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Resubmissions
17/12/2023, 09:25 UTC
231217-ld4tvafee8 1017/12/2023, 09:25 UTC
231217-ldtc4sfee7 1017/12/2023, 03:55 UTC
231217-eg3bvsdgbm 10Analysis
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max time kernel
150s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
17/12/2023, 03:55 UTC
Static task
static1
Behavioral task
behavioral1
Sample
jigsaw.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
jigsaw.exe
Resource
win10v2004-20231215-en
General
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Target
jigsaw.exe
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Size
283KB
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MD5
2773e3dc59472296cb0024ba7715a64e
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SHA1
27d99fbca067f478bb91cdbcb92f13a828b00859
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SHA256
3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
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SHA512
6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
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SSDEEP
6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXus:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqX
Malware Config
Signatures
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Jigsaw Ransomware
Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.
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Renames multiple (227) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation jigsaw.exe -
Executes dropped EXE 1 IoCs
pid Process 5016 drpbx.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe" jigsaw.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0018-0000-1000-0000000FF1CE.xml.fun drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\msapp-error.js drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\AppxManifest.xml drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_2019.305.632.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml drpbx.exe File created C:\Program Files\7-Zip\Lang\mr.txt.fun drpbx.exe File created C:\Program Files\7-Zip\Lang\ta.txt.fun drpbx.exe File opened for modification C:\Program Files (x86)\Windows Media Player\Media Renderer\RenderingControl.xml drpbx.exe File opened for modification C:\Program Files\VideoLAN\VLC\THANKS.txt drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\AppxManifest.xml drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\BuildInfo.xml drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_2019.19071.19011.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml drpbx.exe File opened for modification C:\Program Files\7-Zip\Lang\ko.txt drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxBlockMap.xml drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\AppxManifest.xml drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\offlineStrings.js drpbx.exe File created C:\Program Files\7-Zip\Lang\eo.txt.fun drpbx.exe File created C:\Program Files\7-Zip\Lang\mng2.txt.fun drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Services.Store.Engagement_10.0.18101.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.513.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml drpbx.exe File opened for modification C:\Program Files\7-Zip\Lang\nl.txt drpbx.exe File created C:\Program Files\7-Zip\Lang\tg.txt.fun drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxBlockMap.xml drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_neutral_split.scale-200_8wekyb3d8bbwe\AppxBlockMap.xml drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_2019.729.2301.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml drpbx.exe File opened for modification C:\Program Files\7-Zip\Lang\fa.txt drpbx.exe File opened for modification C:\Program Files\7-Zip\Lang\ug.txt drpbx.exe File opened for modification C:\Program Files\VideoLAN\VLC\NEWS.txt drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml drpbx.exe File created C:\Program Files\7-Zip\Lang\ast.txt.fun drpbx.exe File created C:\Program Files\7-Zip\Lang\bn.txt.fun drpbx.exe File created C:\Program Files\7-Zip\Lang\sk.txt.fun drpbx.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0090-0000-1000-0000000FF1CE.xml.fun drpbx.exe File opened for modification C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E1-0409-1000-0000000FF1CE.xml drpbx.exe File created C:\Program Files\VideoLAN\VLC\COPYING.txt.fun drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_2019.125.2243.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml drpbx.exe File opened for modification C:\Program Files (x86)\Windows NT\TableTextService\TableTextServiceTigrinya.txt drpbx.exe File opened for modification C:\Program Files\7-Zip\Lang\be.txt drpbx.exe File created C:\Program Files\7-Zip\Lang\ku.txt.fun drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.NET.Native.Runtime.1.7_1.7.25531.0_x64__8wekyb3d8bbwe\logo.png drpbx.exe File created C:\Program Files\7-Zip\Lang\pa-in.txt.fun drpbx.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-3101-0000-1000-0000000FF1CE.xml.fun drpbx.exe File opened for modification C:\Program Files\RegisterDisable.xla drpbx.exe File created C:\Program Files\7-Zip\Lang\el.txt.fun drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Advertising.Xaml_10.1808.3.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml drpbx.exe File created C:\Program Files\7-Zip\Lang\cs.txt.fun drpbx.exe File opened for modification C:\Program Files\7-Zip\Lang\hu.txt drpbx.exe File opened for modification C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E1-0000-1000-0000000FF1CE.xml drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Advertising.Xaml_10.1808.3.0_x64__8wekyb3d8bbwe\logo.png drpbx.exe File opened for modification C:\Program Files\Java\jre-1.8\README.txt drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml drpbx.exe File opened for modification C:\Program Files\7-Zip\Lang\et.txt drpbx.exe File opened for modification C:\Program Files\7-Zip\Lang\pl.txt drpbx.exe File created C:\Program Files\7-Zip\Lang\lij.txt.fun drpbx.exe File opened for modification C:\Program Files\7-Zip\Lang\va.txt drpbx.exe File opened for modification C:\Program Files\Java\jdk-1.8\THIRDPARTYLICENSEREADME.txt drpbx.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0115-0409-1000-0000000FF1CE.xml.fun drpbx.exe File opened for modification C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color120.jpg drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxBlockMap.xml drpbx.exe File created C:\Program Files\7-Zip\Lang\ba.txt.fun drpbx.exe File created C:\Program Files\7-Zip\Lang\eu.txt.fun drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\BuildInfo.xml drpbx.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1212 wrote to memory of 5016 1212 jigsaw.exe 89 PID 1212 wrote to memory of 5016 1212 jigsaw.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\jigsaw.exe"C:\Users\Admin\AppData\Local\Temp\jigsaw.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1212 -
C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe"C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\jigsaw.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:5016
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Network
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Remote address:8.8.8.8:53Request76.32.126.40.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request9.228.82.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request173.178.17.96.in-addr.arpaIN PTRResponse173.178.17.96.in-addr.arpaIN PTRa96-17-178-173deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request41.110.16.96.in-addr.arpaIN PTRResponse41.110.16.96.in-addr.arpaIN PTRa96-16-110-41deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request95.221.229.192.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request55.36.223.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request81.171.91.138.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request114.110.16.96.in-addr.arpaIN PTRResponse114.110.16.96.in-addr.arpaIN PTRa96-16-110-114deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request183.59.114.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request15.164.165.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request217.135.221.88.in-addr.arpaIN PTRResponse217.135.221.88.in-addr.arpaIN PTRa88-221-135-217deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request23.236.111.52.in-addr.arpaIN PTRResponse
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71 B 157 B 1 1
DNS Request
76.32.126.40.in-addr.arpa
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70 B 156 B 1 1
DNS Request
9.228.82.20.in-addr.arpa
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72 B 137 B 1 1
DNS Request
173.178.17.96.in-addr.arpa
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71 B 135 B 1 1
DNS Request
41.110.16.96.in-addr.arpa
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73 B 144 B 1 1
DNS Request
95.221.229.192.in-addr.arpa
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71 B 157 B 1 1
DNS Request
55.36.223.20.in-addr.arpa
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72 B 146 B 1 1
DNS Request
81.171.91.138.in-addr.arpa
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72 B 137 B 1 1
DNS Request
114.110.16.96.in-addr.arpa
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72 B 158 B 1 1
DNS Request
183.59.114.20.in-addr.arpa
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72 B 146 B 1 1
DNS Request
15.164.165.52.in-addr.arpa
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73 B 139 B 1 1
DNS Request
217.135.221.88.in-addr.arpa
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72 B 158 B 1 1
DNS Request
23.236.111.52.in-addr.arpa
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
283KB
MD52773e3dc59472296cb0024ba7715a64e
SHA127d99fbca067f478bb91cdbcb92f13a828b00859
SHA2563ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
SHA5126ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262