2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23

Analysis

max time kernel
150s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 19:55

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General

Target

2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
Size

98KB
MD5

46bd88b85f7193e8ad4f31a19616efe9
SHA1

c007b5303aa9fcaa0dd19977f862504db643f0c3
SHA256

2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23
SHA512

d9cebb75b22f89daddc31b32a19966fee8610e62b1ec31d7b38c6d32f992a9d3b777a27422ac58799a91487f197fe1df51081a0a9353657cdc77b97c297a4cc6
SSDEEP

3072:fnyiQSoJUBM+PocOQejPdMRAHAASnnD5D5172HyZU3YF40S5DnumSFDnDHaJP1B5:KiQSo/V

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5018) 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/1952-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023442-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/1952-1926-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Internet Explorer\ja-JP\iexplore.exe.mui.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\7-Zip\readme.txt.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\micaut.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.Primitives.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcDemoR_BypassTrial365-ppd.xrm-ms.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Security.Cryptography.Pkcs.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationClientSideProviders.resources.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Java\jre-1.8\bin\jp2ssv.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Java\jre-1.8\bin\policytool.exe.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\otkloadr_x64.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Java\jre-1.8\bin\management.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\basicsimple.dotx.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert.xml.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Pipes.AccessControl.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Forms.resources.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_MAK_AE-ul-oob.xrm-ms.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-timezone-l1-1-0.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\D3DCompiler_47_cor3.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fa.pak.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_MAK_AE-ul-phn.xrm-ms.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_KMS_Client-ppd.xrm-ms.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\tipresx.dll.mui.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Handles.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\ReachFramework.resources.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_elf.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHPHN.DAT.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\cardview-flag.png.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipssve.xml.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Drawing.Primitives.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationCore.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationClient.resources.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-ul-oob.xrm-ms.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\System.Web.Mvc.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.Win32.Registry.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL107.XML.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Grace-ppd.xrm-ms.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_Subscription-ppd.xrm-ms.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\cldrdata.jar.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\thaidict.md.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Java\jre-1.8\bin\ucrtbase.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_MAK-pl.xrm-ms.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientOSub2019_eula.txt.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\vcruntime140_1.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription2-ppd.xrm-ms.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\pkeyconfig-office-client15.xrm-ms.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Common Files\System\ado\msadomd28.tlb.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.scale-140.png.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\UIAutomationTypes.resources.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\libEGL.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\glib.md.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-ppd.xrm-ms.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\sv\msipc.dll.mui.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Common Files\System\msadc\msaddsr.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Json.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationClient.resources.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\swidtag\Microsoft Windows Desktop Runtime - 8.0.2 (x64).swidtag.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProDemoR_BypassTrial180-ppd.xrm-ms.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-ul-phn.xrm-ms.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_COL.HXC.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ro-RO\tipresx.dll.mui.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\clrgc.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Extensions.dll.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000042\assets\assets\images\assets_picker-account-addPerson-48.png.tmp	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.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	2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe

C:\Users\Admin\AppData\Local\Temp\2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe
"C:\Users\Admin\AppData\Local\Temp\2ceb046677d79622e5ea51a5061081110b605640c23daddf4c85b6e4c3c7fc23.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1952

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-1-5-21-4182098368-2521458979-3782681353-1000\desktop.ini.tmp

Filesize
98KB

MD5
8a75646f11f1aa33c34ffad67c866f6f

SHA1
d7fa8840e51c2af22db2bfa660bb0f5dbac41b7b

SHA256
e911ae5c935a7b0301c8a0cab0fa386bf9ccc8fbf6b96ebcfdcd04b23b255751

SHA512
919d4e01b7614b28de048498d99b09e1df4917faaaceb452e93a406335a5b78901b0e47e91905b9b26c0f251cb23cc538932320ced1a9d8dc71cf6f88f5bd1aa

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

Filesize
197KB

MD5
9e1b2193c65878407a4f436437ced703

SHA1
41000c9a793ae25060d210801d1b88ee1a7afd7e

SHA256
633a856b85ba0121dc6da2ac46954c0453a56c13bde3765325d76e5b11d5968a

SHA512
cb43494400bca3eb2743e4c6ff48f0f24024639f19517097795925aa5e247cfd68a771d81165310afaad37a2559353a9e34973380d4f26db9927299066e016ab

Download Submit
memory/1952-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1952-1926-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download