24418d759f6d461e0321e9dbc59c2169aeb0b116e7695c11210ced32bbcd1733

Analysis

max time kernel
120s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
24/07/2024, 06:07

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General

Target

56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
Size

137KB
MD5

56d4a9cc5a98d0979a02a4ceefe7f4e0
SHA1

643c2107d05059a92590b9f64cf60edba8ea68da
SHA256

24418d759f6d461e0321e9dbc59c2169aeb0b116e7695c11210ced32bbcd1733
SHA512

bfb0acc836876262a2478099353e80d6f9084e51d29f5912b76ff2c5d909eac6fbaff68838e481491ed550c8f1341f5098cad5e16ce8bba4544537033258ec58
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8NCuXYRY5I2ItTWn1++PJHJXA/OsIZfzK:fnyiQSoDuXuv3JQSoDuXuv3dwL

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4086) 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/4768-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000800000002325a-2.dat	upx
behavioral2/files/0x0004000000022949-6.dat	upx
behavioral2/memory/4768-1598-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Aspect.xml.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\7-Zip\Lang\co.txt.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Forms.resources.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\PresentationCore.resources.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\InkObj.dll.mui.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationFramework.resources.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.Design.Editors.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\cs-CZ\tipresx.dll.mui.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Configuration.ConfigurationManager.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription-pl.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_MAKC2R-pl.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\javaws.policy.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\c2rpridslicensefiles_auto.xml.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-ul-phn.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Google\Chrome\Application\110.0.5481.104\VisualElements\SmallLogo.png.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightDemiBold.ttf.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\meta-index.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jfxmedia.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_MAKC2R-pl.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.ReaderWriter.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.Parallel.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\msvcp140_1.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Grace-ppd.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-pl.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PREVIEWTEMPLATE2.POTX.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\PresentationUI.resources.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationTypes.resources.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-ul-phn.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationFramework.resources.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription1-pl.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\TellMeWord.nrr.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad\auxbase.xml.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-pl.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.cpl.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-ul-oob.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\7-Zip\Lang\af.txt.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\7-Zip\Lang\hr.txt.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\vcruntime140_1.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\w2k_lsa_auth.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\splash_11-lic.gif.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\msdasqlr.dll.mui.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Registry.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\msvcp140_1.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Internet Explorer\fr-FR\iexplore.exe.mui.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerView.PowerView.x-none.msi.16.x-none.xml.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\InkObj.dll.mui.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Common Files\System\ado\msado28.tlb.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.Win32.Primitives.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Requests.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\gstreamer.md.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_MAKC2R-ppd.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ul-phn.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTest-ppd.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTest-ppd.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-ul-oob.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\WindowsFormsIntegration.resources.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\WindowsBase.resources.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-ul-oob.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_Subscription-ppd.xrm-ms.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.DiaSymReader.Native.amd64.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-debug-l1-1-0.dll.tmp	56d4a9cc5a98d0979a02a4ceefe7f4e0N.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	56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe

C:\Users\Admin\AppData\Local\Temp\56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe
"C:\Users\Admin\AppData\Local\Temp\56d4a9cc5a98d0979a02a4ceefe7f4e0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4768

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-1-5-21-1403246978-718555486-3105247137-1000\desktop.ini.tmp

Filesize
137KB

MD5
10b15e6eb371038da7daee002ed91dea

SHA1
92106313abb7b95a794bede78e7f05ba986e3b14

SHA256
3187972241abee10bde928c93fb2df6f6e77620e04377ee902b018c3928e3300

SHA512
e1ce713b88c2b3f247d9d3eed8de5f8092f6865f1c571778326a3cfa17d51b1d1a3eb6694334cbaec36d6ecb0263be967375cee23888b669582e631ce34c95c4

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

Filesize
236KB

MD5
3863ae88fe09a8e93a0a1f0282afaa9f

SHA1
dfe84c7ab6b1acee49e418c3e6a0216d030d175c

SHA256
fb4b02b7486ea7c595c49614176623a1b95a86caa0e870552e8ffc42686ce50c

SHA512
8b330abd325b341acb97bce8146eca5d17f3faaab08a68af28679e2f13ded4f333fe3aa6e08e747bf4abe110ed1dda269b40e53315657c4957e6c9753f03bb96

Download Submit
memory/4768-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4768-1598-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download