4f6d5965280ed4995ec5806e0658f08388194fd12a8848c0b9f70034143c2cb7

Analysis

max time kernel
120s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-10-2024 18:38

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General

Target

4f6d5965280ed4995ec5806e0658f08388194fd12a8848c0b9f70034143c2cb7N.exe
Size

132KB
MD5

7e3b497e8f252e10b9d4da2a6e939d30
SHA1

f79ad35889f8cc176009ec0d6320f9bedac8e737
SHA256

4f6d5965280ed4995ec5806e0658f08388194fd12a8848c0b9f70034143c2cb7
SHA512

c1712765445548eefb2528b193dc79816ef0134a51780d73137b2288a7c6fe73297128b10e893d57d94b81a40522af3e92ee937da5b31df06fb91651a395de3d
SSDEEP

3072:6pWpBwchcwDqqupWpBwchcwDqqOpWpBwchcwDqqu:PPfK

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4624) 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
3660	Zombie.exe
5108	_HeartbeatCache.xml.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Zombie.exe	4f6d5965280ed4995ec5806e0658f08388194fd12a8848c0b9f70034143c2cb7N.exe
File opened for modification	C:\Windows\SysWOW64\Zombie.exe	4f6d5965280ed4995ec5806e0658f08388194fd12a8848c0b9f70034143c2cb7N.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\System.Resources.Extensions.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-ul-phn.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Web.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationTypes.dll.tmp	Zombie.exe
File created	C:\Program Files\Java\jre-1.8\bin\jfr.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_ViewOnly_ZeroGrace-ppd.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WORD_WHATSNEW.XML.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.dll.manifest.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ja-jp.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Channels.dll.tmp	Zombie.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-timezone-l1-1-0.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_KMS_Client-ppd.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-runtime-l1-1-0.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationTypes.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationClient.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOARIA.DLL.tmp	Zombie.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\asm.md.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-006E-0409-1000-0000000FF1CE.xml.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-ul-phn.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-white_scale-140.png.tmp	Zombie.exe
File created	C:\Program Files\Java\jre-1.8\bin\jjs.exe.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVOrchestration.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msdaremr.dll.mui.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\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Input.Manipulations.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\amd64\jvm.cfg.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-ul-oob.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-ul-phn.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\DATATRANSFORMERWRAPPER.DLL.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\PUSH.WAV.tmp	Zombie.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\sqlxmlx.rll.mui.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Http.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Algorithms.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Georgia.xml.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Core.NetFX35.V7.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Thread.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationClient.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad\auxbase.xml.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\WindowsBase.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\PresentationCore.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\ReachFramework.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ppd.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\lpc.win32.bundle.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-black_scale-140.png.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Input.Manipulations.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Java\jre-1.8\bin\prism_common.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial2-ul-oob.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Grace-ul-oob.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART1.BDR.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Forms.Primitives.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntime2019R_PrepidBypass-ul-oob.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QRYINT32.DLL.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-file-l1-2-0.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOHEV.DLL.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVFileSystemMetadata.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Extensions.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.dll.tmp	Zombie.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	_HeartbeatCache.xml.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Zombie.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4f6d5965280ed4995ec5806e0658f08388194fd12a8848c0b9f70034143c2cb7N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5052 wrote to memory of 5108	5052	4f6d5965280ed4995ec5806e0658f08388194fd12a8848c0b9f70034143c2cb7N.exe	85
PID 5052 wrote to memory of 5108	5052	4f6d5965280ed4995ec5806e0658f08388194fd12a8848c0b9f70034143c2cb7N.exe	85
PID 5052 wrote to memory of 5108	5052	4f6d5965280ed4995ec5806e0658f08388194fd12a8848c0b9f70034143c2cb7N.exe	85
PID 5052 wrote to memory of 3660	5052	4f6d5965280ed4995ec5806e0658f08388194fd12a8848c0b9f70034143c2cb7N.exe	86
PID 5052 wrote to memory of 3660	5052	4f6d5965280ed4995ec5806e0658f08388194fd12a8848c0b9f70034143c2cb7N.exe	86
PID 5052 wrote to memory of 3660	5052	4f6d5965280ed4995ec5806e0658f08388194fd12a8848c0b9f70034143c2cb7N.exe	86

C:\Users\Admin\AppData\Local\Temp\4f6d5965280ed4995ec5806e0658f08388194fd12a8848c0b9f70034143c2cb7N.exe
"C:\Users\Admin\AppData\Local\Temp\4f6d5965280ed4995ec5806e0658f08388194fd12a8848c0b9f70034143c2cb7N.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5052
- C:\Users\Admin\AppData\Local\Temp\_HeartbeatCache.xml.exe
  "_HeartbeatCache.xml.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5108
- 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:3660

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-1-5-21-1045960512-3948844814-3059691613-1000\desktop.ini.tmp

Filesize
44KB

MD5
2c243e78c1612697123c1a3a01896fb1

SHA1
dbeb68c021901df1ff45bfb6647e09d02c6e91e4

SHA256
37a6d6d3c00161e653ba1a5fcdfb98e0513ebf63c958bc0456974bf47da980a6

SHA512
20990a06618f0aed5437377438afb0d34c2c53a9b4194209134cf4e64ac3978ad1da2303e30b4b8684b2f2a1dcee94b5c2830527097255080846e31924526a46

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

Filesize
88KB

MD5
cf2ce47e698dbd08508da10faa47cc88

SHA1
cdb47acd8500a7fc05ac6ef3d81875852fc67242

SHA256
04442ab332b9868657678906fb152f824096d3859b83ff11a2f923dbed916022

SHA512
b28533a5eeda30339254b0f8b5a95c7a8854e8eaf1e7d9626d320c797b402fdee3df03b758cefeb88444b322458f03f203d2c6336d5474d6a9b0d3d732ff0e7a

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

Filesize
43KB

MD5
5e4f10998496a5d42a26b599d3a55330

SHA1
a76bfb5560296da26afd1f3173f1dadec19ceca0

SHA256
d53d854d932c0ba97bef70c39b1b6b55755addd704b77dc001f2a808b9d38c08

SHA512
41cf83704134aa1f86e25c6d831d0766370b1c140d7dbbf57da5c32c954f2a8dbfe6527386d62a995aedb62b2459c2b79a84eaf9c73d3c25d266ff239ca1fb7d

Download Submit