5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca

Analysis

max time kernel
150s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 21:42

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General

Target

5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
Size

51KB
MD5

a608de1ca455536aca850f9b20e7e3e6
SHA1

b426606a31e4cfb5271b4fa7be56191da3af2684
SHA256

5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca
SHA512

062e1ab5292bfe5f394de664d4b60dc3a7944b8f69adb0783f4ab303eed785cbfe6a4d083d5580ef99fcf3095817ce72bfc671db795e98fadd519ed3fa8b5281
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9nP/+c+l:V7Zf/FAxTWoJJ7TU

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5209) 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/4516-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233ff-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/4516-874-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Quic.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-process-l1-1-0.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-180.png.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Common Files\System\ado\msader15.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Trial-ppd.xrm-ms.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-black_scale-80.png.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\7-Zip\Lang\fa.txt.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\tipresx.dll.mui.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\zh-TW\tipresx.dll.mui.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscorlib.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Emit.Lightweight.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-ul-phn.xrm-ms.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Linq.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Xml.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XDocument.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.Primitives.resources.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_OEM_Perp-ul-oob.xrm-ms.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\POWERPNT_F_COL.HXK.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Input.Manipulations.resources.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.AppContext.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-sysinfo-l1-1-0.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationClient.resources.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Diagnostics.EventLog.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l1-2-0.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Client\msvcp140.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Intrinsics.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.Primitives.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.ThreadPool.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationProvider.resources.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationProvider.resources.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\WindowsBase.resources.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\jawt_md.h.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\ChronologicalResume.dotx.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\UIAutomationProvider.resources.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\jpeg_fx.md.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\unlimited\US_export_policy.jar.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-handle-l1-1-0.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\bg\msipc.dll.mui.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Java\jre-1.8\bin\jp2iexp.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-ul-oob.xrm-ms.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Grace-ppd.xrm-ms.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Office16\GKExcel.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL077.XML.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN110.XML.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Common Files\System\fr-FR\wab32res.dll.mui.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_100_percent.pak.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Java\jre-1.8\bin\vcruntime140.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\sunmscapi.jar.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-pl.xrm-ms.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-80.png.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL111.XML.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Controls.Ribbon.resources.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Forms.Design.resources.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\de.pak.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Trial-ppd.xrm-ms.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_F_COL.HXK.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\comments.win32.tpn.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pkeyconfig-office.xrm-ms.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\wpfgfx_cor3.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\vk_swiftshader.dll.tmp	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.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	5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe

C:\Users\Admin\AppData\Local\Temp\5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe
"C:\Users\Admin\AppData\Local\Temp\5362f3bbe8c62de94d8fac9843520ba31e94ee25a20f660bd6b83bfe4916d8ca.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4516

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-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp

Filesize
51KB

MD5
1bf72dd5a33e1030a78438dad13e010e

SHA1
2a37d3cb94720e684885a4c137a0a96062e95678

SHA256
b2c7d03ce91c451e43380fa2855483ef37ee528e3fccf8f96d8c509668771bcc

SHA512
b2d32cf68a10f3814620a9f805086078b798f68c8fba5862ac1e50fcc1e178f475252a15a62c80d627da816718a3f5390a080bdeb422bae28a36c1fa2191005d

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

Filesize
150KB

MD5
a81de67360e213b7c9bc2c07b9c74f5b

SHA1
aa6612bb538cfb292de91f1bd63fe3a54a84c9d4

SHA256
e9e9a6c6c8639f92088e4be08c2431a87f843130c5cdf24aa55eb12c87f5e61e

SHA512
11bdc854330ffaa14b701bf762d41aa530b58db78a837e7e0a592c2e2dbda7668e5f0e15dddce22e076abab947f33eb96a2e9b6a8cbbb9012a499f541ef465e2

Download Submit
memory/4516-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4516-874-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download