9354624c558b619ee507e593c1e97fe2a096e24ef674d1ad219d882c05a8ce58

Analysis

max time kernel
119s
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
17/08/2024, 12:49

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General

Target

9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
Size

50KB
MD5

9312db1a4e7fbc4e2a05c9d0c81b9740
SHA1

214edbc25217a97317150d5f2621e971d4e5a28c
SHA256

9354624c558b619ee507e593c1e97fe2a096e24ef674d1ad219d882c05a8ce58
SHA512

5b394c3079013a2f4c6ed80a024ceadea558b7a2f7191462803db2c109eae1bc5ad0a1807b700e61aa3c335d8dc506a3bcf4ebcf89bb917fd172f59a0ad1eb3e
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9H:V7Zf/FAxTWoJJ7TN

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4626) 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/2884-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000235c1-2.dat	upx
behavioral2/files/0x000600000001690a-6.dat	upx
behavioral2/memory/2884-862-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Forms.Design.resources.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-ul-phn.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad.xml.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationFramework.resources.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\Microsoft.VisualBasic.Forms.resources.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-pl.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ul-phn.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-pl.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-ul-oob.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.Xml.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Requests.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Channels.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationClient.resources.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\he.pak.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-string-l1-1-0.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\tabskb.dll.mui.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationNative_cor3.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-stdio-l1-1-0.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\AccessRuntime_eula.txt.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\OMICAUTINTL.DLL.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-white_scale-180.png.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-black_scale-100.png.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelCtxUICellLayoutModel.bin.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.ServicePoint.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.IO.Packaging.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\mesa3d.md.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Java\jre-1.8\lib\resources.jar.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.officemui.msi.16.en-us.xml.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial-pl.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_KMS_Client-ul-oob.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-ul-oob.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\7-Zip\Lang\ro.txt.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.SecureString.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationTypes.resources.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClientSideProviders.resources.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\ReachFramework.resources.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ul-oob.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-ppd.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-phn.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Retail-ul-phn.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\UIAutomationProvider.resources.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Internet Explorer\ieinstal.exe.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\cryptix.md.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\icu.md.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-black_scale-80.png.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Forms.Primitives.resources.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPivot.PowerPivot.x-none.msi.16.x-none.xml.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteFreeR_Bypass-ul-oob.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Trial-ppd.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_MAK_AE-pl.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLSLICER.DLL.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Tools.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\j2pcsc.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_MAKC2R-pl.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.Recommendation.Client.Core.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\PresentationUI.resources.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Java\jre-1.8\bin\hprof.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\splash.gif.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\symbase.xml.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemXmlLinq.dll.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifestLoc.16.en-us.xml.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial2-pl.xrm-ms.tmp	9312db1a4e7fbc4e2a05c9d0c81b9740N.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	9312db1a4e7fbc4e2a05c9d0c81b9740N.exe

C:\Users\Admin\AppData\Local\Temp\9312db1a4e7fbc4e2a05c9d0c81b9740N.exe
"C:\Users\Admin\AppData\Local\Temp\9312db1a4e7fbc4e2a05c9d0c81b9740N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2884

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=3264,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=4384 /prefetch:8
1⤵
PID:3208

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
50KB

MD5
a55ecabc2788ec8acd2f445f929a07bd

SHA1
dc19c2953fc3d9ebf45719dd1ab0c8b5d990ada1

SHA256
bda55f2be70acc476027d48f22b5ef70091eed86eb584d338bb54d3d5f21a57a

SHA512
cd5004c28ffa60921dbabe6dbf45de99d37513c536b27e885503a125fb74d72a8aca5a6a29221ad2cf71bee72ae621d16d53f2dabd5430ae05d26863c21a183c

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

Filesize
163KB

MD5
1d78b85f14effca2b2c35c241a8ab7d7

SHA1
dbfd2d2d9174bf91cd51ef567886268318ed9170

SHA256
e72e29b4fd047edbe314ad3353b1143679869bc70b1fa5c269196f9e76cdb7d0

SHA512
5d7b5bd137d594ba8b910d7fda6441225d45f8c88ee0e1a581fd17e18737bd14959238ee615c240c04d160922c5bc8ef9b7b6e4569f14b5a925aec6f9ee26d41

Download Submit
memory/2884-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2884-862-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download