e0ae9d23a93b8a4dcb8bc9732d2eb6fb159274a710f6be90a8b7a4a37efa129d

Analysis

max time kernel
119s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27/07/2024, 11:42

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General

Target

bf2714538604df92de5a2812031840e0N.exe
Size

46KB
MD5

bf2714538604df92de5a2812031840e0
SHA1

c587e18d24e43d0926fa0c77e120d2ff8659a410
SHA256

e0ae9d23a93b8a4dcb8bc9732d2eb6fb159274a710f6be90a8b7a4a37efa129d
SHA512

46a7c4dd8e4a14b3c521b915dc66c1e2190d3073359207cedfaeb3932e6e9349272bb14fe439ee730300b71a5b1b24855b7f3a9f226d9debb3ab33e9292ffc47
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcwBcCBcq:V7Zf/FAxTWoJJ7Tt

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (2301) 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/1984-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023490-2.dat	upx
behavioral2/files/0x0014000000022909-6.dat	upx
behavioral2/memory/1984-1297-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\libpng.md.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\th-TH\tipresx.dll.mui.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Timer.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Common Files\System\ado\msadox.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.Xml.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.AccessControl.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Accessibility.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Accessibility.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationTypes.resources.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_jpn.xml.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Common Files\System\de-DE\wab32res.dll.mui.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Resources.Writer.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javap.exe.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgePackages.h.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\ShapeCollector.exe.mui.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\InkObj.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.Json.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\ReachFramework.resources.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Controls.Ribbon.resources.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationCore.resources.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\he.pak.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.id-id.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.Concurrent.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Linq.Queryable.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\WindowsBase.resources.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\j2pkcs11.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msdaprsr.dll.mui.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.NonGeneric.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\PresentationFramework.resources.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.OpenSsl.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\UIAutomationProvider.resources.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Xaml.resources.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Xaml.resources.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Controls.Ribbon.resources.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.Primitives.resources.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.VisualBasic.Forms.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\ReachFramework.resources.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Internet Explorer\IEShims.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msaddsr.dll.mui.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\WindowsBase.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hu-HU\tipresx.dll.mui.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\WindowsBase.resources.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\WindowsBase.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.Primitives.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Channels.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Controls.Ribbon.resources.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Internet Explorer\ieinstal.exe.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\zip.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad.xml.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Input.Manipulations.resources.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.Design.resources.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Forms.Primitives.resources.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\vcruntime140_cor3.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcp140.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Quic.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\mlib_image.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Globalization.Extensions.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Globalization.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Ping.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ServiceProcess.dll.tmp	bf2714538604df92de5a2812031840e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Drawing.Design.dll.tmp	bf2714538604df92de5a2812031840e0N.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	bf2714538604df92de5a2812031840e0N.exe

C:\Users\Admin\AppData\Local\Temp\bf2714538604df92de5a2812031840e0N.exe
"C:\Users\Admin\AppData\Local\Temp\bf2714538604df92de5a2812031840e0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1984

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-1-5-21-384068567-2943195810-3631207890-1000\desktop.ini.tmp

Filesize
46KB

MD5
e97b76b64b1c10ffbd63dc35dc9d2f6d

SHA1
b17eca3c9a0ef0d7978fb4dc137a5bcab0b44308

SHA256
2105bcbf7446ddf5e31574af2872b011fe426ceafa719e46e666889833d155fa

SHA512
bf5bff1e391b6f9e2aff73b2a3d942dc2a0a3a4eb10ad004265b26b40b20de1b1e67824d962f1942d182f081b55537491d88fb9203a9087a79a2d0e9278b8505

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

Filesize
145KB

MD5
0b77e7f6eb3eba30b631faec44995ef1

SHA1
ede33fc977a9d19cec3172459a3d11dc675601c3

SHA256
066da27de38741af6a00d990f866d7f08c9514c88327c5423ffbb35cb130310f

SHA512
4ca4a92e4acdcee0a9066762b8762b2ed78348ea077aeab01486aacbeac7eb43aaede61150ac6010987b8ec2f4a0aba5c522b3e7c175e90f0533a66013e480f6

Download Submit
memory/1984-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1984-1297-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download