d881aeb137bc4a5e9afc87a34cbc2bae9d40869e914cf3babca1258625018050

Analysis

max time kernel
120s
max time network
103s
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, 20:31

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General

Target

059738ad0571ce207410669ee38ec200N.exe
Size

54KB
MD5

059738ad0571ce207410669ee38ec200
SHA1

7d0a59ec089839d63d348be36df62a855ef39eb0
SHA256

d881aeb137bc4a5e9afc87a34cbc2bae9d40869e914cf3babca1258625018050
SHA512

b2f3c639577f5be9e6880509590a45dd8a1d9ce92ac895dc5de40b90f8e06c13f44c44fe88eb1c4d2885ce14c486767080e25fcf2a0c1f66911cce9363649900
SSDEEP

1536:V7Zf/FAxTWoJJ7TTKP2awclvmxaKP2awclvmx+:fny1aP2awclvmxrP2awclvmx+

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4647) 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/3344-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023451-2.dat	upx
behavioral2/files/0x00080000000234b4-6.dat	upx
behavioral2/memory/3344-1940-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-stdio-l1-1-0.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial5-ppd.xrm-ms.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipssve.xml.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Resources.Extensions.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\vcruntime140.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.IsolatedStorage.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\WindowsFormsIntegration.resources.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-pl.xrm-ms.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-black_scale-80.png.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\TipTsf.dll.mui.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Green Yellow.xml.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymt.ttf.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.Edm.NetFX35.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.DataWarehouse.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelCtxUIFormulaBarModel.bin.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.scale-140.png.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVClient.man.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-libraryloader-l1-1-0.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Office15\pkeyconfig-office.xrm-ms.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-ppd.xrm-ms.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jsdt.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription3-pl.xrm-ms.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encodings.Web.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ul-phn.xrm-ms.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\ISO690Nmerical.XSL.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-runtime-l1-1-0.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win10.mp4.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-ppd.xrm-ms.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe.manifest.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\7-Zip\Lang\pt-br.txt.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-heap-l1-1-0.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\[email protected]	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ru-ru.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe.config.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.ReportingServices.AdHoc.Excel.Client.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Document.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-fibers-l1-1-0.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.DataContractSerialization.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationClientSideProviders.resources.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ul.xrm-ms.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-namedpipe-l1-1-0.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\xalan.md.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Median.xml.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libxml2.md.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Configuration\card_terms_dict.txt.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-localization-l1-2-0.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-memory-l1-1-0.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.NETCore.App.runtimeconfig.json.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\ReachFramework.resources.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_Subscription-pl.xrm-ms.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_KMS_Client-ul.xrm-ms.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusDemoR_BypassTrial180-ppd.xrm-ms.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\orcl7.xsl.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Resources.ResourceManager.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\WindowsBase.resources.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationFramework.resources.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.MDXQueryGenerator.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msoetwres.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ThirdPartyNotices.MSHWLatin.txt.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Grace-ppd.xrm-ms.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Java\jre-1.8\lib\tzmappings.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\EntityDataHandler.dll.tmp	059738ad0571ce207410669ee38ec200N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fi-fi.dll.tmp	059738ad0571ce207410669ee38ec200N.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	059738ad0571ce207410669ee38ec200N.exe

C:\Users\Admin\AppData\Local\Temp\059738ad0571ce207410669ee38ec200N.exe
"C:\Users\Admin\AppData\Local\Temp\059738ad0571ce207410669ee38ec200N.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

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Downloads

C:\$Recycle.Bin\S-1-5-21-1705699165-553239100-4129523827-1000\desktop.ini.tmp

Filesize
54KB

MD5
d4a4a962495860f8e5e7a331407f2b85

SHA1
aca5d915dac96bf5b9386a0f01b7cd804698f9e9

SHA256
79691143fb3d3e85164d758428dc4edf8597f1613bf7fb54295de975bdd1d06a

SHA512
18642739f3ce3002fd8ef74938ec3d0a52222af3dea9489c54bbbf916373dec8f8d5821a53eef1584905abdd617f4b2e9844546dc76dd9e715e9ef622f1a1bed

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

Filesize
153KB

MD5
a6b92a5377b7563e4c5ebc97b0ed2bd5

SHA1
7be4b4ac697f577848405a4c190099af24792b09

SHA256
ce31fe3840ccd641d44980f8a0de40a30451a82524e7d62cd9287ae97ad8ac75

SHA512
228e8c8180c80684b985ce1a22a27ee7449e7864d16c0244ed96c76c954f6ad9ed8c83bac9e4f906128e7bfa52096cb196b3db3be4e25ee617e411b4d52e3b19

Download Submit
memory/3344-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3344-1940-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download