1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392

Analysis

max time kernel
150s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/08/2024, 19:30

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General

Target

1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
Size

57KB
MD5

63774348816b0b111d0dd7e5cae02698
SHA1

928ad30e20800e9ca39bf678ad927a2ff5bce1d8
SHA256

1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392
SHA512

fb779443fa63a95b18de1c33ff051497ba7084b495248ca9a79002f0e05cd8f9a6e965102cb6cabf3d8d97b44c42d2956cf3273664ff7e0f75450b5a5eebc44c
SSDEEP

1536:CTWn1++PJHJXA/OsIZfzc3/Q8zxSja0tLmmjMntFjMntPjMn8ja0tLmmjMntFjMm:KQSoE

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5103) 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/332-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000233c7-2.dat	upx
behavioral2/files/0x0004000000022922-6.dat	upx
behavioral2/memory/332-1114-0x0000000000400000-0x000000000040A000-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\ja\PresentationFramework.resources.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationClient.resources.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ul-phn.xrm-ms.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_KMS_Client-ppd.xrm-ms.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Trial-ul-oob.xrm-ms.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\WindowsBase.resources.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_elf.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\awt.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-timezone-l1-1-0.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Java\jre-1.8\lib\jfr.jar.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\MSIPCEvents.man.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcr120.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_sv.properties.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Grayscale.xml.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-black_scale-100.png.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OWSSUPP.DLL.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\FrequentOfficeUpdateSchedule.xml.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Xaml.resources.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PenImc_cor3.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\webkit.md.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ppd.xrm-ms.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ja-jp.xml.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\PresentationCore.resources.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationProvider.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremDemoR_BypassTrial365-ppd.xrm-ms.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Exchange.WebServices.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\WindowsFormsIntegration.resources.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\pkcs11wrapper.md.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OSMUX.OSMUX.x-none.msi.16.x-none.xml.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_SubTrial-ul-oob.xrm-ms.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\Bibliography\BIBFORM.XML.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OneNote\SendToOneNote-manifest.ini.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\7-Zip\7zFM.exe.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\7-Zip\Lang\hu.txt.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ppd.xrm-ms.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PREVIEWTEMPLATE2.POTX.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.PPT.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\ReachFramework.resources.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.ReportingServices.QueryDesigners.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN107.XML.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Office16\VISSHE.DLL.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.FileSystem.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Internet Explorer\images\bing.ico.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ul-oob.xrm-ms.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\7-Zip\License.txt.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.ReaderWriter.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ul-oob.xrm-ms.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-ppd.xrm-ms.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL093.XML.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\TipRes.dll.mui.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.AppContext.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-pl.xrm-ms.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Redshift\lib\amazonredshiftodbc_sb64.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\WindowsFormsIntegration.resources.dll.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Internet Explorer\de-DE\ieinstal.exe.mui.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Java\jdk-1.8\jre\README.txt.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\7-Zip\Lang\es.txt.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\cs-CZ\tipresx.dll.mui.tmp	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.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	1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe

C:\Users\Admin\AppData\Local\Temp\1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe
"C:\Users\Admin\AppData\Local\Temp\1f3ebea8a52cecd4d5749f28b0bc41b6e65f09bfe92c6e1916a1f457a50c2392.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:332

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-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

Filesize
58KB

MD5
ee5647a71d498451ad39665f6c0ce1d3

SHA1
0cfb48ebaf6576677f319ab66ca9c4e127898b7d

SHA256
4d440eace01fdc6591414da41bb5abe77566ece10729db4037f1c9e684cde8e1

SHA512
a2a89da2d2553252db523fb38299affa5994921f9da611034ed9a0257f440aa03d0fc128b461a7651073ea44994219094bc60a8635a2e74441f881e11bf67caa

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

Filesize
156KB

MD5
6b3a652f98867d38ed4e4e1f6130e447

SHA1
70dc0a7992feeccab4c851aa08ef71551e1ca84a

SHA256
e409952f4d68d21e5f1bdd07bad30a09b4a7014f81ac8eb1aaa403590db11132

SHA512
e4529a331f461b1678facbb7d6650d0a2841f5d63ed434c3f90bf58dff9a31dfd5d26ff4d5cd43fa63ce852ce2902a76e50c6883d20cab5fd6d126d2d0498a54

Download Submit
memory/332-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/332-1114-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download