27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35

Analysis

max time kernel
150s
max time network
154s
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 21:31

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General

Target

27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
Size

95KB
MD5

6481ca0040f505ede54eb7bdb7c5d764
SHA1

8b820e1df79dd3695e6e5b5330dd52a17160c700
SHA256

27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35
SHA512

e9643adb07a1b7cb81cead2907e157a92e7672e46ad61db18966c18f373660db28e9ff892da3d9a9a74e21b0f23a22e03058fd5850700e852fb229f533fa0ca6
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcwBcCBcw/tio/ti3c7Fc7NS:V7Zf/FAxTWoJJ7TTQoQmoNC4CXkty

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4872) 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/2180-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000a000000023c1f-2.dat	upx
behavioral2/files/0x00040000000228fe-6.dat	upx
behavioral2/memory/2180-664-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.DiagnosticSource.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.AccessControl.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Controls.Ribbon.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Grace-ul-oob.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\7-Zip\Lang\tg.txt.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encodings.Web.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\coreclr.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-pl.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\id\msipc.dll.mui.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\Alphabet.xml.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav.xml.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.HttpUtility.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-ppd.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_Subscription-ul-oob.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-synch-l1-2-0.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\7-Zip\Lang\co.txt.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Common Files\System\ado\es-ES\msader15.dll.mui.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msadcer.dll.mui.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\libxslt.md.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Grace-ppd.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-ppd.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\ReachFramework.resources.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E2-0000-1000-0000000FF1CE.xml.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN020.XML.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Principal.Windows.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Xaml.resources.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe.config.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Office16\officestoragehost.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\optimization_guide_internal.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSZIP.DIC.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdaosp.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Web.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationTypes.resources.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\PresentationFramework.resources.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Ion Boardroom.thmx.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\LibCurl64.DllA\OpenSSL64.DllA\zlibwapi.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msdaremr.dll.mui.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\msdasqlr.dll.mui.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\dbgshim.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationClient.resources.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\pkcs11cryptotoken.md.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_MAKC2R-pl.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ppd.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PPSLAX.DLL.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ul-oob.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLSLICER.DLL.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll.sig.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Internet Explorer\ielowutil.exe.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTrial-pl.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-pl.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ppd.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\7-Zip\Lang\mk.txt.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Common Files\System\ado\msado28.tlb.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Xaml.resources.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_200_percent.pak.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-conio-l1-1-0.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppvIsvSubsystems32.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-pl.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ppd.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.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	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe

C:\Users\Admin\AppData\Local\Temp\27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
"C:\Users\Admin\AppData\Local\Temp\27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2180

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-1-5-21-3350944739-639801879-157714471-1000\desktop.ini.tmp

Filesize
95KB

MD5
9387e3d037a94ad30cf97299cedc117e

SHA1
20e5ca8fd132fefb6757ee45cf8bd7af05a0d149

SHA256
e7a16a3ded8f33fe20f561531172e6c1e08f5405be473e1299565d2dadcc456b

SHA512
6218f5a56270df29e403b0110a5c5887899193ab00bf754ef38761990acbcfa927a66efb943751a85646990c251c073977b40ebee68ede6553976eb99dcf13d8

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

Filesize
194KB

MD5
a58ef315c9f734816a778989fbc8b87c

SHA1
54dae3c3363c7032c96d8c84857cbac8abbc955f

SHA256
3db0fa7e69526e34b7152e0919ee7fe1270745ef173b28843e86e351dcb626b1

SHA512
bb105368fa7291f3832ea6c61f224bb5e2e2c2150d83c96fac389cc685f7519ba816ffd03961332825967fcf4d685aca8b833d4639b1f84bd6f61c4ddebac142

Download Submit
memory/2180-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2180-664-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download