e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06

Analysis

max time kernel
120s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15/10/2024, 04:37

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General

Target

e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
Size

153KB
MD5

fd1ce1453229b713443a854ddbedc950
SHA1

6aa9ef6efca1338e34a5f85aa736e5ca181f80fe
SHA256

e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06
SHA512

cc86e3d07d16fa2575c52baee47e0449aeaec6e6d288ebc7f41fb8c8d091e5edd561128b4ceb25c4fc39dfe9a4aa63538e9c370d5e303a270b7296def5b3cac3
SSDEEP

1536:V7Zf/FAxTWoJJ7TTQoQPyPheheEhNwNFkNXNFpiFu9Fy2XNgNFVNVNFomFaMFR04:fny1oRUheheW+0JO2XKFbd04

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4210) 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/3316-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b20-2.dat	upx
behavioral2/files/0x00040000000228fe-6.dat	upx
behavioral2/memory/3316-666-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-string-l1-1-0.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\ReachFramework.resources.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\README.txt.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-ul-oob.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_F_COL.HXK.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Forms.Primitives.resources.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Grace-ppd.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Grace-ul-oob.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientSub_M365_eula.txt.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLINTL32.DLL.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\t2k.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTrial-ul-oob.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-pl.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav.xml.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\ReachFramework.resources.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Retrospect.thmx.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_MAK-ul-phn.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-pl.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\AppXManifest.xml.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial-ul-oob.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Retail-ul-phn.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.dll.manifest.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\mshwLatin.dll.mui.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\zh-TW\tipresx.dll.mui.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Controls.Ribbon.resources.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-ppd.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-heap-l1-1-0.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Grace-ppd.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ul-oob.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\ClearImport.dot.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Memory.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\ReachFramework.resources.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Cryptography.Xml.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\af.pak.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-processthreads-l1-1-1.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\PresentationFramework.resources.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationUI.resources.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-localization-l1-2-0.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Xaml.resources.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\bcel.md.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_LinkNoDrop32x32.gif.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.pt-br.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\invalid32x32.gif.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jfr\profile.jfc.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-pl.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTest-pl.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledb32.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\libxml2.md.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Candara.xml.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\minimalist.dotx.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationClient.resources.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial-ppd.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-pl.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Grace-ul-oob.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ppd.xrm-ms.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\SharedPerformance.man.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordaccore_amd64_amd64_6.0.2724.6912.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Requests.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationTypes.resources.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-convert-l1-1-0.dll.tmp	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.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	e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe

C:\Users\Admin\AppData\Local\Temp\e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe
"C:\Users\Admin\AppData\Local\Temp\e8fc517da6a9e2e191cf51fb5766de025852cc088152efbe6dbc08c332b62d06N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3316

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

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Downloads

C:\$Recycle.Bin\S-1-5-21-3350944739-639801879-157714471-1000\desktop.ini.tmp

Filesize
153KB

MD5
12f669c18f53a8d50a14e581fba9a97b

SHA1
2cb5fa8ae388bedc49409bf7ab45a9f038cafb74

SHA256
3712b951ecd32d4c175b3b64faec501ee10cbd93385ddd41763b0eb0a66bf584

SHA512
e7860e74285ba324a5dea2e28e3b4e35fbcf023aeaf857c8be58d42ebcda6bf7c7016d6d641391122331deeba80f2725ebc2670743e99350cba0aaaac01befb6

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

Filesize
252KB

MD5
ccd02c992f28487181b932edf354075a

SHA1
c5af6f21a7353427f8e9414e65ec9908771fb015

SHA256
1a30628fa39a40df19e93e09c294de1dc56103c452035d32b36e514a9e67554c

SHA512
f55c7a5b18d603c2a2256d01b0b9739fbb7b25bb80f884c231479504aa0b0c667e0cd14823be33cb27af674d511f5a53551404b1f07c5ad5d9109d1bf3f43946

Download Submit
memory/3316-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3316-666-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download