e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231de

Analysis

max time kernel
120s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 16:32

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General

Target

e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
Size

52KB
MD5

b435ba5846f5e78d3307769633c05960
SHA1

9c9ba9b78dfc48eabde73a04cea4d1dd9afa80e9
SHA256

e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231de
SHA512

fe30c8ceab3343aefcdd502a6ef2b85e3d4e30a7b55759ab51ed65280f630543716882946ca59b48ac024bd1769efe41252a2153445f0fc46669770f4f97b095
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9uGeoGe/X:V7Zf/FAxTWoJJ7TkGeoGev

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4635) 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/1044-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b6c-2.dat	upx
behavioral2/files/0x0004000000022941-6.dat	upx
behavioral2/memory/1044-788-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.scale-100.png.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.EventBasedAsync.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\PROCDB.XLAM.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\7-Zip\Lang\br.txt.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-locale-l1-1-0.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Author2String.XSL.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.DirectoryServices.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_KMS_Client-ul-oob.xrm-ms.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-pl.xrm-ms.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLLEX.DLL.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AUDIOSEARCHMAIN.DLL.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationClient.resources.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\swidtag\Microsoft Windows Desktop Runtime - 7.0.16 (x64).swidtag.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Interop.MSDASC.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_logo_large.png.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ppd.xrm-ms.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationProvider.resources.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l1-1-0.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\hijrah-config-umalqura.properties.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\dynalink.md.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.Lightweight.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.StackTrace.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.officemui.msi.16.en-us.xml.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription2-ppd.xrm-ms.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsjpn.xml.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Java\jre-1.8\bin\fontmanager.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-ul-phn.xrm-ms.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymsb.ttf.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Grace-ul-oob.xrm-ms.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-pl.xrm-ms.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\hu.pak.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgePackages.h.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\glib.md.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_Subscription-pl.xrm-ms.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-math-l1-1-0.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationClientSideProviders.resources.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome.dll.sig.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\te.pak.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\trusted.libraries.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-pl.xrm-ms.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.Brotli.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\WindowsFormsIntegration.resources.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jar.exe.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\meta-index.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-xstate-l2-1-0.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_SubTrial-ul-oob.xrm-ms.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_KMS_Client_AE-ul.xrm-ms.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC.HXS.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-ppd.xrm-ms.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ul-phn.xrm-ms.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Resources.Writer.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationTypes.resources.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PenImc_cor3.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sunec.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_OEM_Perp-ul-phn.xrm-ms.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-ppd.xrm-ms.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\POWERMAPCLASSIFICATION.DLL.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.X509Certificates.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Luna.dll.tmp	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.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	e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe

C:\Users\Admin\AppData\Local\Temp\e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe
"C:\Users\Admin\AppData\Local\Temp\e5a0286191e077d7a40fd12c33146f9cabc3501fb43f7f713c1cee2b07d231deN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1044

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

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Downloads

C:\$Recycle.Bin\S-1-5-21-2629364133-3182087385-364449604-1000\desktop.ini.tmp

Filesize
52KB

MD5
01a9b157f81ba0b0b66f8a51aa93541d

SHA1
be3e3c508bbc51cd6b88e234022ed34e0ce6c8fc

SHA256
548954dbeb8a979ea22d20d66f5928c75e597e270096742038416cdc97f1a04d

SHA512
235fe4e49edf8c818b18aa04321319022584a0e8cc1d0efa221047d59f40ca3d5748380b666aed75d2dc350f3c466eed8f6f5f14d9e2663605f83a4e704b0841

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

Filesize
151KB

MD5
7c4fdc1c536a2de9c2bdaa86f5545a5b

SHA1
149dc9e682a44d6dbfeb190e4d73366e6827dc0b

SHA256
8ae2fa93ab8aba5d40479f58188911e48bea008c87dee77c041f4af2644ca7de

SHA512
a686342453ba48cc08f5d2cf6e11a9e0a07a62f5776023574a9dc45e4018fe4f301b2ed83bcd9ef8800244208bed29a1ac2c487093ae7526e935fd64d5ecc76f

Download Submit
memory/1044-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1044-788-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download