0679fb934187386f9a1a8a3f7cfd08ae7c3d7bb3becd9caf9fa4fdeea1c3ed57

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
02/09/2024, 07:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

25b9aae5b5370af81a827f48ee32e9b0N.exe
Size

98KB
MD5

25b9aae5b5370af81a827f48ee32e9b0
SHA1

440eced12e10b312b37877e5b02afacc823b93fc
SHA256

0679fb934187386f9a1a8a3f7cfd08ae7c3d7bb3becd9caf9fa4fdeea1c3ed57
SHA512

d9bbaf87cdea99d6eeee44794f987050a31244a48c0b69cb1fc3e6064c5f53efc61c6a49ed60647ccecef6128216963aa3d160ce38f4253119013fce6ebd377a
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxviYiaEWYMjp:fnyiQSo4iYiIYMjp

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4634) 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/460-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233e2-2.dat	upx
behavioral2/files/0x0008000000023433-6.dat	upx
behavioral2/memory/460-888-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHKEY.DAT.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsjpn.xml.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\zipfs.jar.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AUDIOSEARCHMAIN.DLL.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\7-Zip\Lang\va.txt.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Metadata.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-ul-oob.xrm-ms.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_COL.HXC.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCONTROL.DLL.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-process-l1-1-0.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\tzmappings.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-white_scale-80.png.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\pkcs11cryptotoken.md.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_KMS_Client-ppd.xrm-ms.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\ant-javafx.jar.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscorlib.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\xjc.exe.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\DIFF_MATCH_PATCH_WIN32.DLL.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sk-SK\tipresx.dll.mui.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Internet Explorer\hmmapi.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Proof.Culture.msi.16.en-us.xml.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Trial-ppd.xrm-ms.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-white_scale-80.png.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.WebSockets.Client.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Controls.Ribbon.resources.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Xaml.resources.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Excel.Extensions.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\hostpolicy.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemCore.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Author2XML.XSL.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelCtxUICellLayoutModel.bin.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Xaml.resources.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Grace-ppd.xrm-ms.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Input.Manipulations.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationCore.resources.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_OEM_Perp-ppd.xrm-ms.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-pl.xrm-ms.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_K_COL.HXK.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\7-Zip\7zCon.sfx.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Overlapped.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Input.Manipulations.resources.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_pt_BR.properties.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationCore.resources.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-timezone-l1-1-0.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial5-pl.xrm-ms.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-white_scale-180.png.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mip_telemetry.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOARIACAPI.DLL.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\mshwLatin.dll.mui.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encoding.CodePages.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\localedata.jar.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaTypewriterBold.ttf.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-ul-oob.xrm-ms.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.AccessControl.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Google\Chrome\Application\chrome.exe.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\psfont.properties.ja.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\lcms.md.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Grace-ppd.xrm-ms.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-pl.xrm-ms.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_KMS_Client_AE-ul.xrm-ms.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ul-oob.xrm-ms.tmp	25b9aae5b5370af81a827f48ee32e9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationNative_cor3.dll.tmp	25b9aae5b5370af81a827f48ee32e9b0N.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	25b9aae5b5370af81a827f48ee32e9b0N.exe

C:\Users\Admin\AppData\Local\Temp\25b9aae5b5370af81a827f48ee32e9b0N.exe
"C:\Users\Admin\AppData\Local\Temp\25b9aae5b5370af81a827f48ee32e9b0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:460

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-1-5-21-786284298-625481688-3210388970-1000\desktop.ini.tmp

Filesize
98KB

MD5
331bb6b7b7823f654e21746c092ad754

SHA1
b099f1e14a37c2dcc561537081b7bd2e9493c19c

SHA256
482b97efcce1b5945eceb575682ed6ce86011180b300e69b93566378ddeca888

SHA512
fbbe527b64f71184a32aac2be8d943f37031dd244ff0096f9845739dfedbbcdf1f7dd9ec8df0c23703f32791034e5cd3d19aab69b4ae4230ba371f05703523b1

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

Filesize
197KB

MD5
58497dc6aa039f8445c1778237d876b3

SHA1
7bb580f110fce7b3987ae7d6bf4bde265225b9cb

SHA256
44b2edc9dea45d20e0d21e1e3ec20cde4303c1448844e07e2ba5186e774f59b8

SHA512
cebf8eea04ac938cb88cc32b7ee12256b8cb8a5b73f19307f8f667723a43c636dbe5f08e1f2940ae421cd7d994a40cdb14aaa233541b000a902517671caa2175

Download Submit
memory/460-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/460-888-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download