c079b36dc070e1ecf426343a163ff8dff147acb24bc112a1f4c5403770d95125

Analysis

max time kernel
120s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26/07/2024, 17:31

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General

Target

3769142aa92878b2dd287315feec9ab0N.exe
Size

22KB
MD5

3769142aa92878b2dd287315feec9ab0
SHA1

f37900a834f9b42e442a5f7af8063859f10fdd80
SHA256

c079b36dc070e1ecf426343a163ff8dff147acb24bc112a1f4c5403770d95125
SHA512

cf45d86bf714522390fc42b1d59263a20d313620447b7af273e88e86dd5f3eece89f1cc3d6ce275cf21830c549cd5e1af20071eed4635f109c6bbfc2d0fa39c7
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJPbUEobUE51lzwAI:kBT37CPKKdJJTU3U2lz4

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4026) 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/2844-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000233e1-2.dat	upx
behavioral2/files/0x0014000000022909-6.dat	upx
behavioral2/memory/2844-762-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Cryptography.Pkcs.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-heap-l1-1-0.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\klist.exe.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\accessibility.properties.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription2-ppd.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.CodeDom.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial1-pl.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTest-ul-oob.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_KMS_Client-ul.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Retail-ppd.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-ul-oob.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jdwp.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Input.Manipulations.resources.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.ProtectedData.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTrial-ppd.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp4-ppd.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\7-Zip\7-zip32.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu.xml.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\ShapeCollector.exe.mui.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Integral.thmx.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPivot.PowerPivot.x-none.msi.16.x-none.xml.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ul-oob.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\RepoMan.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\hostpolicy.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-ppd.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationCore.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\msvcp140.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ul-oob.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordbi.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.Primitives.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.NonGeneric.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.DataAnnotations.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationProvider.resources.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Trial-pl.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-localization-l1-2-0.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui\oskclearuibase.xml.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.DriveInfo.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Forms.Design.resources.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\ReachFramework.resources.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_de.properties.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-ul-oob.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Buffers.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-pl.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ul-phn.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\7-Zip\Lang\ms.txt.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msaddsr.dll.mui.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\relaxngom.md.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\ReachFramework.resources.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ppd.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Encoding.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest1-pl.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Grace-ul-oob.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Input.Manipulations.resources.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationClient.resources.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\jni_md.h.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XDocument.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\awt.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\ucrtbase.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-pl.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.kk-kz.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationClient.resources.dll.tmp	3769142aa92878b2dd287315feec9ab0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-ul-phn.xrm-ms.tmp	3769142aa92878b2dd287315feec9ab0N.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	3769142aa92878b2dd287315feec9ab0N.exe

C:\Users\Admin\AppData\Local\Temp\3769142aa92878b2dd287315feec9ab0N.exe
"C:\Users\Admin\AppData\Local\Temp\3769142aa92878b2dd287315feec9ab0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2844

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-1-5-21-384068567-2943195810-3631207890-1000\desktop.ini.tmp

Filesize
23KB

MD5
0ae82a2d7c8974e2e788da1612b591ec

SHA1
96e818926f69c1793ba35a9ecf679d61d87bcd19

SHA256
14bc9bae1a3a65f3fce98d441783be89adc0bb44c64fccf5249682ef72a03de3

SHA512
fc29e09bc15dcd14762eb4b858b2e1c65f1f69208d154d6a6eaa74a34ca4290a7044d5004d6f7eba43990701653332f93c530f5d63e2bf7bf495d5a7da3dd42d

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

Filesize
121KB

MD5
2d373e597b93aadedbcc14877d7b369a

SHA1
75f15b88cb7dc5d1c622ce12cf7a8ff9edf79469

SHA256
6082b1044de75ace8e93dcf7b24a4261a8119459da0d165b72ca5887af6a83cf

SHA512
ae435da43769f027acfa40b61e68d9bdd0a3bf5639fb553839cd9b8f1091b49539a04960179799fd98910f5b1e519173f5dbd9973f25afb44e60b66271c637ae

Download Submit
memory/2844-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2844-762-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download