c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829

Analysis

max time kernel
120s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 09:10

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General

Target

c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
Size

31KB
MD5

cc8c2611c4a3e2b5fe1095fddfe9d210
SHA1

aa8d852dc1d21afe352061658be483063ca0663f
SHA256

c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829
SHA512

0df5303756034ef6cc119aa501062317ebb609424bdb8317d90c6e5bf2bc695334dae3125b611244c11c379401173ec3de8b68e37c13b86f99fe21bd8c5195f3
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI982AZJE2AZJ/m6lj3Ai1xQ6lj3Ai1xT:CTW7JJ7Te6lbE6lbP

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4676) 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/916-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000a0000000234a7-2.dat	upx
behavioral2/files/0x0014000000022913-6.dat	upx
behavioral2/memory/916-1015-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Emit.Lightweight.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-time-l1-1-0.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\tr\msipc.dll.mui.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_KMS_Client-ul-oob.xrm-ms.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Timer.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\WindowsBase.resources.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationCore.resources.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-pl.xrm-ms.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_OEM_Perp-pl.xrm-ms.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-ul-phn.xrm-ms.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-timezone-l1-1-0.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\cldr.md.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.VisualStudio.Tools.Applications.Runtime.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\tracedefinition130.xml.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_ghost_school.png.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.tr-tr.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationCore.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jps.exe.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\mesa3d.md.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-black_scale-180.png.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationTypes.resources.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\PresentationCore.resources.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-ppd.xrm-ms.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sw.pak.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Grace-ul-oob.xrm-ms.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\WindowsBase.resources.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Controls.Ribbon.resources.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Forms.Primitives.resources.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTrial-ul-oob.xrm-ms.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Extensions.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Permissions.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\WindowsBase.resources.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_200_percent.pak.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jfr.jar.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Java\jre-1.8\bin\t2k.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.reportviewer.common.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Process.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XPath.XDocument.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationClient.resources.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationTypes.resources.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Grace-ppd.xrm-ms.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp4-pl.xrm-ms.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-ul-oob.xrm-ms.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.scale-100.png.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.vi-vn.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Principal.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\coreclr.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\jpeg.md.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\v8_context_snapshot.bin.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RIntLoc.en-us.16.msi.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Packaging.dll.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\misc.exe.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\7-Zip\Lang\bn.txt.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\7-Zip\Lang\mng2.txt.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\7-Zip\Lang\fr.txt.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\it.pak.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-ppd.xrm-ms.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\pt-PT\tipresx.dll.mui.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-ul-phn.xrm-ms.tmp	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.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	c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe

C:\Users\Admin\AppData\Local\Temp\c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe
"C:\Users\Admin\AppData\Local\Temp\c5862f4ffcc040eefbdabf853c69d1d69194b0743b2bc8c67c2989aaf484e829N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:916

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-1-5-21-656926755-4116854191-210765258-1000\desktop.ini.tmp

Filesize
32KB

MD5
3158a686e3d8ee7a2e3520305ae71376

SHA1
bc12c7744cbedc6931891e412e75f8df7fb0c69c

SHA256
613ebbeee0e41d7e3a63ca87c0c1856f5291ea4390f425e99913cd6daab7d515

SHA512
9de85f14c11307c66ca4c537c9f579c2dfe290f1fe24ac12564e88ec8d4ffeb94f05468527bf4a3c17ed11c64b8be1bb5ebe10c9dbc384df80317704e223cac4

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

Filesize
130KB

MD5
dd6c0254b37316159261563960623597

SHA1
552b6db363e144d7b7b565bf08dd0afc79397845

SHA256
5bb8ca88f7f3206e985210a64a6477d4d38b81f818d06067cd8a6ae625ad60d7

SHA512
32a845b9c05bb6e1ca774499dc31c9d8da1068ecd16cb2cb7e2c54be1f0478525a0d8ad87bb69b58bfdc2ce62fe5c2a6da7b10ea7fb0c79606018ceb536f1eec

Download Submit
memory/916-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/916-1015-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download