4083081e74e0b40ed0a546667c75a8d2c1866ad41ca08ea789afa415739c2311

Analysis

max time kernel
119s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/08/2024, 01:08

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General

Target

cc6701ba409649702b36f6454e9f09a0N.exe
Size

54KB
MD5

cc6701ba409649702b36f6454e9f09a0
SHA1

36792cefeed01940b8f02f57b99f0d52ca358f97
SHA256

4083081e74e0b40ed0a546667c75a8d2c1866ad41ca08ea789afa415739c2311
SHA512

a3cca442b008f5c71238e2c8eb783a2c03f062d7d149bc0cbef2914c4feb793dbfe558daef2b899f1ddf9fca88e8b1be7ec33a6af93402f262b07cf05558f1d7
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATBWvyBh85c5ioHw:V7Zf/FAxTWoJJZENTBWv36rNa

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4662) 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/3832-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023458-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/3832-1962-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-ul-oob.xrm-ms.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-pl.xrm-ms.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\PRIVATE_ODBC32.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-180.png.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationClientSideProviders.resources.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\sound.properties.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\sunjce_provider.jar.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ul-phn.xrm-ms.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\orbd.exe.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-ppd.xrm-ms.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-memory-l1-1-0.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\classlist.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\currency.data.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\management\jmxremote.access.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Extensions.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\D3DCompiler_47_cor3.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jmap.exe.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-pl.xrm-ms.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Printing.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.Xml.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\PresentationFramework.resources.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\INTLDATE.DLL.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-black_scale-140.png.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Formats.Asn1.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationClientSideProviders.resources.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.WindowsDesktop.App.deps.json.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationProvider.resources.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ppd.xrm-ms.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-pl.xrm-ms.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fr-fr.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-utility-l1-1-0.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-ul-oob.xrm-ms.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationProvider.resources.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-ppd.xrm-ms.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sunec.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-pl.xrm-ms.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.scale-180.png.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msvcp120.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Office.PowerPivot.ExcelAddIn.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ru-RU\tipresx.dll.mui.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscorrc.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Globalization.Extensions.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.Annotations.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-006E-0409-1000-0000000FF1CE.xml.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ul-oob.xrm-ms.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\WindowsBase.resources.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\WindowsBase.resources.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\jopt-simple.md.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ul-phn.xrm-ms.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ja-jp.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\msquic.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationProvider.resources.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Input.Manipulations.resources.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Encoding.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Extensions.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Web.dll.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsyml.ttf.tmp	cc6701ba409649702b36f6454e9f09a0N.exe
File created	C:\Program Files\7-Zip\Lang\uz-cyrl.txt.tmp	cc6701ba409649702b36f6454e9f09a0N.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	cc6701ba409649702b36f6454e9f09a0N.exe

C:\Users\Admin\AppData\Local\Temp\cc6701ba409649702b36f6454e9f09a0N.exe
"C:\Users\Admin\AppData\Local\Temp\cc6701ba409649702b36f6454e9f09a0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3832

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-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp

Filesize
54KB

MD5
8eb445d828200509947567dd54d8eeb0

SHA1
cb609d60a950e649f8c54b37c42d3a2030239a46

SHA256
b7a93caf2e5d41cd4472e51f2867e68697da155cc2fe63a61ec4c4565824ebcd

SHA512
58a00884bd87c14897b2e91fc53d42f78778402ad08ce707339767ab620f3fd28ff7cff1606cc7c3d94b82e95b17db26d3f3a10cab94d2068dcc8c02d47899d6

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

Filesize
153KB

MD5
de538b33a132bc792241adf7ba53a55f

SHA1
84962ae7458a8b13c3be986190c83ba519f72690

SHA256
e3b6cc827c8eb8b7d4063e228a98ee4710cdcb1bad132a22b2d2de9d804e48ca

SHA512
a533c8adc529f89e863bbb4932fc33b69ced9c824d632eb6ef21f3d912fbf357083533f963603d3cdc874af1dcea4916f2784780a4442a5cc163afce185f812b

Download Submit
memory/3832-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3832-1962-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download