c13c1898917ee930d0eba176fcdadc5ec07907a488c369fa5f0e29e38d2bd07a

Analysis

max time kernel
120s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 00:40

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General

Target

f7f2712158524e0ef03af2278324ba70N.exe
Size

103KB
MD5

f7f2712158524e0ef03af2278324ba70
SHA1

875b72aff92829342957953d86535a73c24e7333
SHA256

c13c1898917ee930d0eba176fcdadc5ec07907a488c369fa5f0e29e38d2bd07a
SHA512

959f904a2304870e29ba94a582f9b95cb86a3a18ab3232bec14014e7b2119907925f4bb0ceb094f782225311dffdce082a815ccc59f38ba7aeddbea8f2caa7f1
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8IZf2XcqvcYnro:fnyiQSo7Zf2XZro

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4319) 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/1464-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00080000000234d0-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/1464-800-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\Ole DB\en-US\oledb32r.dll.mui.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-string-l1-1-0.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.Design.resources.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-namedpipe-l1-1-0.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\jpeg_fx.md.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_SubTrial-ppd.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ul-oob.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsel.xml.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ppd.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-pl.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.Dataflow.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_KMS_Client-ul.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_SubTrial-ppd.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Input.Manipulations.resources.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-ul-oob.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Trial-pl.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_MAK-pl.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\meta-index.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.NetworkInformation.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Xaml.resources.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-ppd.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Trial-ppd.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Common Files\System\de-DE\wab32res.dll.mui.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.Primitives.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Xaml.resources.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Java\jre-1.8\bin\servertool.exe.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntry2019R_PrepidBypass-ppd.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\sqlxmlx.rll.mui.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationUI.resources.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\PresentationFramework.resources.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription4-ppd.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial1-pl.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Royale.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_wer.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-ul-oob.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_KMS_Client-ppd.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Trial-pl.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Resources.Extensions.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-ul-oob.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\jawt.lib.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\invalid32x32.gif.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Java\jre-1.8\bin\vcruntime140.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Aspect.xml.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-pl.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Grace-ppd.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-heap-l1-1-0.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationFramework.resources.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win8_RTL.mp4.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Grace-ppd.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\TellMeWord.nrr.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\HarvardAnglia2008OfficeOnline.xsl.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Retail-ul-oob.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.Xml.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ul-phn.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.InteropServices.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Common Files\System\ado\msado28.tlb.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\PresentationFramework.resources.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Forms.resources.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ul-oob.xrm-ms.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.MDXQueryGenerator.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\vcruntime140.dll.tmp	f7f2712158524e0ef03af2278324ba70N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp	f7f2712158524e0ef03af2278324ba70N.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	f7f2712158524e0ef03af2278324ba70N.exe

C:\Users\Admin\AppData\Local\Temp\f7f2712158524e0ef03af2278324ba70N.exe
"C:\Users\Admin\AppData\Local\Temp\f7f2712158524e0ef03af2278324ba70N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1464

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-1-5-21-4182098368-2521458979-3782681353-1000\desktop.ini.tmp

Filesize
103KB

MD5
25654a48b379f1d4387f96a9a78cde7b

SHA1
65ecdb51e52494a4db026f77b2cb8215e425816b

SHA256
5fe09d8b00eb3cc7ecb271685501b269ac64a01a4a9092c14a94cafd443cdc4b

SHA512
fd86ae7e72c10f4fbdb01daef65dde29c5a599097e302555bfff279d7d38212c888d6664b55dfe7036fb72ab145a2e4a1dcdfde1fdf78af740e0188827aea2db

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

Filesize
202KB

MD5
3314d7ffce7011ab8187aace3e4be40d

SHA1
df769c867def9f2cfc634aafd1f7b21e72a42601

SHA256
bf807e8bb49e7ea24e031c8917e4b531a4e143c49e1b53173b64bdadc7fdba73

SHA512
b40518ab8c03f634a11694474092083ca14cfd1c5e9322007ec487c2cf500457c5a858280bce607a9cc744d52ccad610a03a7ca5e58b57d3bb4e64cfa66812ce

Download Submit
memory/1464-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1464-800-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download