a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211

Analysis

max time kernel
150s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/09/2024, 01:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
Size

24KB
MD5

27836c404a2bf15dfe3fdb4bceb36989
SHA1

85f05a69a46b7fd350303cf3138700924ccf4d12
SHA256

a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211
SHA512

bc9ced83e380cc97162dbb8fa3d53a62fc8d15478360a54f9c9b74891d2d031321bbdac88fc44d0ce20277aee7116feaddc4e127a7406155ea31f1accb2cca2a
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJ1Evd5BvhzaM9mSIEvd5BvhzaM9mSsxmMxm9+9Es7sO:kBT37CPKKdJJ1EXBwzEXBwdcMcI9L

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5195) 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/3344-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0009000000023368-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/3344-908-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\rsod\powerpoint.x-none.msi.16.x-none.boot.tree.dat.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Java\jre-1.8\lib\accessibility.properties.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.ProviderShared.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\personaspybridge.js.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsptb.xml.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\host\fxr\8.0.2\hostfxr.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.SecureString.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.Extensions.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\thaidict.md.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RUI.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Common Files\microsoft shared\VC\msdia100.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\asm.md.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-ppd.xrm-ms.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Retail-ppd.xrm-ms.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Controls.Ribbon.resources.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Consolas-Verdana.xml.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-heap-l1-1-0.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Yellow.xml.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription1-pl.xrm-ms.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTest-ul-oob.xrm-ms.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-pl.xrm-ms.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GR8GALRY.GRA.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\7-Zip\Lang\et.txt.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Input.Manipulations.resources.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Office16\excelcnvpxy.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-fibers-l1-1-0.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Extensions.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription4-ppd.xrm-ms.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_KMS_Client_AE-ul.xrm-ms.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_MAK-ul-oob.xrm-ms.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\7-Zip\Lang\ro.txt.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\ea.xml.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\WindowsBase.resources.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Drawing.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-ppd.xrm-ms.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OFFRHD.DLL.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\WindowsFormsIntegration.resources.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\WindowsFormsIntegration.resources.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ReachFramework.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jp2ssv.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.Watcher.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.DirectoryServices.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-localization-l1-2-0.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_SubTrial-pl.xrm-ms.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Office16\GKPowerPoint.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-string-l1-1-0.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Xaml.resources.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Grace-ppd.xrm-ms.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\BCSRuntimeRes.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_KMS_Client-ppd.xrm-ms.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-100.png.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\sbicudt58_64.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Memory.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Xaml.resources.dll.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Tw Cen MT.xml.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-ul-phn.xrm-ms.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ul-phn.xrm-ms.tmp	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.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	a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe

C:\Users\Admin\AppData\Local\Temp\a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe
"C:\Users\Admin\AppData\Local\Temp\a7e31208751f76edf597bee5ac6b3d54d35929af5631400cb3eb7560ec92d211.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3344

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

Filesize
24KB

MD5
f55886be4a6e48b64f6bb661584228e2

SHA1
34a9bf611ff201b1a7e3861dc6907a167875a352

SHA256
9eb87ca07b70f89bea0fc9a84bdb3ca6b0427d0a47baafa33a4c774a53b12b98

SHA512
3bf367a409f2c04c8da1d62ddafe036775bf499b162a13880ecc8bc5aed6886f8a605e7f6e602addbb52642ed281d23e4529f4d213e5a9b9e48cf07d3982533e

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

Filesize
123KB

MD5
c8b8705fb7c278b75c07dea1f6c4eab8

SHA1
c79aac983d6593880ba5efc43f821422c5a341d3

SHA256
15b8e2823c67af3da24b331a940f0ce26388410f416f385484b5cf4ed6ad7ad7

SHA512
7b7a51bcf579aefba9b4faeb00625f13ef7216f6e755cc13d34e83cb4f9917c216800181a88f0aeeb1a537af1425bf93a31c64766323eaeaad1489742dedc801

Download Submit
memory/3344-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3344-908-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download