98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61f

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 00:55

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General

Target

98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
Size

60KB
MD5

901201f1af0b8bd16350b211ea913530
SHA1

917d6fed498b08cf9ea2910199bfdb7c63337ce9
SHA256

98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61f
SHA512

1bef715a69e0bb2c55e0fc152b56bbabfc295358e22f9a148528fb6f50a1b50aba38e1e6d5e906d6960223a9cc0c0284dcaf8ff131d8790c965a40bf4b3eb4a9
SSDEEP

768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFze:CTWn1++PJHJXA/OsIZfzc3/Q8zxY5eYR

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4628) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4760-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000233d7-2.dat	upx
behavioral2/files/0x0004000000022922-6.dat	upx
behavioral2/memory/4760-869-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-ppd.xrm-ms.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Trial-ul-oob.xrm-ms.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ru-ru.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\Microsoft.VisualBasic.Forms.resources.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\xerces.md.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_KMS_Client-ul-oob.xrm-ms.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsym.ttf.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationTypes.resources.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\cryptix.md.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\tabskb.dll.mui.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationCore.resources.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Royale.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\lcms.md.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-white_scale-80.png.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\7-Zip\Lang\ka.txt.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvVirtualization.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\FrequentOfficeUpdateSchedule.xml.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\mshwLatin.dll.mui.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\de.pak.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Grace-ul-oob.xrm-ms.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremDemoR_BypassTrial365-ppd.xrm-ms.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial1-ppd.xrm-ms.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\7-Zip\Lang\bn.txt.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.es-es.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\WindowsBase.resources.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-utility-l1-1-0.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessDemoR_BypassTrial365-ppd.xrm-ms.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-ul-oob.xrm-ms.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-processthreads-l1-1-0.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Claims.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.InteropServices.JavaScript.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.DriveInfo.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationClient.resources.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Forms.resources.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\WindowsBase.resources.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\rtscom.dll.mui.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.FileSystem.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fontconfig.properties.src.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipshi.xml.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Encoding.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Timer.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-localization-l1-2-0.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_altgr.xml.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\mip.exe.mui.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-black_scale-100.png.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_COL.HXC.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationClientSideProviders.resources.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Retrospect.thmx.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sql2000.xsl.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\mshwLatin.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-ppd.xrm-ms.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fil.pak.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\msotdintl.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Windows.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\.version.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_elf.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ul-oob.xrm-ms.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-ul-oob.xrm-ms.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\WHOOSH.WAV.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-errorhandling-l1-1-0.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Globalization.dll.tmp	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.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	98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe

C:\Users\Admin\AppData\Local\Temp\98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe
"C:\Users\Admin\AppData\Local\Temp\98b13170092cf75ec6d9f1ca1283aae004760a730d258283cc87c291dde8f61fN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4760

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
60KB

MD5
d74a50f49514ae7cc9f4737f742c8722

SHA1
1b452c9f4dfab8a26980970222de70de35f913fe

SHA256
c8969b94ecb7c6af2e2988b4e993a99ead52fd9ecd8f3af5d6e91399caf6f898

SHA512
bbca74225d3639dd43fbadbd4d046d2586332ccec93c8f5608f6ed8520d4dbb5d28a1467753bf316ebf389c273aaaaf2dcb139849bab7eb7dcdcbee077fce62d

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

Filesize
159KB

MD5
10808ae325177ba75afdc6fafb783853

SHA1
6d1c6ed2d6992cecf852cb647812a7182fd96ee9

SHA256
e466505f6d583d14edfb0b4a316f4c4f9ebf124206dee2418e7cd9967c6f5b45

SHA512
749afcdc62f0d9721dfe3513983be060951fd84cf83bcaa98dc31749e491e5e14e9181867d274542b50ebc67aa1e7b51b501bcd3591c532e9e4ce72f88f61ec9

Download Submit
memory/4760-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4760-869-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download