690ae32b0d953b3eb797fd83b4f4da452b881d14c5cef94f5f0c2509aacc376b

Analysis

max time kernel
120s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01/08/2024, 21:31

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General

Target

05b2e63270a7455585131b37c92a67e0N.exe
Size

18KB
MD5

05b2e63270a7455585131b37c92a67e0
SHA1

d995f2984549af46434cd8c093114c50f11d49f8
SHA256

690ae32b0d953b3eb797fd83b4f4da452b881d14c5cef94f5f0c2509aacc376b
SHA512

2a9315fada5bed28858a8688132cc049ca7b1bc6c51f6c67e015cc9f57b6dc3e9047e43b8f72ba6305934cea96af0cc2e8f3b85ee935bfa4b8abe4051aa5e364
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJcbQbf1Oti1JGBQOOiQJhAT17eZ:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJ/

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4654) 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/4596-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000233d6-2.dat	upx
behavioral2/files/0x0014000000022907-6.dat	upx
behavioral2/memory/4596-1060-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Ping.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ppd.xrm-ms.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.OData.NetFX35.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCHART.DLL.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsel.xml.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Numerics.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.Win32.Registry.AccessControl.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\UIAutomationTypes.resources.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jni.h.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-ppd.xrm-ms.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.StackTrace.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win10.mp4.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ul-phn.xrm-ms.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-pl.xrm-ms.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\DataStreamerLibrary.dll.config.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\7-Zip\Lang\tr.txt.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationNative_cor3.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\jni_md.h.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\cryptix.md.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\sv\msipc.dll.mui.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\7-Zip\Lang\ug.txt.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-ul-phn.xrm-ms.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_KMS_Client_AE-ul.xrm-ms.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.FileSystem.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_LinkNoDrop32x32.gif.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-pl.xrm-ms.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Grace-ppd.xrm-ms.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-namedpipe-l1-1-0.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-synch-l1-2-0.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sunec.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-string-l1-1-0.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Http.Json.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationCore.resources.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Controls.Ribbon.resources.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-pl.xrm-ms.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial2-pl.xrm-ms.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.DocumentServices.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert.xml.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Internet Explorer\it-IT\ieinstal.exe.mui.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Glow Edge.eftx.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_BypassTrial180-ppd.xrm-ms.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_PrepidBypass-ppd.xrm-ms.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-errorhandling-l1-1-0.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Json.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCalls.h.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-dayi.xml.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-pl.xrm-ms.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-xstate-l2-1-0.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XDocument.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-pl.xrm-ms.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_OEM_Perp-ul-oob.xrm-ms.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Numerics.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.Parallel.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Royale.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Forms.Primitives.resources.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-ul-phn.xrm-ms.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-ul-oob.xrm-ms.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Aero.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.IO.Packaging.dll.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Internet Explorer\en-US\ieinstal.exe.mui.tmp	05b2e63270a7455585131b37c92a67e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\hijrah-config-umalqura.properties.tmp	05b2e63270a7455585131b37c92a67e0N.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	05b2e63270a7455585131b37c92a67e0N.exe

C:\Users\Admin\AppData\Local\Temp\05b2e63270a7455585131b37c92a67e0N.exe
"C:\Users\Admin\AppData\Local\Temp\05b2e63270a7455585131b37c92a67e0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4596

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-1-5-21-2951562807-3718269429-4208157415-1000\desktop.ini.tmp

Filesize
19KB

MD5
db4f6f11b2254e737b07c8f778b83733

SHA1
d3c3c70e5dae4c66fd87d44af2a78d9b46bb6697

SHA256
a5fb61d4b1b3379b7cd86a2b41957240ab39cc3dadbdbdbcd74b7f756b85d59a

SHA512
6dca48295ceb531a6a721722e0c4e942f7d4cb8a3f55918fc44d591538e7930a84c422c5288bf6dc09fbde6ef427230d2dc9213baf8c42d7818670046c4fb8ac

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

Filesize
117KB

MD5
7c651c91390d4b6dbe5a0614424f6cc9

SHA1
0845a56b9390945f8fd50c0de80dd15bc8d10a1c

SHA256
a7230c0a3f536631505c9f08ee1e155fef52a727bf28760cf941115cca58b17a

SHA512
1d5ce04d1f99482f481fc7695335ab758d79f9f95a97962bf9da94a595d19f63294d7f93f7aa0441bf2fb12f22d3fb4eb3d90a562454c4a11dad7f958768e58a

Download Submit
memory/4596-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4596-1060-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download