414a2e469a5be0fc5494c0e4018cc51cedead187431a4995d2f25abadb563efa

Analysis

max time kernel
120s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 03:21

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General

Target

4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
Size

35KB
MD5

4ce41ebc1dfda2f1d5ace071f1ac0ef0
SHA1

d9b9fc218d1de5d16674e7d4e0cbe89c908a4560
SHA256

414a2e469a5be0fc5494c0e4018cc51cedead187431a4995d2f25abadb563efa
SHA512

b8bd7ae5d3fef87d69436fb37d2d7f62ae02ff087cf489638f08b3469d71c453ee26239e624ac7edcaf67bf6ed035ecca559b977fe9665c0d72f87e6fe032376
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9nT4PCs2B24PCs2BeHv:CTW7JJ7Tx4PN54PNv

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4720) 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/4572-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0009000000023489-2.dat	upx
behavioral2/files/0x000400000002291b-6.dat	upx
behavioral2/memory/4572-989-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\1033\LyncVDI_Eula.txt.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OART.DLL.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-file-l1-2-0.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.SecureString.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-ppd.xrm-ms.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_Subscription-pl.xrm-ms.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-runtime-l1-1-0.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\sqloledb.rll.mui.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.Pkcs.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\vk_swiftshader.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\management\snmp.acl.template.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ppd.xrm-ms.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-ul-oob.xrm-ms.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Process.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Forms.Design.resources.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemCore.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sk.pak.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_KMS_Client-ppd.xrm-ms.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-180.png.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Grace-ul-oob.xrm-ms.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ko-kr.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Principal.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationClient.resources.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Violet II.xml.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Classic.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Forms.resources.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationProvider.resources.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\management\jmxremote.access.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sv-SE\tipresx.dll.mui.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Pipes.AccessControl.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Transactions.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.resources.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-pl.xrm-ms.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_KMS_Client-ul-oob.xrm-ms.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\msipc.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Xaml.resources.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Grace-ppd.xrm-ms.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ppd.xrm-ms.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Java\jre-1.8\LICENSE.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Blue.xml.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordaccore_amd64_amd64_7.0.1624.6629.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.ReaderWriter.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\PresentationUI.resources.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Xaml.resources.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.DataIntegration.TransformDataByExample.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe.manifest.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Csp.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\hijrah-config-umalqura.properties.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest5-ppd.xrm-ms.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-ppd.xrm-ms.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QRYINT32.DLL.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\linesdistinctive.dotx.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\bg-BG\tipresx.dll.mui.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\lcms.md.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ppd.xrm-ms.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription4-pl.xrm-ms.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\ucrtbase.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Java\jre-1.8\release.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AugLoop\bundle.js.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Mail.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.CompilerServices.VisualC.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationCore.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\msvcp140_2.dll.tmp	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.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	4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe

C:\Users\Admin\AppData\Local\Temp\4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe
"C:\Users\Admin\AppData\Local\Temp\4ce41ebc1dfda2f1d5ace071f1ac0ef0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4572

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-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp

Filesize
36KB

MD5
7f3bd9bc336872135eb4d4200a46cba6

SHA1
b3b6d311f601d7b717f6366a9ad18ec13afdcffb

SHA256
9cdb8289485415f74e2f84146e2cf09129d7e33d7a9308c5f4ec5d13947a1c5a

SHA512
492764e1a4dc7b5f6b47b1c90e799bde476f2f0b8f5f78fea798414909ce92b456d581e449ed6216ce0c89f3a9ab5363524ecb0402200b5e5b6951e50674db16

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

Filesize
134KB

MD5
a959b57ddcf7b8a095f71f4795cfd371

SHA1
1451c89ef7f568ff88c56e9b71e0cf9ed265cc2c

SHA256
1c5214db6e5ed83f5637a7cf36891bf2a427f9ff88524dfb489f9c6bed4343cd

SHA512
b5bb02cecc0d7450fd723f82305b192ac71064b41e5dde7029bc3e06013e5273323302e03feb2ecbbbcb33298c4c2807c6bc45193797c887da4fb0684a1f1d86

Download Submit
memory/4572-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4572-989-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download