e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190d

Analysis

max time kernel
120s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 12:16

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General

Target

e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
Size

97KB
MD5

a95d34892d97e219b895966ac1079f10
SHA1

564520d99aaf11f5c8541ede84855c0bba4b10f1
SHA256

e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190d
SHA512

d4f0ca91b77e9787fe33e960d15cb1e4148ac6412adda4cfa921c88e06aea68434495cff669998fc5f21b8f45adf2bd467fbb31b42178d6e43b6fbc1cc5760e6
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zx4LgLrdqduv:fnyiQSoFcPdqduv

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4619) 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/208-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002341f-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/208-867-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RUI.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\server\Xusage.txt.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Office.Interop.Outlook.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\7-Zip\Lang\bg.txt.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-utility-l1-1-0.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\clretwrc.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.DataAnnotations.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\WindowsBase.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Input.Manipulations.resources.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ppd.xrm-ms.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\Client2019_eula.txt.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\IpsMigrationPlugin.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-file-l1-2-0.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntryR_PrepidBypass-ppd.xrm-ms.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-convert-l1-1-0.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_BypassTrial180-ppd.xrm-ms.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Forms.Design.resources.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-synch-l1-1-0.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordaccore.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Forms.Primitives.resources.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\THIRDPARTYLICENSEREADME.txt.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\7-Zip\Lang\mk.txt.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Input.Manipulations.resources.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ul-oob.xrm-ms.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationTypes.resources.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\lv.pak.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Internet Explorer\SIGNUP\install.ins.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\cryptix.md.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ppd.xrm-ms.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTest-pl.xrm-ms.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\vccorlib140.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessDemoR_BypassTrial365-ppd.xrm-ms.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Grace-ul-oob.xrm-ms.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-pl.xrm-ms.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msaddsr.dll.mui.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mscss7cm_es.dub.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientSub2019_eula.txt.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\es-419.pak.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Java\jre-1.8\bin\java_crw_demo.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-pl.xrm-ms.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\InkObj.dll.mui.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\eventlog_provider.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Grunge Texture.eftx.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ko\msipc.dll.mui.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Security.Cryptography.ProtectedData.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Internet Explorer\ieinstal.exe.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l1-2-0.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Trial-ul-oob.xrm-ms.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSO.FRAMEPROTOCOLWIN32.DLL.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.Native.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Xml.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-ul-oob.xrm-ms.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-phonetic.xml.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Debug.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationUI.resources.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\pkcs11cryptotoken.md.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Java\jre-1.8\bin\mlib_image.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_KMS_Client_AE-ul.xrm-ms.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-pl.xrm-ms.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.AddinTelemetry.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Common Files\System\ado\msado25.tlb.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-black_scale-80.png.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\wpfgfx_cor3.dll.tmp	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.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	e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe

C:\Users\Admin\AppData\Local\Temp\e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe
"C:\Users\Admin\AppData\Local\Temp\e4f364a8ba9a31f612eeb0dd066cad15ec4f0b22912a007472f689ad806b190dN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:208

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-1-5-21-786284298-625481688-3210388970-1000\desktop.ini.tmp

Filesize
98KB

MD5
ab201f01bf52bf677220b26b006e691f

SHA1
fb9f7c18825d7aa0adae4576b7b70cf634171dc3

SHA256
6ba6d2739ca51c379fdbe8d6809f1eb51da1f71fdcde385b065b525ca41a699b

SHA512
19bc62126d835446ac4094263ea69110ed4cc00f7bbf0e162a7805b905f2fd2d319c0db6ac3fb7c0e51d8c792a8ee4cc2b595f6897476268b95b624b12a80628

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

Filesize
197KB

MD5
9be8b69520b212fe04b62b5c4cd9d8d9

SHA1
910afa24ad30d62e2bc00196296488a72ececed2

SHA256
53c8059bb2ac0bb2714f8fd8042506ae262b901b6099cfeafed2d69c3bf3d3ea

SHA512
b8fb2bc341d9a6e62fc1cca640b66909ffac57e4301dfe1ecd5c776e8079b88c585e0a5539319abea28e9aca86cec7daa8872c60021eb109575143732ff6a90e

Download Submit
memory/208-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/208-867-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download