6231663c7d2629387c6c083bc778d3d9e4eaea58b4756189460d46904d65e5af

Analysis

max time kernel
120s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-08-2024 04:11

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General

Target

9d1e1f8553781765ec5f3a317241ae50N.exe
Size

73KB
MD5

9d1e1f8553781765ec5f3a317241ae50
SHA1

eafd3e560757c3b75ab4ceae501136e1d43a0abe
SHA256

6231663c7d2629387c6c083bc778d3d9e4eaea58b4756189460d46904d65e5af
SHA512

f0c6852ed67d19ee955cb5d6e4150e0a718fdc532dd9a85869041c91ee110a05411f1f5bfa293d3a0fab61385b837c86b98715dec2be292ffeeee102971fdd8a
SSDEEP

768:a7BlpyqaFAK65eCv+cIA0fm7Nm0CAbLg++PJHJzIWD4adZdhAIuZAIuniXKqAJxU:a7ZyqaFAlsr1++PJHJXFAIuZAIuO

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4639) 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/3204-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233ea-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/3204-888-0x0000000000400000-0x000000000040B000-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-core-handle-l1-1-0.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_MAK-ul-oob.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-pl.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipRes.dll.mui.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Common Files\System\ado\msadox28.tlb.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationClientSideProviders.resources.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Windows.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_MAK-ul-oob.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-ppd.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ms\msipc.dll.mui.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Common Files\System\ado\msado21.tlb.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Claims.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationTypes.resources.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\icudtl.dat.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R64.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Java\jre-1.8\lib\plugin.jar.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-ul-oob.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTrial-ppd.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ThirdPartyNotices.txt.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.nb-no.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\meta-index.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-ppd.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Grace-ppd.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sawindbg.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.InteropServices.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Drawing.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Trial-ppd.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ul-phn.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\7-Zip\Lang\tt.txt.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\InputPersonalization.exe.mui.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ShapeCollector.exe.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.AccessControl.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Client\C2R32.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTest-ul-oob.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-white_scale-180.png.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msadcor.dll.mui.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\UIAutomationClientSideProviders.resources.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Java\jre-1.8\bin\pack200.exe.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E1-0409-1000-0000000FF1CE.xml.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_KMS_Client_AE-ul.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-pl.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationTypes.resources.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\PresentationCore.resources.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-pl.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial2-pl.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVClientIsv.man.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerView.PowerView.x-none.msi.16.x-none.xml.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-pl.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\zh-TW\msipc.dll.mui.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Numerics.Vectors.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationUI.resources.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Input.Manipulations.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-pl.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Grace-ppd.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-pl.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-ul-oob.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\linessimple.dotx.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_Subscription-pl.xrm-ms.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\7-Zip\7-zip.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\ReachFramework.resources.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\ReachFramework.resources.dll.tmp	9d1e1f8553781765ec5f3a317241ae50N.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	9d1e1f8553781765ec5f3a317241ae50N.exe

C:\Users\Admin\AppData\Local\Temp\9d1e1f8553781765ec5f3a317241ae50N.exe
"C:\Users\Admin\AppData\Local\Temp\9d1e1f8553781765ec5f3a317241ae50N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3204

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-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

Filesize
73KB

MD5
a2ef641ca9481f9ac05a9b7e6eb8920c

SHA1
530b85b307d087bfa21233091f852a1ea67700d4

SHA256
220f083ee69b9df45cdb775371a38834ee7facf7d8654867b2fc05fd5afd3fb1

SHA512
1e64ff41cfdd382c0f320cc30395780dbc0b184a799fc0f531932482f1e5acbdd1dbf83cf6160097e95f69098fcfaa6cdb92341baf77fcd0b1ca32ee4a9539fb

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

Filesize
172KB

MD5
d51854d494831b6be6ad6a08e187c733

SHA1
6961dfd306428099039020b2370c41c3c8693c13

SHA256
a160a9682b09960950417e4606522994eca83c31ca079a0e98f0209e0c669772

SHA512
2d84397b753b446cdf555ddc5ba37e348b86d2da68b483676950a3f2ecc297c0cbf6d9783b3f35c37fc4313e497424642e683f55d98bc84aae426a407ccbbe66

Download Submit
memory/3204-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3204-888-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download