7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/10/2024, 23:31

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General

Target

7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
Size

52KB
MD5

9f8da5c42a7ca04061653ecfea1237ad
SHA1

3c50e18d42429fad1c9953c6ae7dc49d294e7a49
SHA256

7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4
SHA512

8bae66a085326d96fb552b9f450d184b8c01b858f17e5b456db879e3f3a38b85b1a3842084b771eddb47feda58c8bea50b6f0848260b54206d4c25d155845eba
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9woOzOuiJfoOzOuiJf8:V7Zf/FAxTWoJJ7T4ML

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5035) 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/2368-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000a000000023bfc-2.dat	upx
behavioral2/files/0x0014000000022905-6.dat	upx
behavioral2/memory/2368-762-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.sv-se.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Common Files\System\ado\msadox.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_LinkDrop32x32.gif.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSO.ACL.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\System.Runtime.InteropServices.RuntimeInformation.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\7-Zip\Lang\sr-spl.txt.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCalls.h.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Xaml.resources.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsBase.resources.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\PresentationFramework.resources.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationTypes.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaSansDemiBold.ttf.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\cldr.md.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\policy\unlimited\US_export_policy.jar.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ppd.xrm-ms.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-file-l2-1-0.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN022.XML.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_F_COL.HXK.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.HttpUtility.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msix.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XmlDocument.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationTypes.resources.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Forms.Design.resources.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\Office16\OSPP.VBS.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART8.BDR.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Algorithms.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_zh_TW.properties.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Glossy.eftx.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-ul-oob.xrm-ms.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_COL.HXT.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.scale-180.png.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000042\mecontrol.png.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\InkObj.dll.mui.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\WindowsBase.resources.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\UIAutomationProvider.resources.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial4-ppd.xrm-ms.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\NL7MODELS000A.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-MX\tipresx.dll.mui.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Blue.xml.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN114.XML.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TabTip.exe.mui.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\dynalink.md.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\MSSP7FR.LEX.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.TLB.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Forms.Design.resources.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Cryptography.Xml.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\mesa3d.md.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTrial-ppd.xrm-ms.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msdaremr.dll.mui.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Algorithms.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sv.pak.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\icu.md.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ro-ro.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Forms.resources.dll.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Java\jdk-1.8\bin\policytool.exe.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-ppd.xrm-ms.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Trial-pl.xrm-ms.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_OEM_Perp-ul-phn.xrm-ms.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\BOMB.WAV.tmp	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.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	7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe

C:\Users\Admin\AppData\Local\Temp\7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe
"C:\Users\Admin\AppData\Local\Temp\7750b8a05d7be175668b1c2bec7c24554c7a9f813e67af964d038643ae819ca4.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2368

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-1-5-21-4089630652-1596403869-279772308-1000\desktop.ini.tmp

Filesize
52KB

MD5
26e94ec585cc26dfd3bec81d73bf2505

SHA1
cbcc65ce3d1b045afc3bc0d6d6f9bb3bfe3162a5

SHA256
acc0f856a1bf3fe655986534e014ed276afe62cda1dc008e71dee61d481af4d3

SHA512
dd8abdc02461557cb6bf9f2b7d17b75a73faf1274fce2335406d72bfb71b39f2e9d6b093a1c851865d07e8b3a21af5bbbb55c9411823d549d26a15ad00004f12

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

Filesize
151KB

MD5
45a32e43568284ed18515d9b3ce7a47f

SHA1
0e03a7973885e69303573edb6f1a06fa90f6f472

SHA256
20af2a4e8957254ffc2e19d59e9abdb18f4e461ed7a016b6e881fc127c87b245

SHA512
480f27a84ee672a4e40dce0544db9ec470a77ad0722b1adc43bce1dcb1c1dd89bc63a6d6efc4f9dcbd4fd46a75b8b65f217e4f48d3a02206b443943ebce3766a

Download Submit
memory/2368-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2368-762-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download