e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bc

Analysis

max time kernel
120s
max time network
120s
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, 10:15

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General

Target

e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
Size

51KB
MD5

5bf02783f17ebfc9ffb31ec18bc3c1e0
SHA1

bc5349da58b8a50f04abe97354c2362879cd10f4
SHA256

e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bc
SHA512

ce97692336893ec6576ff1066941d9d0e798f61f4626125b15de4651aafe763e567a779a2ef992b58446e8bf0fe07bff6f118fa94bb24107b110051a9ed51ceb
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI90ZgZ6:V7Zf/FAxTWoJJ7TCY6

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4629) 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/2148-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000236cb-2.dat	upx
behavioral2/files/0x000600000001690a-6.dat	upx
behavioral2/memory/2148-918-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\CT_ROOTS.XML.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\xerces.md.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_MAK-pl.xrm-ms.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ul-oob.xrm-ms.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-pl.xrm-ms.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Controls.Ribbon.resources.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\vcruntime140_1.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-ppd.xrm-ms.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskpred\oskpredbase.xml.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\libxml2.md.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\ecc.md.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\relaxngcc.md.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\TipTsf.dll.mui.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Internet Explorer\de-DE\iexplore.exe.mui.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Google\Chrome\Application\chrome.exe.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-pl.xrm-ms.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1036\MSO.ACL.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Luna.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\PresentationFramework.resources.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Configuration\ssn_high_group_info.txt.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\PUSH.WAV.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Resources.Extensions.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\cursors.properties.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntry2019R_PrepidBypass-ppd.xrm-ms.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.osmuxmui.msi.16.en-us.xml.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-ul-phn.xrm-ms.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationClient.resources.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_OEM_Perp-ul-phn.xrm-ms.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationClient.resources.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\PresentationFramework.resources.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\sqloledb.rll.mui.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Http.Json.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHLEX.DAT.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\TipTsf.dll.mui.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Common Files\System\es-ES\wab32res.dll.mui.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Metadata.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\WindowsBase.resources.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription2-ul-oob.xrm-ms.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.Queryable.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Java\jre-1.8\bin\server\jvm.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\mshwLatin.dll.mui.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\1033\VSTOLoaderUI.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\Microsoft.VisualBasic.Forms.resources.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Internet Explorer\uk-UA\ieinstal.exe.mui.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\localedata.jar.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\SubsystemController.man.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\tabskb.dll.mui.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-private-l1-1-0.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription1-pl.xrm-ms.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-ul-phn.xrm-ms.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.AccessControl.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.resources.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ul-phn.xrm-ms.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-ppd.xrm-ms.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Practices.Unity.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelFloatieXLEditTextModel.bin.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-heap-l1-1-0.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Resources.ResourceManager.dll.tmp	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.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	e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe

C:\Users\Admin\AppData\Local\Temp\e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe
"C:\Users\Admin\AppData\Local\Temp\e62764a296109469aa8fbdb3e5d3cf75a5f11bd38447604815e018b75090f0bcN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2148

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=4056,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=1044 /prefetch:8
1⤵
PID:1652

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

Filesize
52KB

MD5
aeb69e46e8f4ac66e83dcfd293db82b3

SHA1
a3e8dc4897efc0a0fc5638f4ed6d6c6d9e175e95

SHA256
84a90e19580c194f64d7f60f8d63bef30da47ed815d6d802c711ea1fddb234a2

SHA512
448612a4129166037d76d629ea995d5c6a6cd9a34c4efec0c6284c4629d9a348b200425ce0ddb1afffc45aa1609998b9f546bd6fed901811164ec3a978b62f7e

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

Filesize
164KB

MD5
f1b9b17c14407f00262905ebc7c489a7

SHA1
a79ce05d96fbc31a94f503d7d6695a923b673b10

SHA256
9e483d821cc291d1ed0b3c0051740781f2b9293c222692abd29250a72d513459

SHA512
d9d02a326052ac5ef666b2968d6677e7f24d0724c8d2bb19e2240463c1dcce0280a9eaff872a5445116736b19c0217592733e9ecc305d023c7cf3bb0f8355eeb

Download Submit
memory/2148-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2148-918-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download