c006173d1459d6872688f755e70580152801f0d25ec011c5f080d58b1c024977

Analysis

max time kernel
120s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/09/2024, 04:20

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General

Target

bae7405900f3f3bb51bc17ec8d306ce0N.exe
Size

647KB
MD5

bae7405900f3f3bb51bc17ec8d306ce0
SHA1

c7c9a34985005451a93372e8bd771a1215023532
SHA256

c006173d1459d6872688f755e70580152801f0d25ec011c5f080d58b1c024977
SHA512

9492a50404c9b3bfb520e6fbb11d946123977953841fe7898a5b89d8a15cd2f97a60412381e48e8fc7f3abcda85ea11131577303fe54cb0c9c3241954112ee97
SSDEEP

6144:KbEj/nn4LlljrgVpPDe2C+Dv5TBhwZzlm:dnn4UV1DnC+DPhwZY

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (2380) 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/552-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233eb-2.dat	upx
behavioral2/files/0x0004000000022933-6.dat	upx
behavioral2/memory/552-436-0x0000000000400000-0x000000000040B000-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.Text.Json.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Printing.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationUI.resources.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\pkcs11cryptotoken.md.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_rtl.xml.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Globalization.Extensions.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Mail.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipscat.xml.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationClient.resources.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-localization-l1-2-0.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\WindowsFormsIntegration.resources.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\ecc.md.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\sqloledb.rll.mui.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebClient.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Accessibility.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Specialized.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationCore.resources.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\ReachFramework.resources.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\jopt-simple.md.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\jpeg_fx.md.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\7-Zip\Lang\mng.txt.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\tipresx.dll.mui.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.CodeDom.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Xaml.resources.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jp2iexp.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.DataAnnotations.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.Brotli.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Handles.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-utility-l1-1-0.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\ServiceWatcherSchedule.xml.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationProvider.resources.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationTypes.resources.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\ReachFramework.resources.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationTypes.resources.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Forms.Design.resources.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\swidtag\Microsoft Windows Desktop Runtime - 6.0.27 (x64).swidtag.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrcommonlm.dat.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Principal.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Forms.resources.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\javafx-mx.jar.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-interlocked-l1-1-0.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-profile-l1-1-0.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\UIAutomationProvider.resources.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\WindowsBase.resources.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Forms.Primitives.resources.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\7-Zip\Lang\eo.txt.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Common Files\System\ado\msado28.tlb.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Formats.Asn1.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_de.properties.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_TW.properties.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Controls.Ribbon.resources.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationProvider.resources.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\bn.pak.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\mr.pak.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\es-ES\msinfo32.exe.mui.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\sqlxmlx.rll.mui.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-runtime-l1-1-0.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.NameResolution.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Forms.Primitives.resources.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Common Files\System\ado\msador28.tlb.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\Common Files\System\wab32res.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Configuration.dll.tmp	bae7405900f3f3bb51bc17ec8d306ce0N.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	bae7405900f3f3bb51bc17ec8d306ce0N.exe

C:\Users\Admin\AppData\Local\Temp\bae7405900f3f3bb51bc17ec8d306ce0N.exe
"C:\Users\Admin\AppData\Local\Temp\bae7405900f3f3bb51bc17ec8d306ce0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:552

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-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.tmp

Filesize
647KB

MD5
55a5c47bc8f8549694df5f3eeecdec27

SHA1
caa530ff5097386d7a859b9b55bf8f965cb66210

SHA256
84caee4c570047062493184ebdd611a2fadfaedb70098261a75755a80753e8ef

SHA512
b0783e3377e91b6e8cc9908d14b279a6db182dc662c9fd9414e74a2cff7928de61af2794d2608a17a4e846ed1ae539ee03113126c7a875d586e783c85da737ea

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

Filesize
746KB

MD5
9cfcf2dd7dd639e33589078197f41f02

SHA1
71616a2f9c4fb7f1495f1808e34f4eb2b61d78a9

SHA256
79dd8b32f08733669d130ee376cf811628d01bd224c2c4720f63061c0ae430a6

SHA512
b6540a6ae384510f7310cd5ac1433ef78c79c9baf28125f3c438845b3211e78fd55c2acd70a53f20fe751bf02eac28ccf1c539442772b3f2ae271344cb4a8ae0

Download Submit
memory/552-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/552-436-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download