5abbb051419b4ab1b987b004f34b834da065267699b7b3c69c2a15c83c37023b

Analysis

max time kernel
119s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
21-07-2024 09:16

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General

Target

a191ea807515079c5aa9426c80578080N.exe
Size

22KB
MD5

a191ea807515079c5aa9426c80578080
SHA1

d9e5a5bc8334c7ee891f9c47d072d64de7dc5a98
SHA256

5abbb051419b4ab1b987b004f34b834da065267699b7b3c69c2a15c83c37023b
SHA512

b9240e239541c21a9625051292d3e2feff73550a2e04720bdbf8ba06f8621a8d821b524b7ae78e32e65a6588153c5068bd52dc68e700991f03cf35336917fa4e
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJblDZblDZaOpeOpWB3j3cbNQj3cbN3EFEA:kBT37CPKKdJJBZBZaOAOIB3jM2jMa

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (4373) 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/1980-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000233f5-2.dat	upx
behavioral2/files/0x000600000001e6e4-6.dat	upx
behavioral2/memory/1980-1038-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-file-l1-1-0.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-ul-oob.xrm-ms.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msdaremr.dll.mui.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\WindowsBase.resources.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationUI.resources.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationClient.resources.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\wsdetect.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntime2019R_PrepidBypass-ppd.xrm-ms.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-pl.xrm-ms.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.Uri.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.ZipFile.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Retail-pl.xrm-ms.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\IEAWSDC.DLL.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-002C-0409-1000-0000000FF1CE.xml.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-ppd.xrm-ms.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\ReachFramework.resources.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\cs.pak.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Google\Chrome\Application\debug.log.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_CopyDrop32x32.gif.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_KMS_Automation-ppd.xrm-ms.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Controls.Ribbon.resources.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationClient.resources.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_KMS_Client-ppd.xrm-ms.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ul-phn.xrm-ms.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Globalization.Calendars.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Input.Manipulations.resources.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\npjp2.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_KMS_Client-ppd.xrm-ms.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\7-Zip\Lang\ko.txt.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdasql.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OneNote.OneNote.x-none.msi.16.x-none.xml.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial-pl.xrm-ms.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-ppd.xrm-ms.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationProvider.resources.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jfr\profile.jfc.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsen.xml.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-convert-l1-1-0.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Java\jre-1.8\bin\JAWTAccessBridge-64.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_BypassTrial180-ppd.xrm-ms.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-pl.xrm-ms.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-ul-oob.xrm-ms.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\Content.xml.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessDemoR_BypassTrial365-ppd.xrm-ms.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\YEAR.XSL.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\WindowsBase.resources.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Java\jre-1.8\bin\w2k_lsa_auth.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-console-l1-2-0.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_ja.properties.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Common Files\System\ado\msadomd28.tlb.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\chrome_100_percent.pak.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\WindowsFormsIntegration.resources.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Retail-pl.xrm-ms.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-ul-oob.xrm-ms.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jli.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\jopt-simple.md.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_F_COL.HXK.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Formats.Tar.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Internet Explorer\de-DE\iexplore.exe.mui.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-handle-l1-1-0.dll.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerView.PowerView.x-none.msi.16.x-none.xml.tmp	a191ea807515079c5aa9426c80578080N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Trial-pl.xrm-ms.tmp	a191ea807515079c5aa9426c80578080N.exe

C:\Users\Admin\AppData\Local\Temp\a191ea807515079c5aa9426c80578080N.exe
"C:\Users\Admin\AppData\Local\Temp\a191ea807515079c5aa9426c80578080N.exe"
1⤵
- Drops file in Program Files directory
PID:1980

Network

MITRE ATT&CK Matrix

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Downloads

C:\$Recycle.Bin\S-1-5-21-464762018-485119342-1613148473-1000\desktop.ini.tmp

Filesize
22KB

MD5
fa7f4642f2c71dde683f9dba4d59e0f6

SHA1
f35430feffaf4094c1e5ef72b925f366784773f2

SHA256
b5a838ec8837c0142b690e676c471a32d38fb4da1c6a077573f3c7e2c8075693

SHA512
01d2fa4c1ad03a58ba734fe730a158fe21fd523f24e74d81c2bb4c19f6a8216c311a24955c2f2d74e36e15a3a41f927ae67ba43affc87c1d2be9bb6e25667362

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

Filesize
121KB

MD5
83ec87c3ea9596dfd7db633754d21d4e

SHA1
0eb7a968b3c9be134b1af0ba0764473c112f502b

SHA256
a7679c64397cc66555bdeb1b3f681636f6ff1a3c33bf77bbe19272a63e3bfd80

SHA512
96c1c08b1e05d262f6980935dc8e4531a653b0bf76e9ada81968bb4d376eaf2bb2abed5349fc61507f60b3da1371d74e61330151d1f31fbfa023bc04e4106b62

Download Submit
memory/1980-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1980-1038-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads