c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 03:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
Size

76KB
MD5

86122796e7f00b59bd5114bb6472e9f0
SHA1

e776d4fb739ed7a3c2dbaa06d1d4ab7debfc05c9
SHA256

c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428
SHA512

bf1a075a29ee953c0ee974fa1af258c411b2c7523530ed11c653b3998bb59524a02530a95ae0f1fb44426a4dfbc1cc0ed4f8895c1b277e18378045f8ac1105e3
SSDEEP

1536:CTWn1++PJHJXA/OsIZfzc3/Q8wYeHNm5EvDxfIyKoIWbsHfySkT5GeCyi348oWGO:KQSodYeHNmkDxfIyKoIWbsHfySkT5Ges

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4311) 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/1968-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000c000000023b1f-2.dat	upx
behavioral2/files/0x0004000000022902-6.dat	upx
behavioral2/memory/1968-664-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.Brotli.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ValueTuple.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationProvider.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\PresentationUI.resources.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\7-Zip\License.txt.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Drawing.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationProvider.resources.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.Design.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\AssertOut.vbe.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Grace-ul-oob.xrm-ms.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-pl.xrm-ms.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\7-Zip\Lang\ps.txt.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-dayi.xml.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOLoader.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.ZipFile.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Permissions.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientOSub_eula.txt.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\wpfgfx_cor3.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\npt.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\jvm.lib.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-ppd.xrm-ms.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_KMS_Automation-ppd.xrm-ms.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-pl.xrm-ms.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SkypeForBusinessBasic2019_eula.txt.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.TraceSource.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\net.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\accessibility.properties.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Grace-ppd.xrm-ms.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ul-oob.xrm-ms.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ppd.xrm-ms.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-file-l1-2-0.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-convert-l1-1-0.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\jpeg_fx.md.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\icu.md.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest-pl.xrm-ms.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientLangPack_eula.txt.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.Native.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdatl3.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Extensions.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\vcruntime140_cor3.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.osmuxmui.msi.16.en-us.xml.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Trial-pl.xrm-ms.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Windows.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\java.policy.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jli.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-environment-l1-1-0.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\xerces.md.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\POWERPNT_F_COL.HXK.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\CHICAGO.XSL.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Controls.Ribbon.resources.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\WindowsFormsIntegration.resources.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_MAK-pl.xrm-ms.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-ul-oob.xrm-ms.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Grace-ul-oob.xrm-ms.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\7-Zip\Lang\tg.txt.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsFormsIntegration.resources.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\default_apps\external_extensions.json.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\msvcp140.dll.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-ul-oob.xrm-ms.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-ppd.xrm-ms.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-ul-phn.xrm-ms.tmp	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.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	c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe

C:\Users\Admin\AppData\Local\Temp\c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe
"C:\Users\Admin\AppData\Local\Temp\c3d0671db61ff069424f05d5cfaf511a3659dd257405ae09c6d9ac57b6cb9428N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1968

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-1-5-21-493223053-2004649691-1575712786-1000\desktop.ini.tmp

Filesize
76KB

MD5
f0d1bb07382c81983ab847cfd3ca3420

SHA1
313bb52fe9232adc5bafd5bb193e7656af1a93a2

SHA256
caa2a3e958e21aacaca146f29d48a5769432b153eae326b6c22ec350bf465514

SHA512
6a6c9ce3c4d014baed776dc621fffddaa55d4918ddd58f7fd1a0c7f2c299865734bb5653e17b9f06366b5858d55d0bf102c0d0c91759bc878ecdcb1516f35169

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

Filesize
175KB

MD5
94455a4b42ef29e0fbb24016d72e5206

SHA1
ca0bf44de22248a64edc15eafd6a074ce298b2ff

SHA256
467da581318c3217a24085bdf2ffb30a6094f4be2f5e22af2600626e877e21ae

SHA512
7ae23f0fc1fa5e0fb76570ec0cac0f0b7343b7b21a1032f321b76cbbf5df6757326a1d035eb06bc4c47ae273df8e020cf56710a9761aa4c9b580b0d9c0fd775d

Download Submit
memory/1968-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1968-664-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download