a6b216151589725924baea2de945ba86acb25bbd7ba58aabab07b55068b9084f

Analysis

max time kernel
120s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
24/07/2024, 01:57

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General

Target

3669e3b5680ed83e07b324ab5ac77fe0N.exe
Size

143KB
MD5

3669e3b5680ed83e07b324ab5ac77fe0
SHA1

1f145e2ce8d7d682b8cff4c26201dc15922a1a50
SHA256

a6b216151589725924baea2de945ba86acb25bbd7ba58aabab07b55068b9084f
SHA512

712242df4006d69f965a00ac6680c1a8d9eb028f6337b99544319d9e7d2cfb9b198c90a8c409d73bcf2fa8e50e7345fadc980dda2cdaa8b9117e538fb2dc9b6c
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8NCuXYRY5I2InTWn1++PJHJXA/OsIZfz1:fnyiQSoDuXuv3jQSoDuXuv3J0z05

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4211) 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/2660-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233e7-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/2660-1742-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Retail-ul-oob.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-pl.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-pl.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\tipresx.dll.mui.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemXml.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Controls.Ribbon.resources.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\ReachFramework.resources.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\[email protected]	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_MAK_AE-pl.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_OEM_Perp-ul-phn.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\officeinventoryagentlogon.xml.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\PresentationCore.resources.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-profile-l1-1-0.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_MAK-ppd.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PenImc_cor3.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial4-ppd.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-ul-phn.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ppd.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-ppd.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\mshwLatin.dll.mui.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\oledb32r.dll.mui.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Http.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\EnterMeasure.xlsm.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-pl.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ppd.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.CompilerServices.VisualC.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.PerformanceCounter.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationCore.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\awt.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\unlimited\US_export_policy.jar.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-pl.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_MAKC2R-ppd.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sql2000.xsl.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\mip.exe.mui.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsFormsIntegration.resources.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\charsets.jar.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Grace-ppd.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Trial-ul-oob.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-dayi.xml.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Specialized.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\PresentationFramework.resources.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\WindowsBase.resources.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Input.Manipulations.resources.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-pl.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\7-Zip\Lang\tr.txt.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Pipes.AccessControl.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\vulkan-1.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ObjectModel.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationTypes.resources.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\cmm\LINEAR_RGB.pf.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Franklin Gothic.xml.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16ConsumerPerp_Bypass30-ul-oob.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsptb.xml.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\InputPersonalization.exe.mui.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XmlSerializer.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Grace-ppd.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jmap.exe.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\relaxngom.md.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_OEM_Perp-ppd.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_KMS_Client-ppd.xrm-ms.tmp	3669e3b5680ed83e07b324ab5ac77fe0N.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	3669e3b5680ed83e07b324ab5ac77fe0N.exe

C:\Users\Admin\AppData\Local\Temp\3669e3b5680ed83e07b324ab5ac77fe0N.exe
"C:\Users\Admin\AppData\Local\Temp\3669e3b5680ed83e07b324ab5ac77fe0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2660

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-1-5-21-3419463127-3903270268-2580331543-1000\desktop.ini.tmp

Filesize
143KB

MD5
d607d81ce368952a9bb25623467f293f

SHA1
6c1be4814a83d4b3507bfc560976cc4b663c852f

SHA256
73394bcea0089e895ac9f7547f4554b31a6448d9f300d0cd82061e86dd208d2e

SHA512
b299be0886a8e568f12ae8349dc08af6a46807c134c7180ab1b4a5a87b02762cd9fe9d99d8b3c5795f95bfd6fb37960ce01a4fc6bf7d1ce2447e7f0602df2924

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

Filesize
242KB

MD5
91c52d49d3bc4efbf5ab616d712d56f6

SHA1
5fc15296f78a58ef078b350ceaedce51306520fc

SHA256
f84b918d729b168435b49c0909c769044dc5353599360e80f93a44180916a666

SHA512
d4c19f8f00e1f7bb408b69802e0de5cb60c0d2a96481f1fce266bb0e00602bdb683633c59c1931657fe2ed1e34cee7571f88b46ed6884659cf4fafaa7808e9f9

Download Submit
memory/2660-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2660-1742-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download