fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933

Analysis

max time kernel
120s
max time network
93s
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 05:53

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General

Target

fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
Size

59KB
MD5

433333e13d19e6c7e8ae5f8a4f572340
SHA1

8d2de0295e1bcefa88529b7962eda6722af92dda
SHA256

fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933
SHA512

51cb4cba0b915970f0bc6958a4b1280f08f30a1a7e18a4bc6595d8d9441d75897e5db4d51a1b86d2b15e1e317d14076d5a8c97d111aab760ddd476d18d5fb5b3
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJTU3U2lRtJfO5mdGwmdGC6E:V7Zf/FAxTWoJJTU3UytJfO5mdGwmdG0

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4669) 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/3088-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00080000000234bd-2.dat	upx
behavioral2/files/0x000c0000000220a6-6.dat	upx
behavioral2/memory/3088-952-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-pl.xrm-ms.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationTypes.resources.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages.properties.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Interop.MSDASC.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationTypes.resources.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Controls.Ribbon.resources.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogoCanary.png.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntimeR_PrepidBypass-ppd.xrm-ms.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-ul-oob.xrm-ms.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeServiceBypassR_PrepidBypass-ppd.xrm-ms.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Grace-ppd.xrm-ms.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Csp.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\WindowsBase.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\PresentationCore.resources.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\cryptix.md.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-stdio-l1-1-0.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-ul-oob.xrm-ms.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_COL.HXC.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\WindowsBase.resources.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\xerces.md.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\packager.jar.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ul-oob.xrm-ms.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.HttpListener.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Linq.Parallel.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OSMUX.OSMUX.x-none.msi.16.x-none.xml.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-ul-phn.xrm-ms.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\WPFEXTENSIONS.DLL.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationClientSideProviders.resources.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\WindowsBase.resources.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Forms.resources.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\pack200.exe.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-pl.xrm-ms.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipscat.xml.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sl-SI\tipresx.dll.mui.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\7-Zip\Lang\id.txt.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\desktop.ini.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Pipes.AccessControl.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientOSub_eula.txt.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-white_scale-80.png.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_Subscription-pl.xrm-ms.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main.xml.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\msquic.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Transactions.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-util-l1-1-0.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-environment-l1-1-0.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Java\jre-1.8\bin\resource.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_OEM_Perp-ul-oob.xrm-ms.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\7-Zip\Lang\sr-spc.txt.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\InkObj.dll.mui.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Csp.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-ul-oob.xrm-ms.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Trial-ul-oob.xrm-ms.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Trial-ul-oob.xrm-ms.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationClient.resources.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\j2pcsc.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Formatters.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msaddsr.dll.mui.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\PresentationFramework.resources.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\icu.md.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-utility-l1-1-0.dll.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Grace-ppd.xrm-ms.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_KMS_Client_AE-ul.xrm-ms.tmp	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.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	fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe

C:\Users\Admin\AppData\Local\Temp\fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe
"C:\Users\Admin\AppData\Local\Temp\fbd7f255ee403fdeae1f3607b05076bc1c82a790bcd864b6fa57020a80f82933N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3088

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

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Downloads

C:\$Recycle.Bin\S-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp

Filesize
59KB

MD5
c592bf4b14842585d748b651edd5b532

SHA1
b27dcc3bb28fffac018b060106a73de3b675759e

SHA256
2f721627c2b4192e5038cec884bbde21ba84b959d6a371f6290c9b7434a267ba

SHA512
3b77ee1bccf6ab9af252eb5ca9dbebc0f4f0254124f930ebcb6d67985067aa89a5cbf49d1e3126e811f579886330886a90f95e70af324af6c249df6e6f4054d4

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

Filesize
158KB

MD5
b70b2d18ecdf1ae7ab631c9e549a5277

SHA1
4bef61fb91d5a75b6626b46dfec746b66001e07e

SHA256
aa2c15df175366dfb4a217a5109a4e6f1843f9aeb0645148d657d667d0fd0ee4

SHA512
64783598780dacb6e0485dab70dec9cf71e4ba41fea2aef692010bf91339e85f4309c933ccb6ef91d6c3700db240cf5dc03b381ac0c978bce214b2e4d5f32352

Download Submit
memory/3088-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3088-952-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download