3deeb2b2878a8782d5e29d4d5b41e0795e30f5998ffb514aac20a5b5cfd5003a

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-09-2024 02:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4a30a6d7f6afeb7d816c8669df998880N.exe
Size

71KB
MD5

4a30a6d7f6afeb7d816c8669df998880
SHA1

670392a3afa3790f8ba5efe99c9b0c8b4c99bde2
SHA256

3deeb2b2878a8782d5e29d4d5b41e0795e30f5998ffb514aac20a5b5cfd5003a
SHA512

61870d157f1e1c2b0d1b220dafec444735c015c0b9f36982eaa5e96b19d2d648485dc19fc2eedede389577cf755f805032deaf7b2a1abda44e16e518e7323d8e
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9CBT37CPKKdJJ1EXBwzE4:V7Zf/FAxTWoJJ7TiTW7JJ7TtR1

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4651) 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/4936-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002341f-2.dat	upx
behavioral2/files/0x000c0000000220a6-6.dat	upx
behavioral2/memory/4936-924-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\InstallerMainShell.tlb.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.EventBasedAsync.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription-ppd.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_KMS_Client-ul.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-ppd.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ul-oob.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\vcruntime140.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\relaxngcc.md.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_KMS_Automation-ppd.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-ul-oob.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\7-Zip\Lang\da.txt.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-file-l1-2-0.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-conio-l1-1-0.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCHART.DLL.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordaccore.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationTypes.resources.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Grace-ppd.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Trial-ul-oob.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.ReportingServices.Interfaces.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.RegularExpressions.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemXmlLinq.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\bci.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\icu_web.md.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Cng.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.Win32.Primitives.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\UIAutomationTypes.resources.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial2-ppd.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription1-ul-oob.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Configuration\ssn_high_group_info.txt.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.DiaSymReader.Native.amd64.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\ReachFramework.resources.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\th.pak.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Xaml.resources.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Drawing.Common.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Microsoft.Office.PolicyTips.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Office.PowerPivot.ExcelAddIn.tlb.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\vstoee90.tlb.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.HttpUtility.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\UIAutomationClientSideProviders.resources.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Java\jre-1.8\bin\prism_sw.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-ul-oob.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Trial-ul-oob.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Input.Manipulations.resources.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-ul-oob.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-ul-phn.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-ul-oob.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Shims.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.DiaSymReader.Native.amd64.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.AeroLite.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jsoundds.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Java\jre-1.8\bin\kinit.exe.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-ul-oob.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp6-ul-phn.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-runtime-l1-1-0.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-ul-phn.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-xstate-l2-1-0.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Java\jre-1.8\bin\management.dll.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Java\jre-1.8\lib\cmm\CIEXYZ.pf.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaSansRegular.ttf.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-ul-oob.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial2-ppd.xrm-ms.tmp	4a30a6d7f6afeb7d816c8669df998880N.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	4a30a6d7f6afeb7d816c8669df998880N.exe

C:\Users\Admin\AppData\Local\Temp\4a30a6d7f6afeb7d816c8669df998880N.exe
"C:\Users\Admin\AppData\Local\Temp\4a30a6d7f6afeb7d816c8669df998880N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4936

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp

Filesize
72KB

MD5
988d96f41ae1d0907bc0e90a8927c2bd

SHA1
31a9765bb291ca47fb230bb4953b43e31b41ea88

SHA256
840ee1f80520b96aee5f0141ed5777bdd4ce2771932aa0b003508ed4ce00b37d

SHA512
a42623ed72999b7c818aea1cbf98fadd202fee7cf86daaaac56ef8acea0f09944557ff3c170e1c5d23e676d7b5298fcef35859c751922d1259e699db1724e0df

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

Filesize
170KB

MD5
7e2c8e01f7596ed28288b7fffc4608f8

SHA1
fc3e3598673eab1683a91a91ebeab111f3e06c30

SHA256
2b4a3eea208219e1788459bbec9c220bb69d1d244e3808716b0e6ea4ee3e51bb

SHA512
ec5d4b6dfaf950e7a00fc617ba27a2e1ffb91ba9ad2e1423d39720e3adb4bb3d65ad70d1800a6bd3feddd29795082d87dcabaa5292437da7c680b88ee58d9a6c

Download Submit
memory/4936-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4936-924-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download