1e073faac11182a7bac671d301f90bd7b7d070fc1e79f6836f411c680fa3e85e

Analysis

max time kernel
119s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-08-2024 01:13

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General

Target

2b73d3972944fcca7f99315da81e70b0N.exe
Size

38KB
MD5

2b73d3972944fcca7f99315da81e70b0
SHA1

a898c69a1fa39f41a9611d2be65d5ede9bc0968d
SHA256

1e073faac11182a7bac671d301f90bd7b7d070fc1e79f6836f411c680fa3e85e
SHA512

713ca87a05a95caac5a51c942052bac6bc4d7bbb9f8159a68c0715f2e9ce5e66a22fc498e1ad1e24e777b2488e637472ccf59266afa74e783c71a3071150c8fd
SSDEEP

768:W7BlpppARFbhjbhg42LcfpR42LcfproFNFjqAJLOqAJLz:W7ZppApBULcfpHLcfpyDc

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4371) 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\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.MashupEngine.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\7-Zip\Lang\lt.txt.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fi-fi.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Input.Manipulations.resources.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Excel.EditorRibbon.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-ul-oob.xrm-ms.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\PRIVATE_ODBC32.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\dnsns.jar.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\j2pcsc.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\vccorlib140.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ppd.xrm-ms.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tipresx.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.SecureString.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.FileSystem.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-heap-l1-1-0.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationClient.resources.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jhat.exe.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\bcel.md.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-util-l1-1-0.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-ppd.xrm-ms.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\7-Zip\Lang\ps.txt.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.UnmanagedMemoryStream.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Console.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l2-1-0.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvApi.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_TW.properties.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Design.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\HideConvertTo.rle.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Grace-ppd.xrm-ms.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.ZipFile.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Security.Cryptography.Pkcs.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationCore.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Common Files\System\ado\msador28.tlb.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Channels.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\PresentationUI.resources.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Input.Manipulations.resources.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_COL.HXC.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHSRN.DAT.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Encoding.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ul-phn.xrm-ms.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-ul-phn.xrm-ms.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTest-ppd.xrm-ms.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsplk.xml.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordaccore_amd64_amd64_7.0.1624.6629.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-locale-l1-1-0.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-ul-oob.xrm-ms.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Grace-ul-oob.xrm-ms.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-ul-oob.xrm-ms.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial5-ppd.xrm-ms.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHLTS.DAT.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000006\FA000000006.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvStreamingManager.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msaddsr.dll.mui.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.ServicePoint.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationFramework.resources.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationClient.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\v8_context_snapshot.bin.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-ul-oob.xrm-ms.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Classic.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Xaml.resources.dll.tmp	2b73d3972944fcca7f99315da81e70b0N.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	2b73d3972944fcca7f99315da81e70b0N.exe

C:\Users\Admin\AppData\Local\Temp\2b73d3972944fcca7f99315da81e70b0N.exe
"C:\Users\Admin\AppData\Local\Temp\2b73d3972944fcca7f99315da81e70b0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3960

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-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

Filesize
39KB

MD5
30907ed49a897bb21a682a95a3e3c256

SHA1
0f9cfaf0e130eb320b958bde92410c90dfe7b6ac

SHA256
369ac43618b6f10a72e50ea61bbf2b8ca21450840dacc65c85016b0977f7f6a6

SHA512
91da49a70c787c4a197251eb264880e44f7f9f7ecb59c1ecca82c858de08986999a2bf90d1c3cfdddad0fb921508a994bfa0c07b5b0fb99fc4c91aeb73835bb2

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

Filesize
137KB

MD5
fc6d80156b58c1abed61932eaaaf1a1e

SHA1
cabeddc34de69386f86eb857225ab5d74898defa

SHA256
cbe54a6a28d1ebf3de0abedfa034b87429b2cbf970460c2317afc21cd99f14b0

SHA512
28fc33547e5658d71aa3549853cdf2877c8be8ed6971ea13e786c481f67d36c4adb1c4049b4aaf77ce4f8faff3aa10ced8183e3b30e2332213fb1cfbedcce765

Download Submit