1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5

Analysis

max time kernel
150s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 16:26

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General

Target

1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
Size

37KB
MD5

15b417086643a67b617c3ad1a14bb9b0
SHA1

5b5d79d2dd6a95dc580e6363383e0467d4f77e0a
SHA256

1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5
SHA512

4d55af0569397eb2b507f27f053b48d4e0634bd82efea411d2d32841ef88945df661ac07d9c7975265ce4859c772af6f2052803e5bae5f1bcd52db139cfec87e
SSDEEP

768:W7BlphA7pARFbhM0Kkq81LOyq81LOl6Sl5ltjQ8QA:W7ZhA7pApM21LOA1LOl6AcfA

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (5203) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Blue.xml.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial1-ppd.xrm-ms.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Common Files\System\ado\de-DE\msader15.dll.mui.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XPath.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Controls.Ribbon.resources.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightRegular.ttf.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_CopyNoDrop32x32.gif.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Java\jre-1.8\lib\tzmappings.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ul-phn.xrm-ms.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\1033\VSTOInstallerUI.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Common Files\System\de-DE\wab32res.dll.mui.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-math-l1-1-0.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsBase.resources.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-pl.xrm-ms.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\vk_swiftshader_icd.json.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\directshow.md.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ul-oob.xrm-ms.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial2-pl.xrm-ms.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_MAK-ul-oob.xrm-ms.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL118.XML.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Java\jre-1.8\lib\cmm\GRAY.pf.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Red.xml.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\7-Zip\Lang\yo.txt.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\InkObj.dll.mui.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Royale.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Design.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome.dll.sig.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-ppd.xrm-ms.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msotd.exe.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSS7DATA000A.DLL.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\Send2.16.GrayF.png.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\UIAutomationTypes.resources.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationProvider.resources.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\hr.pak.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Internet Explorer\iexplore.exe.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\pkcs11wrapper.md.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_Subscription-pl.xrm-ms.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-ppd.xrm-ms.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-namedpipe-l1-1-0.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.Brotli.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationProvider.resources.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jp2ssv.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\calendars.properties.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-ul-oob.xrm-ms.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-ul-oob.xrm-ms.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-ul-phn.xrm-ms.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\7-Zip\Lang\io.txt.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\7-Zip\Lang\sr-spl.txt.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\WindowsBase.resources.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\Microsoft.VisualBasic.Forms.resources.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\meta-index.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Common Files\System\ado\msador28.tlb.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-pl.xrm-ms.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymxl.ttf.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.CoreLib.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\WindowsBase.resources.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sspi_bridge.dll.tmp	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe

C:\Users\Admin\AppData\Local\Temp\1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe
"C:\Users\Admin\AppData\Local\Temp\1b321320cfa1f3025ee3ee94da820e871f4971ff2fac93ddf2831446e25e41d5N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1364

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-2392887640-1187051047-2909758433-1000\desktop.ini.tmp

Filesize
38KB

MD5
20c2471ef026a9126947f4f8f549297a

SHA1
090d0f5ebcf5aed8fe839b3039bd544b48d59baa

SHA256
dc0ddc9a4b17a0df733c89789cd9345d8095fdae1ba4b0938b8b82532c86e6c9

SHA512
c83d2d8b8fe7d1129d87528a5236c14d7344185f9e8a1d58cc7d45e7549340018e8e8a2de4f32ec72dea955fbcce002dd490d571bea7c858d5ba1a806b6f5f73

Download Submit
C:\Program Files\7-Zip\7-zip.dll.tmp

Filesize
136KB

MD5
d5254bc9463a5df113da052c5b7b8d54

SHA1
25c428f3f93ee302ecfffb1b236b9c96ec0f11f2

SHA256
113e1a3e8db1f458897f9e481c03dd56f0df5f44cf0ea00568d70dfecdc09ea4

SHA512
cf4c5bb84ad7ac180c23fb314b94ab161b09b78bb014d44de9279136dc1b3b7cd2b76e6e88b40ef10f9d8231f5a6199b8b1e707b1e6a59c24e53b84e4e50c43a

Download Submit