d1760d2e7c3577ce6867edc6ad5782927352d268be6f1b4038b0051f2b8ca0ec

Analysis

max time kernel
120s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 12:21

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General

Target

8a119c01ebd4114c7207330b20759ec0N.exe
Size

150KB
MD5

8a119c01ebd4114c7207330b20759ec0
SHA1

fef71ff55cdf6f66082a785861126afc018965e2
SHA256

d1760d2e7c3577ce6867edc6ad5782927352d268be6f1b4038b0051f2b8ca0ec
SHA512

4474c88e366c796d501889c97f92e7c74461189378e1428ad580687a83cddca3c8db9fb8f6c89a110fb1fc601b80ca44af19c8b2db00b0569c49835ebef0a6a0
SSDEEP

1536:V7Zf/FAxTWoJJZENTNyl2Sm0mKuC1TC14lZfAt/KeB+wkcRqbdM5EFi01iFHCUiU:fny1tE42EjliT+ERqbS5EE01iFHC8

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4115) 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/4124-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000235c1-2.dat	upx
behavioral2/files/0x000600000001690a-6.dat	upx
behavioral2/memory/4124-760-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\an.txt.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\sqlxmlx.rll.mui.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial5-ppd.xrm-ms.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTest-ppd.xrm-ms.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTest-ppd.xrm-ms.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\ea.xml.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ja-jp.xml.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-conio-l1-1-0.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Tools.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\invalid32x32.gif.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\WindowsFormsIntegration.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationCore.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\UIAutomationProvider.resources.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\javafx.properties.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\dotnet.exe.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-utility-l1-1-0.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-string-l1-1-0.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\meta-index.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-ul-phn.xrm-ms.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\7-Zip\Lang\th.txt.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.CompilerServices.Unsafe.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationCore.resources.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jli.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-libraryloader-l1-1-0.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial.xml.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial1-ul-oob.xrm-ms.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Contracts.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebSockets.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\access-bridge-64.jar.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Inset.eftx.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\7-Zip\Lang\sr-spl.txt.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Globalization.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Resources.ResourceManager.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\Microsoft.VisualBasic.Forms.resources.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\WidevineCdm\LICENSE.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\LINEAR_RGB.pf.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgePackages.h.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription2-ul-oob.xrm-ms.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Cng.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\WindowsBase.resources.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\WidevineCdm\manifest.json.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail-ppd.xrm-ms.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_MAK-ul-phn.xrm-ms.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.Concurrent.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationFramework.resources.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E2-0409-1000-0000000FF1CE.xml.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_KMS_Client-ul.xrm-ms.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.DataAnnotations.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\WindowsFormsIntegration.resources.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\rmic.exe.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\sunec.jar.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-ppd.xrm-ms.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_PrepidBypass-ppd.xrm-ms.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ul-phn.xrm-ms.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationClient.resources.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Common Files\System\msadc\msdaprst.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Configuration.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.FileSystem.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\dt_socket.dll.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_Subscription-ul-oob.xrm-ms.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msadcer.dll.mui.tmp	8a119c01ebd4114c7207330b20759ec0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-pl.xrm-ms.tmp	8a119c01ebd4114c7207330b20759ec0N.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	8a119c01ebd4114c7207330b20759ec0N.exe

C:\Users\Admin\AppData\Local\Temp\8a119c01ebd4114c7207330b20759ec0N.exe
"C:\Users\Admin\AppData\Local\Temp\8a119c01ebd4114c7207330b20759ec0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4124

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4400,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=3864 /prefetch:8
1⤵
PID:4396

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-1-5-21-2170637797-568393320-3232933035-1000\desktop.ini.tmp

Filesize
150KB

MD5
bc3bea45e4917c7678d8c6ccf4e833e8

SHA1
cdb79d1f3b69a562cad004c09243696a818206b5

SHA256
61042257b73d52686bcbd011a00109c19a0d1d4ed7ea434ceeb7f31b577ae268

SHA512
72e34100a472f9cfc26fdd04b2a53cdad971c24f6e6f38a980f466afc641a18635b728cf20fe66e30905ab0f3a06b0683defea7a289de81726a81a05774def88

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

Filesize
263KB

MD5
feb57aa72fc758cc43efdff6f153da22

SHA1
8f86b60ba766ca15ba1b663f5ce78fadc724ce87

SHA256
037fa652123d113e64507299f3132c5a8535b52d57a0a62179963a648c1bccad

SHA512
230f365122c7a1d50ce3e22a23376c868d9e241afa946cf65071069ee92c8d555b23aba3773feef4bcad103657b23a794dae37931786ec593da1a57e1391bc95

Download Submit
memory/4124-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4124-760-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download