47ec8956cf9a6c075595bbc39d2d4304c0f219377f20bd993202931cf53d48bc

Analysis

max time kernel
120s
max time network
94s
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, 13:28

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General

Target

1bbf0ad57cef23325ce8a4e96be34070N.exe
Size

55KB
MD5

1bbf0ad57cef23325ce8a4e96be34070
SHA1

ddcef2c7331424c690bdc889f5036273706c8b95
SHA256

47ec8956cf9a6c075595bbc39d2d4304c0f219377f20bd993202931cf53d48bc
SHA512

2478ce2da34b62536d2d7fe7d8ca8afa7d0705a674dc8983d34e2f4bd5402cc257f3c7ae88f2c8f137ae3faf32c279efc438681918ee61c8f8ac9e2ed06ac572
SSDEEP

768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2p:CTWn1++PJHJXA/OsIZfzc3/Qp

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4611) 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/2012-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000e0000000233fa-2.dat	upx
behavioral2/files/0x000400000002291b-6.dat	upx
behavioral2/memory/2012-900-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre-1.8\bin\decora_sse.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Reflection.eftx.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLSLICER.DLL.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Excel.EditorRibbon.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Forms.Primitives.resources.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\nb.pak.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OSM.OSM.x-none.msi.16.x-none.xml.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\PresentationUI.resources.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\tabskb.dll.mui.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Common Files\System\ado\msadox28.tlb.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscordbi.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\7-Zip\7z.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Royale.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\xmlresolver.md.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Frosted Glass.eftx.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-pl.xrm-ms.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-ul-oob.xrm-ms.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Xml.Linq.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-file-l1-2-0.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\jawt_md.h.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-pl.xrm-ms.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-pl.xrm-ms.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeServiceBypassR_PrepidBypass-ppd.xrm-ms.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\7-Zip\Lang\ms.txt.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\dom.md.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Top Shadow.eftx.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.dcfmui.msi.16.en-us.xml.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial-ul-oob.xrm-ms.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Grace-ul-oob.xrm-ms.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_MAK-ppd.xrm-ms.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\WindowsAccessBridge-64.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\PresentationCore.resources.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Aero.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-ul-phn.xrm-ms.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000011\FA000000011.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\LogoCanary.png.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Blue II.xml.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial4-ppd.xrm-ms.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ru\msipc.dll.mui.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Xaml.resources.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Formats.Asn1.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\LINEAR_RGB.pf.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-private-l1-1-0.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_OEM_Perp-ppd.xrm-ms.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\sqlxmlx.rll.mui.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\ReachFramework.resources.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.AeroLite.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Forms.Design.resources.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_wer.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.CSharp.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\SOLVER\SOLVER32.DLL.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\gstreamer.md.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Forms.Design.resources.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Grace-ul-oob.xrm-ms.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-pl.xrm-ms.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTrial-ul-oob.xrm-ms.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\PROCDB.XLAM.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVPolicy.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationTypes.resources.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationProvider.resources.dll.tmp	1bbf0ad57cef23325ce8a4e96be34070N.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	1bbf0ad57cef23325ce8a4e96be34070N.exe

C:\Users\Admin\AppData\Local\Temp\1bbf0ad57cef23325ce8a4e96be34070N.exe
"C:\Users\Admin\AppData\Local\Temp\1bbf0ad57cef23325ce8a4e96be34070N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2012

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-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp

Filesize
55KB

MD5
d6baf634e4700df7a40ee2e1e5ea5f3b

SHA1
7c3804412d57f7e415209e7821d0d3dc8887e8d8

SHA256
2e06b5dbb03d97ab1e1e950a9eb3dc09def1f1098812ba252373eb5174c7ff1c

SHA512
491ae6388426898afbe37f2bb05f3e90704b2ff10c9b6a81aed827c78f9e3ba708cc298f194fb0d3a3dd9b20c7cccc675843ee1c2ff4b11e8659b0f19c9eddbb

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

Filesize
154KB

MD5
c993b09ee073e87406e0868bfbeb2d54

SHA1
22ea001c314d72472d33cbbef31b5e46d6ed7eeb

SHA256
b4ddce4bbf99fb5b8732fefcfd7f6d0392d38eb180bd8f67f1cbe009e4ce30e6

SHA512
60606234af8dfb33db1314a8f7a907dbed6dcb045e4c118e19299f03551eb680474c8146c92fd718d7ca12c9d9a1182f29746a4ae37e4df7bcad8080e50cef2c

Download Submit
memory/2012-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2012-900-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download