96762f20e5f6bff295854ba1bf2d7352014e4133a4cbb19785e121f25209139b

Analysis

max time kernel
120s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 02:06

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General

Target

19b21eb0498202fb0cf423fe8e386390N.exe
Size

35KB
MD5

19b21eb0498202fb0cf423fe8e386390
SHA1

9db058f74b504cd59d2b00b072dacbb7b78a07c5
SHA256

96762f20e5f6bff295854ba1bf2d7352014e4133a4cbb19785e121f25209139b
SHA512

2067ac0d1a4e4678f3cd9a1638a9fcc3cf0bfc87c696cefd619682e38c5354cd63658277f5639bfb531402787da9076aa4cb5d6f0702d481dcdbc4ebf887ed96
SSDEEP

768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATNyHF/MF/6m0mdGRG+LeoVERZLeoVEO:CTW7JJZENTNyl2Sm0mPW0

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4655) 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/2288-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0008000000023453-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/2288-905-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-namedpipe-l1-1-0.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_sv.properties.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Grace-ul-oob.xrm-ms.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdasqlr.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1036\MSO.ACL.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\EXCELPLUGINDATAPROVIDER.DLL.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tipskins.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_OEM_Perp-pl.xrm-ms.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ul-oob.xrm-ms.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.excelmui.msi.16.en-us.xml.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-string-l1-1-0.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win7_RTL.wmv.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-pl.xrm-ms.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-ul-oob.xrm-ms.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_OEM_Perp-pl.xrm-ms.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\mashupcompression.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\id\msipc.dll.mui.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsnor.xml.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-ppd.xrm-ms.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_Subscription-ppd.xrm-ms.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Author2XML.XSL.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\MLASeventhEditionOfficeOnline.xsl.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\vi\msipc.dll.mui.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-string-l1-1-0.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-ppd.xrm-ms.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-ul-phn.xrm-ms.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.IsolatedStorage.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\WindowsBase.resources.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\PresentationCore.resources.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encoding.Extensions.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial3-ppd.xrm-ms.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\7-Zip\Lang\es.txt.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-locale-l1-1-0.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\dnsns.jar.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Java\jre-1.8\lib\flavormap.properties.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\7-Zip\Lang\ar.txt.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.Watcher.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Input.Manipulations.resources.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\ktab.exe.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-ppd.xrm-ms.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\el\msipc.dll.mui.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\TipRes.dll.mui.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Globalization.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Trial-ul-oob.xrm-ms.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-ul-oob.xrm-ms.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tabskb.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\mip.exe.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\WidevineCdm\manifest.json.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-string-l1-1-0.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaTypewriterRegular.ttf.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_OEM_Perp-ul-oob.xrm-ms.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-ul-phn.xrm-ms.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-ul-oob.xrm-ms.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_F_COL.HXK.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcp140.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-white_scale-140.png.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Forms.resources.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\cldrdata.jar.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-black_scale-80.png.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\clrjit.dll.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Internet Explorer\uk-UA\ieinstal.exe.mui.tmp	19b21eb0498202fb0cf423fe8e386390N.exe
File created	C:\Program Files\Java\jre-1.8\bin\klist.exe.tmp	19b21eb0498202fb0cf423fe8e386390N.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	19b21eb0498202fb0cf423fe8e386390N.exe

C:\Users\Admin\AppData\Local\Temp\19b21eb0498202fb0cf423fe8e386390N.exe
"C:\Users\Admin\AppData\Local\Temp\19b21eb0498202fb0cf423fe8e386390N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2288

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-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

Filesize
35KB

MD5
da84c297dad62f76ca17c56cd2db606b

SHA1
034e44a5718603240445ef986696c6da6bb78452

SHA256
e57501780d09ca84264444f417614d956088f563f1cce7aa0b91d14199b50479

SHA512
24a6a48d34789e4c67d41503f2584a2bdd1812ee86350fee1a927708b2bdc623b9efb075e5a941a15251dbf2fb4e397f5a853c4a015de53267911de6bf0e6996

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

Filesize
134KB

MD5
be24eed7d3ee8e6d83cf9637beafa257

SHA1
99413fc300d4203bce5d4fc83a24067631700fb4

SHA256
969dcf10486cf4b034e5da0a2cf81f1e4bee93ed3fe9597e6fa16ac74a34d0ed

SHA512
f277011655f11cf9d8ffdfddaae07391752d20c84d314853da4bcad0fd1d079af57e2b3ae8799e3941ff16f3d862abebac65eac2afea6171db18983207d61513

Download Submit
memory/2288-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2288-905-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download