2182ba27515f64c2322d33f7bb1f6388a54e832741958a669467f9c0ab19a179

Analysis

max time kernel
120s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 21:27

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General

Target

04f34b3e57a09cb96465058c61cea9e0N.exe
Size

60KB
MD5

04f34b3e57a09cb96465058c61cea9e0
SHA1

8b300fbf8db04e8c9a240bb84de816dfd9d9d1a3
SHA256

2182ba27515f64c2322d33f7bb1f6388a54e832741958a669467f9c0ab19a179
SHA512

f4c2d8f6458f4bec28392d53c885fc06553b5d22d51353f6d5a08933266195a141ce6d5be2fb119d8094ebddabac073d58caf5149eec5769e397afc4fd028c05
SSDEEP

1536:V7Zf/FAxTWoJJB7LD2I2IGBq6nnrsDjXHeMchMiic:fny1tD33GBq6nnYDj3eMchMiic

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4661) 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/4812-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00080000000234de-2.dat	upx
behavioral2/files/0x0014000000022930-6.dat	upx
behavioral2/memory/4812-1956-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\msadc\adcjavas.inc.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Controls.Ribbon.resources.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_KMS_Client_AE-ul.xrm-ms.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mscss7es.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Configuration.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Forms.Design.resources.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.VisualBasic.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Retrospect.thmx.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ppd.xrm-ms.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_Grace-ppd.xrm-ms.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-ul-oob.xrm-ms.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\dotnet\dotnet.exe.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jni.h.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\wsdetect.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\ReachFramework.resources.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\JAWTAccessBridge-64.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.Design.resources.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\gstreamer-lite.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-pl.xrm-ms.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.nl-nl.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription1-pl.xrm-ms.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\McePerfCtr.man.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tr-TR\tipresx.dll.mui.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationClientSideProviders.resources.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationUI.resources.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Java\jdk-1.8\README.html.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.MemoryMappedFiles.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_LinkNoDrop32x32.gif.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp2-ul-phn.xrm-ms.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_Subscription-ul-oob.xrm-ms.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Trial-pl.xrm-ms.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\th\msipc.dll.mui.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-xstate-l2-1-0.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.hash.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationProvider.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\vcruntime140.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\LyncBasic_Eula.txt.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.scale-180.png.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\ca.pak.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial5-ppd.xrm-ms.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_MAK-ul-phn.xrm-ms.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\TURABIAN.XSL.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\hr\msipc.dll.mui.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqloledb.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationClient.resources.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jce.jar.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.DataWarehouse.Interfaces.DLL.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\7-Zip\Lang\uz-cyrl.txt.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\ucrtbase.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.wordmui.msi.16.en-us.xml.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\PresentationFramework.resources.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationClientSideProviders.resources.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_KMS_Client-ul.xrm-ms.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_SubTrial-pl.xrm-ms.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SkypeForBusinessVDI2019_eula.txt.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\kor-kor.xml.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Common Files\System\ado\msado25.tlb.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\UIAutomationClientSideProviders.resources.dll.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\id.pak.tmp	04f34b3e57a09cb96465058c61cea9e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_MAK-pl.xrm-ms.tmp	04f34b3e57a09cb96465058c61cea9e0N.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	04f34b3e57a09cb96465058c61cea9e0N.exe

C:\Users\Admin\AppData\Local\Temp\04f34b3e57a09cb96465058c61cea9e0N.exe
"C:\Users\Admin\AppData\Local\Temp\04f34b3e57a09cb96465058c61cea9e0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4812

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-1-5-21-2077438316-259605770-1264560426-1000\desktop.ini.tmp

Filesize
60KB

MD5
9be6f67bacadfc9c18db9c01af377f4e

SHA1
3e09f08c8d25d087b4b58283e3d20c312853bb97

SHA256
bb859201560c6bb0a96a4b534e19f492d366ea41b991d6fe5d73f41cdefaccc5

SHA512
4cbe6a1f6075071cfa6256ed724760eb1b3618eb9ecbd7dd805d770d20f5c971d81621ef14776b88ec49ff746151c9b71894303ab337c7c4ac0fb791fd97e31b

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

Filesize
159KB

MD5
f80c4c6a1d4d80d39f5424f7a1aa8ca5

SHA1
d5736d4d848f4e85561f5190e35457e3cb6cfc8f

SHA256
29551bab6e8ef30cee85d49728637049df813d1ce7c60b938451b1c8fafd35e2

SHA512
25b58b34ba3cc8dac21aaaabba05fcb5b6ce572b93efbff5721ccb0c3033c3ee4ea2a742fdf16686780295018a80a4d9b5676867a29e45dd8e0effee5a7246c4

Download Submit
memory/4812-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4812-1956-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download