8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27/07/2024, 00:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
Size

102KB
MD5

cf296d68224dad5c6bc578f9074d2add
SHA1

e3b2e1425abdc549334de98ac44b35ed548509d7
SHA256

8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31
SHA512

ce2aa422438f60ac0258f5da03104ce631c1d76a51bff31ff4ebb9fc8d04489afa7215e8fbcdbfadbd9de1987d5a09a3c9f87d673a04046ec51debee66d495a6
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8OySUX2R2W45P2:fnyiQSonySUX2R2W

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4617) 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/2016-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000234db-2.dat	upx
behavioral2/files/0x0014000000022932-6.dat	upx
behavioral2/memory/2016-1682-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\cs.txt.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msadcor.dll.mui.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ppd.xrm-ms.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.MemoryMappedFiles.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationUI.resources.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\default_apps\external_extensions.json.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jfr\default.jfc.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.Common.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.Reporting.Common.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-white_scale-180.png.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-memory-l1-1-0.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\WindowsBase.resources.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jstat.exe.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\tzmappings.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-ul-phn.xrm-ms.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-ppd.xrm-ms.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\loc\AppXManifestLoc.16.en-us.xml.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.Linq.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-localization-l1-2-0.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription1-ul-oob.xrm-ms.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Grace-ul-oob.xrm-ms.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-pl.xrm-ms.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Formatters.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\UIAutomationProvider.resources.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationClientSideProviders.resources.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\es.pak.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\dnsns.jar.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_OEM_Perp-ul-oob.xrm-ms.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Grace-ul-oob.xrm-ms.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusDemoR_BypassTrial180-ppd.xrm-ms.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\linesdistinctive.dotx.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationFramework.resources.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Cryptography.ProtectedData.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-synch-l1-1-0.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\jfxrt.jar.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\7-Zip\Lang\io.txt.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-time-l1-1-0.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0115-0409-1000-0000000FF1CE.xml.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-heap-l1-1-0.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\PresentationCore.resources.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-ppd.xrm-ms.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\chrome_100_percent.pak.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ppd.xrm-ms.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Primitives.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.Primitives.resources.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\VisualElements\Logo.png.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Java\jre-1.8\lib\classlist.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_zh_HK.properties.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ppd.xrm-ms.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-ul-oob.xrm-ms.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-utility-l1-1-0.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\Microsoft.VisualBasic.Forms.resources.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Forms.Primitives.resources.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\ReachFramework.resources.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\ca.pak.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\icu.md.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.osmuxmui.msi.16.en-us.xml.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-math-l1-1-0.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\PresentationFramework.resources.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\PresentationUI.resources.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-processthreads-l1-1-0.dll.tmp	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.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	8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe

C:\Users\Admin\AppData\Local\Temp\8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe
"C:\Users\Admin\AppData\Local\Temp\8f4f361b080c416170010d85f27047087cf1c1342cbc657189676439c7019c31.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2016

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-1-5-21-1176886754-713327781-2233697964-1000\desktop.ini.tmp

Filesize
102KB

MD5
b74960c7d3b77dab1a47a390d3b5ef62

SHA1
746e26dcf4f6f1709e06cd628d8e512b186ee709

SHA256
5be8993b5bd87a74d8d26e2691ee3bf2fc65d0c8d0215f556998a2a0e2c5c21d

SHA512
db7b055d7a26eb88d83c338bf265bbdeecfc40b52a11490f63e94654a82619bdc996fe71ad6c8b2b5fdae355b4c1abbe846491c4c71135df4d63c378e8bc9985

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

Filesize
201KB

MD5
7de28c4ca6a4536f5de53f4b5c4f6d05

SHA1
9014e5def402b25c9a958538f5032befbf9f2fd5

SHA256
d1701bbcfc8b8d26e410b77630835551366a223ece15e68a46ab807904199253

SHA512
7197c27719436c6548ff9e61a41ced1cf2cce290139b61887d653e8db2639f9b5dea922eeb06591aab9b36f773baf598ca1b523416cee873ca99a69afdd99316

Download Submit
memory/2016-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2016-1682-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download