beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/08/2024, 02:30

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General

Target

beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
Size

57KB
MD5

9e489e78a1f1616b6d60dfa94ff00ee8
SHA1

3966f5764b212c0f36a64a1ff95cdd324abdcda9
SHA256

beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c
SHA512

7b632a8d396dccecf442347e82a38df8360f3fe9c2c07b78f41de2144fff6cb4782ad50afdfee550818a11cddc13b5e920d37f11a200816bde8ba1b611e7a02d
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjSEXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rA:V7Zf/FAxTWtnc

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5005) 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/1160-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002343b-2.dat	upx
behavioral2/files/0x000c0000000220a6-6.dat	upx
behavioral2/memory/1160-1884-0x0000000000400000-0x000000000040B000-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\UIAutomationTypes.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_es.properties.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription2-ppd.xrm-ms.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_Grace-ppd.xrm-ms.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Buffers.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\ReachFramework.resources.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\TellMeExcel.nrr.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\7-Zip\Lang\sw.txt.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.onenotemui.msi.16.en-us.xml.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_PrepidBypass-ul-oob.xrm-ms.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp5-pl.xrm-ms.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSO.FRAMEPROTOCOLWIN32.DLL.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL102.XML.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Common Files\System\ado\msado26.tlb.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages.properties.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\cardview-addtotable.png.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jps.exe.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\WindowsBase.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\PresentationUI.resources.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-math-l1-1-0.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.excelmui.msi.16.en-us.xml.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ppd.xrm-ms.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Security.Permissions.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.Primitives.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RInt.16.msi.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymk.ttf.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-utility-l1-1-0.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\msdasqlr.dll.mui.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\ImportRepair.mpeg2.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\xalan.md.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OneNote.OneNote.x-none.msi.16.x-none.xml.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription1-ppd.xrm-ms.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ppd.xrm-ms.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONBttnWD.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationClient.resources.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Client\msvcp140.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Yellow Orange.xml.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\de.pak.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_KMS_Client-ul-oob.xrm-ms.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Json.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\WindowsBase.resources.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\WindowsBase.resources.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-ul-phn.xrm-ms.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\mshwLatin.dll.mui.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\MLASeventhEditionOfficeOnline.xsl.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Grace-ppd.xrm-ms.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ul-oob.xrm-ms.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\IFDPINTL.DLL.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_OEM_Perp-ul-phn.xrm-ms.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp4-ppd.xrm-ms.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART3.BDR.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Data.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\coreclr.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\joni.md.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Java\jre-1.8\bin\awt.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Grace-ul-oob.xrm-ms.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_KMS_Client-ul.xrm-ms.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\PRIVATE_ODBC32.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\7-Zip\Lang\mr.txt.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscorlib.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Forms.Design.resources.dll.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\af.pak.tmp	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.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	beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe

C:\Users\Admin\AppData\Local\Temp\beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
"C:\Users\Admin\AppData\Local\Temp\beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1160

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-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp

Filesize
58KB

MD5
e211c9a39b36e748df8803c3a05359d4

SHA1
08b18525894068a8c64c00d7e59ef13b3b059651

SHA256
2bc6e9343befdad4951719eae52ca01a41852c0c40379636c0a71b9f228877fa

SHA512
19c65edbc865f249d1c6f46f041d12d07c723c7e9d19adf794fe7ff5ab9e449a8f72932e4eebe8130062f0f31e94d5248a587548214e16e97d778ee0534690cb

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

Filesize
156KB

MD5
8b7616e10ed9866b7382e7b8d148e280

SHA1
a50ac683958dfee78e03f42557592ba3f3f4d438

SHA256
41943096475ba738921d23aeb3ee1279506a9328b1752525a02ef7da6dac6568

SHA512
bfe7ed24bb7361e8257b7f6b087cbd60dada23d6460033f0fdeb54c273a82edd9614263032cf45f50bd879218116dc9bcf3bc372e1fe9905e565791f3556d51d

Download Submit
memory/1160-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1160-1884-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download