fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784

Analysis

max time kernel
120s
max time network
94s
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, 03:32

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General

Target

fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
Size

202KB
MD5

92afcbea7589aa96de3fbccdae868220
SHA1

28da4cbcae1f916663b7943270bc8bd255158f70
SHA256

fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784
SHA512

935f6c9d748630529cb389743ad59102f9b03172a2a0fa9c840d104737c23c3ee485212199e9215289c72dc8ee5fdcb98908d7245074077b224d3fa1dfa61bb5
SSDEEP

3072:enaypQSoHGQcYRCDMlYZyfHg65wgvUQZLeeWfQWL41/:wHpQSo7A2A4vUAeeW9k/

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4094) 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/1520-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233b3-2.dat	upx
behavioral2/files/0x00040000000228de-6.dat	upx
behavioral2/memory/1520-758-0x0000000000400000-0x000000000040B000-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\ru\System.Windows.Forms.resources.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jvmticmlr.h.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\dcpr.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jfxmedia.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Grace-ppd.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Classic.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\cursors.properties.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTest-ppd.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-pl.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_OEM_Perp-ul-phn.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Primitives.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationClientSideProviders.resources.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\unpack.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-ul-phn.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_COL.HXC.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\word2013bw.dotx.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\PresentationFramework.resources.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\WindowsBase.resources.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Xaml.resources.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVScripting.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.Design.resources.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Java\jre-1.8\bin\policytool.exe.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-pl.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipscsy.xml.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Xaml.resources.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Internet Explorer\fr-FR\ieinstal.exe.mui.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-ul-phn.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial-ppd.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Subscription-ul-oob.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-ppd.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msadcer.dll.mui.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jstat.exe.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\jcup.md.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Java\jre-1.8\lib\javafx.properties.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-ul-oob.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationTypes.resources.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\UIAutomationClientSideProviders.resources.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Grace-ppd.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription2-pl.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ul-phn.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLSLICER.DLL.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-synch-l1-1-0.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-pl.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_Grace-ul-oob.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ppd.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XPath.XDocument.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encodings.Web.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\mesa3d.md.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\bcel.md.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-pl.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\WindowsFormsIntegration.resources.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Controls.Ribbon.resources.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-ppd.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription1-pl.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-ppd.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-pl.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_MAKC2R-ppd.xrm-ms.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.dll.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\hr.pak.tmp	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.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	fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe

C:\Users\Admin\AppData\Local\Temp\fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe
"C:\Users\Admin\AppData\Local\Temp\fcea2f1d7658afdeb2eea93946247edc699d54e43c418ffd54690e0ec8b62784N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1520

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-1-5-21-2718105630-359604950-2820636825-1000\desktop.ini.tmp

Filesize
203KB

MD5
9d733aafdfe3b10baf4a92bc73e5d5bd

SHA1
e22af48cef1a5369b0fb9cf7b0491bbf714524d7

SHA256
6f7ca82551f11882f2a533a106ff0cfdf36e0697e2dc8c31802c231a47bc4845

SHA512
2454cc914c735d40a55054f02fb0c84832eef698dbcdba87475a3aa02db333de5a73087ad48bb306819b387948519703972ddd92342c91c75f8527752b86c274

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

Filesize
301KB

MD5
0cbc19bcb73c50edeaddae81953b6d86

SHA1
124265def371c97b7fcd6c8e35a457a1572cd578

SHA256
0dc0080860623a39aea04486f87dc6d91150848f6bcad292fbc9e8a29ca79c4c

SHA512
6cd33d322f4c6e57b15c1b2a4c36a0aec6911dafc21b5303fd7f8189ffaa74ded0471f3686d780282105e76971d005e8711ee39826136561dae1392f06c22845

Download Submit
memory/1520-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1520-758-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download