989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17

Analysis

max time kernel
31s
max time network
43s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2024 09:00

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Reason

Machine shutdown

Report Analysis Logs

General

Target

989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
Size

50KB
MD5

2efd449f981991bdd001eeac0ae70cd0
SHA1

fe8426297864ef13e685ae61a03442565f38c982
SHA256

989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17
SHA512

89c7f756349e974252d19f4b3079fb9ba8d4534329edcf447d7816c25d184e7fdd8038d09cab277cf849acf4c2c2fed3f95fbe19096385f85c325f774cee7c94
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9ebZoLSKS1:V7Zf/FAxTWoJJ7TYZoLRm

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (1040) 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/4228-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023455-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/4228-936-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.lt-lt.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\lv-LV\tipresx.dll.mui.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Expressions.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebHeaderCollection.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\WindowsBase.resources.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\ClientEventLogMessages.man.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ja-jp-sym.xml.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\micaut.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\msquic.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.OpenSsl.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\Microsoft.VisualBasic.Forms.resources.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\7-Zip\Lang\fy.txt.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\System\ado\msador28.tlb.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msdaremr.dll.mui.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\sqloledb.rll.mui.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.AccessControl.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Cng.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Xaml.resources.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\lt-LT\tipresx.dll.mui.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Pipes.AccessControl.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Primitives.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Contracts.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\7-Zip\Lang\pl.txt.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\7-Zip\Lang\va.txt.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\tipresx.dll.mui.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsnor.xml.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ko-KR\tipresx.dll.mui.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.WebClient.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Primitives.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\7-Zip\Lang\tr.txt.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad\osknumpadbase.xml.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\TipTsf.dll.mui.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\oledb32r.dll.mui.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Web.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.DiaSymReader.Native.amd64.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Http.Json.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\7-Zip\Lang\vi.txt.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsfin.xml.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\ShapeCollector.exe.mui.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-process-l1-1-0.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Drawing.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.NonGeneric.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\FrequentOfficeUpdateSchedule.xml.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskpred\oskpredbase.xml.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.FileVersionInfo.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Data.DataSetExtensions.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\7-Zip\Lang\hu.txt.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\7-Zip\Lang\mng.txt.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-environment-l1-1-0.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Xaml.resources.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\7-Zip\7z.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\microsoft shared\VGX\VGX.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msaddsr.dll.mui.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Extensions.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationClientSideProviders.resources.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\7-Zip\7zFM.exe.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.en-us.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msadcer.dll.mui.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.MemoryMappedFiles.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Ping.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Json.dll.tmp	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.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	989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe

C:\Users\Admin\AppData\Local\Temp\989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe
"C:\Users\Admin\AppData\Local\Temp\989d399d302b812baeaf5d9cedfd8452b248c6abac164f503bb50bbea559cb17N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4228

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-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

Filesize
50KB

MD5
8a15a60e5a197680d8511ccf848b4774

SHA1
c833173a06b7eb42ba962c2e882a0eb9cbb92098

SHA256
4cdb3d4d93357d783a3cc89299db2d8e75f9fda61b24feee8276a43498e72421

SHA512
a41e2217958fefe69c04a35359b5e873c48ab1086bafc4433818155199b925af85ea2eb27272563c0962dc99acc9cbc4137933634883feeea31ad10783babb39

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

Filesize
149KB

MD5
77178850f26d19ee3b65268e75e33049

SHA1
2ff7de7feb7024f0bc745680aa73efa0200c4017

SHA256
76134c9fb336fdc6dd4bf9997df253f2c85758b097ca2a752f25b15bac6a7cad

SHA512
897471001fa094442f867682531308b5bcb3c0c7126117978bfb35227724516dcffc7010c1238aa8e9f26b2cb0e96d205d35edd0097ad32126c409f6d867a558

Download Submit
memory/4228-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4228-936-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download