71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d

Analysis

max time kernel
150s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11-08-2024 22:27

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Report Analysis Logs

General

Target

71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
Size

30KB
MD5

bb5d78991c725e97516f436aec9b4b10
SHA1

dd1f092db587e6e504a7e6e56691e500e23f4dff
SHA256

71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d
SHA512

39e14715c7a33fd6dcd34b33e7a4227604b29a2c4bafb8d4ab8630689963ae94fecd17cb81513fc84787f864d086e2f0bf111dbb68687e58b8da504aaedf3cb5
SSDEEP

768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcu90TKe+0TKej:CTWx

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5284) 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/3856-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000c00000002347e-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/3856-1228-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.OAuth.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\rsod\proof.en-us.msi.16.en-us.tree.dat.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\vi.pak.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Blue II.xml.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-console-l1-2-0.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fa.pak.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\ONENOTE\16\Stationery\BUSINESS.ONE.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationTypes.resources.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-pl.xrm-ms.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\Send2.16.GrayF.png.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Royale.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationTypes.resources.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.scale-80.png.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOARIACAPI.DLL.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Common Files\System\msadc\msadce.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqloledb.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\WINGDNG3.TTF.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.DispatchProxy.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ms.pak.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\zlibwapi.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\WindowsBase.resources.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_SubTest-ul-oob.xrm-ms.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AUDIOSEARCHLTS.DLL.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationCore.resources.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationTypes.resources.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationClient.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Input.Manipulations.resources.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\pkcs11wrapper.md.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.onenotemui.msi.16.en-us.xml.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-bridge-office.xrm-ms.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Grace-ppd.xrm-ms.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvApi.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Forms.Primitives.resources.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Threading.AccessControl.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\cardview-addtotable.png.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\AdjacencyResume.dotx.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\7-Zip\Lang\hi.txt.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\7-Zip\Lang\sa.txt.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ul-phn.xrm-ms.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_MAK-ul-oob.xrm-ms.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\react-native-win32.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\7-Zip\Lang\fy.txt.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Forms.resources.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\glib-lite.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\libffi.md.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.scale-140.png.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSVCP140_APP.DLL.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R64.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msadcor.dll.mui.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\UIAutomationTypes.resources.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-ppd.xrm-ms.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationClient.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\libxml2.md.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msotelemetry.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\sqlxmlx.rll.mui.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Java\jre-1.8\bin\t2k.dll.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\hive.xsl.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\APPLAUSE.WAV.tmp	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.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	71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe

C:\Users\Admin\AppData\Local\Temp\71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe
"C:\Users\Admin\AppData\Local\Temp\71e1b02b9dc0583aa86402c8fda2279a8ce83507804f88023358308ae616960d.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3856

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-1-5-21-786284298-625481688-3210388970-1000\desktop.ini.tmp

Filesize
30KB

MD5
c55e1a50e4ab7d22d08d984e583cb207

SHA1
a5a1698555e1c4fc012c26984a62cf50185e4da7

SHA256
fc5c42e97d002a676bf50aceb3fd278ce3e0cc580eaf71d808c0ef6dff186a18

SHA512
70f10886635bfc92be9b28d0958390934cbee777ea93743908b65685a702833e814d67cde3c2058f4755b437eba84db46f5a247f724d5865ae3eba35ec41445f

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

Filesize
129KB

MD5
45f7c05f3f415c1fa597b8d632f2a863

SHA1
9b3745b6487138f32c3062702a60e2e65b270bfd

SHA256
04f3b07e2efa9b8881337b7dc773ba167eebc7f6fb73662405a7c5293779d67e

SHA512
9b0f2bb78469335e8d07d19f8ad8b6ca680326e33015745843846e682d81f95b1ca3901219a3bc562883c3ce87b5b54d8da528157cc7251a4d15daccd30693b0

Download Submit
memory/3856-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3856-1228-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download