b5d770507ae29a489df7619bfc6c77be7a160be1c2b71a4af0b05d91407d25df

Analysis

max time kernel
119s
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
23/08/2024, 00:30

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General

Target

293f91cf677120c68d9cd63e3e4052c0N.exe
Size

48KB
MD5

293f91cf677120c68d9cd63e3e4052c0
SHA1

cdced02699667cd719240f806960c40a7d90861a
SHA256

b5d770507ae29a489df7619bfc6c77be7a160be1c2b71a4af0b05d91407d25df
SHA512

204b15092da769ef20e81f37a60d3d8122e599290ecf6ada7657be72874d916fdd46b7e01b08294161921d5e0d8d9cabd64d1e98468a0f8e42f97f9c1790bf5f
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9xt8W82:V7Zf/FAxTWoJJ7THJ

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4655) 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/2228-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233d7-2.dat	upx
behavioral2/files/0x0004000000022922-7.dat	upx
behavioral2/memory/2228-914-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Grace-ppd.xrm-ms.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mscss7es.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\vcruntime140_1.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\verify.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_Subscription-ppd.xrm-ms.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-ul-oob.xrm-ms.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\7-Zip\Lang\mng2.txt.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msdaremr.dll.mui.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\PresentationFramework.resources.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_OEM_Perp-ul-oob.xrm-ms.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\oledb32r.dll.mui.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.Primitives.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Java\jre-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_OEM_Perp-pl.xrm-ms.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-pl.xrm-ms.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Input.Manipulations.resources.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationTypes.resources.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\WindowsFormsIntegration.resources.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\wpfgfx_cor3.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\relaxngdatatype.md.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_Grace-ul-oob.xrm-ms.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription3-pl.xrm-ms.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Core.NetFX35.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Controls.Ribbon.resources.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\ReachFramework.resources.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightItalic.ttf.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\vcruntime140_1.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\policy\unlimited\local_policy.jar.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\cacerts.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-ppd.xrm-ms.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ppd.xrm-ms.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-timezone-l1-1-0.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\ShapeCollector.exe.mui.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Encoding.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\ReachFramework.resources.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\UIAutomationClientSideProviders.resources.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\PresentationUI.resources.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-heap-l1-1-0.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Drawing.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Grace-ul-oob.xrm-ms.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.EventBasedAsync.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationClientSideProviders.resources.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationProvider.resources.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\giflib.md.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH.HXS.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Grace-ul-oob.xrm-ms.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Grace-ul-oob.xrm-ms.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrenclm.dat.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Http.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\pkcs11cryptotoken.md.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ul-oob.xrm-ms.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTest-ppd.xrm-ms.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationClientSideProviders.resources.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationClientSideProviders.resources.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Controls.Ribbon.resources.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationProvider.resources.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\zh-CN.pak.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\keytool.exe.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\dt_shmem.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsita.xml.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Buffers.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\Microsoft.VisualBasic.Forms.resources.dll.tmp	293f91cf677120c68d9cd63e3e4052c0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Century Gothic.xml.tmp	293f91cf677120c68d9cd63e3e4052c0N.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	293f91cf677120c68d9cd63e3e4052c0N.exe

C:\Users\Admin\AppData\Local\Temp\293f91cf677120c68d9cd63e3e4052c0N.exe
"C:\Users\Admin\AppData\Local\Temp\293f91cf677120c68d9cd63e3e4052c0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2228

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-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

Filesize
48KB

MD5
c35bea24c4b541d813db8400afdab5d9

SHA1
7e1fad3a5a20f5407e637fc6827a81fc1a10c841

SHA256
2711f3896122800730a621a1c701d6e21ebefaae21a643b7a7c18b80c1e65a46

SHA512
69135a0f5cfacbf5311eae0a37d613d62c92eb96c383f74a8b832528fd7f725f6689d5ebdd763ae13077c7465c967dc2472b44e12a35dcb92e156d1e40bcb266

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

Filesize
147KB

MD5
44cd165655e6e502808913caaa5a17b9

SHA1
9432b8fd5ceb7a75ca069badd35918280c0de7d0

SHA256
8d28231dd21bef88d570a3d286bd3f3b0ca11ad5021d792fa2ea4ce82a8493a7

SHA512
8ac47c78bd8056b6824e72a7e34758c666a50cb92cd17ef8aa4395b8ff5fb7e2abf4c7f17daf0277c0fbac5622a5fb75496dec83b9befa29959eec1a89458621

Download Submit
memory/2228-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2228-914-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download