c73a74e02e7a5447471053461c7d98442e56416ae747b3841ce6531f605de6f4

Analysis

max time kernel
120s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/09/2024, 12:22

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General

Target

3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
Size

152KB
MD5

3ace52cd0bbb1853ab1d76e38b3b3d20
SHA1

1d40e86aedaca8429c0ed640711e96e52110fbfa
SHA256

c73a74e02e7a5447471053461c7d98442e56416ae747b3841ce6531f605de6f4
SHA512

1987856f5f610cd158e7c65301037688042a78f8e80680e93d0e76cc52285b09c67ded1cb49b9d60bdedc3b85ed81d67c36d0d97f1f227005d3c122ce2e28f30
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY5a8fTWn1++PJHJXA/OsIZfzc3/Q8O:fnyiQSox5a8rQSox5a83cc

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4186) 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/4652-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002340c-2.dat	upx
behavioral2/files/0x0004000000022922-6.dat	upx
behavioral2/memory/4652-758-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.InteropServices.JavaScript.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationClientSideProviders.resources.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\wsdetect.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Java\jre-1.8\lib\javafx.properties.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_EnterpriseSub_Bypass30-ppd.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jp2ssv.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange.xml.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Subtle Solids.eftx.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Retail-ul-phn.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\vcruntime140.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-math-l1-1-0.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-ul-phn.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Common Files\System\ado\msadomd.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.MemoryMappedFiles.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\splashscreen.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\Office16\OSPP.VBS.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-pl.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Pipes.AccessControl.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-pl.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSQRY32.CHM.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\7-Zip\Lang\eo.txt.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l1-1-0.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Facet.thmx.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp4-ul-oob.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\7-Zip\Lang\uz.txt.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.AeroLite.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Forms.Primitives.resources.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jdb.exe.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\pkcs11cryptotoken.md.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest5-ul-oob.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOLoader.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\PresentationCore.resources.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\unicode.md.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_OEM_Perp-ul-oob.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial1-ppd.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription5-pl.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Trial-ul-oob.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-pl.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Mail.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.ReaderWriter.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\dxil.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\dt_shmem.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\limited\US_export_policy.jar.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-ppd.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Primitives.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Internet Explorer\en-US\ieinstal.exe.mui.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Java\jre-1.8\bin\javaw.exe.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_Grace-ppd.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-stdio-l1-1-0.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.EventBasedAsync.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Resources.Extensions.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\vcruntime140_1.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial3-pl.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\7-Zip\Lang\hy.txt.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCONTROL.DLL.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\ReachFramework.resources.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-ppd.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ppd.xrm-ms.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\VVIEWRES.DLL.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\WindowsBase.resources.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jfr.dll.tmp	3ace52cd0bbb1853ab1d76e38b3b3d20N.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	3ace52cd0bbb1853ab1d76e38b3b3d20N.exe

C:\Users\Admin\AppData\Local\Temp\3ace52cd0bbb1853ab1d76e38b3b3d20N.exe
"C:\Users\Admin\AppData\Local\Temp\3ace52cd0bbb1853ab1d76e38b3b3d20N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4652

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
152KB

MD5
a50098588bc3dbacff0c6d5b1169b5fd

SHA1
29c688779f5fda7813cb5c87a519743c48abdbd3

SHA256
d6b5e5e8974c574aebd7e16be40d5cbc0a6c4139900478cdf8957c2bf6c91c0d

SHA512
7f2089dd15930747dfda607221f92a764795797d71685ae46d2498e380dca049ca6cbd42d345fc387a44690379b70168c2f6b810ca7bd859a7a1303148d46d3d

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

Filesize
251KB

MD5
55511dfc2e27bf7d318ebd97277abfb8

SHA1
2996caca9b39ff8a1c197a44da2e0d6a96285d98

SHA256
9589423d2e8a3d4b54bd7e4541dede6df8544694a7bb1f1c7f6c24060780c572

SHA512
3e5c892a39db59c9d055ac753e561a195cbc9623ce8f6fbce207a1008725a611fef3eed009c6df7dd19605ec96346975fe7c952bea08c0b2c71b15cb4445a9d7

Download Submit
memory/4652-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4652-758-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download