806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 23:49

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General

Target

806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
Size

38KB
MD5

cd01bb5cd89a91ac0b82c4cc8ee2ac90
SHA1

8c504f19d581aa327b02f905de53ef799905a493
SHA256

806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d
SHA512

825d5515ed9b6003e795379f1daff419678fba5b28d954ce40bddace6852564783b938c5607d2aee805f6e414e1f842370bc260d2b9529096cc8b498a79911f5
SSDEEP

768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATBHfBo8o3Pn:CTW7JJZENTBHfiPn

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5280) 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/2624-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000c000000023b93-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/2624-786-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\mn.txt.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu\oskmenubase.xml.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.Extensions.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationProvider.resources.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\jaccess.jar.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial2-pl.xrm-ms.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\MSGR8FR.LEX.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.NETCore.App.deps.json.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.VisualBasic.Core.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-pl.xrm-ms.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN120.XML.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Formats.Asn1.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Resources.Reader.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\msquic.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationCore.resources.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jps.exe.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16EnterpriseVL_Bypass30-ppd.xrm-ms.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Dallas.OAuthClient.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\PresentationUI.resources.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_elf.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial2-pl.xrm-ms.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationClient.resources.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG.HXS.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\rsod\osmmui.msi.16.en-us.tree.dat.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipshrv.xml.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationTypes.resources.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Cryptography.ProtectedData.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Red.xml.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-ul-oob.xrm-ms.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ServiceProcess.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Java\jre-1.8\bin\vcruntime140.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-pl.xrm-ms.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\AccessRuntime2019_eula.txt.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial2-ppd.xrm-ms.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.resources.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationClient.resources.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationCore.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\javafx.properties.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\management\management.properties.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\relaxngcc.md.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\colorimaging.md.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\fi\msipc.dll.mui.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000042\index.win32.bundle.map.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-CA\tipresx.dll.mui.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\symbase.xml.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.WebSockets.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Claims.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javap.exe.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-ppd.xrm-ms.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_Subscription-ul-oob.xrm-ms.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\clrjit.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\ReachFramework.resources.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_Grace-ppd.xrm-ms.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-ppd.xrm-ms.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-convert-l1-1-0.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Common Files\System\msadc\msaddsr.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.IsolatedStorage.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationTypes.resources.dll.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\jpeg.md.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-pl.xrm-ms.tmp	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.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	806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe

C:\Users\Admin\AppData\Local\Temp\806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe
"C:\Users\Admin\AppData\Local\Temp\806eb1c17662af43dfd2b43193cf0f74c867db5e6b1c45f268fb30add377370d.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2624

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-1-5-21-2437139445-1151884604-3026847218-1000\desktop.ini.tmp

Filesize
39KB

MD5
0326df7fba42be792b35626af394f262

SHA1
6c536241cdb4814077d76362543ffae6ca0bc3c2

SHA256
8a630446299d2d41c5afb85178e13a640666f4d1f2b7be42337d62c9f62b6c82

SHA512
67f3e381223e935a23269082a5290aaeb23471ac80934f76b90a9afea51df913454ee9cdc36db90bbca6184e53575474e7df7d356c942232409d49a38dc5d77e

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

Filesize
137KB

MD5
123db5c9a2aae0c05143b1c0b3933a6c

SHA1
e249d7734e022a472951a87fd476cd91456bf064

SHA256
5cd9717a3353a12d3f8b01174a4a84acc01bca3c24ce68d42394a303f2f4f5a7

SHA512
2a999d0398f35cca49bdb0631d537aaf7c47e3e85905082675183087bb375052602829a0f021201895b806024decbfa817d59b716ecedaae26b6c3b2b8055aec

Download Submit
memory/2624-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2624-786-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download