6e819b61338b7816205f1f7281011772384b06759f2ae19ebe94c4b5a14faaed

Analysis

max time kernel
120s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 13:36

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General

Target

0bfd0c26a86abb43719b778dde4169f0N.exe
Size

90KB
MD5

0bfd0c26a86abb43719b778dde4169f0
SHA1

894fc45dee0f103fbf71cac0082e610dbab80227
SHA256

6e819b61338b7816205f1f7281011772384b06759f2ae19ebe94c4b5a14faaed
SHA512

6368e370a1f02e1ea290e9de0c3817e04f5141983f60fce0b751905d4d30a612893a7feba5a19af56a51f6c797dbc440ea1c8646b2b6923e989d899af6c8a752
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8+xmA:fnyiQSoz

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4306) 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/4228-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023368-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/4228-640-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-util-l1-1-0.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Xaml.resources.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-interlocked-l1-1-0.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial3-ppd.xrm-ms.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_MAK-pl.xrm-ms.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.WindowsAzure.StorageClient.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Pipes.AccessControl.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Forms.Design.resources.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-utility-l1-1-0.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Marquee.xml.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Retail-ppd.xrm-ms.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WORD_WHATSNEW.XML.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\IpsMigrationPlugin.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Security.Permissions.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Ion Boardroom.thmx.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\host\fxr\6.0.27\hostfxr.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\WindowsBase.resources.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\cursors.properties.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Inset.eftx.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Forms.Design.resources.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-ul-oob.xrm-ms.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ul-phn.xrm-ms.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-ul-phn.xrm-ms.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXPTOOWS.DLL.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\AUTHOR.XSL.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_jpn.xml.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ObjectModel.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Algorithms.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Input.Manipulations.resources.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\ucrtbase.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\SIST02.XSL.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\ReachFramework.resources.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Forms.Primitives.resources.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\j2pcsc.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Algorithms.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Forms.Primitives.resources.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\WindowsBase.resources.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Spatial.NetFX35.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\TabTip.exe.mui.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsdan.xml.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\splashscreen.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Trial-ppd.xrm-ms.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\7-Zip\Lang\hy.txt.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Csp.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\swidtag\Microsoft Windows Desktop Runtime - 8.0.2 (x64).swidtag.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial4-ppd.xrm-ms.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-ppd.xrm-ms.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCHARTCOMMON.DLL.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-sysinfo-l1-1-0.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTrial-pl.xrm-ms.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientARMRefer_eula.txt.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationFramework.resources.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\WindowsBase.resources.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Input.Manipulations.resources.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightDemiBold.ttf.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-pl.xrm-ms.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\InkObj.dll.mui.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\UIAutomationClient.resources.dll.tmp	0bfd0c26a86abb43719b778dde4169f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHLTS.DAT.tmp	0bfd0c26a86abb43719b778dde4169f0N.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	0bfd0c26a86abb43719b778dde4169f0N.exe

C:\Users\Admin\AppData\Local\Temp\0bfd0c26a86abb43719b778dde4169f0N.exe
"C:\Users\Admin\AppData\Local\Temp\0bfd0c26a86abb43719b778dde4169f0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4228

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-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

Filesize
90KB

MD5
ed1d5188e23f5cf42c0912a052dbca2c

SHA1
d1da85018e8db8af186251c19c43480824f44cac

SHA256
1720f0eef1729bc0877b14a8f9a7debd649b43f4b7b81aadf701e238d013a225

SHA512
55e49e57c711c650bbd26ee8789721684dbaa60b12cea6a307579e6a3e9db7f0fd52c34ccb81e69784fb436f908b339d44503d1f06ca113ad432465181d16f40

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

Filesize
189KB

MD5
efa1e8a725c0a075d1b5723fc486be72

SHA1
a15bb009c4394067d0f88456e6ea19057f4dc89a

SHA256
16474cb57614ce37cd9805a983f4277eaa3d0213dd4c28faad328d3488790ddc

SHA512
0046c9ccfd083861b3db4bdf15e55dabb134462b30eed7a9d0da8141cf46e512b93607517dd948c9941e9d193c368e08abd1c82d6f220d01b4e4eb70f427ccca

Download Submit
memory/4228-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4228-640-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download