92ae11c43a3e8e0ac67d9028a16565d063f81915855dd555083094cebec15690

Analysis

max time kernel
120s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-08-2024 17:26

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General

Target

48c1a80ebe58d9387260c106830c8100N.exe
Size

52KB
MD5

48c1a80ebe58d9387260c106830c8100
SHA1

fad1aa911c2a1597f17c47a2ee8457523ecc6f95
SHA256

92ae11c43a3e8e0ac67d9028a16565d063f81915855dd555083094cebec15690
SHA512

3af0a1f2b5e5cf09f11f36983b40586a21806cc41d92f964b223f0229b4b35dfe856f1446364a182590859b6a9ce42a5d7a7158125206863d99f4bf90022b224
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNydWK9WKjm2:V7Zf/FAxTWoJJZENTNyoKIK62

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4544) 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/4244-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023476-2.dat	upx
behavioral2/files/0x0004000000022933-6.dat	upx
behavioral2/memory/4244-1796-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\WindowsFormsIntegration.resources.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jfxswt.jar.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipRes.dll.mui.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\PresentationUI.resources.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\vcruntime140.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-ppd.xrm-ms.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Resources.Reader.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\PresentationUI.resources.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\npjp2.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Gill Sans MT.xml.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ppd.xrm-ms.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ppd.xrm-ms.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-ul-oob.xrm-ms.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sl.pak.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_KMS_Client-ppd.xrm-ms.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\TabTip.exe.mui.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Common Files\System\ado\adojavas.inc.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Xaml.resources.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-pl.xrm-ms.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationUI.resources.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Forms.Primitives.resources.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jfxswt.jar.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-ul-oob.xrm-ms.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000008\FA000000008.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\flavormap.properties.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_KMS_Client-ul.xrm-ms.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Retail-ul-oob.xrm-ms.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-black_scale-100.png.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemXmlLinq.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Cryptography.Pkcs.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\client_eula.txt.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_logo.png.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.Primitives.resources.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\WindowsFormsIntegration.resources.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\libffi.md.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Extensions.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Xaml.resources.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-140.png.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\mshwLatin.dll.mui.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Requests.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.Win32.SystemEvents.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-pl.xrm-ms.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ppd.xrm-ms.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\Content.xml.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Forms.resources.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationProvider.resources.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Forms.Primitives.resources.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Java\jdk-1.8\javafx-src.zip.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-pl.xrm-ms.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-ul-phn.xrm-ms.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_MAK-ppd.xrm-ms.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_COL.HXT.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\POWERMAPCLASSIFICATION.DLL.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_CN.properties.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_MAK_AE-ul-oob.xrm-ms.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\Invite or Link.one.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\7-Zip\Lang\lt.txt.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msaddsr.dll.mui.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.Client.dll.tmp	48c1a80ebe58d9387260c106830c8100N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.Uri.dll.tmp	48c1a80ebe58d9387260c106830c8100N.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	48c1a80ebe58d9387260c106830c8100N.exe

C:\Users\Admin\AppData\Local\Temp\48c1a80ebe58d9387260c106830c8100N.exe
"C:\Users\Admin\AppData\Local\Temp\48c1a80ebe58d9387260c106830c8100N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4244

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-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.tmp

Filesize
52KB

MD5
5bf94ab071c8d30fac6ea0071b7126d4

SHA1
df4ea3abf657014978c6d5d6983d0f6adf141114

SHA256
c059f663f0c3ed7807950c11853f08992be3b6c5f10ebb64eedff1654db469cb

SHA512
c7f23ce12fce16e1a0bbc7ada1d064c7a6a36222624493112d6dd1c453ec624867998d04925bd22483a552039a2b6514eb845d6fca7edaf5c72777257485ba7c

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

Filesize
151KB

MD5
5c95d4e2c644dbe8e307c42c7c499629

SHA1
ddfc224b14210481d3df259208fb58996b8c247a

SHA256
ee2644c1f985beda0eeec0e8d2524c7897b1a9452780df961cd9148b3ca789f7

SHA512
8092e0029d75a5d82ec12ee1a111471cb5385ff64a5fc8c465200196c291c87a2f5d1e728199d5282771e06be818a776060a223c0e2f8ef5142ecf818160f7c6

Download Submit
memory/4244-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4244-1796-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download