c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
24/07/2024, 02:58

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General

Target

c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
Size

81KB
MD5

e80e7a50eb4aefc7607b4d0ae0c4be34
SHA1

30425946056927bbf21c3f8263dc671f00931d1d
SHA256

c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59
SHA512

0a07640c7e530d729ed981f8242ccd98a61c90c1573c678e73a545bbf214c672b3071b92c9a04aca1cbb32672345f938154be6f96585e1f421a07c5c3016133f
SSDEEP

1536:V7Zf/FAxTWoJJZENTNyl2Sm0muTW7JJZENTNyl2Sm0mI:fny1tE427tE42C

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4722) 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/220-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233fa-2.dat	upx
behavioral2/files/0x000800000002345e-6.dat	upx
behavioral2/memory/220-1712-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Globalization.Extensions.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Java\jre-1.8\bin\prism_common.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-ppd.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\TipTsf.dll.mui.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Formats.Asn1.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationTypes.resources.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\libffi.md.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteFreeR_Bypass-ul-oob.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-ul-oob.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-pl.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp5-pl.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_MAK-pl.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\host\fxr\7.0.16\hostfxr.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-synch-l1-1-0.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationProvider.resources.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\7-Zip\Lang\ta.txt.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\tipresx.dll.mui.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\micaut.dll.mui.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\ru.pak.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\asm.md.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ul-phn.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Subscription-ul-oob.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.EventLog.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_OEM_Perp-pl.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Trial-pl.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\7-Zip\Lang\eo.txt.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\WindowsFormsIntegration.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jfxswt.jar.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Java\jdk-1.8\jre\THIRDPARTYLICENSEREADME.txt.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Trial-pl.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Trial-ul-oob.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVFileSystemMetadata.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\sqlxmlx.rll.mui.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ppd.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Parallel.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\WindowsFormsIntegration.resources.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Java\jre-1.8\bin\server\classes.jsa.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Office 2007 - 2010.eftx.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-ppd.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\vi\msipc.dll.mui.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\1033\SFMESSAGES.XML.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\7-Zip\History.txt.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\lv-LV\tipresx.dll.mui.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Xaml.resources.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Xaml.resources.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-ul-oob.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_MAK-ul-oob.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\TipRes.dll.mui.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledbvbs.inc.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationProvider.resources.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationProvider.resources.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Grace-ppd.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-ul-oob.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Office16\GRAPH.ICO.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-errorhandling-l1-1-0.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Data.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Controls.Ribbon.resources.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelFloatieTextModel.bin.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pkeyconfig-office.xrm-ms.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Primitives.dll.tmp	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.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	c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe

C:\Users\Admin\AppData\Local\Temp\c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe
"C:\Users\Admin\AppData\Local\Temp\c8925df597f43497bf45cd68bc9d550b9bad1c2f791cdc9e0412c97134ad2c59.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:220

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-1-5-21-1705699165-553239100-4129523827-1000\desktop.ini.tmp

Filesize
81KB

MD5
5c96fdb4f4f174ba925101c85200cea4

SHA1
c6be2287140cb5c5411c49fc64cc26cc8567fd0b

SHA256
c8e0b246acb77952f4be0f4c3a63c57e7fafd87b4b2071f04c91b17586d84d3b

SHA512
9fb3a97180ad5f3038b4e137ee14a4edc3288dfbb6904b653c04a22f2575f37d014376161ac908bebdf5fd7fd4402bda42571be8543cd512bafe8889da2b55ea

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

Filesize
180KB

MD5
ee617f3d38e5c25807af7fc20a194dbd

SHA1
c168896977632dd602d833093fb228d010992f2b

SHA256
4aba970a7b7ee16109fe1ecfa8e50201a1a075e2ede9cbd54334a43411953bb3

SHA512
84799ae3762b8121246329593412af115df7180689468e271777f616643337b24feee90a1195bdb87d984011e3e3ec2703b9ffb54494056f508b1a1afa28f56e

Download Submit
memory/220-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/220-1712-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download