38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2025, 21:46

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General

Target

38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
Size

79KB
MD5

98d45e579e4b113f184091f9af7d611d
SHA1

cc3c91706d9be1ebbfff24344841b5b4e37cdce4
SHA256

38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9
SHA512

8b43df502f2693fda471bbf9b3a9591a6869a6683239ba55c8b911956e4dfeab00e87dcd404e3ba863abb836f6418f0d1154b2c46b3c51752abc2755842fc12c
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATBHfBo8o3PV15RK:V7Zf/FAxTWoJJZENTBHfiP3zHQtMj8/

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5036) 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/2620-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000a000000023c4f-2.dat	upx
behavioral2/files/0x00040000000228f5-6.dat	upx
behavioral2/memory/2620-776-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrenUSlm.dat.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Pipes.AccessControl.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-pl.xrm-ms.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_OEM_Perp-ul-phn.xrm-ms.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange.xml.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL065.XML.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Garamond-TrebuchetMs.xml.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Retail-ul-phn.xrm-ms.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Document.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Practices.Unity.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.SqlServer.Configuration.SString.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\7-Zip\Lang\cs.txt.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationProvider.resources.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\WindowsBase.resources.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javafx_font.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Java\jre-1.8\bin\WindowsAccessBridge-64.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription5-ul-oob.xrm-ms.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_MAK_AE-ul-oob.xrm-ms.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.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	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\YEAR.XSL.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationProvider.resources.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E1-0409-1000-0000000FF1CE.xml.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OFFSYMXL.TTF.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.sl-si.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Extensions.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\PresentationFramework.resources.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_TW.properties.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\blacklisted.certs.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\7-Zip\Lang\af.txt.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Primitives.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-ul-oob.xrm-ms.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-pl.xrm-ms.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-ppd.xrm-ms.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\TabTip.exe.mui.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav.xml.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00C1-0409-1000-0000000FF1CE.xml.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\POWERMAPCLASSIFICATION.DLL.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\ReportingServicesNativeClient.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sw.pak.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-conio-l1-1-0.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.osmmui.msi.16.en-us.xml.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-pl.xrm-ms.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.scale-80.png.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\SAEXT.DLL.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Overlapped.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTest-pl.xrm-ms.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ppd.xrm-ms.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.id-id.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrespsh.dat.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Forms.Design.resources.dll.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\icu.md.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-ppd.xrm-ms.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-pl.xrm-ms.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000050\FA000000050.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONMAIN.DLL.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\kn.pak.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Green.xml.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial5-pl.xrm-ms.tmp	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.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	38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe

C:\Users\Admin\AppData\Local\Temp\38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe
"C:\Users\Admin\AppData\Local\Temp\38907448cd02156b7cdbbfd1b67025fc1efcc89629d48c362acefc0d725421b9.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2620

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-1-5-21-3227495264-2217614367-4027411560-1000\desktop.ini.tmp

Filesize
80KB

MD5
313f7ad1e69c4ea54b3f50557dc47112

SHA1
5600283288ae91a1b7792674d53ac8e3fee857b3

SHA256
a4551f63f6af89a27c4b891beb4651239175448f9b829be5d0b3f278abd0b625

SHA512
a76dfdb85134f5bb10bef35cbfb5f9ff3c2544e7daabc37681c627ff13d4b300bd85f012853573dc25aa63e8017165603164da0c047c5c4bc615c927a8efd037

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

Filesize
179KB

MD5
f11c35d12792ccf9121259c33278b21c

SHA1
6410937cb6876406fe6e8b413018a7c7a9b29027

SHA256
80171b99c4db31d84320d6b5c39ee87d26dc56005cb5b2ff8c3201a1b24e6a41

SHA512
b78ca0cb65e4c18407f8c261bb455d7259a44e0f8834ea986f14500b50963060d92c1ca04fc088a1f5bbd2455892dc885c75dd846b8b57910d48dfab15be0116

Download Submit
memory/2620-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2620-776-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download