4dbf920666a59c059ac1a848810469198d2358c5eac1b27202d90b34c187e3ef

Analysis

max time kernel
120s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-09-2024 06:40

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General

Target

5f452f00721aca763e18e8770ca477c0N.exe
Size

26KB
MD5

5f452f00721aca763e18e8770ca477c0
SHA1

703e3b330f0903a204480db251ffe70b60644a81
SHA256

4dbf920666a59c059ac1a848810469198d2358c5eac1b27202d90b34c187e3ef
SHA512

0a989008eb3e1ae44a4d19a01da8b4802259681702819b2a2430ab5a8d2d1b8897a1a87c3a48843fedb7b5ed0e231ed9627b4fa48517518c0624de11fc4a6eba
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJ1Evd5BvhzaM9mSIEvd5BvhzaM9mSsxmMxm9+9RS2:kBT37CPKKdJJ1EXBwzEXBwdcMcI9H

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4694) 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/1512-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000900000002346d-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/1512-935-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\dynalink.md.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-ul-oob.xrm-ms.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemXml.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial5-ppd.xrm-ms.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\BCSRuntimeRes.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-ul-phn.xrm-ms.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsym.ttf.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msotelemetry.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Common Files\System\ado\msador15.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\unlimited\US_export_policy.jar.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.osmuxmui.msi.16.en-us.xml.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-pl.xrm-ms.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ul.xrm-ms.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\ReachFramework.resources.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\PresentationFramework.resources.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\ReachFramework.resources.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\psfont.properties.ja.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-ppd.xrm-ms.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Xaml.resources.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\7-Zip\Lang\kk.txt.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Resources.ResourceManager.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Accessibility.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-white_scale-100.png.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy.jar.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-ppd.xrm-ms.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\TURABIAN.XSL.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.vi-vn.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\LogoCanary.png.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-pl.xrm-ms.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-pl.xrm-ms.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeServiceBypassR_PrepidBypass-ppd.xrm-ms.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_logo.png.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\WindowsFormsIntegration.resources.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Luna.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-environment-l1-1-0.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-pl.xrm-ms.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\Invite or Link.one.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\7-Zip\Lang\ku.txt.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Common Files\System\ado\msado60.tlb.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\mr.pak.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\amd64\jvm.cfg.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\EditCompress.xps.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-processthreads-l1-1-0.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ul-phn.xrm-ms.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Common Files\System\ado\msador28.tlb.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Forms.Primitives.resources.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ul-phn.xrm-ms.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msdaremr.dll.mui.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Century Gothic-Palatino Linotype.xml.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Office.PowerPivot.ExcelAddIn.tlb.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msdaprsr.dll.mui.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ca\msipc.dll.mui.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\PresentationCore.resources.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Input.Manipulations.resources.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Royale.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\orb.idl.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Grace-ppd.xrm-ms.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD.HXS.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\7-Zip\Lang\tk.txt.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Xml.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\PresentationUI.resources.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Forms.Design.resources.dll.tmp	5f452f00721aca763e18e8770ca477c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-ppd.xrm-ms.tmp	5f452f00721aca763e18e8770ca477c0N.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	5f452f00721aca763e18e8770ca477c0N.exe

C:\Users\Admin\AppData\Local\Temp\5f452f00721aca763e18e8770ca477c0N.exe
"C:\Users\Admin\AppData\Local\Temp\5f452f00721aca763e18e8770ca477c0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1512

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-1-5-21-786284298-625481688-3210388970-1000\desktop.ini.tmp

Filesize
26KB

MD5
1e456db951bd505c2f36247cbad9471f

SHA1
beaed2174e38b6f20fdcc6b31603b326380cbc87

SHA256
06f501d50792e99fefb9b40234dd7164ca4932ac27ef831723390d11489982fe

SHA512
c099411650f6f32c3b4726d83eb8c9697239ea05e71f3569d9d0fc455787c2ef0f72023e31e7d3efc7327a8bb01c65aa6958833ce960c2dd1aa086364cc97fc0

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

Filesize
125KB

MD5
cd681ede736c5012271c4d66e22775a8

SHA1
fe10d9e1f2ae6b4e0029124203daab6850506a19

SHA256
d5ffb3ab0d23ae78be8cf15eeb26a0a783c6e046fd1f71ad3ba3ee37dee8822c

SHA512
959cde70af3e1f20304f8aab1d4a9342a6afb5227d808846225cf7e32b0cef16f22b3cf0542aa69b9639edac95c75892c8ae537cd1d017c749e43c210ff3fe12

Download Submit
memory/1512-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1512-935-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download