27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35

Analysis

max time kernel
150s
max time network
150s
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 21:35

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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 (4836) 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/2596-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b42-2.dat	upx
behavioral2/files/0x0004000000022902-6.dat	upx
behavioral2/memory/2596-660-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre-1.8\lib\meta-index.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Grace-ul-oob.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jce.jar.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-pl.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-pl.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTest-pl.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Trial-ppd.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Extensions.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\ReachFramework.resources.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javah.exe.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\WindowsFormsIntegration.resources.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\mesa3d.md.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ul-oob.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProDemoR_BypassTrial180-ppd.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ppd.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ro-RO\tipresx.dll.mui.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\sqlxmlx.rll.mui.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-debug-l1-1-0.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSBARCODE.DLL.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-pl.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msoutilstat.etw.man.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Input.Manipulations.resources.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\j2pcsc.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Grace-ul-oob.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-pl.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MANIFEST.XML.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encodings.Web.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001B-0000-1000-0000000FF1CE.xml.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ul-phn.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Java\jre-1.8\bin\dtplugin\deployJava1.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-ppd.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Office16\DBGHELP.DLL.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN090.XML.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msadcor.dll.mui.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.InteropServices.RuntimeInformation.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\jawt_md.h.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Paper.xml.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-pl.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Grace-ppd.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.MashupEngine.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationClientSideProviders.resources.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\7-Zip\Lang\ba.txt.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-synch-l1-1-0.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\prism_sw.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Trial-ul-oob.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-ul-oob.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTest-ul-oob.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\7-Zip\Lang\ru.txt.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.EventLog.Messages.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Internet Explorer\uk-UA\ieinstal.exe.mui.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Java\jre-1.8\bin\kinit.exe.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp2-pl.xrm-ms.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CHAKRACORE.DLL.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msadcer.dll.mui.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-errorhandling-l1-1-0.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Common Files\System\ja-JP\wab32res.dll.mui.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\.version.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Algorithms.dll.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\policy\limited\local_policy.jar.tmp	27a1ada69c03ecc4a0b37aa82d539a47e2221a31b3c989c79bebb830b4c98f35.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest1-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:2596

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-1-5-21-493223053-2004649691-1575712786-1000\desktop.ini.tmp

Filesize
95KB

MD5
f5ab3faf98648f656a00b8810896edf0

SHA1
a428e71da5a1f632bdefe628306d14af1a1e47ef

SHA256
38f2e295be8d88198792bb80cbb5749e10bc15aa9ae3765f5aa32a50720a5285

SHA512
44b78adee9623e50536444cc15dafce6dbde253c6738d2da8a2fc9e865f771e8b9a5fd7735775ff47d6373b296f07c761c4163a14831385ced1f5f58bb4686e7

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

Filesize
194KB

MD5
8bfde73e6b5ea4aab8738fd5ce748ecb

SHA1
d346e8b53abeec75a4e1dded9535e9ae0be5c46c

SHA256
e90009ff9ea80b4487ba987a3edca8fb9ab81357251f3deef997805af47a1e78

SHA512
5cc230b84aa6f7bf4d269b526f5e24e2cb8e581599bd6e0c2a90d3ccd54ba2ef0482fac4cff3700375581652b0547a45cb180a974faeff856933b06ef18ef3e5

Download Submit
memory/2596-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-660-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download