81b2ee8ad7826f1ac7fa1a9d4367a32a0c73fe2fb01d0930401d85e41f0cbaf0

Analysis

max time kernel
120s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 08:49

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General

Target

672b7133a313afd9ec5178569a8bb170N.exe
Size

75KB
MD5

672b7133a313afd9ec5178569a8bb170
SHA1

9ba858230c3e0df0bd652767bff92da8f0a7fd4b
SHA256

81b2ee8ad7826f1ac7fa1a9d4367a32a0c73fe2fb01d0930401d85e41f0cbaf0
SHA512

8fcd63471bd3b57759e574f5776ce3fbcca200e63dba2a098e059bce1092403cf327cbfecf3d88efa90df9a9275829912b9e0630c80824ebf14eadfcc1535a77
SSDEEP

1536:/7ZQpApze+eJfFpsJOfFpsJ5DVSWu0SWut:9QWpze+eJfFpsJOfFpsJ5DVSWu0SWut

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4505) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

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.Security.Cryptography.Cng.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\mlib_image.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Century Gothic.xml.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-ppd.xrm-ms.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.ReportingServices.ProgressiveProcessing.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientLangPack_eula.txt.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Tracing.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\PresentationFramework.resources.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0115-0409-1000-0000000FF1CE.xml.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Median.xml.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-pl.xrm-ms.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sl.pak.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Trial-pl.xrm-ms.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-locale-l1-1-0.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win7_RTL.wmv.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\es-ES\msinfo32.exe.mui.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.FileVersionInfo.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.NameResolution.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\C2R64.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_KMS_Client-ul-oob.xrm-ms.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Common Files\System\ado\msader15.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.FileSystem.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.ProtectedData.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\msvcp140.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_OEM_Perp-ul-phn.xrm-ms.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-ppd.xrm-ms.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-string-l1-1-0.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\excel.exe.manifest.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.InteropServices.RuntimeInformation.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\7-Zip\Lang\pl.txt.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\7-Zip\Lang\pt-br.txt.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\desktop.ini.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jfr.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\sRGB.pf.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp2-pl.xrm-ms.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-ppd.xrm-ms.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ppd.xrm-ms.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.CoreLib.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Formats.Tar.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.resources.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationTypes.resources.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\splash.gif.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Grace-ppd.xrm-ms.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Document.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Design.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\net.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\zlib.md.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusDemoR_BypassTrial180-ppd.xrm-ms.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\CHICAGO.XSL.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsptb.xml.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\WindowsBase.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Diagnostics.EventLog.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\relaxngdatatype.md.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntimeR_PrepidBypass-ul-oob.xrm-ms.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Retail-ppd.xrm-ms.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipskor.xml.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msdaprsr.dll.mui.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Trial-pl.xrm-ms.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\PresentationCore.resources.dll.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunmscapi.jar.tmp	672b7133a313afd9ec5178569a8bb170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\ReachFramework.resources.dll.tmp	672b7133a313afd9ec5178569a8bb170N.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	672b7133a313afd9ec5178569a8bb170N.exe

C:\Users\Admin\AppData\Local\Temp\672b7133a313afd9ec5178569a8bb170N.exe
"C:\Users\Admin\AppData\Local\Temp\672b7133a313afd9ec5178569a8bb170N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1092

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4328,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4292 /prefetch:8
1⤵
PID:5000

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-1-5-21-2170637797-568393320-3232933035-1000\desktop.ini.tmp

Filesize
75KB

MD5
1ada9ae80d9ba6d664a1684fcdc20132

SHA1
aa3b72fb24a1b3362fb3c6ccce323c7796ea5563

SHA256
ecf8a3c82dd2379c24e29d6cc6fe09e1a922eab07da6930b58419e8642203939

SHA512
6a62f6da95a219df1b98335cbfffc9576a447e24abed1072e7caec9d7fbe98abb730062d3b99469067ddd65466e93af605098a7ffc48e6323f503f2f791f5ebb

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

Filesize
187KB

MD5
4912b5c59308aceaf7b9d2f7b33bf144

SHA1
451f84f5d2d9968f54ace7c9a3a0b2c8e1075704

SHA256
d8720dfe9538144d70913ee3b1745802d7c90445a7d3ae07d800d7f915f80974

SHA512
c2a5b2eaff5c6964c0d33f350fcf7bc20fcaa83815567b17e4d47aaa51140f9a3ae8bdeede79f943a06d488331b22d82a593c2f441c210b07602a5b135aefc7b

Download Submit
memory/1092-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1092-810-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download