e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fc

Analysis

max time kernel
119s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 05:30

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General

Target

e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
Size

51KB
MD5

8cc6ea8a662d31862cac4201bed09290
SHA1

a4629ac9c804d55ca67f54e7e2a91940c9f6cecf
SHA256

e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fc
SHA512

44ac8e3e58cb6cfc30b0a594700187b66948afa80f1afb08c0ba6f8afd15aa86af6d6f4451f01efb8d7d8c7256633e6fc60a69655342bf56baad7aa3f2ba682a
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9UwB:V7Zf/FAxTWoJJ7TiwB

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4667) 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/4448-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002345e-2.dat	upx
behavioral2/files/0x000400000002291b-6.dat	upx
behavioral2/memory/4448-928-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Intrinsics.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Java\jre-1.8\bin\dtplugin\npdeployJava1.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-3102-0000-1000-0000000FF1CE.xml.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPoint.PowerPoint.x-none.msi.16.x-none.xml.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ppd.xrm-ms.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sqlpdw.xsl.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Redshift\lib\OpenSSL64.DllA\libeay32.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-ppd.xrm-ms.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsen.xml.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Common Files\microsoft shared\VC\msdia90.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\.version.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\ReachFramework.resources.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\relaxngdatatype.md.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\java.policy.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-ul.xrm-ms.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ul-phn.xrm-ms.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-pl.xrm-ms.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\DirectWriteForwarder.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Luna.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.EventLog.Messages.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\public_suffix.md.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-utility-l1-1-0.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_MAK_AE-ppd.xrm-ms.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Microsoft.Office.PolicyTips.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-fibers-l1-1-0.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-ul-phn.xrm-ms.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.OData.Query.NetFX35.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\ReportingServicesNativeClient.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encodings.Web.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Forms.Design.resources.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationProvider.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-ppd.xrm-ms.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-ul-oob.xrm-ms.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\excel.exe.manifest.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OSMUX.OSMUX.x-none.msi.16.x-none.xml.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\hr\msipc.dll.mui.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\cs\msipc.dll.mui.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_ca.xml.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\oledb32r.dll.mui.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Controls.Ribbon.resources.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\trusted.libraries.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-math-l1-1-0.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-ppd.xrm-ms.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Grace-ppd.xrm-ms.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Royale.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\optimization_guide_internal.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-convert-l1-1-0.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\psfontj2d.properties.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.RsClient.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Grace-ppd.xrm-ms.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationCore.resources.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ta.pak.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Retail-ul-phn.xrm-ms.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial4-pl.xrm-ms.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTrial-ul-oob.xrm-ms.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ppd.xrm-ms.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-ppd.xrm-ms.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Grace-ul-oob.xrm-ms.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_COL.HXT.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-phonetic.xml.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.dll.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\dotnet\ThirdPartyNotices.txt.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\rtscom.dll.mui.tmp	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\[email protected]	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.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	e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe

C:\Users\Admin\AppData\Local\Temp\e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe
"C:\Users\Admin\AppData\Local\Temp\e1b53780b8ab3d5115632aebde8991645c5859a0017203b5c70b92a2888e41fcN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4448

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-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp

Filesize
51KB

MD5
aed26d03fb3faee81776ce4b88aab10b

SHA1
f750b1a6cef2c382599c36dd20f2545fad3ae996

SHA256
6a1f220e7568711b8f0abf64b63f7a0587789cb86192d3c9dd2d5a4f5120c6b0

SHA512
dce6f1c890a7a3d3d5eef553703fc72cfa12643024860c30683dfcce02a97686d9ebd564bf0943d748e98a41f091871e47f6c22448b3035b24b8c884aa7df4ce

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

Filesize
150KB

MD5
9ef8e6457fb089a3c23d4e1d847c4d3f

SHA1
31c809eec2beb6971f8911bee99293539661306b

SHA256
ab6955888d1728ca817a12755e51e4537fa7630b1819c316bc42212d97eb6cef

SHA512
11ff04d1ca66bad1e948d0efe77b874804005d763c254f4daa5758eaf870facf0211a80850d8a8f0b614e4add261a7c0d573bc8805a11cf0eac37a5c6823b910

Download Submit
memory/4448-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4448-928-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download