423afe4e9ca4a1be59cc483b5d24704c2de0bfc916f63f0f9719bee4ee74df98

Analysis

max time kernel
120s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2024, 14:24

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General

Target

9d1aaf60a62b13e6610d0ddd7f761820N.exe
Size

29KB
MD5

9d1aaf60a62b13e6610d0ddd7f761820
SHA1

c5b8418f11dca6cffd7cfb2d0d43ce437534d110
SHA256

423afe4e9ca4a1be59cc483b5d24704c2de0bfc916f63f0f9719bee4ee74df98
SHA512

23e8e7bf5bfa61e77cc8633ea084eb76f1624102e9c818793cab23863320b145ec5d1e8607218a06eca204cb74b683336cf352a8fc132e50fd4cbc774bd35e4d
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9iet98et9r:CTW7JJ7TsetyetR

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4682) 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/5460-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0009000000023472-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/5460-957-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.powerpointmui.msi.16.en-us.xml.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\it.pak.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcDemoR_BypassTrial365-ppd.xrm-ms.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-time-l1-1-0.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART5.BDR.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Input.Manipulations.resources.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\PresentationUI.resources.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.scale-180.png.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.Xml.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sv.pak.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Java\jre-1.8\lib\classlist.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationClient.resources.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ppd.xrm-ms.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationClient.resources.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ThirdPartyNotices.MSHWLatin.txt.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\PresentationUI.resources.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Input.Manipulations.resources.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\WindowsFormsIntegration.resources.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\1033\ODBCMESSAGES.XML.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\7-Zip\7-zip.chm.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.CompilerServices.VisualC.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.Queryable.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-debug-l1-1-0.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Grace-ppd.xrm-ms.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\BCSRuntimeRes.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\7-Zip\Lang\sr-spc.txt.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-pl.xrm-ms.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Graph.exe.manifest.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-runtime-l1-1-0.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Java\jre-1.8\lib\tzdb.dat.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-pl.xrm-ms.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Models.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\vcruntime140.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Java\jre-1.8\lib\psfont.properties.ja.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-ul-phn.xrm-ms.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscordaccore_amd64_amd64_8.0.224.6711.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-conio-l1-1-0.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.CodePages.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-pl.xrm-ms.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\vcruntime140_cor3.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\Microsoft.VisualBasic.Forms.resources.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\WindowsBase.resources.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-console-l1-1-0.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Java\jre-1.8\bin\dt_shmem.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Java\jre-1.8\bin\server\classes.jsa.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-pl.xrm-ms.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\SUCTION.WAV.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.Concurrent.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Redshift\lib\sbicuuc53_64.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\WindowsFormsIntegration.resources.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Java\jre-1.8\bin\awt.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-ppd.xrm-ms.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.DataIntegration.FuzzyMatchingCommon.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mscss7cm_en.dub.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.FileSystem.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial1-ppd.xrm-ms.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsesp.xml.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sspi_bridge.dll.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunec.jar.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\jaccess.jar.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Grace-ul-oob.xrm-ms.tmp	9d1aaf60a62b13e6610d0ddd7f761820N.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	9d1aaf60a62b13e6610d0ddd7f761820N.exe

C:\Users\Admin\AppData\Local\Temp\9d1aaf60a62b13e6610d0ddd7f761820N.exe
"C:\Users\Admin\AppData\Local\Temp\9d1aaf60a62b13e6610d0ddd7f761820N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5460

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
29KB

MD5
564b81ff4061a7b705b1136c417706ca

SHA1
cd02f8b8dea5e37dcb0aaa10a43e711f418884b1

SHA256
20717a9e6a603ee38dc344731ad7ffd953937bf97489df0cbfdc466f56f9ccd2

SHA512
32cda31ca6b6b1bb0874b9a7bf9a66ad78e2161e872669c85fc3e4f16ed6eb0d937ccb2892373c17d2680c72b404652600d2cab5bc6f4f1e6457d1360002fd1b

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

Filesize
128KB

MD5
03cc184ccc2dfa43ffd2dc24d2443ea5

SHA1
ce89595fe6c0b1c60c61e0a41f81f3eb8d38fc06

SHA256
6cb9dd88b8b9db0065c0b80dc7ce28cf126065717fec2cbc9a26dac6f944bf57

SHA512
061e3fc922edaf20a5d0245dd2542e6e6f7938cf02a97f40fa49df3e8f9222381612423ef1b9299639b4b49ea2c8ff0d4e86a8146e853a9dfff33e5b7d52dcb3

Download Submit
memory/5460-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/5460-957-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download