4d635d57482055bb324ea4d3f6b6f5e88ce122a3bbd221ce3b19a9de233ace15

Analysis

max time kernel
119s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 18:54

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General

Target

cce679039743e7de35d770902cf95350N.exe
Size

65KB
MD5

cce679039743e7de35d770902cf95350
SHA1

7efb5ae1907fed660017646e04dea850db54e459
SHA256

4d635d57482055bb324ea4d3f6b6f5e88ce122a3bbd221ce3b19a9de233ace15
SHA512

c3fb2a0fc0551e5eefb8a949607cc4e2cea5932eaa3ba703c8540114c207ff740edef0a3b45617d72dedffe9d96cb56d28d1034db49c64d5f2a8f0cf611ea000
SSDEEP

1536:CTWn1++PJHJXA/OsIZfzc3/Q8asUsJOLKc/xJtLJtTGE:KQSohsUsUKM

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4619) 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/2900-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00080000000233b9-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/2900-853-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\jre\bin\server\jvm.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\content-types.properties.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-ppd.xrm-ms.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\7-Zip\Lang\mk.txt.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Common Files\System\msadc\adcjavas.inc.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Forms.Design.resources.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-process-l1-1-0.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Java\jre-1.8\bin\rmid.exe.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\7-Zip\7z.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jli.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Trial-pl.xrm-ms.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_Grace-ppd.xrm-ms.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ppd.xrm-ms.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Grace-ppd.xrm-ms.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ppd.xrm-ms.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOHEV.DLL.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Xml.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\currency.data.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Java\jre-1.8\bin\awt.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\UIAutomationClientSideProviders.resources.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_PrepidBypass-ppd.xrm-ms.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART9.BDR.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Contracts.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.FileVersionInfo.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-ul-phn.xrm-ms.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\GostName.XSL.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert.xml.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Forms.Primitives.resources.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Client\mfc140u.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_es.properties.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Trial-ul-oob.xrm-ms.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hr-HR\tipresx.dll.mui.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.NonGeneric.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\PresentationUI.resources.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Forms.Design.resources.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jdwp.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Blue.xml.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTest-pl.xrm-ms.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.dll.manifest.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.MemoryMappedFiles.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Input.Manipulations.resources.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationClient.resources.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\UIAutomationClientSideProviders.resources.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationTypes.resources.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.scale-140.png.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\7-Zip\Lang\uz-cyrl.txt.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\PresentationUI.resources.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Input.Manipulations.resources.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\FileSystemMetadata.xml.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mip_core.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.zh-cn.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\TipRes.dll.mui.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Xaml.resources.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.AeroLite.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-time-l1-1-0.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-pl.xrm-ms.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_MAK_AE-ul-oob.xrm-ms.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.WebSockets.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Primitives.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Extensions.dll.tmp	cce679039743e7de35d770902cf95350N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\IFDPINTL.DLL.tmp	cce679039743e7de35d770902cf95350N.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	cce679039743e7de35d770902cf95350N.exe

C:\Users\Admin\AppData\Local\Temp\cce679039743e7de35d770902cf95350N.exe
"C:\Users\Admin\AppData\Local\Temp\cce679039743e7de35d770902cf95350N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2900

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
65KB

MD5
650966c711fcd6d327d1efe5cb60a8ec

SHA1
89cf8b1e9f4d49c2aed39708980005b52f01685b

SHA256
f787db1c93efe580f1bebdff3bd36f6318d2af0ca73f65bc56a24dd5dcdcde82

SHA512
b76b7a84bbff3ecdcbdee00185dcce8a2c16520a4f6026bc803a8d06d2fb809fde796576e559b9d91fecea9311920d4deee5c1c381aa65b1e38a8093d603a0c5

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

Filesize
164KB

MD5
1224a99d50111c73c1b99347976794ec

SHA1
90a3c46ea41dd50e8f129a20c8f1886d81bbf038

SHA256
f8bf649ca9526282962627559f545b9ad3777e328bb7fa8f8c74c33732ed5e01

SHA512
49d418b346d18e38d96c296a0ae17130797c97896e82cf0c6eff1df9b578ae0af5100bc32a6c9e2649c8fc5595d8469d2cce27dc03b1a9aac6d4d1a188585372

Download Submit
memory/2900-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2900-853-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download