8127ddff59c77b2719b2b9b0fd25a9b9b38073ce545bc9282b96791e245729cf

Analysis

max time kernel
120s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-08-2024 09:44

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General

Target

d1ba777bf479cdccf599fc549e712050N.exe
Size

85KB
MD5

d1ba777bf479cdccf599fc549e712050
SHA1

fb00eec7d51370cc56d9a512b8e55f8d2f4456ff
SHA256

8127ddff59c77b2719b2b9b0fd25a9b9b38073ce545bc9282b96791e245729cf
SHA512

406ecb955b90e63c51182a89bb16276f248e77ba4832b5c7aa0d0eafabae298edb146215d4e694736d1c19376d642c44ab7c3f92b87f5f755a1ac319be4adf1c
SSDEEP

1536:V7Zf/FAxTWoJJB7LD2I2IbSaTW7JJB7LD2I2IbS0pW:fny1tD33bS5tD33bS0pW

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4608) 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/1900-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000a0000000228c9-2.dat	upx
behavioral2/files/0x00040000000228de-6.dat	upx
behavioral2/memory/1900-868-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.Native.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationTypes.resources.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationClient.resources.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ppd.xrm-ms.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Metadata.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationUI.resources.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jni.h.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_KMS_Client_AE-ul.xrm-ms.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\TipRes.dll.mui.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\D3DCompiler_47_cor3.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\gstreamer.md.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsid.xml.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Internet Explorer\en-US\iexplore.exe.mui.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jfr\profile.jfc.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription4-ul-oob.xrm-ms.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-ul-oob.xrm-ms.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_altgr.xml.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.InteropServices.RuntimeInformation.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.IsolatedStorage.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_ghost_school.png.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tabskb.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Common Files\System\de-DE\wab32res.dll.mui.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.dcfmui.msi.16.en-us.xml.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentDemoR_BypassTrial180-ppd.xrm-ms.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_Grace-ppd.xrm-ms.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTest-pl.xrm-ms.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.StackTrace.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\PresentationUI.resources.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationClient.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\cryptix.md.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_MAK-ul-phn.xrm-ms.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.StackTrace.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationCore.resources.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msdaremr.dll.mui.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogo.png.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\logging.properties.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdaosp.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-ppd.xrm-ms.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsym.ttf.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-ppd.xrm-ms.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTrial-ppd.xrm-ms.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\7-Zip\Lang\lt.txt.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.DataContractSerialization.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.ReaderWriter.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XDocument.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\attach.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Ion.thmx.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-black_scale-100.png.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.scale-100.png.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\MSIPCEvents.man.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.TypeConverter.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Resources.Extensions.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jps.exe.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ul-phn.xrm-ms.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-white_scale-100.png.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.CompilerServices.VisualC.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationCore.resources.dll.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Java\jre-1.8\bin\javacpl.cpl.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-ppd.xrm-ms.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\TYPE.WAV.tmp	d1ba777bf479cdccf599fc549e712050N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\da\msipc.dll.mui.tmp	d1ba777bf479cdccf599fc549e712050N.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	d1ba777bf479cdccf599fc549e712050N.exe

C:\Users\Admin\AppData\Local\Temp\d1ba777bf479cdccf599fc549e712050N.exe
"C:\Users\Admin\AppData\Local\Temp\d1ba777bf479cdccf599fc549e712050N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1900

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-1-5-21-2718105630-359604950-2820636825-1000\desktop.ini.tmp

Filesize
85KB

MD5
30c630103c87a328cc8480beb81d0971

SHA1
37b83ce6469ae0363053b56afc9769aa4a04bf77

SHA256
aff86da42e637bc586df9f10fe45cc7bf218b9fc1f0d91f8b72a23613c75e9c5

SHA512
f0fdfc3745555bf48ab13e3a10b01bfac1d09a4dd39c8ebf8d606093e647f87525a4612d00341874a8fafe8d7d4f40129f94aa25a92ad537c528ffe7fe37611b

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

Filesize
184KB

MD5
4e0b99031c9fc27ccf29e613d5175a26

SHA1
b1c505e22d5b248a6287d53b6780edd9ff88c78e

SHA256
dd3fae1918294b9753cc5385c2bcc08b7a8d836a9b2860b005c8accdaf4c66e4

SHA512
b2bef9cf5261ca9d0fc52b47abf87dc14c005e9cafd6ad995d8355b95ddc9642658a754ffada5c22a7abf9076ac5d1e18e46a6a8ac07800d3b53843014d11e85

Download Submit
memory/1900-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1900-868-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download