8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686

Analysis

max time kernel
149s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 03:25

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General

Target

8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
Size

73KB
MD5

0af77bffb3b857e45f169d6ad8eb9b72
SHA1

4c361bce0d06d9630b1c48c6f47cea75105dd549
SHA256

8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686
SHA512

299b9befb1b95474807e89d1a8db15066625c7652fe02bb60313706132acf2219d91a5cd82f7d3663e1048bef8384102a5bfb83867000d30f22f31e4a43fa46a
SSDEEP

1536:CTWn1++PJHJXA/OsIZfzc3/Q8IZxJfes9r9E:KQSo7ZxJdZE

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5027) 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/1748-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000234c9-2.dat	upx
behavioral2/files/0x0004000000022933-6.dat	upx
behavioral2/memory/1748-869-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp4-ul-oob.xrm-ms.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Forms.resources.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PenImc_cor3.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationTypes.resources.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jps.exe.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-errorhandling-l1-1-0.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Java\jre-1.8\lib\tzmappings.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Grace-ppd.xrm-ms.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-localization-l1-2-0.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC32.DLL.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-ul-phn.xrm-ms.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\7-Zip\Lang\id.txt.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msadcer.dll.mui.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Expressions.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.ThreadPool.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\WindowsBase.resources.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Input.Manipulations.resources.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\amd64\jvm.cfg.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-black_scale-100.png.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationClient.resources.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_zh_HK.properties.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_KMS_Client_AE-ul.xrm-ms.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Graph.exe.manifest.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\CASHREG.WAV.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msdaprsr.dll.mui.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\PresentationCore.resources.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\ReachFramework.resources.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSO.ACL.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Office16\STSLIST.DLL.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\psfont.properties.ja.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-pl.xrm-ms.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-ul-phn.xrm-ms.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-80.png.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationUI.resources.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\zh-CN.pak.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPoint.PowerPoint.x-none.msi.16.x-none.xml.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msotdaddin.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\InkObj.dll.mui.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_MoveNoDrop32x32.gif.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymk.ttf.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\oledb32r.dll.mui.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jpeg.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FilterModule.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordaccore_amd64_amd64_7.0.1624.6629.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PenImc_cor3.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\libxml2.md.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL054.XML.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN081.XML.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.HttpUtility.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Forms.Primitives.resources.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\freebxml.md.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Tw Cen MT-Rockwell.xml.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-ppd.xrm-ms.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Trial-ppd.xrm-ms.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\DataStreamerLibrary.dll.config.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\MSSP7FR.LEX.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msaddsr.dll.mui.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.CoreLib.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-processthreads-l1-1-0.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Java\jre-1.8\bin\sunec.dll.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp4-ul-oob.xrm-ms.tmp	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.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	8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe

C:\Users\Admin\AppData\Local\Temp\8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe
"C:\Users\Admin\AppData\Local\Temp\8aa24a050f55390fe5f318e395dd6d01098f36467c81a8b23a4e0c05878d1686.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1748

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-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.tmp

Filesize
73KB

MD5
17b923424d9d672aae24bfe5c95ac7e9

SHA1
8afec3f122b674f0b454a8381d90a40de1bd24a5

SHA256
cca9a8da7aa5b29a5dbc065920c64d498175507287b75f9081ae40ad68b80a25

SHA512
8639aae97e8b0eabeaac7088dee66cf92b901de4a481beaa08a4e4e83be7e4ed88a4167c73050b9815397ef340e3b3d0ce7e7db5d73a2f89280d01eee61db373

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

Filesize
172KB

MD5
1b82ac611916bbf512a15c852f05063e

SHA1
d71f1f450587404755d5bdf48760e1d78bb9db6d

SHA256
cd1f3c476173e33839ed8a4d432e00df4051f0f1af38b5f794ddbd35275e9f03

SHA512
19cb0e11ec997551e6ba47382dc4e2f335c6c3a068960f0e004a67d96884ad310fcf20b7d8a58bff5829e1bb56cfc9e717bce6d5572d8cb4a000a8d57fce3701

Download Submit
memory/1748-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1748-869-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download