77c2223775eeab6abacd73fe96334333251107e184c1412bb5bc1ba202115b7d

Analysis

max time kernel
120s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 15:36

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General

Target

f879f38cbaf98d2c3ad094e80c361610N.exe
Size

110KB
MD5

f879f38cbaf98d2c3ad094e80c361610
SHA1

b54a737f82d3c5dd939d6411a20a9f02f5df7472
SHA256

77c2223775eeab6abacd73fe96334333251107e184c1412bb5bc1ba202115b7d
SHA512

23723213a87d9686e4d5c07914408d944ce8923531ac012817b03b5ff4fccf292f959282f91f2bf8069580bec5fa9515230b3a716ed9814436452f5125b59f35
SSDEEP

3072:6pWpUFpEhLfyBtPf50FWkFpPDze/qFsxEhLfyBtPf50FWkFpPDze/qFslEhLfyBS:PqFF2Ie+efsim2J

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4411) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremDemoR_BypassTrial365-ppd.xrm-ms.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription3-pl.xrm-ms.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription5-pl.xrm-ms.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-ul-oob.xrm-ms.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\EntityDataHandler.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Contracts.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Timer.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunec.jar.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.WindowsAzure.StorageClient.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\TURABIAN.XSL.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Xml.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Buffers.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\webkit.md.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16ConsumerPerp_Bypass30-ul-oob.xrm-ms.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Trial-ul-oob.xrm-ms.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationClientSideProviders.resources.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-timezone-l1-1-0.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jfr\profile.jfc.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Globalization.Calendars.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.WindowsDesktop.App.deps.json.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\sRGB.pf.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial1-ul-oob.xrm-ms.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ko-KR\tipresx.dll.mui.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Emit.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Configuration.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-pl.xrm-ms.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\nb-NO\tipresx.dll.mui.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationProvider.resources.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationProvider.resources.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Java\jre-1.8\bin\sunec.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-pl.xrm-ms.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\EventSource.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\7-Zip\Lang\mng.txt.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscorrc.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.resources.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgePackages.h.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\java.policy.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ul-oob.xrm-ms.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_MAK-ppd.xrm-ms.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.OleDbProvider.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msadcor.dll.mui.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\msdasqlr.dll.mui.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.IO.Packaging.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\it.pak.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Java\jre-1.8\lib\flavormap.properties.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_Subscription-ul-oob.xrm-ms.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-pl.xrm-ms.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipshrv.xml.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Numerics.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\swidtag\Microsoft Windows Desktop Runtime - 8.0.2 (x64).swidtag.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription-pl.xrm-ms.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\BHOINTL.DLL.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Drawing.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTrial-pl.xrm-ms.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.PPT.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.dll.manifest.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\7-Zip\Lang\uz.txt.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\vcruntime140.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.Xml.dll.tmp	f879f38cbaf98d2c3ad094e80c361610N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-pl.xrm-ms.tmp	f879f38cbaf98d2c3ad094e80c361610N.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	f879f38cbaf98d2c3ad094e80c361610N.exe

C:\Users\Admin\AppData\Local\Temp\f879f38cbaf98d2c3ad094e80c361610N.exe
"C:\Users\Admin\AppData\Local\Temp\f879f38cbaf98d2c3ad094e80c361610N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3312

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
111KB

MD5
f55a3ad71d06e543fbec9b26ef080a57

SHA1
02c2c8e74670d6f881f180ddc4d37b11216f042b

SHA256
1effdea855aaccce7005720ce7994d9d2e659c144eedd442be1a59918e63cd49

SHA512
0b0381270584894f6b5b012652225e65ba7820b123dfa3f360030563c523795fc0c9f0dc7debc90a04ed395452edd4b2468de4dcb750996a0b4e03409a3bd309

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

Filesize
210KB

MD5
701275bf74f76af29369f2171d703692

SHA1
04ba18001617282e2adcff6452192156ad44b7be

SHA256
bdd033658b605da20fc75c5f513e05355cb2487455bd3fcb5c54eff41e1998ff

SHA512
ba352bbe10af169af637da10c032e01fd8558f6ee657f6ebcc3ecd893e830d2e3f5a9a664d360bdc59e36cc9585c8d1b5ca040f58980796c706038964f195d13

Download Submit