fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687de

Analysis

max time kernel
120s
max time network
119s
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 06:18

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General

Target

fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
Size

164KB
MD5

b836525750e43b8e3fd40f033f256320
SHA1

1bd7da1b375781babfc9678ca56f81f2fda934f4
SHA256

fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687de
SHA512

c31c8a78b946b610af140d7949d59a5cfff09953f4a3a055a1bdb168d3dcd528a3dd650b72b182436cf9143e8597111ab6d200ffdca7910e1a9ddab9d4c02b2a
SSDEEP

1536:V7Zf/FAxTWbip0rMuErqGo/081ioJMkn7swaDpdWpUE0iGcZ83iXjsj1Qz26trY4:fnyzuv/08QoH7DOd9bOC6tV

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4171) 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/4560-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002361c-2.dat	upx
behavioral2/files/0x000600000001690a-6.dat	upx
behavioral2/memory/4560-766-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\tipresx.dll.mui.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Java\jre-1.8\lib\amd64\jvm.cfg.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ppd.xrm-ms.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\freebxml.md.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Java\jre-1.8\bin\dtplugin\deployJava1.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ppd.xrm-ms.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_OEM_Perp-ul-phn.xrm-ms.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ppd.xrm-ms.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONINTL.DLL.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.ProviderShared.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-private-l1-1-0.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\WindowsBase.resources.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\UIAutomationProvider.resources.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\prism_d3d.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Java\jre-1.8\lib\management\jmxremote.access.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationProvider.resources.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\PresentationCore.resources.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest5-ppd.xrm-ms.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_MAKC2R-ppd.xrm-ms.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.excelmui.msi.16.en-us.xml.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\7-Zip\7-zip.chm.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R32.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.CompilerServices.Unsafe.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Extensions.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l2-1-0.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Java\jre-1.8\bin\jfxmedia.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-ul-oob.xrm-ms.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\Microsoft.VisualBasic.Forms.resources.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Java\jdk-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Java\jre-1.8\bin\t2k.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Java\jre-1.8\COPYRIGHT.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\7-Zip\License.txt.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\msquic.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Resources.ResourceManager.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Xaml.resources.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Xaml.resources.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Formats.Asn1.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationUI.resources.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationTypes.resources.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_OEM_Perp-ppd.xrm-ms.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp4-ul-phn.xrm-ms.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.AccessControl.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Royale.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.resources.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\d3dcompiler_47.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0018-0000-1000-0000000FF1CE.xml.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WWINTL.DLL.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msaddsr.dll.mui.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Globalization.Calendars.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\WindowsFormsIntegration.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-root-bridge-test.xrm-ms.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail-ul-oob.xrm-ms.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Grace-ul-oob.xrm-ms.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\IpsMigrationPlugin.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Tools.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_MAK-ul-phn.xrm-ms.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-pl.xrm-ms.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-pl.xrm-ms.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.EventSource.dll.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
File created	C:\Program Files\7-Zip\Lang\ro.txt.tmp	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.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	fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe

C:\Users\Admin\AppData\Local\Temp\fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe
"C:\Users\Admin\AppData\Local\Temp\fa8cdb2e9d9946b0c8d5238fd7b71ca73650239a7ed2218601b2d5bcf16687deN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4560

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=4344,i,11391966286255097843,10588851088187498028,262144 --variations-seed-version --mojo-platform-channel-handle=4112 /prefetch:8
1⤵
PID:2328

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
165KB

MD5
e693293258bd4806d217edb5f27c2436

SHA1
81620bf4616e26581ad83da63302c559dac292a4

SHA256
c162e504f55559afebaa6b268430f9ea91d9369bc8196e0459800b058da4bc67

SHA512
5a29bf48ab63985659a09f5bd59d309f45486e53fc73c1bcac2ec3213d74bee5cc85d16d0551bbfc27adb65a2decd63843debd09177d77d9761162fef78c8813

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

Filesize
277KB

MD5
204196b9b007379238bf308dabadaf43

SHA1
5271ac4045f268776c1a68646b05c49ee8c6207a

SHA256
259595ce0e9b7818c2e1caa0f8c331b00fa6220db22d67bb52b5ee94710e898e

SHA512
6c3f12cc9f19cd94f8ebbd9a422a5f50bba6d5be9067227d552da36427b52d277cebfb3085defff609a055f00d56c129fa950abc349ce91bf4908cd82bf855f6

Download Submit
memory/4560-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4560-766-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download