75d6120e5163072279cd586762df882cdc00ee51426ec39731692f649d312527

Analysis

max time kernel
120s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 01:22

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General

Target

99230fc4fcd08d33152e34e1eef85cc0N.exe
Size

102KB
MD5

99230fc4fcd08d33152e34e1eef85cc0
SHA1

e5be20e200586455d157dba7a0d2c8ed58cb32aa
SHA256

75d6120e5163072279cd586762df882cdc00ee51426ec39731692f649d312527
SHA512

0f5dc7a1b54b1cdbc84a974b736359dc6ac46570708d1248990c4e844ffe96c0477fd8b27ac94fa958ba680046f8a07073836fc5308825cc7ff11854441f1336
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY58:fnyiQSox58

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4353) 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/632-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00080000000234dc-2.dat	upx
behavioral2/files/0x000400000002291b-6.dat	upx
behavioral2/memory/632-818-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-handle-l1-1-0.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial5-ppd.xrm-ms.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-ppd.xrm-ms.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\coreclr.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Extensions.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.Uri.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Forms.resources.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\santuario.md.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ul-oob.xrm-ms.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Grace-ul-oob.xrm-ms.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-pl.xrm-ms.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Office.PowerPivot.ExcelAddIn.tlb.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationProvider.resources.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_COL.HXC.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.DispatchProxy.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.RegularExpressions.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationClientSideProviders.resources.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Controls.Ribbon.resources.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-ul-oob.xrm-ms.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WacLangPackEula.txt.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-environment-l1-1-0.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.ZipFile.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win7_RTL.wmv.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\c2rpridslicensefiles_auto.xml.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jfr\default.jfc.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-xstate-l2-1-0.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\7-Zip\Lang\eo.txt.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\ShapeCollector.exe.mui.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encoding.Extensions.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\deploy.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Forms.Design.resources.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.resources.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Trial-ppd.xrm-ms.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TabTip.exe.mui.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.NonGeneric.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\clrgc.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemXmlLinq.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_OEM_Perp-ppd.xrm-ms.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\7-Zip\Lang\tk.txt.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\management.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\prism_d3d.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0016-0409-1000-0000000FF1CE.xml.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Controls.Ribbon.resources.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\PresentationFramework.resources.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\currency.data.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-memory-l1-1-0.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-pl.xrm-ms.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.PowerBI.Diagnostics.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Data.Common.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Encoding.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationClientSideProviders.resources.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationClient.resources.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\7-Zip\readme.txt.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\java.exe.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-ul-oob.xrm-ms.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AdeModule.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.TypeExtensions.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationClient.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Xaml.resources.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Controls.Ribbon.resources.dll.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe.tmp	99230fc4fcd08d33152e34e1eef85cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-pl.xrm-ms.tmp	99230fc4fcd08d33152e34e1eef85cc0N.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	99230fc4fcd08d33152e34e1eef85cc0N.exe

C:\Users\Admin\AppData\Local\Temp\99230fc4fcd08d33152e34e1eef85cc0N.exe
"C:\Users\Admin\AppData\Local\Temp\99230fc4fcd08d33152e34e1eef85cc0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:632

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-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp

Filesize
102KB

MD5
75f20e3789fbc426e35715c152231640

SHA1
e720f16a660772b9b521e5aa8794b1af55bda10f

SHA256
489527c96ad4c61d5f267c23bacb507c7c61a9e68ac79df698ca92a1436fba67

SHA512
040bdfa0a74606789858e30cd41fb8a844240f778022a9e8a21a2975dc7686760c24b557a566ed2fa57806e81ec622ff43a7caec2876c0656bfc93406f0736aa

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

Filesize
201KB

MD5
4eb7566acf20b4f7427015d1e2328d38

SHA1
24095c5d86d74e3da883dfa49e2027ff8f02e4bd

SHA256
dc9c31ab79cb759030de1e1517e4df0a171a9ccf5f64276faa439b1b37e6ec3b

SHA512
b0d67285753f8f54af48c755029f5b42bb59dd75c8b2b93f37d18069d00fd27df47a5590ce1f9c54c48c6ee067bf11513bcf6847e02cc1e424cd6d2ea350d429

Download Submit
memory/632-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/632-818-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download