b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68

Analysis

max time kernel
150s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-08-2024 01:43

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General

Target

b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
Size

47KB
MD5

f2d39ad966711d126a44b2eb1176e02a
SHA1

1d3514a230447faadff388194b6c6da53d0682dd
SHA256

b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68
SHA512

277f7f0c90745e1c5c07f11e219c338d590785b63bcfa8bfb9d51cbae323c602ded40b5bb7341d5a88ead0b5ab0d3ad304b47a64750af0faa76d2473390f8e5e
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJXGiXZqVnHW:V7Zf/FAxTWoJJXUVnHW

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5006) 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/4612-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023598-2.dat	upx
behavioral2/files/0x000600000001690a-6.dat	upx
behavioral2/memory/4612-1911-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Linq.Parallel.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jps.exe.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\icu_web.md.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-pl.xrm-ms.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-private-l1-1-0.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Forms.Primitives.resources.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\7-Zip\Lang\an.txt.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Numerics.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\dnsns.jar.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-pl.xrm-ms.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_PrepidBypass-ul-oob.xrm-ms.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdaps.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Aero2.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Grace-ul-oob.xrm-ms.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OUTLFLTR.DAT.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msdaprsr.dll.mui.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationUI.resources.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-pl.xrm-ms.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_OEM_Perp-ul-oob.xrm-ms.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-black_scale-100.png.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Input.Manipulations.resources.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Ion Boardroom.thmx.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\offreg.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\TipTsf.dll.mui.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdaosp.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationUI.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.da-dk.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Forms.Design.resources.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\UIAutomationClient.resources.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-ppd.xrm-ms.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ul.xrm-ms.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC32.DLL.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.Uri.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\WindowsBase.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-memory-l1-1-0.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-pl.xrm-ms.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Grace-ul-oob.xrm-ms.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscorrc.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\WindowsBase.resources.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-black_scale-140.png.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001B-0000-1000-0000000FF1CE.xml.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_OEM_Perp-pl.xrm-ms.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\oledb32r.dll.mui.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.CompilerServices.Unsafe.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Primitives.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Forms.Primitives.resources.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\LogoBeta.png.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PowerPointCombinedFloatieModel.bin.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\manifest.xml.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Common Files\System\wab32.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsBase.resources.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Java\jre-1.8\bin\unpack200.exe.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\jpeg.md.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\bwclassic.dotx.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\cacerts.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.reportviewer.winforms.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\concrt140.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.Win32.Registry.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.Annotations.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Algorithms.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Configuration.ConfigurationManager.dll.tmp	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.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	b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe

C:\Users\Admin\AppData\Local\Temp\b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe
"C:\Users\Admin\AppData\Local\Temp\b0e4d400b30591bbe189238c3a5ce8b871cb520e409f44344caf338492e45b68.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4612

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=4288,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=3756 /prefetch:8
1⤵
PID:4540

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
f7ffcd55e8e911a0a2bab5defb6e5b9d

SHA1
1b1e018f237a7d4a05eb56a9d2b881ed1db4b2aa

SHA256
ae5cb83adad6e39916bcfc28e703246b0915270e3b113c1f6bc92163f52a5be1

SHA512
dee09645b58070a48d82379a37cd6af82db0b7fb5a4cf609b28900a4c8478bfd165baca82d71ff7d5f8974bb53cd2d6ea01ea995ca92c0dd4a36573d0feb12a6

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

Filesize
160KB

MD5
b2f64e5c333935f88876154054dd7975

SHA1
46836292c59626659f63424788e3c8579ff47108

SHA256
eba55e24e2067bec0ef1d8156f78918f47eb53edfbd41eabe47d627d2793b966

SHA512
89efe85cf323d222b8808e9423c2d0940d02cb8667024b6b1d7cec4cd3e1d826cf89f716962ddf7a8040321e02e53b7655dd32b746fe5c16f4afed1631056788

Download Submit
memory/4612-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4612-1911-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download