3488303041657476c357893ac6e659f71f3a150016724f30764815499a074b79

Analysis

max time kernel
120s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/09/2024, 05:42

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General

Target

8867385169545f205b1cfbc3880772b0N.exe
Size

42KB
MD5

8867385169545f205b1cfbc3880772b0
SHA1

5254de899b0c35fad666d7b7c60035966f327879
SHA256

3488303041657476c357893ac6e659f71f3a150016724f30764815499a074b79
SHA512

1b6db802d2332026e295f9ec2acc6679b8c5a7e3be3a876dc33226ed40332ac3fea42aae9a07e2cf3170506ed079029614e518526448a413ba2c97a1d95d872e
SSDEEP

768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcu90TKe+0TKeinMdi:CTWUnMdyGdyoIOIB

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4565) 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/4840-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000900000002347c-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/4840-866-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemXmlLinq.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\deploy.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\classlist.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial2-ul-oob.xrm-ms.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationFramework.resources.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.CodeDom.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\unpack.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationClientSideProviders.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail-ul-phn.xrm-ms.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Trial-pl.xrm-ms.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Graph.exe.manifest.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\ShapeCollector.exe.mui.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\java.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\+Connect to New Data Source.odc.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\InputPersonalization.exe.mui.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\LyncBasic_Eula.txt.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLMACRO.CHM.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Common Files\System\ado\en-US\msader15.dll.mui.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\Alphabet.xml.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\el.pak.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\JAWTAccessBridge-64.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail-ul-oob.xrm-ms.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-pl.xrm-ms.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\7-Zip\Lang\sr-spl.txt.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\PresentationUI.resources.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.excelmui.msi.16.en-us.xml.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.Immutable.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-black_scale-80.png.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest-ul-oob.xrm-ms.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqlxmlx.rll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\Microsoft.VisualBasic.Forms.resources.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-ul-phn.xrm-ms.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART5.BDR.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\7-Zip\Lang\da.txt.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsrom.xml.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\msdasqlr.dll.mui.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\netstandard.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_HK.properties.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0090-0409-1000-0000000FF1CE.xml.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_OEM_Perp-ppd.xrm-ms.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\bg-BG\tipresx.dll.mui.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_logo_large.png.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ul-phn.xrm-ms.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.Design.Editors.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Google\Chrome\Application\chrome.VisualElementsManifest.xml.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\management\management.properties.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ul-oob.xrm-ms.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-math-l1-1-0.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp4-ppd.xrm-ms.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-ul-oob.xrm-ms.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\WindowsBase.resources.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Controls.Ribbon.resources.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ar.pak.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Office Theme.thmx.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Wisp.thmx.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.sv-se.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Formats.Tar.dll.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_fr.properties.tmp	8867385169545f205b1cfbc3880772b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_Subscription-ppd.xrm-ms.tmp	8867385169545f205b1cfbc3880772b0N.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	8867385169545f205b1cfbc3880772b0N.exe

C:\Users\Admin\AppData\Local\Temp\8867385169545f205b1cfbc3880772b0N.exe
"C:\Users\Admin\AppData\Local\Temp\8867385169545f205b1cfbc3880772b0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4840

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
43KB

MD5
0a7cc2fc950bbe3b2b2d7a8175e3b395

SHA1
e9f4659d94236110a17626a8fcb8a33ecdffcf0a

SHA256
e1c69b8cb1b68fc55755405f088d2f714383892c9a60d6e58a4e860def7e330d

SHA512
29462d1476bd16a9054e296e68cc6044445fd5ee5782b9cb0efa64021e31e1d7eb1ee372c3afb4dc720a73db985648d5cb9fdeff0a32e304e6984843a1c8e10d

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

Filesize
141KB

MD5
c28578269f972dccd06ba5c353e5b3da

SHA1
95cb4bacb9316a8a49cf724c03742e24cf140c0b

SHA256
f09fc49bb40b8ad5c101daee71ca24e7f2d6f15a92a26d51bba8e4096fb13352

SHA512
1f322d4fa5aaaae442f96bdeb7766d69873bafe24eb2b04ac56ec0c93a4df164dd6d0ff7d0002add5d0e3f2887a99d1abf0d049f6ad35eef693fbcccc0b11f78

Download Submit
memory/4840-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4840-866-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download