fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f

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
02/09/2024, 06:18

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General

Target

fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
Size

34KB
MD5

bfdf703005ba78fd9d6d10245e84fc6f
SHA1

62defcac18f34c2d91f8da5bf6eb41610cc2d6c8
SHA256

fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f
SHA512

0ac59addac8ca91bdcc9c03691b523d75e35090f8aa9b01abb2a701c3f189bf58ba0397443f4f2e975efcab53db75e995054824e5505238e83c8e5ed3c337b3a
SSDEEP

768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATNydWK9WKF9ADJ59ADJs3353e353L:CTW7JJZENTNyoKIKMO

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5274) 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/4204-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0008000000023468-2.dat	upx
behavioral2/files/0x000800000002346b-6.dat	upx
behavioral2/memory/4204-1008-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest1-ul-oob.xrm-ms.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSVCP140_APP.DLL.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\7-Zip\Lang\ta.txt.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Forms.resources.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\resources.jar.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-pl.xrm-ms.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\rsod\dcfmui.msi.16.en-us.tree.dat.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RUI.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\localedata.jar.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ul-phn.xrm-ms.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\UIAutomationTypes.resources.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\zh-TW.pak.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Xaml.resources.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ar.pak.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\ffjcext.zip.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Controls.Ribbon.resources.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Client\concrt140.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.scale-140.png.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN054.XML.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Input.Manipulations.resources.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Extensions.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\WindowsBase.resources.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sspi_bridge.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\thaidict.md.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription3-ppd.xrm-ms.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msdaremr.dll.mui.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Xaml.resources.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Forms.resources.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-ppd.xrm-ms.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Grace-ppd.xrm-ms.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javafx_font.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\libffi.md.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ul-phn.xrm-ms.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\it-IT\msinfo32.exe.mui.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Pipes.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\PresentationFramework.resources.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\cryptix.md.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial2-ul-oob.xrm-ms.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-pl.xrm-ms.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.DataWarehouse.Interfaces.DLL.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\concrt140.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\WindowsBase.resources.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\javafx.properties.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-ul-oob.xrm-ms.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_PrepidBypass-ppd.xrm-ms.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_COL.HXC.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\7-Zip\Lang\lij.txt.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.Annotations.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Java\jre-1.8\bin\dtplugin\deployJava1.dll.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\wordEtw.man.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\rsod\word.x-none.msi.16.x-none.boot.tree.dat.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART1.BDR.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\7-Zip\Lang\ro.txt.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\mr.pak.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogoBeta.png.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Grace-ppd.xrm-ms.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\NPSPWRAP.DLL.tmp	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.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	fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe

C:\Users\Admin\AppData\Local\Temp\fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe
"C:\Users\Admin\AppData\Local\Temp\fd7d7bc00eba0317c3b07e6b5a8a55999407d35b624a0563a53f796a82619d9f.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4204

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-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

Filesize
34KB

MD5
da71081266c5e26516f75d31819f86b1

SHA1
09a0a4df7dd16be17ba4bc66b44371f50736deee

SHA256
fabff1afe44ff9ea1d7c66c88099efb78c42fe97f395b63e9c90eb71c159ea8c

SHA512
66a93cbf466fdcd4d56f5c2e677c11b10f95fb348c875daccceb266f9af860640fe426bba764dd392261e8eb3bbb7a95d45c35c86e5e4edb1295b04548c7baa5

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

Filesize
133KB

MD5
cfcfe81986623f793485c6c6f9d09342

SHA1
99673fe1a57e5305284f48ff693b7673bcacb89f

SHA256
6015ffa3f32909422169e4841a0dab0fd96c2c717ae1c3f93409871f170f8b78

SHA512
f2ecf650a9faa0bf3ce0b373d15a50834ed533ae40e3c46aaedc572f020e51a21da9c13e2884c6186a7f3fa3698203ec840fad6ce963d9afaa883980d74dcc0a

Download Submit
memory/4204-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4204-1008-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download