5ee6d2f285765f8c82c3312129f0840cc8d8d9ba9fdddab4361d23ee69f82329

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
07/09/2024, 02:48

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General

Target

e1e5b9498ccd970d7350bf2a19050600N.exe
Size

29KB
MD5

e1e5b9498ccd970d7350bf2a19050600
SHA1

b277b801f86c21942acecc8b02f640e6ee9d2af8
SHA256

5ee6d2f285765f8c82c3312129f0840cc8d8d9ba9fdddab4361d23ee69f82329
SHA512

b6d19bf6d2e3d694922381c5122c97003eee584f7c300be461e0d3023a02c165329a31a0c6679db735a02512a69b6d91f69a05c011095db3a5d6ccb36ef00e6b
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJ1Evd5BvhzaM9mSIEvd5BvhzaM9mSsxmMxm9+9ZJVuE:kBT37CPKKdJJ1EXBwzEXBwdcMcI9ZJR

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4672) 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/3172-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000233db-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/3172-933-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.CompilerServices.Unsafe.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationCore.resources.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Java\jdk-1.8\include\classfile_constants.h.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_es.properties.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\management\snmp.acl.template.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_Subscription-ppd.xrm-ms.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.CodePages.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.DiaSymReader.Native.amd64.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsBase.resources.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\cs.pak.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\zlib.md.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription2-ul-oob.xrm-ms.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-pl.xrm-ms.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-ppd.xrm-ms.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-private-l1-1-0.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\vstoee100.tlb.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\tabskb.dll.mui.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msaddsr.dll.mui.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationTypes.resources.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-pl.xrm-ms.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\netstandard.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Printing.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationProvider.resources.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\WindowsFormsIntegration.resources.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial1-pl.xrm-ms.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\ShapeCollector.exe.mui.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Forms.resources.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogo.png.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\unicode.md.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\public_suffix.md.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial4-pl.xrm-ms.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\da-DK\tipresx.dll.mui.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.DiagnosticSource.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.officemuiset.msi.16.en-us.xml.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mip_upe_sdk.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-CA\tipresx.dll.mui.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationProvider.resources.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Drawing.Common.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Client\C2R32.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Trial-pl.xrm-ms.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Retail-pl.xrm-ms.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\mshwLatin.dll.mui.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Numerics.Vectors.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.VisualBasic.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\xalan.md.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jfr.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ppd.xrm-ms.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Luna.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\public_suffix.md.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Grace-ul-oob.xrm-ms.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-localization-l1-2-0.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Controls.Ribbon.resources.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemCore.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Trial-ul-oob.xrm-ms.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Sockets.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationUI.resources.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-utility-l1-1-0.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Java\jre-1.8\bin\WindowsAccessBridge-64.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-locale-l1-1-0.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial2-ul-oob.xrm-ms.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\PresentationUI.resources.dll.tmp	e1e5b9498ccd970d7350bf2a19050600N.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	e1e5b9498ccd970d7350bf2a19050600N.exe

C:\Users\Admin\AppData\Local\Temp\e1e5b9498ccd970d7350bf2a19050600N.exe
"C:\Users\Admin\AppData\Local\Temp\e1e5b9498ccd970d7350bf2a19050600N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3172

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-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

Filesize
29KB

MD5
38b43ced98dea5f5f2ad7d0181f1a99e

SHA1
97210375d827d2c6d9b9a757fb982268fedaf53c

SHA256
22fe0736af6795e72ec47b84a39de87f36e1a5b35925a9ab9d47ddde73d45f89

SHA512
e60e503e07a670b7e4eb80f4cddafc56521616c9bf34020f7504e57d1055c65cfd0b771af0ff7143176cf599b457a7668f937d21af013d7de631aba5cb4542c0

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

Filesize
128KB

MD5
977a1525a4e96cb38fe5deb4837cd80b

SHA1
b71d584ffb44b2d98a09c4b54035bea72c59a21b

SHA256
e325f2a4f76b2839990011275c51500789e824ecef35a141f99f46d34c5d86b8

SHA512
8c3d44aea68bcd4259f37962b6d1e3298d77b90df74d3dd3fd31e537be492fc533abebfa79c8ea2da420ab7834fa0146ff12354700c662f6d8d4f9c727d8296b

Download Submit
memory/3172-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3172-933-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download