83e6fa3c1055d5d49fa069e125adf700cde88f33ad4e964fbe95454c442120a1

Analysis

max time kernel
120s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/09/2024, 23:24

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General

Target

7ee32f951596fb17dbe3d8c8474bf820N.exe
Size

92KB
MD5

7ee32f951596fb17dbe3d8c8474bf820
SHA1

d728186fe71a1cac049c3cab5f7ffdba093110d0
SHA256

83e6fa3c1055d5d49fa069e125adf700cde88f33ad4e964fbe95454c442120a1
SHA512

d5aa7388e23f2922d6a1683e8f96bb601529825d1fc91019a3a27f4b615dd5c7323fab6fb9b16194004c450da5a7a078437b61a82c597facfdcd03790ea0faf2
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY5a8hk7:fnyiQSox5a8E

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4643) 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/4260-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233f2-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/4260-868-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.FileSystem.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-ppd.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-pl.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PenImc_cor3.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\PresentationCore.resources.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Glow Edge.eftx.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-black_scale-180.png.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\sqloledb.rll.mui.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.HttpListener.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscorlib.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-convert-l1-1-0.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Java\jre-1.8\lib\psfontj2d.properties.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-time-l1-1-0.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Extensions.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\7-Zip\Lang\sa.txt.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Primitives.resources.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_logo_small.png.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.DataAnnotations.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ul-phn.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\ReachFramework.resources.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Input.Manipulations.resources.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial2-ul-oob.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msadcor.dll.mui.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encoding.CodePages.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\PresentationCore.resources.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Inset.eftx.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ul-oob.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ppd.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-ul-oob.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVScripting.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationCore.resources.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.Win32.SystemEvents.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Franklin Gothic.xml.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Grace-ppd.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Trial-pl.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-pl.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ppd.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\sqmapi_x64.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\PresentationFramework.resources.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\PresentationUI.resources.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\PresentationFramework.resources.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\splash.gif.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-ppd.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.he-il.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_sv.properties.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Organic.thmx.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Cambria.xml.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.scale-80.png.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Drawing.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-ul-oob.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\UIAutomationClientSideProviders.resources.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-ul-phn.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\POWERMAPCLASSIFICATION.DLL.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationClientSideProviders.resources.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-ul-phn.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ul-phn.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XDocument.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Input.Manipulations.resources.dll.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTrial-ppd.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ul-oob.xrm-ms.tmp	7ee32f951596fb17dbe3d8c8474bf820N.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	7ee32f951596fb17dbe3d8c8474bf820N.exe

C:\Users\Admin\AppData\Local\Temp\7ee32f951596fb17dbe3d8c8474bf820N.exe
"C:\Users\Admin\AppData\Local\Temp\7ee32f951596fb17dbe3d8c8474bf820N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4260

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-1-5-21-786284298-625481688-3210388970-1000\desktop.ini.tmp

Filesize
93KB

MD5
a4eac1ec3714e1181ca9e1302f028686

SHA1
62830d6862315681f2c3fc0b8fea6ebb2b23ca34

SHA256
5baa64cc59bae92d48ff981193bbfa57ef0f3ea5e0e1f4e25eb05562da5f23d6

SHA512
1024245f5c038a4d139f3871d6debec34ea56a6a112071e83583fb21c82a253462da1420d7eb6e00ead7c703d3f05b5f3d23013abb0192dbfccb0954ebf742f0

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

Filesize
191KB

MD5
a0d8ba05589aa4a4ed061ae7f0faae47

SHA1
2102c274f7ee834d51955ac856416693b995c929

SHA256
9c8d62928934f8d29cc7ad972bb67ae5bb4578e758b6723355dff519bc61cde2

SHA512
aa92ce754d36742eec1de742dcd58ff06e6676ea82dc49140de9d93d093ea4674b7b11a1d3af226f17cbf386c135f9dedc5976a58690c1f20633389d7a208a5a

Download Submit
memory/4260-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4260-868-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download