3dbd1ca6f8047c98e622e357813b9f2b76f606703ab0da2524a432d905df7b9c

Analysis

max time kernel
60s
max time network
33s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 19:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3dbd1ca6f8047c98e622e357813b9f2b76f606703ab0da2524a432d905df7b9c.exe
Size

683KB
MD5

302355223951058450ea23d85512b84d
SHA1

6bc5d29f43d2e242d81492cc03976eb9f2b87eb0
SHA256

3dbd1ca6f8047c98e622e357813b9f2b76f606703ab0da2524a432d905df7b9c
SHA512

4f83182f477f42ac35ba990d73a2ff2064e98a3b0352f2e5d735552294abe2e72f0793de8bcecd0521584a95a088caa8a96e798282283232d5e2130d219e03cd
SSDEEP

12288:aeFID53KoNw+bCUKklI9ufQ2XqJmrsZq4ZiohfzFq69:aR95Nw+bJ3lI9uB/48Ub9

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (1826) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Executes dropped EXE 2 IoCs

pid	Process
2228	Zombie.exe
436	_mpextms.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Zombie.exe	3dbd1ca6f8047c98e622e357813b9f2b76f606703ab0da2524a432d905df7b9c.exe
File opened for modification	C:\Windows\SysWOW64\Zombie.exe	3dbd1ca6f8047c98e622e357813b9f2b76f606703ab0da2524a432d905df7b9c.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Permissions.dll.tmp	Zombie.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\uk.pak.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\.version.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ko-KR\tipresx.dll.mui.tmp	Zombie.exe
File created	C:\Program Files\Common Files\System\msadc\msadds.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.Annotations.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\WindowsBase.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ro.pak.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\rtscom.dll.mui.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Console.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.Serialization.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Configuration.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Input.Manipulations.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Design.Editors.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msadcor.dll.mui.tmp	Zombie.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msdaprsr.dll.mui.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Forms.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\concrt140.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.Design.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Configuration.ConfigurationManager.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.WindowsDesktop.App.deps.json.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.Design.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Forms.Design.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOMessageProvider.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\PresentationFramework.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationTypes.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Forms.Primitives.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\eventlog_provider.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Globalization.Extensions.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebProxy.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Threading.AccessControl.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Mail.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Windows.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvApi.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\vstoee100.tlb.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_jpn.xml.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\mshwgst.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Resources.Extensions.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Input.Manipulations.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui\oskclearuibase.xml.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\ReachFramework.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.Design.Editors.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationClientSideProviders.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Formatters.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\ReachFramework.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Core.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Process.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.Primitives.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\DirectWriteForwarder.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\ReachFramework.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\tipresx.dll.mui.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XPath.XDocument.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Intrinsics.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationClient.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-console-l1-2-0.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.Xml.Linq.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemXmlLinq.dll.tmp	Zombie.exe
File created	C:\Program Files\Crashpad\settings.dat.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\mshwLatin.dll.mui.tmp	Zombie.exe
File created	C:\Program Files\Common Files\System\msadc\msadce.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.InteropServices.JavaScript.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.dll.tmp	Zombie.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	3dbd1ca6f8047c98e622e357813b9f2b76f606703ab0da2524a432d905df7b9c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Zombie.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3212 wrote to memory of 2228	3212	3dbd1ca6f8047c98e622e357813b9f2b76f606703ab0da2524a432d905df7b9c.exe	82
PID 3212 wrote to memory of 2228	3212	3dbd1ca6f8047c98e622e357813b9f2b76f606703ab0da2524a432d905df7b9c.exe	82
PID 3212 wrote to memory of 2228	3212	3dbd1ca6f8047c98e622e357813b9f2b76f606703ab0da2524a432d905df7b9c.exe	82
PID 3212 wrote to memory of 436	3212	3dbd1ca6f8047c98e622e357813b9f2b76f606703ab0da2524a432d905df7b9c.exe	83
PID 3212 wrote to memory of 436	3212	3dbd1ca6f8047c98e622e357813b9f2b76f606703ab0da2524a432d905df7b9c.exe	83

C:\Users\Admin\AppData\Local\Temp\3dbd1ca6f8047c98e622e357813b9f2b76f606703ab0da2524a432d905df7b9c.exe
"C:\Users\Admin\AppData\Local\Temp\3dbd1ca6f8047c98e622e357813b9f2b76f606703ab0da2524a432d905df7b9c.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3212
- C:\Windows\SysWOW64\Zombie.exe
  "C:\Windows\system32\Zombie.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:2228
- C:\Users\Admin\AppData\Local\Temp\_mpextms.exe
  "_mpextms.exe"
  2⤵
  - Executes dropped EXE
  PID:436

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.exe

Filesize
85KB

MD5
644cac569f4720a497ccf928f3bf3811

SHA1
501f513cd1d86ac6f9e71fc6dfa1a7ad85063d01

SHA256
24c057edb5b6854d44ff663518340168de3ad74ddb380a93dc042ff6cc6f98f8

SHA512
da15770540e9ce42ae77a1f50a4068453f85886a8df226bc02f72118e384eb8260ffca1bab300f8425b5285a918cceaaee876107a7589b98927118537ca33dcc

Download Submit
C:\Users\Admin\AppData\Local\Temp\_mpextms.exe

Filesize
597KB

MD5
69fec6fed212a3a310230606f4d4e9ce

SHA1
89573c0cd4933e59a0e49679246b96b34dd51b44

SHA256
6ab14e409d9d4910971d7edf973b5c25a269b50bdfc504754a127ff12e3ade8b

SHA512
964d9278a1b94792f73eb6bd8700dcc58d3a32153554390eb6f32b3525e63243905ffdeed6268b28690148e33d29fcd00fb39209580ad89581655acbad0d1497

Download Submit
C:\Windows\SysWOW64\Zombie.exe

Filesize
85KB

MD5
ea015368d1dfdde0c74b4ef357d3dfc6

SHA1
9282a760216771da308fd4c994f43bc9309d50bc

SHA256
40f36c9ccd5d60276b8bc1228e0c005b5913de2ae8d905b6cf554d98b82d0673

SHA512
df662de23683b0e9bf6ec1f324f2b7da51158751b92a59a7dff4ab5b03ae7ad88f1c217b8376717e630df841ab922701c94fbe9939e8fc66daf46a49ba4ccea2

Download Submit