8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a

Analysis

max time kernel
150s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13/09/2024, 23:51

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General

Target

8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
Size

29KB
MD5

165f5d01d3edf71ad23c073fc795f58d
SHA1

528b3aee9288f5022c886c9184cdd514fc428cf4
SHA256

8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a
SHA512

98eb0e6ac9ebd45118f2789e3b14d8dbe4ab9f8d9d2777c0c3346715c51f4b9a389d793064a6cad01b29203cafada94260e7f8509d9c1ce68567b0e668be7985
SSDEEP

768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATNyQYJEaEEI:CTW7JJZENTNyQYJEaEEI

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4762) 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/2924-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0009000000023461-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/2924-795-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationClient.resources.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogoBeta.png.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp5-pl.xrm-ms.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Common Files\System\ado\it-IT\msader15.dll.mui.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.VisualBasic.Forms.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifestLoc.16.en-us.xml.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Grace-ul-oob.xrm-ms.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_COL.HXC.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Algorithms.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Presentation.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fi.pak.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\oledb32r.dll.mui.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\WindowsFormsIntegration.resources.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ppd.xrm-ms.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\McePerfCtr.man.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\CopyExpand.temp.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Forms.resources.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Java\jdk-1.8\bin\klist.exe.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.reportviewer.winforms.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\7-Zip\Lang\zh-tw.txt.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Claims.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationClient.resources.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Input.Manipulations.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_OEM_Perp-ul-oob.xrm-ms.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymxb.ttf.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\System.Spatial.NetFX35.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscorlib.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Input.Manipulations.resources.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Java\jdk-1.8\README.html.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_OEM_Perp-ul-phn.xrm-ms.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-phn.xrm-ms.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-black_scale-140.png.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL044.XML.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Queryable.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Forms.Design.resources.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-conio-l1-1-0.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_it.properties.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Client\C2R32.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\glib-lite.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\sunpkcs11.jar.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_f14\FA000000014.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONBttnPPT.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\WindowsFormsIntegration.resources.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcp120.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.TextWriterTraceListener.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Java\jdk-1.8\jvisualvm.txt.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Milk Glass.eftx.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTrial-ppd.xrm-ms.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSQRY32.CHM.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOHEVI.DLL.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\RepoMan.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\PresentationCore.resources.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Controls.Ribbon.resources.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\WindowsFormsIntegration.resources.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\ReachFramework.resources.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Debug.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Controls.Ribbon.resources.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-ppd.xrm-ms.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.pt-pt.dll.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_SubTrial-pl.xrm-ms.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ul-oob.xrm-ms.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-ul-oob.xrm-ms.tmp	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.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	8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe

C:\Users\Admin\AppData\Local\Temp\8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe
"C:\Users\Admin\AppData\Local\Temp\8f1ba8b0d63202064a7a0290e5e4fcfca9f95f063d31b026cdc616929aa0c47a.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2924

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-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

Filesize
29KB

MD5
0c841289b6ec3cb6b0f92653c5a374c7

SHA1
c4b07ab07747e9f603fc3e085469b9a38f9b7e5b

SHA256
eb71b37c8edf7ad124df4fc7788b0d06911a0d1f2eb9f1483efc927d9e3e1909

SHA512
df01ecfb088131a4b55e4c18e2310c7624022dd035830e462dba5979cd9fe296582b5bf92c4fd011e3761101c7f2268e564cd6000efce58a5affd996692c9ecd

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

Filesize
128KB

MD5
860568c052dfa6da35ed732c412de3a6

SHA1
c5f92ba90962703e6c2624f62f0f2663b8dd6e9f

SHA256
11d3004d16881c365ae82a025246771123e057401c0caf194b9d51d6b939a20c

SHA512
b2bf6040feb31a45d681403e8b243b9bbf6854c9032ba8f35563b7b61b354d1502158f70f1ce2401f89aa14efb5ab1c703352af81ec526ea24be417c673dc6f9

Download Submit
memory/2924-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2924-795-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download