4332a021f85c75fa8df6f0eff024e0a500278abf98744b7b4dc4dc9c45222dcf

Analysis

max time kernel
120s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-09-2024 05:19

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General

Target

dc1d08c4054b3d04fb83f765524d2190N.exe
Size

25KB
MD5

dc1d08c4054b3d04fb83f765524d2190
SHA1

ef2de2d64f81f1f4a7251bf9bfc0b2a541012ddd
SHA256

4332a021f85c75fa8df6f0eff024e0a500278abf98744b7b4dc4dc9c45222dcf
SHA512

68d5d42256ffffa70f9a940842e9901cb1fd3f033d00a9496cf5aa81f8e5f194f25df7df412650897b2ade9669e90dc8574f41439f5eda76aefad8fbc3bb36c6
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJ1Evd5BvhzaM9mSIEvd5BvhzaM9mSsxmMxm9+96H:kBT37CPKKdJJ1EXBwzEXBwdcMcI96H

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4693) 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/2908-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0009000000023419-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/2908-1020-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Diagnostics.EventLog.Messages.dll.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Client\C2R64.dll.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Grace-ppd.xrm-ms.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Trial-ppd.xrm-ms.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\7-Zip\Lang\kk.txt.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Xaml.resources.dll.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Extensions.dll.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\es.pak.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-xstate-l2-1-0.dll.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.hash.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Forms.resources.dll.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-ppd.xrm-ms.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\CAMERA.WAV.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\colorimaging.md.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Grace-ppd.xrm-ms.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ul-phn.xrm-ms.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\+Connect to New Data Source.odc.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\PROCDB.XLAM.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\7-Zip\Lang\lt.txt.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-pl.xrm-ms.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\fi\msipc.dll.mui.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-pl.xrm-ms.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\OFFICE.DLL.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-white_scale-100.png.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledbvbs.inc.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.AppContext.dll.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Forms.Primitives.resources.dll.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Tw Cen MT-Rockwell.xml.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-ul-phn.xrm-ms.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\officestoragehost.dll.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskpred\oskpredbase.xml.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.resources.dll.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial5-ppd.xrm-ms.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_MAK_AE-ppd.xrm-ms.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-180.png.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Forms.resources.dll.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-pl.xrm-ms.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ppd.xrm-ms.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHKEY.DAT.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jvmti.h.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\POWERPNT_F_COL.HXK.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ExcelNaiveBayesCommandRanker.txt.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.scale-80.png.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Common Files\System\ado\msado21.tlb.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\UIAutomationProvider.resources.dll.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-ppd.xrm-ms.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-ppd.xrm-ms.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-ppd.xrm-ms.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sv-SE\tipresx.dll.mui.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-string-l1-1-0.dll.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\PresentationFramework.resources.dll.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AppvIsvSubsystems64.dll.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Configuration\config.xml.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Immutable.dll.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Input.Manipulations.resources.dll.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_CopyDrop32x32.gif.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Custom.propdesc.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\EntityPicker.dll.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-root.xrm-ms.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-pl.xrm-ms.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.XLS.tmp	dc1d08c4054b3d04fb83f765524d2190N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipRes.dll.mui.tmp	dc1d08c4054b3d04fb83f765524d2190N.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	dc1d08c4054b3d04fb83f765524d2190N.exe

C:\Users\Admin\AppData\Local\Temp\dc1d08c4054b3d04fb83f765524d2190N.exe
"C:\Users\Admin\AppData\Local\Temp\dc1d08c4054b3d04fb83f765524d2190N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2908

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-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp

Filesize
25KB

MD5
6449a6ef169d1e1881fac82426d75ee8

SHA1
c538c064216b07fc6de2da8b1b4245bed0a41a0d

SHA256
da35f4fe28592ae4f9efe2cb95916a14bf1266ed14e24fe5afe24147b8777688

SHA512
a3bab2a7480411dd3b8d9868ed3f927c284d35e44419a26a79f8a24d94069bb0dbc64f5c30fce95b8ecbc0f3ba99643889240359704ead4b4bef99d9ff335ce8

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

Filesize
124KB

MD5
8152b96b23e3cc10f556a88d129a39c4

SHA1
b501726fce5a24c3945e14ea1591d56196adcad0

SHA256
1b04a121b5e2fd684aaf655aa3ffa7f972ee58767d0560d4d76dbdc034a3ce9b

SHA512
76e527c489b9bb7743d4bf438899d5514eb42edd62122797fe840e98674b1452123a832e29877b0a2bed6129cbc8037f4ab22f57e50a2a9d188929e787533ec4

Download Submit
memory/2908-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2908-1020-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download