2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db

Analysis

max time kernel
150s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-08-2024 20:13

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General

Target

2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
Size

42KB
MD5

d09d1dcaeab425253fff2c9a55ee833f
SHA1

dd0c851a9ae461d1fcdfeec385167320f17078ac
SHA256

2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db
SHA512

242eb5c9ebf9b7979d79ecf714f87a922e688a5bfad76391dcfa7f3940a223a277479fb2054083817c4b5780cd78540620d6a8413e98ff6b2419fd1f94f2adbf
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATBJpxTR:V7Zf/FAxTWoJJZENTBJ1

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5322) 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/3300-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023489-2.dat	upx
behavioral2/files/0x00080000000234e3-6.dat	upx
behavioral2/memory/3300-2018-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome.dll.sig.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.TypeConverter.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.IO.Packaging.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\otkloadr_x64.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\HintBarEllipses.16.White.png.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\ARIALNI.TTF.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ea-sym.xml.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-80.png.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\LibCurl64.DllA\libcurl64.dlla.manifest.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\DUBAI-BOLD.TTF.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ar-SA\tipresx.dll.mui.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_OEM_Perp-ppd.xrm-ms.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_COL.HXC.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OFFSYMT.TTF.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrcommonlm.dat.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.IO.Packaging.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Forms.Design.resources.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\rsod\powerpointmui.msi.16.en-us.tree.dat.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\7-Zip\Lang\mn.txt.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msdaprsr.dll.mui.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Numerics.Vectors.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ServiceModel.Web.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\WindowsFormsIntegration.resources.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Internet Explorer\ielowutil.exe.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-convert-l1-1-0.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\joni.md.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Common AppData\Microsoft Help\MS.EXCEL.16.1033.hxn.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\7-Zip\Lang\an.txt.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Xml.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Data.DataSetExtensions.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Resources.Extensions.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\javaws.jar.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-synch-l1-1-0.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ul-phn.xrm-ms.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ul-phn.xrm-ms.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Retail-ppd.xrm-ms.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\clretwrc.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Drawing.Common.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ul-phn.xrm-ms.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-pl.xrm-ms.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ul.xrm-ms.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\ITCKRIST.TTF.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-errorhandling-l1-1-0.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Java\jre-1.8\bin\hprof.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QRYINT32.DLL.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\sbicuin58_64.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\msgr8en.dub.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XPath.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00C1-0000-1000-0000000FF1CE.xml.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\tipresx.dll.mui.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationFramework.resources.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Java\jdk-1.8\bin\kinit.exe.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\jopt-simple.md.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-pl.xrm-ms.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\7-Zip\Lang\el.txt.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Registry.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\WindowsFormsIntegration.resources.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Input.Manipulations.resources.dll.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_fr.properties.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Grace-ul-oob.xrm-ms.tmp	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.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	2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe

C:\Users\Admin\AppData\Local\Temp\2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe
"C:\Users\Admin\AppData\Local\Temp\2fc52d0062af1bd32fa02f90303814da5af454590cc1d119a325d06a42e7a6db.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3300

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-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp

Filesize
42KB

MD5
3beaee62f60eb232386b325b5bbd9c90

SHA1
d2fc8241f734924aaedb1a9d359739fdc393a499

SHA256
a7054396f220f72526a9fd18a8b546e34f7bffa6d7919869f2dea134a4facb73

SHA512
6da714a8bb2eaf4bc7732b06589bdf83f505d84c1a4a57cafb88adb6a195e044da70176a0460022dd532a156a9c1dc031b16ec4b9434c9b622d3b90669f41f29

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

Filesize
141KB

MD5
9a69e7b6c17f269aabbe44bfabfc4aa4

SHA1
be924199be32dd426eb3fd59be47b89dcc4e93b3

SHA256
0883428f7fc777bc2cd59479b1b478801fce09f295ec29e7ac44d9f0af0d8ccb

SHA512
a32249cb2df80ef7797346a16bb5cb3ee174057589acaed24e6acad81322e3f39952a8ab43f275a4aa1bd74fa46f8e430d2e8da4fa9e45ac4381042f36884b9e

Download Submit
memory/3300-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3300-2018-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download