3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
25/07/2024, 20:29

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General

Target

3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
Size

27KB
MD5

5263d6abc4d8b79d078c42c86f081bc4
SHA1

d083c971ddbe6edaf47138823cbef7dedc574d63
SHA256

3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975
SHA512

8be4c7237071f32751a615050e488a6a6ab89fc3a309c6b86f31d1bbf64073829cd48030b222fdb7f2fb957ac57cc99daf8784e6196b7a20db70124f75b3c4ad
SSDEEP

768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcu90TKe+0TKeu:CTWo

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5014) 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/396-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000a000000023430-2.dat	upx
behavioral2/files/0x0014000000022905-6.dat	upx
behavioral2/memory/396-1094-0x0000000000400000-0x000000000040A000-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\pl\UIAutomationClientSideProviders.resources.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-ul-oob.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Office16\csi.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.TypeExtensions.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Threading.AccessControl.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Grace-ul-oob.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ReachFramework.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp2-ppd.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-pl.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Trial-ppd.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\STSLISTI.DLL.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\AdHocReportingExcelClient.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART8.BDR.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.NetworkInformation.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationClient.resources.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTest-ppd.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\OMICAUTINTL.DLL.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Resources.Extensions.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Grace-ul-oob.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaTypewriterRegular.ttf.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-ul.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ppd.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL106.XML.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-MX\tipresx.dll.mui.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Java\jre-1.8\bin\orbd.exe.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-ul-oob.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSIRESOURCES.DLL.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PowerPointCombinedFloatieModel.bin.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\UIAutomationTypes.resources.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationFramework.resources.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.DCF.DCF.x-none.msi.16.x-none.xml.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-ppd.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ru\msipc.dll.mui.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-utility-l1-1-0.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\msvcp140.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\PresentationCore.resources.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\basicstylish.dotx.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-stdio-l1-1-0.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\ReachFramework.resources.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Xaml.resources.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTrial-pl.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\POWERPNT_K_COL.HXK.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\WindowsBase.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.Primitives.resources.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Office16\EntityDataHandler.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Office16\NL7MODELS000A.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O17EnterpriseVL_Bypass30-ppd.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ul-phn.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mip_core.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.WindowsDesktop.App.deps.json.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-stdio-l1-1-0.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\PresentationCore.resources.dll.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\chrome.exe.sig.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\localedata.jar.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-pl.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ppd.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-ul-oob.xrm-ms.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
File created	C:\Program Files\Common Files\System\ado\msadox28.tlb.tmp	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.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	3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe

C:\Users\Admin\AppData\Local\Temp\3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe
"C:\Users\Admin\AppData\Local\Temp\3895820d3c42f8c10cddb5a4c42dd75e6143bc4f79ce1724859c41e4b9e19975.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:396

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-1-5-21-2636447293-1148739154-93880854-1000\desktop.ini.tmp

Filesize
28KB

MD5
5d08991576db980db590cb62cb42adbe

SHA1
308596fa371737678d0178a2d2826f491ffa6126

SHA256
518834be0e63c7ab61e1f4ffbed42eb733f31b70c71816d88737dfbbda1ea691

SHA512
6a5eb0119edabf052b81e7d2e3538fa976118433a4fcb44f223e61342b8314542eee512cd5472d8c87b172da26e5dff9b75dd6da1e6cfe28ca92e6c9463cc377

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

Filesize
126KB

MD5
45027e3a4de630a1a9501d932ce76ac0

SHA1
878347ef6319320049fff96ce88f3acec0cdc1ac

SHA256
d37264c388b9b308484aa187a738bab5da70e96667f0457829973809e512a08d

SHA512
81c0321c80a204bea8fa32b55a0914ca1754e5ce27b1ad7137d7bfd293f5f0c7cf9cacbf5a748a568700fb18cdc22cbd68274168e4c79dbc6b6af26b55f1a2e3

Download Submit
memory/396-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/396-1094-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download