a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 21:29

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General

Target

a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
Size

48KB
MD5

cb050460312a948ff8566aefa55e926a
SHA1

a5a600853ae79f5b673bad3e1da0b136fea9adf6
SHA256

a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337
SHA512

cf9370364de4ac0e0a2885187b79b79ff85b36e4d837f56e282a011c032b07fd4b0fad0022ea65aa9194daf5659d83ef22958f6744330bb5c1d0a6e6f9afcb4d
SSDEEP

384:yBs7Br5xjL8AgA71Fbhv/Fzzwz72Jwuq2JwuR0U0Ijftf/xDxgx:/7BlpQpARFbhNIiJwsJwwnZtR6

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (5202) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Xml.Linq.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\dotnet\swidtag\Microsoft Windows Desktop Runtime - 6.0.27 (x64).swidtag.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTrial-ul-oob.xrm-ms.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-convert-l1-1-0.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial1-ul-oob.xrm-ms.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_COL.HXC.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.NameResolution.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Controls.Ribbon.resources.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\splash.gif.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_Subscription-ppd.xrm-ms.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Forms.Design.resources.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial-pl.xrm-ms.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_Subscription-ppd.xrm-ms.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\IEEE2006OfficeOnline.xsl.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\GOTHICI.TTF.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Security.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordbi.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\WindowsBase.resources.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHSRN.DAT.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\keypadbase.xml.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationTypes.resources.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationClient.resources.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationFramework.resources.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000011\FA000000011.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-ppd.xrm-ms.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL077.XML.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Transactions.Local.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Xaml.resources.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Grayscale.xml.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-ppd.xrm-ms.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ul-oob.xrm-ms.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\de-DE\msinfo32.exe.mui.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Internet Explorer\fr-FR\ieinstal.exe.mui.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ppd.xrm-ms.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_KMS_Client-ul-oob.xrm-ms.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OneNote\SendToOneNoteFilter.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Author2XML.XSL.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R32.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fi-fi.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.Primitives.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Franklin Gothic.xml.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\Bibliography\BIBFORM.XML.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\InkObj.dll.mui.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Ping.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Controls.Ribbon.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\EXCELPLUGINSHELL.DLL.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\CalibriL.ttf.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL093.XML.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Common Files\System\wab32res.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscordbi.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Internet Explorer\ielowutil.exe.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Java\jre-1.8\bin\dtplugin\deployJava1.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_KMS_Client-ppd.xrm-ms.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription2-ppd.xrm-ms.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ul-phn.xrm-ms.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000042\assets\assets\images\assets_picker-account-addPerson-48.png.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Crashpad\metadata.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Drawing.dll.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\en-US.pak.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\jaccess.jar.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\ecc.md.tmp	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.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	a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe

C:\Users\Admin\AppData\Local\Temp\a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.exe
"C:\Users\Admin\AppData\Local\Temp\a91c0f2bd0104945cfe83ef7838b5223377a97d0a3d99eba1969473fb0572337.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-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp

Filesize
48KB

MD5
6d6c73706a28639475ba5d1658f3d926

SHA1
e51a2fe16a6ea40da600d64588d2d68ba0a72e7a

SHA256
3bf88e2a9eff86a96b51d6afecb5ad9ea901d0d3ec082e23432c45ad6a1125ea

SHA512
a44ee62075bd67aa7d9eca9cc73f5f55c82f40d9fca08f90166d912b1c8d864ffa514b55da6a001facf7e6ee26e5bc3e0fdae79eef8d8e8e8d17dff658a94815

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

Filesize
147KB

MD5
f07d76f0f55ac20e01b9500accf1d01c

SHA1
8c8ae90281d967c22a58e2f505cbcaf6998a48fa

SHA256
5923def09ea0bde56430a0fbc0dd78e3403e52eba578c27316f5d840517cf461

SHA512
446388539fb921ba3cb306b79e2791ff7031f7b29c2e3314fc66296119d03977de7dcba70cee2db14f38fac2ab29a328c834ecec4894d3d9980f0aa907ea420f

Download Submit
memory/2660-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2660-988-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download