57a8a5c54c5ca854237b2813057bb7283d984f6ca4508d87ed0a8c7ae90eec2c

Analysis

max time kernel
120s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
24/07/2024, 05:38

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General

Target

52f6944210318731aad3a61b869e24b0N.exe
Size

68KB
MD5

52f6944210318731aad3a61b869e24b0
SHA1

e338d04ba47aca49922efd99921e7d0a0a88fadf
SHA256

57a8a5c54c5ca854237b2813057bb7283d984f6ca4508d87ed0a8c7ae90eec2c
SHA512

567dfdbe7355d632f32567759711b80d9bb9053a466b80f3f97a6885d6fce5acf292c7186e38e3447adae6bb5ae8ca3ab5c2aa9cd7e329e4a1926febe669f82a
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8+wu:fnyiQSo9

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4152) 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/2108-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023493-2.dat	upx
behavioral2/files/0x0014000000022923-6.dat	upx
behavioral2/memory/2108-1702-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XPath.XDocument.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\cs.pak.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-process-l1-1-0.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymb.ttf.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\clrjit.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jfxmedia.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_LinkNoDrop32x32.gif.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-pl.xrm-ms.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jsound.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest1-pl.xrm-ms.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.DiagnosticSource.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationProvider.resources.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OSM.OSM.x-none.msi.16.x-none.xml.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\nb-NO\tipresx.dll.mui.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\it-IT\msinfo32.exe.mui.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Primitives.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_CopyNoDrop32x32.gif.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-math-l1-1-0.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-string-l1-1-0.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.Pkcs.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-console-l1-1-0.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\prism_d3d.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Frosted Glass.eftx.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTrial-pl.xrm-ms.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-ppd.xrm-ms.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\jawt.lib.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-process-l1-1-0.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\javafx.properties.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-pl.xrm-ms.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.Design.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Forms.resources.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Grace-ul-oob.xrm-ms.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ppd.xrm-ms.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Contracts.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-ppd.xrm-ms.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_MAK-ul-oob.xrm-ms.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\directshow.md.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\lcms.md.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\el-GR\tipresx.dll.mui.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\PresentationFramework.resources.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Forms.resources.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\WindowsBase.resources.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.DriveInfo.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-ppd.xrm-ms.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientLangPack2019_eula.txt.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\sqlxmlx.rll.mui.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Process.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Controls.Ribbon.resources.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PenImc_cor3.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Common Files\System\msadc\msadce.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\clretwrc.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\ms.pak.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Trial-ppd.xrm-ms.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-pl.xrm-ms.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRINTL32.DLL.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\vcruntime140.dll.tmp	52f6944210318731aad3a61b869e24b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Drawing.dll.tmp	52f6944210318731aad3a61b869e24b0N.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	52f6944210318731aad3a61b869e24b0N.exe

C:\Users\Admin\AppData\Local\Temp\52f6944210318731aad3a61b869e24b0N.exe
"C:\Users\Admin\AppData\Local\Temp\52f6944210318731aad3a61b869e24b0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2108

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-1-5-21-701583114-2636601053-947405450-1000\desktop.ini.tmp

Filesize
68KB

MD5
6cbfd6a89c2314bf862b07de88598372

SHA1
d7c4bd13fc8f6f77d69554791a4192ddeb8c2fdd

SHA256
7d8187dcfd123497a753f59fe80124306846a9bb4ca9162de2554d6a18bc68d5

SHA512
3806f4411a0ba5e69a25abd846f015803e83b3da5dd05b2298bd7a3fabd0e115e08b447a3fbd154a3f06a6bc47c26b6bb0b0d16e1a4d1eaef3d274858a27b2ec

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

Filesize
167KB

MD5
55945958b9e672ca6dca2d3cc1179d6b

SHA1
242118809527b90f26504a1e647bc33036ff5085

SHA256
d44c119a2754fd0c0588caa1ddc49a3bb692b4356dce96e80e8e5c21613ecce9

SHA512
dd3dadaa844840a6cb2cb97e7a92ae4ce8529cd514729520f3cdba1a2b5a050b9240cf7b4b9e1e896c9824b713e52436f4c33e90307e879e3b88c400c19ca7f3

Download Submit
memory/2108-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2108-1702-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download