7c3ad96a0498e7a75f6aa0547116c0734ff79533a11b1b7c86623d56a77ed0bc

Analysis

max time kernel
120s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 20:11

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Report Analysis Logs

General

Target

a1c98347257ec3ede851f8ad9b9b07c0N.exe
Size

89KB
MD5

a1c98347257ec3ede851f8ad9b9b07c0
SHA1

fa6d21aba03b6cda180e5ca21244b8ce01cb4acf
SHA256

7c3ad96a0498e7a75f6aa0547116c0734ff79533a11b1b7c86623d56a77ed0bc
SHA512

2d5970fa24f120ad6c6be6e885a04018465672f3674322fff379d7ec5e723b242b21c5a7b4b98aec8e579707f6c9454a52a98488448747cabd235fb846e78352
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY5+RoRw:fnyiQSox5+RoRw

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4354) 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/1304-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023451-2.dat	upx
behavioral2/files/0x0014000000022913-6.dat	upx
behavioral2/memory/1304-794-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\ar.txt.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledbjvs.inc.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationFramework.resources.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\unlimited\US_export_policy.jar.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription2-ppd.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Retail-ul-phn.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WordNaiveBayesCommandRanker.txt.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Common Files\System\msadc\msdarem.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLINTL32.DLL.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.Common.FrontEnd.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-ul-phn.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-ppd.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-ul-phn.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Grace-ppd.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.resources.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaTypewriterBold.ttf.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaTypewriterRegular.ttf.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\colorimaging.md.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-ul-oob.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-ul-oob.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Primitives.resources.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Proof.Culture.msi.16.fr-fr.xml.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\casual.dotx.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.Reporting.AdHoc.Shell.Bootstrapper.xap.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Xaml.resources.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-pl.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial3-pl.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.SecureString.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\server\classes.jsa.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\xalan.md.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-ppd.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_wer.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightDemiItalic.ttf.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONGuide.onepkg.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-convert-l1-1-0.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Grace-ul-oob.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_COL.HXT.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription4-pl.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest5-ul-oob.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-pl.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp5-ppd.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSS7DATA000C.DLL.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscorrc.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Trial-ppd.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ppd.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\IFDPINTL.DLL.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\1033\VSTOInstallerUI.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\uk.pak.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-conio-l1-1-0.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\dynalink.md.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.CodePages.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClient.resources.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\PresentationUI.resources.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\javacpl.cpl.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Tracing.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ppd.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_PrepidBypass-ul-oob.xrm-ms.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_K_COL.HXK.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.ReportDesign.Common.dll.tmp	a1c98347257ec3ede851f8ad9b9b07c0N.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	a1c98347257ec3ede851f8ad9b9b07c0N.exe

C:\Users\Admin\AppData\Local\Temp\a1c98347257ec3ede851f8ad9b9b07c0N.exe
"C:\Users\Admin\AppData\Local\Temp\a1c98347257ec3ede851f8ad9b9b07c0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1304

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-1-5-21-656926755-4116854191-210765258-1000\desktop.ini.tmp

Filesize
90KB

MD5
75f5f2a463cc5cfebf1af68b102e6684

SHA1
548ec47056c8937a5397b190d70c0395de82976f

SHA256
f7f1a4021648c4d576e3127257b38a7cddf304f9b5411bf8c7da3e6ce04d7d65

SHA512
e44959e18d6c267bfb5a5926761f85d48a6b73c59ef247f80341f94efd00e4a4dc29e04e0a8b458fc363464b5feac5fb8cc3f1f93d581342ff287e4714c70a7b

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

Filesize
188KB

MD5
41708de3c8b39e7abe68be87cfc98f8e

SHA1
7ab6099213311aff4c0b8295b2c0fd63155a6d9e

SHA256
6de01f53d8dc66afbba1e8b1868095daaaa10e1e265d83ffd9a2bdc38f75d766

SHA512
6785d262be53fc14028057d64921a67892a8b92e51e771ba80db787309cee8f55e067b8404977bd4ebb3ee5f2bb2dc6b5b89fb6355c0350b6d23f3cae722f684

Download Submit
memory/1304-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1304-794-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download