URL:

https://github.com/kh4sh3i/Ransomware-Samples/raw/main/Jigsaw/Ransomware.Jigsaw.zip

Full analysis: https://app.any.run/tasks/355a2b5c-3af1-4801-9b1b-1258876a7ca3
Verdict: Malicious activity
Analysis date: November 17, 2023, 03:42:38
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
SHA1:

AB1FFB5B75A0F12AFF0742CDA474C23A9D9B8A2F

SHA256:

967DF4A2BB6B1C091FEDA140A1A51F984B1E7AC5CC47FDB398F7C26EB6733348

SSDEEP:

3:N8tEd+NbttIHH5R/c:2uoNh6Hf/c

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

    • Drops the executable file immediately after the start

      • jigsaw.exe (PID: 3956)
      • drpbx.exe (PID: 4036)

    • Steals credentials from Web Browsers

      • drpbx.exe (PID: 4036)

    • Actions looks like stealing of personal data

      • drpbx.exe (PID: 4036)

  • SUSPICIOUS

    • Reads the Internet Settings

      • jigsaw.exe (PID: 3956)

    • Starts itself from another location

      • jigsaw.exe (PID: 3956)

  • INFO

    • Application launched itself

      • iexplore.exe (PID: 3196)

    • Manual execution by a user

      • wmpnscfg.exe (PID: 3756)
      • jigsaw.exe (PID: 3956)
      • taskmgr.exe (PID: 3696)

    • Reads the computer name

      • wmpnscfg.exe (PID: 3756)
      • jigsaw.exe (PID: 3956)

    • Checks supported languages

      • wmpnscfg.exe (PID: 3756)
      • drpbx.exe (PID: 4036)
      • jigsaw.exe (PID: 3956)

    • Reads the machine GUID from the registry

      • wmpnscfg.exe (PID: 3756)
      • jigsaw.exe (PID: 3956)
      • drpbx.exe (PID: 4036)

    • Drops the executable file immediately after the start

      • WinRAR.exe (PID: 3940)

    • Creates files or folders in the user directory

      • jigsaw.exe (PID: 3956)
      • drpbx.exe (PID: 4036)

    • The process uses the downloaded file

      • WinRAR.exe (PID: 3940)
      • iexplore.exe (PID: 3196)

    • Creates files in the program directory

      • drpbx.exe (PID: 4036)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
44
Monitored processes
7
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start iexplore.exe no specs iexplore.exe wmpnscfg.exe no specs winrar.exe no specs jigsaw.exe no specs drpbx.exe taskmgr.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2900"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:3196 CREDAT:267521 /prefetch:2C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
3196"C:\Program Files\Internet Explorer\iexplore.exe" "https://github.com/kh4sh3i/Ransomware-Samples/raw/main/Jigsaw/Ransomware.Jigsaw.zip"C:\Program Files\Internet Explorer\iexplore.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
1
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
3696"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:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3756"C:\Program Files\Windows Media Player\wmpnscfg.exe"C:\Program Files\Windows Media Player\wmpnscfg.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Media Player Network Sharing Service Configuration Application
Exit code:
0
Version:
12.0.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\windows media player\wmpnscfg.exe
c:\windows\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\sspicli.dll
c:\windows\system32\ole32.dll
3940"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\Ransomware.Jigsaw.zip"C:\Program Files\WinRAR\WinRAR.exe—iexplore.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.91.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\windows\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\comdlg32.dll
3956"C:\Users\admin\Desktop\jigsaw.exe" C:\Users\admin\Desktop\jigsaw.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
37.0.2.5583
Modules
Images
c:\users\admin\desktop\jigsaw.exe
c:\windows\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
4036"C:\Users\admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\admin\Desktop\jigsaw.exeC:\Users\admin\AppData\Local\Drpbx\drpbx.exe
jigsaw.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
37.0.2.5583
Modules
Images
c:\users\admin\appdata\local\drpbx\drpbx.exe
c:\windows\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
Total events
21 988
Read events
21 920
Write events
64
Delete events
4

Modification events

(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPDaysSinceLastAutoMigration
Value:
0
(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchHighDateTime
Value:
30847387
(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
30847437
(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
Executable files
5
Suspicious files
660
Text files
24
Unknown types
0

Dropped files

PID
Process
Filename
Type
2900iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\MFAQUS6V\Ransomware.Jigsaw[1].zipcompressed
MD5:F2145E44504831F48E9A6C7D12D6FBB8
SHA256:6B649E28B857FCBA7512DD673E0CA3C541C07F52DFB433B928200D8578E0A442
2900iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\50CD3D75D026C82E2E718570BD6F44D0_D222662A57BAA60D2F5EA0D2CC7B2F1Cbinary
MD5:F68F71B3727F05699EE0E5D642241302
SHA256:37C194983437F8AB9DDC41E621E8CBD10230DA566CC9A0B6A8DB7888B9F7F13D
2900iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B398B80134F72209547439DB21AB308D_A4CF52CCA82D7458083F7280801A3A04binary
MD5:3FC77DD9583E2513CC517810CCA6615A
SHA256:1D77EAC0C3B887B1045F6719BD20F105478A7348AD180F5AAA83C9D6E57B9CD1
2900iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157compressed
MD5:1BFE591A4FE3D91B03CDF26EAACD8F89
SHA256:9CF94355051BF0F4A45724CA20D1CC02F76371B963AB7D1E38BD8997737B13D8
2900iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B398B80134F72209547439DB21AB308D_ADE4E4D3A3BCBCA5C39C54D362D88565binary
MD5:B2322A457F5564D8FCCEDB128A5187CA
SHA256:671DB162FFB6148F93ECCC66B070CE0F470F4F328AC0A76BD3C89CFC341B2996
2900iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B398B80134F72209547439DB21AB308D_A4CF52CCA82D7458083F7280801A3A04binary
MD5:1BF0C3E1DF5BEF0270C26BD3A6F90996
SHA256:0D19F8EA41DDCA75D5174BCDE73F16839A9A98723EFD31CCD6E5C07D5F2257CB
3940WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRb3940.5543\jigsawexecutable
MD5:2773E3DC59472296CB0024BA7715A64E
SHA256:3AE96F73D805E1D3995253DB4D910300D8442EA603737A1428B613061E7F61E7
3196iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF3465DA4B5A56FC67.TMPbinary
MD5:B714771C820D21D4278B086BFD63AB54
SHA256:F5B24CDF737C974FB1D8DFE153819115AA3934CAB48A874B6BEB88F187942B97
3196iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\Ransomware.Jigsaw.zip.ohty9y1.partial:Zone.Identifiertext
MD5:FBCCF14D504B7B2DBCB5A5BDA75BD93B
SHA256:EACD09517CE90D34BA562171D15AC40D302F0E691B439F91BE1B6406E25F5913
3196iexplore.exeC:\Users\admin\AppData\Local\Temp\~DFCBCBB751A1D345FA.TMPbinary
MD5:2F994B90DEF069E1737730AD782B1E1B
SHA256:60BB6E7CA2289EEFF75B23B57EA74FC6FDBA51795F596FE13E366E890C0A1D04
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
11
DNS requests
5
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2900
iexplore.exe
GET
200
8.253.207.120:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?d1270903ad75d1e2
unknown
compressed
4.66 Kb
unknown
2900
iexplore.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQrHR6YzPN2BNbByL0VoiTIBBMAOAQUCrwIKReMpTlteg7OM8cus%2B37w3oCEAzQqL7GMs%2FmReygqbCE%2Bxw%3D
unknown
binary
314 b
unknown
2900
iexplore.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAfy81yHqHeveu%2FpR5k1Jb0%3D
unknown
binary
471 b
unknown
2900
iexplore.exe
GET
200
8.253.207.120:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?4531cc57055924f8
unknown
compressed
4.66 Kb
unknown
2900
iexplore.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAbY2QTVWENG9oovp1QifsQ%3D
unknown
binary
471 b
unknown
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:138
—
—
—
whitelisted
2588
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted
2900
iexplore.exe
140.82.121.3:443
github.com
GITHUB
US
unknown
2900
iexplore.exe
8.253.207.120:80
ctldl.windowsupdate.com
LEVEL3
US
unknown
2900
iexplore.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
2900
iexplore.exe
185.199.109.133:443
raw.githubusercontent.com
FASTLY
US
unknown
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown

DNS requests

Domain
IP
Reputation
github.com
  • 140.82.121.3
shared
ctldl.windowsupdate.com
  • 8.253.207.120
  • 8.248.115.254
  • 8.241.11.254
  • 8.253.95.120
  • 8.241.121.254
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
raw.githubusercontent.com
  • 185.199.109.133
  • 185.199.108.133
  • 185.199.110.133
  • 185.199.111.133
shared

Threats

No threats detected
No debug info
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Reports
https://github.com/kh4sh3i/Ransomware-Samples/raw/main/Jigsaw/Ransomware.Jigsaw.zip