3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000

Analysis

max time kernel
150s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2024, 20:29

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General

Target

3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
Size

55KB
MD5

4505ca688eda0faffbdecf48a9e6ba91
SHA1

b743d0e3d71944c6a4657d90e21c92855236240a
SHA256

3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000
SHA512

1ad409c756d2d25eb5d862c7839369e1849329a45a52dfa0174704a46ecfaf607360aa9b141dbcb1dc1d4cee455363322628aa46ed283ddb2c17d09e35e25903
SSDEEP

768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcu90TKe+0TKeinMdj:CTWUnMdyGdy4AnAP4YrMe

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5192) 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/1612-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000233fb-2.dat	upx
behavioral2/files/0x000400000002291b-6.dat	upx
behavioral2/memory/1612-969-0x0000000000400000-0x000000000040A000-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\pl\UIAutomationProvider.resources.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\LogoDev.png.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-file-l2-1-0.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Java\jre-1.8\bin\decora_sse.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-pl.xrm-ms.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvSubsystemController.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOMessageProvider.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.NonGeneric.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Retail-ul-oob.xrm-ms.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ReachFramework.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\cldrdata.jar.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-ul-phn.xrm-ms.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-ppd.xrm-ms.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\msquic.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Algorithms.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\wpfgfx_cor3.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationClient.resources.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.VisualBasic.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\vk_swiftshader.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_KMS_Client_AE-ul.xrm-ms.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\pkeyconfig-office-client15.xrm-ms.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemXmlLinq.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC32.DLL.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-black_scale-100.png.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-black_scale-80.png.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\LibCurl64.DllA\OpenSSL64.DllA\libssl-1_1-x64.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.Design.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-ppd.xrm-ms.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_PrepidBypass-ul-oob.xrm-ms.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\flavormap.properties.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTrial-pl.xrm-ms.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\directshow.md.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Subscription-ul-oob.xrm-ms.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_PrepidBypass-ppd.xrm-ms.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ul-phn.xrm-ms.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-pl.xrm-ms.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\TipTsf.dll.mui.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jstat.exe.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\management\management.properties.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\rsod\osmuxmui.msi.16.en-us.boot.tree.dat.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\FOLDER.ICO.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mfc140u.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\el\msipc.dll.mui.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\giflib.md.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ul-oob.xrm-ms.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-ul-oob.xrm-ms.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHLEX.DAT.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationTypes.resources.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.AeroLite.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationTypes.resources.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Console.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogoCanary.png.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\wxpr.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Forms.resources.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\WindowsFormsIntegration.resources.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\ReachFramework.resources.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\WindowsBase.resources.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-pl.xrm-ms.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\7-Zip\Lang\es.txt.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscorlib.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ServiceProcess.dll.tmp	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.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	3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe

C:\Users\Admin\AppData\Local\Temp\3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe
"C:\Users\Admin\AppData\Local\Temp\3c420e54acd6aa950d23b14b6aed8f91771360b0076a1cce46b8bfbc7aae3000.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1612

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-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp

Filesize
55KB

MD5
365f5da4070b4c9e9b2077df96590bf4

SHA1
e078c625d88bfe859c4d2040cc5e81f6e662c667

SHA256
c7e16741aee1be2f1e4b5a461cf9edd8edda131c86ed88be2843788cd2a4f419

SHA512
d8de5e4cb13e0e24fe7111ef0096861baaada1defa65e63d35eef8180dc8210ac85bb48b915624ecb3da23861ebda23fd34101e4840a7eb02e54ea7e6f6ac92d

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

Filesize
154KB

MD5
d10d2c87c2b697dfacc19c9bc7e747cb

SHA1
47598f5305dc0f65396fcdba7275cf37f99b98be

SHA256
925c4de3b7a1d28a1c368cad48b3e594575c74465a55f4bf9d56aeb401e268b1

SHA512
4deb171c40cc3f21ddafb85a3d6e8d1806f99ae1233745c0d7fc18074ef9bae4462ff2b66c164b50175bf03706da988b38dac60208d394dfdde778a60b732e76

Download Submit
memory/1612-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1612-969-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download