16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42be

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2024 08:54

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General

Target

16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
Size

101KB
MD5

4902ae2031d7fb54f5fa7882757c2f70
SHA1

b5f86d9fba455342a4ed92e5881d4d33c39d1909
SHA256

16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42be
SHA512

2c6232fcf4cf04b92ff40746c075fbe13e61b3bc85de300fec32acf02d6c30532d02e89e0137024b62ddbb167b8b06f87ca6b142221465c337230bf630379f06
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjSEXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rE:V7Zf/FAxTWtnMdyGdy+TWUnMdyGdyWV4

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4356) 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/2516-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023615-2.dat	upx
behavioral2/files/0x000600000001690a-6.dat	upx
behavioral2/memory/2516-840-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\DataStreamerLibrary.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-heap-l1-1-0.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_MAK_AE-ul-phn.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-ul-oob.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.Xml.Linq.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Trial-ppd.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-ul-oob.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GR8GALRY.GRA.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Contracts.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\ReachFramework.resources.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-ppd.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-ul-phn.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledbjvs.inc.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-conio-l1-1-0.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-private-l1-1-0.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\GostName.XSL.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TabTip.exe.mui.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages.properties.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-ul.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-pl.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Grace-ppd.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_MAK-pl.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationProvider.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Java\jre-1.8\lib\jsse.jar.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-runtime-l1-1-0.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsid.xml.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.Win32.Primitives.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\WindowsFormsIntegration.resources.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationClientSideProviders.resources.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\kinit.exe.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jawt.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libffi.md.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.en-us.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.XmlSerializer.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.StackTrace.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationTypes.resources.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ppd.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\sqloledb.rll.mui.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ppd.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Grace-ul-oob.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationCore.resources.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\zh-TW.pak.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_OEM_Perp-ul-phn.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-pl.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-pl.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\fr-FR\msinfo32.exe.mui.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Common Files\System\ado\fr-FR\msader15.dll.mui.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Controls.Ribbon.resources.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationUI.resources.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Drawing.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\orbd.exe.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-file-l2-1-0.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntime2019R_PrepidBypass-ul-oob.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription-pl.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogo.png.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Channels.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-pl.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msix.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-ppd.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-pl.xrm-ms.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.EventBasedAsync.dll.tmp	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.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	16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe

C:\Users\Admin\AppData\Local\Temp\16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe
"C:\Users\Admin\AppData\Local\Temp\16df87b15565ba524cc28886a10a8af02dec5aad626874d9779e4000399d42beN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2516

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4512,i,4174666705242427184,7333705955694532165,262144 --variations-seed-version --mojo-platform-channel-handle=4224 /prefetch:8
1⤵
PID:4760

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-1-5-21-2170637797-568393320-3232933035-1000\desktop.ini.tmp

Filesize
102KB

MD5
e86d9cd8aee8cc4486a35630fccbc24f

SHA1
d8b2f07fa361f4a93346fe69518dfccaf30ca603

SHA256
3e542ff14e5b0eaa3cf903d01c1fe138c0a661a79b15120692f8a1b0c20030c1

SHA512
9c2fea3e4c889c5745fe3b960daffa609ce73ddf5f80dd67c50fd949d8b3cb5eb650eb3d0fae18062bd3832a9459dc68e050d6b60bcc7aaff1595009b3e0ebc6

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

Filesize
214KB

MD5
3e56b9babc7bad27522e85d59d3d7da0

SHA1
36573921c54da46f15619978169428a12574beac

SHA256
62ac056b303f8e0d43811df0d01bb7c7dd9813807deb4e5b9460fa1c5847c476

SHA512
e8a12c33c5b0c60182a9a3b87871607e43b926a7024093673fc5725197d8c8d42df39a977277c76cf21fb2f6bc94285f2e882253a919cf711410204eb69df677

Download Submit
memory/2516-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2516-840-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download