1514af646f19a9463f0b06ed69df94b354dbd2979c22b80f0ad49ae02d925506

Analysis

max time kernel
120s
max time network
101s
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 09:12

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General

Target

a5618b9e920bb0df8e3c0a7e419d8780N.exe
Size

194KB
MD5

a5618b9e920bb0df8e3c0a7e419d8780
SHA1

d5457f297f057d977d3aae202a8897b8cdb24453
SHA256

1514af646f19a9463f0b06ed69df94b354dbd2979c22b80f0ad49ae02d925506
SHA512

65a25e2c3c104d1dfd2117997068e93bb4cdf8bf5f3d7b45978c44caab3567f1a04f3aff57ca054054a38060339d8ba157b37eca8f17801321a31c5921848a6f
SSDEEP

3072:6e7WpMNca3rytOkWpXfnYRl2l/9HSFHzJ0lBJTzkB:RqKB+tOkWKR0iJ0lTzkB

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4202) 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\7-Zip\Lang\ku.txt.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\TipRes.dll.mui.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.InteropServices.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.FileVersionInfo.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Input.Manipulations.resources.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Primitives.resources.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\classlist.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\libpng.md.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.Extensions.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\Microsoft.VisualBasic.Forms.resources.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCalls.h.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.EventBasedAsync.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\WindowsBase.resources.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\management\jmxremote.access.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-ppd.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-ul-oob.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\mraut.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Controls.Ribbon.resources.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_KMS_Client-ppd.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_SubTrial-ppd.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Trial-ppd.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-pl.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.CSharp.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\management.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Trial-ppd.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\WindowsFormsIntegration.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-pl.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationUI.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Forms.Primitives.resources.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_ConsumerSub_Bypass30-ul-oob.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-stdio-l1-1-0.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Cng.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-profile-l1-1-0.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Common Files\System\ado\es-ES\msader15.dll.mui.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial1-ppd.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Claims.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sr.pak.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-pl.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-ul-oob.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-ppd.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.resources.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Input.Manipulations.resources.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_MAK_AE-pl.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTest-pl.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.resources.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsita.xml.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-handle-l1-1-0.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Mail.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Extensions.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationProvider.resources.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Controls.Ribbon.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebHeaderCollection.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\relaxngdatatype.md.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ppd.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_K_COL.HXK.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_MoveDrop32x32.gif.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win10_RTL.mp4.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-ppd.xrm-ms.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-string-l1-1-0.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\WindowsFormsIntegration.resources.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Diagnostics.PerformanceCounter.dll.tmp	a5618b9e920bb0df8e3c0a7e419d8780N.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	a5618b9e920bb0df8e3c0a7e419d8780N.exe

C:\Users\Admin\AppData\Local\Temp\a5618b9e920bb0df8e3c0a7e419d8780N.exe
"C:\Users\Admin\AppData\Local\Temp\a5618b9e920bb0df8e3c0a7e419d8780N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5064

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
194KB

MD5
e49c5c7d5262dbd5a0872011a449bfe1

SHA1
1626de67583b0c8bd40c4122a2f8d2ae9fade86c

SHA256
df39bdaca0eca49fccc412c6bed43f5c8300b6e32837ce1cdce61e7d77677e4f

SHA512
72fac9a3b9d9071fde813d2ed09fca15941e1003f6f746a95a98c6c6727150938073d5256a8db130ebd870820957c623d59d17ee806b5bd8ba5e434f878c4267

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

Filesize
293KB

MD5
c8c601e1e0e683b00cd91e2e33ec3231

SHA1
38529e532e0ed1063ba70b52aba745c82f1c5cca

SHA256
23044b458437a9e3196fcaa0fae65d4ba3db957918dc69d87b520695e2fa55bf

SHA512
d8fd45904938decfd73422080a1b1726d36400fd9874bbd630830a7703cce69756b1da8e845051997a57f83eee585ba11836c143af6a76d065ca837257356de6

Download Submit