be81b6175de89ed930e806708b2e31f4e7c762677580d163faffcf965fdf2f14

Analysis

max time kernel
120s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 10:14

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General

Target

b0ff4bda7638471fed3f188c903883a0N.exe
Size

67KB
MD5

b0ff4bda7638471fed3f188c903883a0
SHA1

c212f19276ff76267bc4902e96f2992c2cfa5d57
SHA256

be81b6175de89ed930e806708b2e31f4e7c762677580d163faffcf965fdf2f14
SHA512

eefcfaf9d511539a735f98ba0dbf62ceb75517e5d121c9161d4b7757c07e5d34c1add2b24219f23b07b85c1b8e311f0dc5c6b33102e5ce0a5c00c5388a1e8b6f
SSDEEP

1536:/7ZQpApze+eJfFpsJOfFpsJ9VD6NVD6GUhYTYk:9QWpze+eJfFpsJOfFpsJjub8k

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4651) 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\Java\jdk-1.8\jre\lib\psfont.properties.ja.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\msquic.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\Microsoft.VisualBasic.Forms.resources.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Times New Roman-Arial.xml.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.FileSystem.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-ul-phn.xrm-ms.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R64.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Forms.Primitives.resources.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\ReachFramework.resources.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_MAK-ppd.xrm-ms.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Trial-ul-oob.xrm-ms.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Trial-ul-oob.xrm-ms.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\7-Zip\Lang\fa.txt.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ppd.xrm-ms.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.Diagnostics.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\thaidict.md.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Trial-pl.xrm-ms.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\nb-NO\tipresx.dll.mui.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\servertool.exe.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.Uri.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-pl.xrm-ms.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AugLoop\bundle.js.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\7-Zip\Lang\gl.txt.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ReachFramework.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jsdt.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-ppd.xrm-ms.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-ppd.xrm-ms.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\7-Zip\Lang\mng.txt.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationProvider.resources.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ObjectModel.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemData.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Controls.Ribbon.resources.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\deploy.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_KMS_Client-ul-oob.xrm-ms.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.DataIntegration.FuzzyMatchingCommon.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART8.BDR.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\7-Zip\Lang\ps.txt.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Extensions.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\mesa3d.md.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.dll.manifest.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.UnmanagedMemoryStream.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscorrc.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsFormsIntegration.resources.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\7-Zip\Lang\fur.txt.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationProvider.resources.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\vcruntime140_1.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationProvider.resources.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-time-l1-1-0.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ppd.xrm-ms.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Grace-ppd.xrm-ms.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\EXCEL.VisualElementsManifest.xml.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000009\FA000000009.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationClient.resources.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE.HXS.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\POWERPNT_COL.HXT.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_f33\FA000000033.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\prism_sw.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jsdt.dll.tmp	b0ff4bda7638471fed3f188c903883a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_PrepidBypass-ul-oob.xrm-ms.tmp	b0ff4bda7638471fed3f188c903883a0N.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	b0ff4bda7638471fed3f188c903883a0N.exe

C:\Users\Admin\AppData\Local\Temp\b0ff4bda7638471fed3f188c903883a0N.exe
"C:\Users\Admin\AppData\Local\Temp\b0ff4bda7638471fed3f188c903883a0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4016

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
67KB

MD5
b155021475ca3d0b1ed7c3eff8f1aee9

SHA1
d7a97aafda9a8d9184c608f8de7d83442fc5bb2d

SHA256
b5e43f1906da433bbeaf2d7f91dd9e47abd0469a1cd4b9ab7ec004cfe9938ebd

SHA512
e59482876855219ff1b0bd09887277a06921b359d76f4a83dbd1a8739e742fb21e70ba1838cd1fcd53f984d83f1149cfa48f4b18a0e07a270f9fb79de178f077

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

Filesize
166KB

MD5
b72d8319f8f64c2d40e2e09c68d637db

SHA1
40507f4692dfeab2804d7c4ac9e6d814fb8fe382

SHA256
4006b1cac033f3a782c08fb1dcd3ed263f787121b8c437bff5bc12cfa6219954

SHA512
cb1824d2cd9c87f6874326ac9448a1b9d9326e07d2248836a7b1af914094d02d6181bf3a84fec2034581e742691acc756d8da5cb1f6316dd812820daa3581c3b

Download Submit
memory/4016-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4016-864-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download