a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-08-2024 00:51

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General

Target

a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
Size

70KB
MD5

262a3068b9658e28d922eeb9174594bc
SHA1

36a6ee3cf1d740c77fb3a0483bb1dccc895433b8
SHA256

a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e
SHA512

e03c34ca48fe679f7f6a4935ad23dc96eac1af1b8afb491f9e9ac79d6c1a467ba83123c68b057d0cb2d7a00bd7fe23f1203fc16365fca31cd7d67d25d61ddcfb
SSDEEP

1536:a7ZyqaFAxTWH1++PJHJXA/OsIZfzc3/Q8Q8/8fCy:enaypQSoskR

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5095) 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/3656-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000800000002347e-2.dat	upx
behavioral2/files/0x000c0000000220a6-7.dat	upx
behavioral2/memory/3656-1858-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\PresentationCore.resources.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\ReachFramework.resources.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_MAK_AE-ppd.xrm-ms.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MsoAriaCApiWrapper.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\mashupcompression.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\sqloledb.rll.mui.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Forms.resources.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationClientSideProviders.resources.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Internet Explorer\hmmapi.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\vcruntime140.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_KMS_Automation-ppd.xrm-ms.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\lt-LT\tipresx.dll.mui.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Parallel.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial2-ul-oob.xrm-ms.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-ul-oob.xrm-ms.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Redshift\lib\sbicuuc53_64.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\rsod\dcf.x-none.msi.16.x-none.tree.dat.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Dynamic.Runtime.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\nashorn.jar.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOADFPS.DLL.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Process.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClientSideProviders.resources.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\libEGL.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Glow Edge.eftx.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial-pl.xrm-ms.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_COL.HXT.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.ScriptDom.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-white_scale-80.png.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOMessageProvider.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.ZipFile.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsBase.resources.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_KMS_Client_AE-ul.xrm-ms.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ul-oob.xrm-ms.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial-pl.xrm-ms.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\CLICK.WAV.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\sfodbc.did.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\Edit.White.png.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-ppd.xrm-ms.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledbjvs.inc.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Pipes.AccessControl.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Core.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Forms.Design.resources.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationClient.resources.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Milk Glass.eftx.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RIntLoc.en-us.16.msi.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSQRY32.CHM.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCHART.DLL.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_kor.xml.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\server\Xusage.txt.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_KMS_Client-ppd.xrm-ms.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\System.Spatial.NetFX35.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-black_scale-180.png.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-80.png.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL001.XML.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\rsod\office32mui.msi.16.en-us.tree.dat.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-pl.xrm-ms.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\TipRes.dll.mui.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Common Files\System\ado\msado28.tlb.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\PresentationFramework.resources.dll.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_MAK-ul-oob.xrm-ms.tmp	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.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	a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe

C:\Users\Admin\AppData\Local\Temp\a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe
"C:\Users\Admin\AppData\Local\Temp\a7c04c93b4d24edab9453e1699d8b9ecc999b2761fa58494396f8dfe8bf69e6e.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3656

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-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp

Filesize
70KB

MD5
cb4a6f8fb82625a26889fb0e94da2f09

SHA1
d4ed7fe056597020b34e9001e1af358e329ff980

SHA256
0d4c321a3d355ae235230890a21adbd9b92d0d8f1ed97f037c4855720cd86217

SHA512
ee0886a8a7b5c9f697812518ab5644df958f94b7a5fa22498cf2a168482cb8826c0ddd482d39a8456722b9f30df2bbacb504c1eeeef8e06ce9813e8bdfc39558

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

Filesize
169KB

MD5
7d648a01ee5850161c442f15e3e3bec3

SHA1
351aace99f52c864fa62cfc279a4c7d323a9e059

SHA256
5c5647eff65b072502e43d8986445e58e95a0182ae0ace58bddfccb1453c4c1b

SHA512
960464da678e24900a7a3c30b968307f70e47550bd038df533c1f91ae09210907ba40be4577b5bcdfb2cae9a5575dd535c4ecd4c3b6be689392df95b27c8b604

Download Submit
memory/3656-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3656-1858-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download