1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc

Analysis

max time kernel
149s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 19:06

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Report Analysis Logs

General

Target

1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
Size

45KB
MD5

a86744ad2596957e545bf74d0c29a426
SHA1

49de4f8e8d61e17ff2a0e6f77c60687cabf2c6e2
SHA256

1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc
SHA512

a082e493b1beb9360bcf8712bc3d5c823b2591a0e1d4a6f1948c7b9961ae2e16f69df07718da3845b5a3d927ed10ff5c7219e2fde686ccc5c768aa69be245d36
SSDEEP

384:FBt7Br5xjL2Kd5AsAoh6n5eaOlIBXDaU7CPKK0TIh6SjeYDTcYDTwWsqWsYyk+ym:V7Blpf/FAK65euBT37CPKK0SjuWFWY

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5190) 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/4836-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023444-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/4836-906-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL103.XML.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscordaccore_amd64_amd64_8.0.224.6711.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationClient.resources.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogoDev.png.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-pl.xrm-ms.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\rsod\powerview.x-none.msi.16.x-none.boot.tree.dat.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\7-Zip\7z.sfx.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationTypes.resources.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-ul-phn.xrm-ms.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\TelemetryLog.xltx.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\OFFICE.DLL.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Design.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-process-l1-1-0.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-ul-phn.xrm-ms.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVClient.man.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.HttpListener.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.StackTrace.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Xaml.resources.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART9.BDR.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\he\msipc.dll.mui.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\CENTURY.TTF.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Intrinsics.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-ul-oob.xrm-ms.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\POWERMAPCLASSIFICATION.DLL.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ul-phn.xrm-ms.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msvcr120.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\ApothecaryNewsletter.dotx.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\EssentialResume.dotx.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcr120.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\WindowsBase.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscorrc.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationProvider.resources.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.scale-80.png.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqlxmlx.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\WindowsBase.resources.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\sRGB.pf.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_Subscription-pl.xrm-ms.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-ul-oob.xrm-ms.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\TipRes.dll.mui.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Immutable.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javaws.exe.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\asm.md.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-ppd.xrm-ms.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.ReportingServices.AdHoc.Excel.Client.Entry.Interfaces.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mip_clienttelemetry.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\MSHY7FR.DLL.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationClientSideProviders.resources.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\LINEAR_RGB.pf.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_PrepidBypass-ul-oob.xrm-ms.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.DataIntegration.FuzzyMatchingCommon.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-pl.xrm-ms.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\7-Zip\Lang\ky.txt.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\ea.xml.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Threading.AccessControl.dll.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\af.pak.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Java\jre-1.8\lib\jfr\profile.jfc.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-pl.xrm-ms.tmp	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.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	1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe

C:\Users\Admin\AppData\Local\Temp\1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe
"C:\Users\Admin\AppData\Local\Temp\1a8664e95272f11b81f8fa8f5f57a8aca9c6c6ac4cfc0d9609b8480385cc6ecc.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4836

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-1-5-21-786284298-625481688-3210388970-1000\desktop.ini.tmp

Filesize
46KB

MD5
12d6e409773e91425415591e97f57705

SHA1
be960dcae655350ef548bf74dc4f54049261aed9

SHA256
be9d7db1c8496e8d069628bcc80e7ed7c78d1da776abe0f7f748b450d9cc6093

SHA512
8292a2560309057fae1bcf9707fc9203adb53aaed650d249540a53b7cba381c287beafc4f7065af9559de4d16269f7f3f281efcd876a6f3b9f036279926d8b95

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

Filesize
145KB

MD5
4e2a5597748cc64b3162629b605cd0e0

SHA1
33c44a31113017d0a7387490d3a1ffe688bc1636

SHA256
7b03b9101c8c20a776742cf71cd1c20edc4bb042edb46c93291bb932232ef3bf

SHA512
601ed6e53c166435ae8dd8893e996d3cb31eddb81aa606b3cc591318484f3e4499fa06a3b913b15f4dd9e86e057e467c507feabb3c83eb161dd6dd47c1ee2fdb

Download Submit
memory/4836-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4836-906-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download