04e1dbac8f1c2e0e7c8cf69e7bb483c1191a892c6cb658c566da0acef657936c

Analysis

max time kernel
120s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16/08/2024, 22:38

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

c391ecafe65c7125e0da755f59a10e80N.exe
Size

60KB
MD5

c391ecafe65c7125e0da755f59a10e80
SHA1

be60173be55fa46eef55b5436fad281f5e8ad009
SHA256

04e1dbac8f1c2e0e7c8cf69e7bb483c1191a892c6cb658c566da0acef657936c
SHA512

fe2fb0b4da030dcc1d62f66ca304490f4f8018ab083d4b129308f5c7ff5bcf82eea2042dcc252833495dc581ea31d68497922ecfa696b79910497197b91ebb14
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcwBcCBcw/tio/tiaZcZGp:V7Zf/FAxTWoJJ7TTQoQa+Ip

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4368) 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/4972-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002361c-2.dat	upx
behavioral2/files/0x000600000001690a-6.dat	upx
behavioral2/memory/4972-808-0x0000000000400000-0x000000000040B000-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.Reflection.TypeExtensions.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\server\Xusage.txt.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial2-ul-oob.xrm-ms.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Common Files\System\msadc\msdaremr.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Java\jre-1.8\bin\javacpl.cpl.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_zh_HK.properties.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-ul-oob.xrm-ms.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Retail-ul-oob.xrm-ms.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\DisconnectHide.xht.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-ul.xrm-ms.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\cacerts.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Forms.Design.resources.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\prism_d3d.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCONTROL.DLL.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.Recommendation.Client.Core.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\PresentationUI.resources.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-convert-l1-1-0.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationUI.resources.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_ViewOnly_ZeroGrace-ppd.xrm-ms.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\TITLE.XSL.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipskor.xml.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-pl.xrm-ms.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-ul-oob.xrm-ms.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Java\jdk-1.8\jvisualvm.txt.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-libraryloader-l1-1-0.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\icu_web.md.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-ul-oob.xrm-ms.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\EventSource.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Common Files\System\msadc\msdaprst.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\.version.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Controls.Ribbon.resources.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\WindowsFormsIntegration.resources.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\ReachFramework.resources.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\currency.data.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\xerces.md.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\msdasqlr.dll.mui.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp6-ul-oob.xrm-ms.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-ul-phn.xrm-ms.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Java\jre-1.8\THIRDPARTYLICENSEREADME.txt.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\blacklisted.certs.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_PrepidBypass-ul-oob.xrm-ms.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Edm.NetFX35.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-profile-l1-1-0.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Xaml.resources.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_Subscription-ppd.xrm-ms.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\+NewSQLServerConnection.odc.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Grace-ppd.xrm-ms.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\HarvardAnglia2008OfficeOnline.xsl.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Subscription-ul-oob.xrm-ms.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\wpfgfx_cor3.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javah.exe.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\unpack.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\dynalink.md.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses\c2rpridslicensefiles_auto.xml.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Http.Json.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\pt-PT\tipresx.dll.mui.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.MemoryMappedFiles.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.resources.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\WindowsBase.resources.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\Microsoft.VisualBasic.Forms.resources.dll.tmp	c391ecafe65c7125e0da755f59a10e80N.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	c391ecafe65c7125e0da755f59a10e80N.exe

C:\Users\Admin\AppData\Local\Temp\c391ecafe65c7125e0da755f59a10e80N.exe
"C:\Users\Admin\AppData\Local\Temp\c391ecafe65c7125e0da755f59a10e80N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4972

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=1296,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=4296 /prefetch:8
1⤵
PID:2876

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-2170637797-568393320-3232933035-1000\desktop.ini.tmp

Filesize
61KB

MD5
34e20601aa314bbffa342430635fe981

SHA1
a96abdb5254f50a4b07dca6acc2d93dedd974ae7

SHA256
78aa59fb2c9baf828dccf7156bd827c495c8b6d7470a30e06e4c5443263f640b

SHA512
611b0efdacfcee233f8aa50511df40c6b2de3c5eb86171a5d7c47f4c47334bdb11e2d66cd16e93eea4e237989aef578ca1c7c27cf51fc98102c31db34bbb08ee

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

Filesize
173KB

MD5
c265396baf72f163bce7040b945e1387

SHA1
f0843fc60f60ce0b9a86115aee0239342043f2f9

SHA256
b9a98911f74f01ad9693f27094beb0941fa03e31210bde86371563a3c1bfcdfe

SHA512
7a07c2364d457a48543688609ade06eda868324c5c75fe1b6818f11755cc5294bd5149fc6dbb41494838b7ce5ee5a2b3cb9a2e1e76d624b8dd3fff2c476e9999

Download Submit
memory/4972-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4972-808-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download