c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274d

Analysis

max time kernel
119s
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
10/10/2024, 05:21

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General

Target

c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
Size

56KB
MD5

9c3e7a737e45f3907ceaabca522b10d0
SHA1

3c8ad9eb44378ad9464c0bd9939169194101077a
SHA256

c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274d
SHA512

5f13af2bb000afb5429f6d1c3828e38011782a981e70d8d7c239f551409388c1270dee1f1437871df6ccf03bcf78e24aefe5c2f78dbae16aebc429a7c632f1b6
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATBHfBo8o3PSqG:V7Zf/FAxTWoJJZENTBHfiPW

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4648) 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/4716-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b9c-2.dat	upx
behavioral2/files/0x0004000000022902-6.dat	upx
behavioral2/memory/4716-784-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre-1.8\bin\ucrtbase.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\public_suffix.md.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerView.PowerView.x-none.msi.16.x-none.xml.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\7-Zip\Lang\gu.txt.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsFormsIntegration.resources.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\PresentationCore.resources.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jfr\default.jfc.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\FUNCRES.XLAM.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\mshwLatin.dll.mui.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\TipRes.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationUI.resources.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Java\jre-1.8\bin\servertool.exe.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msdaprsr.dll.mui.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-synch-l1-1-0.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial5-ppd.xrm-ms.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_BypassTrial180-ppd.xrm-ms.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_KMS_Automation-ppd.xrm-ms.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-black_scale-100.png.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\TipRes.dll.mui.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Pipes.AccessControl.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Input.Manipulations.resources.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\webkit.md.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationTypes.resources.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.DirectoryServices.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\bn.pak.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\public_suffix_list.dat.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\7-Zip\Lang\be.txt.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.DriveInfo.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\ReachFramework.resources.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-ppd.xrm-ms.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_OEM_Perp-ul-phn.xrm-ms.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\pt-PT.pak.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\bci.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_MoveNoDrop32x32.gif.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial1-pl.xrm-ms.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\hostpolicy.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Controls.Ribbon.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-ul-oob.xrm-ms.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-ul-phn.xrm-ms.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\PresentationFramework.resources.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-heap-l1-1-0.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_MoveNoDrop32x32.gif.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SkypeForBusinessBasic2019_eula.txt.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsnor.xml.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Timer.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\swidtag\Microsoft Windows Desktop Runtime - 6.0.27 (x64).swidtag.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\zh-TW.pak.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-ppd.xrm-ms.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.FileSystem.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Input.Manipulations.resources.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationProvider.resources.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome.dll.sig.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription1-pl.xrm-ms.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp4-pl.xrm-ms.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.ReportDesign.Common.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\WindowsFormsIntegration.resources.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.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	c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe

C:\Users\Admin\AppData\Local\Temp\c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe
"C:\Users\Admin\AppData\Local\Temp\c8746016e0e5fee269d9a00d4de9b924b5a09281e6e4c1f12c7f579587c8274dN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4716

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
56KB

MD5
c2292a80c994c780bfead908ddd57d8f

SHA1
6d29146df1a556013b92f62377c4e01e55ba351d

SHA256
9b51d936aaf5828ec11e8423bd504cbaf7c0f194542eb8be3513e128e610f917

SHA512
e23e538902398f8b0cbbb17c1e0f6c87d2335a9f2ca158ade11182ecbf7f6358edda4401bbe4174cb8f0f1a0711deae7586beba16e01652a824bb40aee159f83

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

Filesize
155KB

MD5
1ae40f4958439fb54229a52837c7cca8

SHA1
087e504aaf507cfae0e727a2706ea205851ac4d1

SHA256
50a303ef01808907d5fe5bdfb7f606f3028b15efd139ef1f9a3afc977962078a

SHA512
03d7af012e355fc8cc69104ad13f09641447035a651732988facb21e0f31b088c4bcc27e1f970b43fab34c4640c78d767b7ff8838ce13b42d2cffd21ad4eeacf

Download Submit
memory/4716-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4716-784-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download