61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2

Analysis

max time kernel
150s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/08/2024, 22:06

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General

Target

61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
Size

51KB
MD5

bfad72007be26a360d87032d81965c08
SHA1

a0b5b028dc27a3d7af6d6c86ff72960e42d28ce3
SHA256

61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2
SHA512

6e994130b190238af8f525ed4eb2e6216a919f77a71c7b5c6d1f70af5a2fc5284812514b72e09f400a93c74c1acb0c4983742d2a8e1170113cdadaa68ac0d1c5
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNyHF/MF/6m0mIb:V7Zf/FAxTWoJJZENTNyl2Sm0mI

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5028) 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/2864-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002361c-2.dat	upx
behavioral2/files/0x000600000001690a-6.dat	upx
behavioral2/memory/2864-1856-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\oledb32r.dll.mui.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\UIAutomationClientSideProviders.resources.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\flavormap.properties.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\blacklisted.certs.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-pl.xrm-ms.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONPPTAddin.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\InkObj.dll.mui.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ea-sym.xml.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-phn.xrm-ms.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ExcelNaiveBayesCommandRanker.txt.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AugLoop\third-party-notices.txt.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-100.png.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\7-Zip\Lang\mng2.txt.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Input.Manipulations.resources.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\sqloledb.rll.mui.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\mlib_image.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\sunmscapi.jar.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-ul-phn.xrm-ms.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\office.core.operational.js.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsen.xml.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msdaprsr.dll.mui.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\dynalink.md.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ul-oob.xrm-ms.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MYSL.ICO.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\7-Zip\Lang\sk.txt.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\colorimaging.md.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Transactions.Local.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Java\jdk-1.8\bin\idlj.exe.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-console-l1-1-0.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\ecc.md.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-pl.xrm-ms.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-pl.xrm-ms.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Common Files\System\ado\msadomd28.tlb.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Emit.Lightweight.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\PresentationUI.resources.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationUI.resources.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-stdio-l1-1-0.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest-pl.xrm-ms.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial4-pl.xrm-ms.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_MAK-ul-phn.xrm-ms.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-process-l1-1-0.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\hive.xsl.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationFramework.resources.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Top Shadow.eftx.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Trial-ul-oob.xrm-ms.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Grace-ppd.xrm-ms.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\EventSource.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Dallas.OAuthClient.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.resources.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001F-0C0A-1000-0000000FF1CE.xml.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.TextWriterTraceListener.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationTypes.resources.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Grace-ul-oob.xrm-ms.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONENOTEIMP.DLL.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Process.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\ReachFramework.resources.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jfr\profile.jfc.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_KMS_Client-ul.xrm-ms.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\basicstylish.dotx.tmp	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.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	61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe

C:\Users\Admin\AppData\Local\Temp\61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe
"C:\Users\Admin\AppData\Local\Temp\61870d19021059fc994233c99859da8971ca3b4bdbc26257f52f40e4f19ef0a2.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2864

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4348,i,11391966286255097843,10588851088187498028,262144 --variations-seed-version --mojo-platform-channel-handle=3944 /prefetch:8
1⤵
PID:4312

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-1-5-21-2170637797-568393320-3232933035-1000\desktop.ini.tmp

Filesize
52KB

MD5
71b5cea0164c9aa7b519c711d2b60a9d

SHA1
929d616a6174572c2acb79017c3312d4ad203699

SHA256
e5876d6672f6686ffa39df8137985ffa5276446eb4a1bc9780bc58474f9fd653

SHA512
c4de38a779586041f026288674a99997342715adb34c616776d0a9ca61d1427768d9c419fee684de3244d7fe4296f3342b33e272ebdd01999883b91d147b3ac3

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

Filesize
164KB

MD5
c0a8346343de158fac95ae7c8c0c0dfb

SHA1
8ce13a6a7d6ab957576ba560f66d01e82bade36f

SHA256
82893de3b15142eee66241e7687e1586c3cbbab2794444089bb97ede81567e48

SHA512
5b72944fad73ab8035fe58ec98ac6da3756e3775a70796defc057b554aec1389bb62a1a0cc5fc168f742e53054d7177b974ebc3eb70cef67b887ed4c515d1d52

Download Submit
memory/2864-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2864-1856-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download