32\gdi32.dll
c:\windows\system32\user32.dll
3116"C:\Users\admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\admin\AppData\Local\Temp\jigsaw.exeC:\Users\admin\AppData\Local\Drpbx\drpbx.exe
jigsaw.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
1
Version:
37.0.2.5583
Modules
Images
c:\users\admin\appdata\local\drpbx\drpbx.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
3260"C:\Users\admin\AppData\Local\Temp\jigsaw.exe" C:\Users\admin\AppData\Local\Temp\jigsaw.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
37.0.2.5583
Modules
Images
c:\users\admin\appdata\local\temp\jigsaw.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
3264"C:\Windows\System32\rundll32.exe" "C:\Program Files\Adobe\Acrobat Reader DC\Esl\AiodLite.dll",CreateReaderUserSettingsC:\Windows\System32\rundll32.exe—Explorer.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\imagehlp.dll
c:\windows\system32\msvcrt.dll
3520"taskhost.exe"C:\Windows\system32\taskhost.exe—services.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Host Process for Windows Tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskhost.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3968"C:\Program Files\Google\Chrome\Application\61.0.3163.100\Installer\chrmstp.exe" --configure-user-settings --verbose-logging --system-levelC:\Program Files\Google\Chrome\Application\61.0.3163.100\Installer\chrmstp.exe—Explorer.EXE
User:
admin
Company:
Google Inc.
Integrity Level:
HIGH
Description:
Google Chrome Installer
Exit code:
0
Version:
61.0.3163.100
Modules
Images
c:\program files\google\chrome\application\61.0.3163.100\installer\chrmstp.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\netapi32.dll
c:\windows\system32\netutils.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\srvcli.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\wkscli.dll
Total events
1 041
Read events
981
Write events
59
Delete events
1

Modification events

(PID) Process:(3260) jigsaw.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:firefox.exe
Value:
C:\Users\admin\AppData\Roaming\Frfx\firefox.exe
(PID) Process:(3260) jigsaw.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3260) jigsaw.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3116) drpbx.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\drpbx_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3116) drpbx.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\drpbx_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3116) drpbx.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\drpbx_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(3116) drpbx.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\drpbx_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(3116) drpbx.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\drpbx_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(3116) drpbx.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\drpbx_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(3116) drpbx.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\drpbx_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
Executable files
2
Suspicious files
243
Text files
10
Unknown types
3

Dropped files

PID
Process
Filename
Type
3116drpbx.exeC:\Users\admin\Desktop\coldnewsletter.rtf.funbinary
MD5:—
SHA256:—
3116drpbx.exeC:\Users\admin\Desktop\eventstown.rtf.funbinary
MD5:—
SHA256:—
3116drpbx.exeC:\Users\admin\Desktop\approvedideas.jpg.funbinary
MD5:—
SHA256:—
3116drpbx.exeC:\Users\admin\Desktop\centerboards.png.funbinary
MD5:—
SHA256:—
3260jigsaw.exeC:\Users\admin\AppData\Roaming\Frfx\firefox.exeexecutable
MD5:2773E3DC59472296CB0024BA7715A64E
SHA256:3AE96F73D805E1D3995253DB4D910300D8442EA603737A1428B613061E7F61E7
3116drpbx.exeC:\Users\admin\Desktop\propertiesmaster.rtf.funbinary
MD5:—
SHA256:—
3116drpbx.exeC:\Users\admin\Documents\flashalong.rtf.funbinary
MD5:—
SHA256:—
3116drpbx.exeC:\ProgramData\Microsoft\User Account Pictures\admin.dat.funtext
MD5:8EBCC5CA5AC09A09376801ECDD6F3792
SHA256:619E246FC0AC11320FF9E322A979948D949494B0C18217F4D794E1B398818880
3260jigsaw.exeC:\Users\admin\AppData\Local\Drpbx\drpbx.exeexecutable
MD5:2773E3DC59472296CB0024BA7715A64E
SHA256:3AE96F73D805E1D3995253DB4D910300D8442EA603737A1428B613061E7F61E7
3116drpbx.exeC:\Users\admin\Desktop\warningmodels.rtf.funbinary
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
2
DNS requests
2
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3116
drpbx.exe
GET
301
104.16.150.172:80
http://btc.blockr.io/api/v1/coin/info/
US
—
—
shared
3116
drpbx.exe
GET
301
104.16.150.172:80
http://btc.blockr.io/api/v1/coin/info/
US
—
—
shared
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3116
drpbx.exe
104.16.8.251:443
www.coinbase.com
Cloudflare Inc
US
shared
3116
drpbx.exe
104.16.150.172:80
btc.blockr.io
Cloudflare Inc
US
shared

DNS requests

Domain
IP
Reputation
btc.blockr.io
  • 104.16.150.172
  • 104.16.152.172
  • 104.16.148.172
  • 104.16.151.172
  • 104.16.149.172
unknown
www.coinbase.com
  • 104.16.8.251
  • 104.16.9.251
suspicious

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
© 2017-2025 ANY.RUN ALL RIGHTS RESERVED
ANY.RUN
Reports
jigsaw