fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 03:32

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General

Target

fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
Size

32KB
MD5

85650ddeb9ea74326493987fd25e3822
SHA1

f40a37a072a3dc05c7fde9afcc1ae3cf81dc9c61
SHA256

fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96
SHA512

a03c8324bec348061ceeb2ee784dbeef93b4d56401a27ed34f0da6ce4e9e8f040a62676c5eb4370d236e4839d8c0a67988ab808af822903d9a272ea25dc0328a
SSDEEP

768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcu90TKe+0TKec:CTW6

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5190) 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/3028-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000900000002348e-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/3028-871-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.ReportingServices.AdHoc.Excel.Client.Entry.Interfaces.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\MSHY7FR.DLL.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-console-l1-1-0.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Java\jdk-1.8\include\jvmti.h.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Java\jdk-1.8\THIRDPARTYLICENSEREADME.txt.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_MAK-pl.xrm-ms.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Java\jre-1.8\bin\javaw.exe.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\webkit.md.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Grace-ppd.xrm-ms.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Controls.Ribbon.resources.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome.exe.sig.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_COL.HXC.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\msvcr120.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PPINTL.DLL.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\7-Zip\Lang\mng.txt.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\WindowsBase.resources.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-profile-l1-1-0.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ppd.xrm-ms.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-ul-oob.xrm-ms.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\7-Zip\Lang\az.txt.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Data.Common.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\UIAutomationClientSideProviders.resources.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Office16\pkeyconfig-office.xrm-ms.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Java\jre-1.8\lib\psfontj2d.properties.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-pl.xrm-ms.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\rsod\proof.es-es.msi.16.es-es.boot.tree.dat.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-phonetic.xml.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Cng.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.Design.Editors.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\relaxngdatatype.md.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Java\jre-1.8\bin\sunmscapi.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial3-pl.xrm-ms.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.DataIntegration.TransformDataByExample.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Common AppData\Microsoft\OFFICE\Heartbeat\HeartbeatCache.xml.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\WindowsBase.resources.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Java\jre-1.8\bin\verify.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Java\jre-1.8\lib\calendars.properties.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Georgia.xml.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-ppd.xrm-ms.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Drawing.Design.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Green.xml.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-ppd.xrm-ms.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_MAK-ul-phn.xrm-ms.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AugLoop\bundle.js.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsita.xml.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-stdio-l1-1-0.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-ul-oob.xrm-ms.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_ViewOnly_ZeroGrace-ul-oob.xrm-ms.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\comments.win32.bundle.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Office16\react-native-win32.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\ReachFramework.resources.dll.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ko.pak.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ppd.xrm-ms.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART8.BDR.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART13.BDR.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\TPN.txt.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\et\msipc.dll.mui.tmp	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.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	fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe

C:\Users\Admin\AppData\Local\Temp\fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe
"C:\Users\Admin\AppData\Local\Temp\fcab53db9dc36cebb2f81779cc31d4d8129f315dcf3a759a5be78ff2f481ad96.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3028

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-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp

Filesize
32KB

MD5
a2142e2957c3d7966e7d5e2cc17b9403

SHA1
dfe34209e84fff673b126aac94e2f0df0c2ed348

SHA256
0ad103cfc608af91346c2efcf0bd46006e2afcaccc07b3ab459289974b65a7ef

SHA512
a6b3c06ceacf2f4299be2b8eb3673ec43f830d4d53489e1460c8dde57477c5d8a872aeb469892c29b54c9b35e592082dd678c66ddfeac4e53cae9db44c633708

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

Filesize
131KB

MD5
92a6d472af2bce3bc7f506cc19be689b

SHA1
7cbdb24b994c8cd3975439a051c29cbcea569f6d

SHA256
b1305cc83fe915acdefd45b6ddada10a4366d35dbaa4a9b35a92c390d016f274

SHA512
af359a43c9e23c4861c77d6ada7a71cacbe9493dae54663a9cb1827c49322d6ff4a14e5847938125e4789e0fca89fe7eb9e4b7ce963d24a77568d514fd68034d

Download Submit
memory/3028-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3028-871-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download