b461b2ff99979370236584a70fa3c602099df0d013fdd863cbb4d72fc04132aa

Resubmissions

01/04/2025, 16:05

250401-tjx79a1zbv 7

31/03/2025, 21:41

250331-1j2n1a1m18 4

Analysis

max time kernel
110s
max time network
109s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20250314-fr
resource tags

arch:x64arch:x86image:win10ltsc2021-20250314-frlocale:fr-fros:windows10-ltsc_2021-x64systemwindows
submitted
01/04/2025, 16:05

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General

Target

Ground.exe
Size

521KB
MD5

e838f53b2a7dd58bc2dbe4988009a125
SHA1

002e41bbc5a477e0be8d5c2b3183a24df4e579b3
SHA256

b461b2ff99979370236584a70fa3c602099df0d013fdd863cbb4d72fc04132aa
SHA512

63d31870be100d2e18ce4d4bc9d721e85c31e9d731d99246d6ceb54d2da9ab3eb8687b8fe900bf2b9c1e4cde66e229bb5830a81830b28afbf119c51cddcaefff
SSDEEP

12288:9FMIztyCK5x8CBmn+RrNbEyWYa0Ie1vUx9Vj:VZyCA8CBmn+RrNj9ay5Ij

Score

4^/10

discovery

Malware Config

Signatures

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\microsoft shared\OFFICE16\RCX497.tmp	Ground.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\RCX4C8.tmp	Ground.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\133.0.6943.60\Installer\chrmstp.exe	Ground.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	Ground.exe
File opened for modification	C:\Program Files\7-Zip\g7z.exe	Ground.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\es-ES\ShapeCollector.exe.mui	Ground.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	Ground.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\gjava-rmi.exe	Ground.exe
File created	C:\Program Files\Java\jdk-1.8\bin\gjavac.ico	Ground.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\gOSE.EXE	Ground.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\gIntegratedOffice.exe	Ground.exe
File opened for modification	C:\Program Files\Mozilla Firefox\gcrashreporter.exe	Ground.exe
File created	C:\Program Files\Google\Chrome\Application\gchrome_proxy.ico	Ground.exe
File created	C:\Program Files\Java\jdk-1.8\bin\gjavaws.ico	Ground.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	Ground.exe
File created	C:\Program Files\7-Zip\g7zFM.ico	Ground.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	Ground.exe
File opened for modification	C:\Program Files\Internet Explorer\ExtExport.exe	Ground.exe
File opened for modification	C:\Program Files\Internet Explorer\de-DE\ieinstal.exe.mui	Ground.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	Ground.exe
File created	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	Ground.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\gjavafxpackager.exe	Ground.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	Ground.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	Ground.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	Ground.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	Ground.exe
File created	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	Ground.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0409-1000-0000000FF1CE}\misc.exe	Ground.exe
File created	C:\Program Files\Microsoft Office 15\ClientX64\gIntegratedOffice.ico	Ground.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	Ground.exe
File created	C:\Program Files\VideoLAN\VLC\uninstall.exe	Ground.exe
File opened for modification	C:\Program Files\7-Zip\g7zG.exe	Ground.exe
File created	C:\Program Files\dotnet\dotnet.exe	Ground.exe
File created	C:\Program Files\Google\Chrome\Application\133.0.6943.60\Installer\gsetup.ico	Ground.exe
File created	C:\Program Files\Java\jdk-1.8\bin\gidlj.ico	Ground.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\gjar.exe	Ground.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jar.exe	Ground.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\gjavaws.exe	Ground.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\gaccicons.ico	Ground.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\gOfficeC2RClient.ico	Ground.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\mip.exe	Ground.exe
File created	C:\Program Files\dotnet\gdotnet.ico	Ground.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	Ground.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	Ground.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	Ground.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\geqnedt32.exe	Ground.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\RCX61B.tmp	Ground.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\gappvcleaner.ico	Ground.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\gcreatedump.ico	Ground.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\133.0.6943.60\gchrome.exe.sig	Ground.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	Ground.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-006E-0409-1000-0000000FF1CE}\misc.exe	Ground.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\RCX63D.tmp	Ground.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\133.0.6943.60\Installer\setup.exe	Ground.exe
File created	C:\Program Files\Java\jdk-1.8\bin\gjavapackager.ico	Ground.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	Ground.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	Ground.exe
File created	C:\Program Files\Mozilla Firefox\gcrashreporter.ico	Ground.exe
File opened for modification	C:\Program Files\Windows Defender\ConfigSecurityPolicy.exe	Ground.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe	Ground.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\gCLVIEW.EXE	Ground.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\RCX5B9.tmp	Ground.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\accicons.exe	Ground.exe
File created	C:\Program Files\Google\Chrome\Application\chrome.exe	Ground.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\bfsvc.exe	Ground.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	Ground.exe

C:\Users\Admin\AppData\Local\Temp\Ground.exe
"C:\Users\Admin\AppData\Local\Temp\Ground.exe"
1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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:\Program Files\7-Zip\RCX424.tmp

Filesize
521KB

MD5
b69712272f9694c3fe621d57d9a14952

SHA1
c0d8b282014ebc3a58a3be30c63c90fd0dfc71b7

SHA256
c8c696d70e0a57c3ce8882274dfc9945f846df3584f9a45436a7d3b67b91ce27

SHA512
488c936d93ca3d873188f1d5e3b8ad7eef377fdd4ea968505763451f6f1272ea346942a5e41724b15ade26b071e8a9fe46e3fef35a731d5f42e66e889e8e1d30

Download Submit
C:\Program Files\Java\jdk-1.8\bin\gjavaws.ico

Filesize
4KB

MD5
38b41d03e9dfcbbd08210c5f0b50ba71

SHA1
2fbfde75ce9fe8423d8e7720bf7408cedcb57a70

SHA256
611f2cb2e03bd8dbcb584cd0a1c48accfba072dd3fc4e6d3144e2062553637f5

SHA512
ec97556b6ff6023d9e6302ba586ef27b1b54fbf7e8ac04ff318aa4694f13ad343049210ef17b7b603963984c1340589665d67d9c65fec0f91053ff43b1401ba9

Download Submit
C:\Program Files\Microsoft Office 15\ClientX64\gIntegratedOffice.ico

Filesize
4KB

MD5
3ea9bcbc01e1a652de5a6fc291a66d1a

SHA1
aee490d53ee201879dff37503a0796c77642a792

SHA256
a058bfd185fe714927e15642004866449bce425d34292a08af56d66cf03ebe6c

SHA512
7c740132f026341770b6a20575786da581d8a31850d0d680978a00cc4dfca1e848ef9cdc32e51bae680ea13f6cc0d7324c38765cb4e26dcb2e423aced7da0501

Download Submit
C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\gmisc.ico

Filesize
4KB

MD5
fc27f73816c9f640d800cdc1c9294751

SHA1
e6c3d8835d1de4e9606e5588e741cd1be27398f6

SHA256
3cc5043caa157e5f9b1870527b8c323850bdae1e58d6760e4e895d2ab8a35a05

SHA512
9e36b96acc97bc7cd45e67a47f1ae7ab7d3818cc2fdaad147524ce9e4baedfaac9cd012923ec65db763bfd850c65b497376bb0694508bee59747f97bf1591fd4

Download Submit
memory/2536-0-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/2536-241-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2536-242-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download