d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43b

Analysis

max time kernel
120s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 13:00

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General

Target

d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
Size

46KB
MD5

77d89889a6a13001c86805ea282d97e0
SHA1

e6b81aa49f5aa9de5fee204764fd01e433751e84
SHA256

d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43b
SHA512

e1e2a03dd4f8131cf4356c1f8d4504015ddc829eb28c389722109d855988a78c96e8957e9fc85bdee5524a55ec0c18b0f048e97e9134073f7b9c16e0ca55e3c2
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9F:V7Zf/FAxTWoJJ7Tv

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4620) 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/4496-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000a000000023581-2.dat	upx
behavioral2/files/0x000600000001690a-6.dat	upx
behavioral2/memory/4496-900-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Configuration.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Input.Manipulations.resources.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ko.pak.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription-ppd.xrm-ms.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msadcor.dll.mui.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_COL.HXC.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationCore.resources.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-ul-oob.xrm-ms.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\kor-kor.xml.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial5-ul-oob.xrm-ms.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ul-oob.xrm-ms.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-pl.xrm-ms.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_Grace-ppd.xrm-ms.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui\oskclearuibase.xml.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Resources.Extensions.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\WindowsBase.resources.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-string-l1-1-0.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_KMS_Client-ppd.xrm-ms.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.scale-180.png.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\7-Zip\Lang\fa.txt.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-heap-l1-1-0.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\gstreamer.md.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Milk Glass.eftx.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\PresentationCore.resources.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationClientSideProviders.resources.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Cryptography.Pkcs.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Subscription-pl.xrm-ms.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.common.16.xml.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\OFFICE.DLL.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-process-l1-1-0.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemCore.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Drawing.Design.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemCore.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Controls.Ribbon.resources.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\ImportMeasure.wvx.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\xalan.md.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-pl.xrm-ms.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Reflection.eftx.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHPHN.DAT.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\TabIpsps.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.CompilerServices.VisualC.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\WindowsFormsIntegration.resources.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-pl.xrm-ms.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_Subscription-ppd.xrm-ms.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\es-419.pak.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\LogoBeta.png.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\rmic.exe.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_ConsumerSub_Bypass30-ppd.xrm-ms.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-white_scale-140.png.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\rtscom.dll.mui.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Requests.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationCore.resources.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Grace-ul-oob.xrm-ms.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial4-pl.xrm-ms.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mscss7wre_en.dub.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\ReachFramework.resources.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationFramework.resources.dll.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\dotnet\swidtag\Microsoft Windows Desktop Runtime - 6.0.27 (x64).swidtag.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\pkcs11wrapper.md.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-ppd.xrm-ms.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert\insertbase.xml.tmp	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.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	d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe

C:\Users\Admin\AppData\Local\Temp\d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe
"C:\Users\Admin\AppData\Local\Temp\d73411afb9e5959aa4acbea79ee5a40ec9bd12edd281a470c372c61c5ea3a43bN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4496

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=4508,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=1904 /prefetch:8
1⤵
PID:3688

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
47KB

MD5
eb0c5b05a0d60e8af11b72cdd1fd2058

SHA1
c3908705398a4e222bb7aebec2193e13b65f8a86

SHA256
cb4df3435f7188e35702d47fe352de411b2bebdb0fb47ecf7ea90ce58487db07

SHA512
e77863fe27b2d62318248cf84de6c286f7c35409454c0fc6615c536f4c790d61e7dc4f1a35350b231868fa7ca430e42c8aac55f2c9c51c6e5ce20e76e7ece40c

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

Filesize
159KB

MD5
248aa21c3ce8f39aab95d570eb3406cb

SHA1
b2701b787c09ee526f996b93da49a373e3725bc1

SHA256
d62576002443944227fd18bc631ba6068722cef064093cd4a4a30416bac3c344

SHA512
428e12c3397de07680cbca84b2559ba8c2e1ed41e0adeb3ee1a3e5fdcb20e56a13ebc2781e01dec0582f32e8b0197bfea38b4a4ce8318dd42fd45d04b6be1bd1

Download Submit
memory/4496-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4496-900-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download