4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2

Analysis

max time kernel
150s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 21:16

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Report Analysis Logs

General

Target

4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
Size

56KB
MD5

8f282c364ae7dbf3534c6870904ce4aa
SHA1

5917997487630822ff9c2db0a93182d67633b0f1
SHA256

4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2
SHA512

91afe013feaec8fc4c20f18daa532509c4120b53283bdf352f694900e7254e2afc3309f53cd63218e79fcac615784f74715356fc7e274c64893f6c2daf9c0a2a
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjSEXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rX:V7Zf/FAxTWgGpGa

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5189) 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/3532-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023459-2.dat	upx
behavioral2/files/0x00080000000234b4-6.dat	upx
behavioral2/memory/3532-1890-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Controls.Ribbon.resources.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-pl.xrm-ms.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientOSub2019_eula.txt.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\MISTRAL.TTF.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.he-il.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base.xml.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebProxy.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\default_apps\external_extensions.json.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-ul-phn.xrm-ms.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\mashupcompression.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\de-DE\msinfo32.exe.mui.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\ReachFramework.resources.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Design.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-ppd.xrm-ms.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Common Files\System\msadc\msaddsr.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encoding.CodePages.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Java\jre-1.8\bin\java.exe.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-ppd.xrm-ms.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\cardview-addtotable-dark.png.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\access-bridge-64.jar.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaSansDemiBold.ttf.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientSub2019_eula.txt.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH.HXS.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\unlimited\US_export_policy.jar.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTest-ppd.xrm-ms.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-ppd.xrm-ms.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Common AppData\Microsoft\OFFICE\AssetLibrary.ico.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tipskins.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ServiceModel.Web.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\UIAutomationClientSideProviders.resources.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001B-0409-1000-0000000FF1CE.xml.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSBARCODE.DLL.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationProvider.resources.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Controls.Ribbon.resources.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ul-phn.xrm-ms.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WacLangPackEula.txt.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Trial-pl.xrm-ms.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.WindowsAzure.StorageClient.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\SEQCHK10.DLL.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\invalid32x32.gif.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Java\jre-1.8\bin\jfxmedia.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-ppd.xrm-ms.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_Subscription-ul-oob.xrm-ms.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\es\msipc.dll.mui.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.Lightweight.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\pt-BR.pak.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jce.jar.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\thaidict.md.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\desktop.ini.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.TextWriterTraceListener.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Xaml.resources.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\DBGCORE.DLL.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN110.XML.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\TabTip.exe.mui.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\dotnet\ThirdPartyNotices.txt.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL082.XML.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-ul-oob.xrm-ms.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.hash.tmp	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.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	4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe

C:\Users\Admin\AppData\Local\Temp\4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe
"C:\Users\Admin\AppData\Local\Temp\4a96f2f35bcd8e287348310ef9c6a564bd4ea51df0b10e5188d8ec1d5a8495b2.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3532

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-1-5-21-2990742725-2267136959-192470804-1000\desktop.ini.tmp

Filesize
57KB

MD5
5247b16ba1130975abaef4b9b0d04f0c

SHA1
15723efe8ea187a3fab1287694605e5476fc68f6

SHA256
42f0363dc8563b334865cbe6f47be18d8c34aa880e52d9861ea654ca431a4b7d

SHA512
cc3457a6db8297fe3b7aa884fa8c6c48114f8db9dba0ed15e3fe0e2ecf546ec60fc1db67ce26575cb57f1796bbe42253151665a9ccf963a14540d9be998c7076

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

Filesize
155KB

MD5
98eef2dc97523f96204b278a4c75fab1

SHA1
9ae278e9b0e922ed4dc906fe1bfd561ea4cba70d

SHA256
abcaa69dab2f58f81cf30b88ee615022bdb31e2bb8ad705123c48cd7886204c0

SHA512
bb3ee8d5bdbf68e82357b1ab97138a0651d1ea9c1699251530dea1aab0c73efe2f64692a043ad7c6b98ee1df709b7d0a1f7f163a63e17ad7892bb74c4b4d8ab5

Download Submit
memory/3532-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3532-1890-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download