a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a

Analysis

max time kernel
150s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2024, 01:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
Size

90KB
MD5

6915305837661948cb0d3e2ea37300ca
SHA1

1faf736caee78adca75f5201910ca606523e64e3
SHA256

a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a
SHA512

d2060df2c0c3a7d6779e0d4acbc1f1074bacad46132afa43a31c51c9215b2dfdbac58a487c81f8776cc7c4388dbd22cc94020d9346bae2ce857d22247c9e0580
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY5TUhU3:fnyiQSox5Au3

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4849) 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/3944-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023462-2.dat	upx
behavioral2/files/0x00090000000234ae-6.dat	upx
behavioral2/memory/3944-798-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-utility-l1-1-0.dll.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msdaremr.dll.mui.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.dll.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.Primitives.dll.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Luna.dll.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Classic.dll.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\giflib.md.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Grace-ul-oob.xrm-ms.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-180.png.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\LibCurl64.DllA\OpenSSL64.DllA\openssl64.dlla.manifest.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\micaut.dll.mui.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.StackTrace.dll.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-heap-l1-1-0.dll.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Trial-ul-oob.xrm-ms.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial-pl.xrm-ms.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16EnterpriseVL_Bypass30-ppd.xrm-ms.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTest-ppd.xrm-ms.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.cs-cz.dll.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\Microsoft.VisualBasic.Forms.resources.dll.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\jcup.md.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Grace-ul-oob.xrm-ms.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.scale-180.png.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\1033\DSMESSAGES.XML.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL121.XML.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Xaml.resources.dll.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\cldr.md.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-pl.xrm-ms.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.vsto.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART9.BDR.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-file-l2-1-0.dll.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.dll.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\libEGL.dll.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Java\jdk-1.8\jre\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-ul-oob.xrm-ms.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-pl.xrm-ms.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000009\FA000000009.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL087.XML.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Parallel.dll.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Grace-ppd.xrm-ms.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSS7DATA0009.DLL.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrenclm.dat.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Grace-ul-oob.xrm-ms.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WacLangPackEula.txt.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD.HXS.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msotd.exe.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL016.XML.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\msvcp140.dll.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RIntLoc.en-us.16.msi.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest1-ppd.xrm-ms.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-ul-phn.xrm-ms.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-ppd.xrm-ms.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_WHATSNEW.XML.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONENOTEIMP.DLL.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TabTip.exe.mui.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-phn.xrm-ms.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.NETCore.App.runtimeconfig.json.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemXmlLinq.dll.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Java\jre-1.8\bin\bci.dll.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-ul-oob.xrm-ms.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-180.png.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN095.XML.tmp	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.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	a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe

C:\Users\Admin\AppData\Local\Temp\a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe
"C:\Users\Admin\AppData\Local\Temp\a120f50a37ac458e8724be1e696bcd169e0453eb794db84d913ec5409881406a.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3944

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

Filesize
90KB

MD5
a4989d3cb3026543f0cdaa1faa85e48f

SHA1
8cdd4fd6e70080f3867a485f34fcb34f3ff070a2

SHA256
4552533e4eee602145b177854c0285aca0dc096c7c260c8877551006d72aaec9

SHA512
8408c1e93d1dcd89d24d26e3167380aa52f6d4f2e8215505343ab0154e54774a75520efe6b094a91a0eca5af6858488ff4c2803d4c6f4fb98ca3588d38eaf953

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

Filesize
189KB

MD5
7483a1a59029a8408c59247891afc132

SHA1
2f9fb6014e177015d47e1d81a83c2e424062a65b

SHA256
65afcf31cabb043ef0175fa13b0d679199858ba4b8d48ba40fa3bbb98b72acb6

SHA512
66e019c11d455fa1eb4a852d9d511ab1027547a675b15d2b181ce3604c42fbe290a48af11cd043b2f8dd6b1cbbb8950b0dbcef0e6f9f24db67b08ab3d31b743f

Download Submit
memory/3944-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3944-798-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download