1c2e646dd32f8c5626b0d20dfaaf164f46b168e370e632f378d2066fc96d93a8

Analysis

max time kernel
120s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/08/2024, 06:12

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General

Target

8511730f3cab65351b0608423fc13180N.exe
Size

24KB
MD5

8511730f3cab65351b0608423fc13180
SHA1

706179dc414994ed0762c15b44e0e6cd5a9daf8e
SHA256

1c2e646dd32f8c5626b0d20dfaaf164f46b168e370e632f378d2066fc96d93a8
SHA512

77631011ac219f16df799d8c2bf602850519ae9fcf8257027ca7da2360757fee5318c7f535826b6adf84a4597d230fb417160f698fba50ef050cf49d408aeb04
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJ1Evd5BvhzaM9mSIEvd5BvhzaM9mSsxmMxm9+90:kBT37CPKKdJJ1EXBwzEXBwdcMcI90

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4701) 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/3276-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0009000000023462-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/3276-1017-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\jopt-simple.md.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ul-phn.xrm-ms.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-GB\tipresx.dll.mui.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\ShapeCollector.exe.mui.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\msdasqlr.dll.mui.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\ConvertToTrace.AAC.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\Microsoft.VisualBasic.Forms.resources.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jdb.exe.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_OEM_Perp-ul-oob.xrm-ms.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\WindowsBase.resources.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\wpfgfx_cor3.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-pl.xrm-ms.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-ppd.xrm-ms.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledbjvs.inc.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\PresentationFramework.resources.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\bci.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_LinkDrop32x32.gif.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ca\msipc.dll.mui.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\msdasqlr.dll.mui.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Input.Manipulations.resources.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Java\jre-1.8\bin\dt_shmem.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-pl.xrm-ms.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_COL.HXC.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.PPT.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVClientIsv.man.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.TypeExtensions.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.resources.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ppd.xrm-ms.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ThirdPartyNotices.txt.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Common Files\System\ado\fr-FR\msader15.dll.mui.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.SecureString.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XDocument.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Forms.Primitives.resources.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-pl.xrm-ms.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscorrc.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\cldr.md.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\ant-javafx.jar.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0090-0000-1000-0000000FF1CE.xml.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ul-phn.xrm-ms.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial3-ppd.xrm-ms.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Xaml.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-console-l1-2-0.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipskor.xml.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledb32r.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationClientSideProviders.resources.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_sv.properties.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-ul-phn.xrm-ms.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebHeaderCollection.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ul-oob.xrm-ms.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ul-phn.xrm-ms.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.Primitives.resources.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\UIAutomationProvider.resources.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\WindowsBase.resources.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\7-Zip\Lang\sk.txt.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationUI.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Garamond-TrebuchetMs.xml.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-pl.xrm-ms.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe.manifest.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Drawing.dll.tmp	8511730f3cab65351b0608423fc13180N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\default_apps\external_extensions.json.tmp	8511730f3cab65351b0608423fc13180N.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	8511730f3cab65351b0608423fc13180N.exe

C:\Users\Admin\AppData\Local\Temp\8511730f3cab65351b0608423fc13180N.exe
"C:\Users\Admin\AppData\Local\Temp\8511730f3cab65351b0608423fc13180N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3276

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
24KB

MD5
ca66249921209ac2524219fcbf6b3a4b

SHA1
2155e6a14b8810576f2df8a85a14142a05e7d2d4

SHA256
60c127212d68b9b3807139a1d7f5c6b517f80639c3c546ba4d2a529ffd9ddad5

SHA512
f24d1361b033931a912d884b92d14b1cf117e00135b5fde0cecb0c90d638383cb8163a8b378c6bb96d01a69d22ebb1964dff0d2c6b9a4c8d867f80d5c21978a6

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

Filesize
123KB

MD5
7b0b1cf3c7500702da6eebd3e3acde3a

SHA1
20e1316dbcda92d84aee50c66980ae3083736612

SHA256
4fc4bc9c2b1cc552c2eef527668c278c1ad5129a700b56174d695fb298b5b101

SHA512
7bbfbbf3401476f0be6415bd7f008d9e62abd7974a3cf6089ef1753937911c7d15ce8b49ea4990209f286dc330ba0766bbd775a1762a0ca998bd04ebc13af464

Download Submit
memory/3276-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3276-1017-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download