38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-10-2024 20:26

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General

Target

38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
Size

89KB
MD5

b7e886a198a6f324a7dc33ebb9ee8af4
SHA1

60cd011e72cdfcd1b3a9f84af751c5bca10a4e9d
SHA256

38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8
SHA512

92508c5f4d4bdf1bb73f2a399f275bfdaa3ac42e5ddd179e8071f1eeadcfdc689d09a089256ba590b2ad6aefc9680ef381746bc05f0faa093a2150a1cfa5d3c2
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY5KwA:fnyiQSox5KwA

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5018) 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/4464-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023490-2.dat	upx
behavioral2/files/0x0014000000022913-6.dat	upx
behavioral2/memory/4464-860-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-ppd.xrm-ms.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Accessibility.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-white_scale-100.png.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000049\index.win32.bundle.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Linq.Expressions.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ValueTuple.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.EventLog.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationClient.resources.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\policy\unlimited\local_policy.jar.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Trial-pl.xrm-ms.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsel.xml.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Quic.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.Win32.Registry.AccessControl.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\vk_swiftshader_icd.json.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntime2019R_PrepidBypass-ul-oob.xrm-ms.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledbjvs.inc.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\coreclr.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Globalization.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\PresentationUI.resources.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-file-l2-1-0.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ul-oob.xrm-ms.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART13.BDR.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.VisualBasic.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\UIAutomationClient.resources.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipschs.xml.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-handle-l1-1-0.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.UnmanagedMemoryStream.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\msotdintl.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL106.XML.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Common Files\System\ado\msadrh15.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.Win32.SystemEvents.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Java\jdk-1.8\jre\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Retail-pl.xrm-ms.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial4-ul-oob.xrm-ms.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientARMRefer_eula.txt.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\fi\msipc.dll.mui.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Redshift\lib\sbicudt53_64.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Design.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-namedpipe-l1-1-0.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\[email protected]	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Grace-ppd.xrm-ms.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTest-ul-oob.xrm-ms.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\WHOOSH.WAV.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationProvider.resources.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\WindowsFormsIntegration.resources.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Aero.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-string-l1-1-0.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ul-oob.xrm-ms.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Forms.resources.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationTypes.resources.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.Native.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\WindowsFormsIntegration.resources.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Forms.resources.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\PresentationFramework.resources.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sawindbg.dll.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Office16\DIFF_MATCH_PATCH_WIN32.DLL.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
File created	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe.tmp	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.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	38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe

C:\Users\Admin\AppData\Local\Temp\38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe
"C:\Users\Admin\AppData\Local\Temp\38a010ad1509855e59808d92cc311fa735417e69bca8c50c48982d97a8eba5d8.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4464

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-1-5-21-656926755-4116854191-210765258-1000\desktop.ini.tmp

Filesize
89KB

MD5
7b89b4128b05b86f197dcd5bfd0ec35b

SHA1
af8d1b642ba035468b2793515a9ad1a142c242ea

SHA256
193f56389df787242505f584c66bb2935b101ec732ed3e299e7b376aaa7d5843

SHA512
363c5b876d9524cf5d3d9af2564c9b067d5b9ca1e809c24437aa91ae7379d4b9d8210787a7a23632b74fa99a88f93ff2fe1693577f99ce6bf95164807dc7c48a

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

Filesize
188KB

MD5
d2adfec5b5a9a26cd327b9451f65ed47

SHA1
0bbf393a5e6af43567ea87d68ac19ab5580bdb30

SHA256
bf02907f2c280f8f482b75a0d5aa94b97b8f45145fc181203a2959e4d223cd64

SHA512
12a778e71c6167424096a3c1857eefcc4510889be03d6683c4b3cef3aa72849050352f23266cd3eaac626593b69bdcdc71d47e2843d321353219574b590ff987

Download Submit
memory/4464-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4464-860-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download