81c6ed542d39dd24085bd6baf9f3fe0723fd1be69cf822afc6e29c3afd99d756

Analysis

max time kernel
120s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/08/2024, 11:46

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General

Target

2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
Size

58KB
MD5

2e768a9c7a2ef7e8132f1e9fc55d5af0
SHA1

e4101e80a021dd670797213c4742732e7d9efcc8
SHA256

81c6ed542d39dd24085bd6baf9f3fe0723fd1be69cf822afc6e29c3afd99d756
SHA512

7f2d8efdecf4d705f272daa9b2c6e6bddeff4eb631f6f6af3a023d974bebf0e6b336a3110b5e2e32a5462134e546777e77dc9c086279deeac60e816eccace024
SSDEEP

768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFzK:CTWn1++PJHJXA/OsIZfzc3/Q8zxQ

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4651) 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/3832-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000900000002345a-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/3832-912-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-pl.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-ul-oob.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.OData.Query.NetFX35.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-100.png.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.ZipFile.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-handle-l1-1-0.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Trial-pl.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ppd.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp2-ul-oob.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Grace-ul-oob.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-process-l1-1-0.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsjpn.xml.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipTsf.dll.mui.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_OEM_Perp-ul-phn.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\invalid32x32.gif.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_KMS_Client-ul.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrlatinlm.dat.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\WindowsBase.resources.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javaws.exe.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Forms.resources.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-pl.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial4-ul-oob.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.SapClient.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Forms.Design.resources.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-pl.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-ul-phn.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Trial-ul-oob.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationCore.resources.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-pl.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial1-ul-oob.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_COL.HXT.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-processthreads-l1-1-1.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationUI.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.Primitives.resources.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ul-phn.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-ppd.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\jawt.lib.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\thaidict.md.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Grace-ul-oob.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\PresentationCore.resources.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\msvcp140_2.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-ul-phn.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipskor.xml.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-environment-l1-1-0.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Xaml.resources.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Memory.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogoBeta.png.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\dynalink.md.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial1-ul-oob.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Drawing.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\PresentationCore.resources.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-pl.xrm-ms.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\TellMeWord.nrr.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.Interfaces.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-black_scale-100.png.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Resources.ResourceManager.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encoding.CodePages.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\WindowsFormsIntegration.resources.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\7-Zip\Lang\ka.txt.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Data.Common.dll.tmp	2e768a9c7a2ef7e8132f1e9fc55d5af0N.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	2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe

C:\Users\Admin\AppData\Local\Temp\2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe
"C:\Users\Admin\AppData\Local\Temp\2e768a9c7a2ef7e8132f1e9fc55d5af0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3832

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
59KB

MD5
3ec4efcef9572d9ebb7efada15b005eb

SHA1
be212003b262c7882d755e7205da45dda7c83867

SHA256
95b522212abbfd265955b83ea8f0a68ce1b866840e329ef07cab5a0161d63368

SHA512
e72e0b10a87ed76b9878f56594f2fccdb5dc0168ffcec41a0a8171ba04452df835305f466b8dc5b75e86f80c5cceedcaf731b422f3592b788dcb675cca5bf75e

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

Filesize
157KB

MD5
47627be78dd4c95fa09c63e2e459d4a6

SHA1
022464650115b8091dbf635cf8ec434e06e0a77e

SHA256
fe00f2e6aedc251ff511f261a38da150553ced0f8fcc91e8df524aa5d5704bae

SHA512
5dfd2a138da2fc1ad7fddb2ca0449ff12fd1f2f84fab8b3aafe1b08df2c89f53c3fc802c456b1f263fb34389546bf11f4985aff337ef6befbf3676e2df98e3e4

Download Submit
memory/3832-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3832-912-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download