a248fee2f0d3299c9804e27eb758379a62192a64640a86b687d8e668beef1af6

Analysis

max time kernel
120s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 12:56

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General

Target

7e5496e7ccb6cad887f53257ac85b660N.exe
Size

52KB
MD5

7e5496e7ccb6cad887f53257ac85b660
SHA1

61f958190c19eaaba8fc3e698d3e29921506623b
SHA256

a248fee2f0d3299c9804e27eb758379a62192a64640a86b687d8e668beef1af6
SHA512

fa6e02cdd1780ab17a9372438e2112d87f65222f17674cecf760fd944ad33afebcdc28b1e1861e3b446381da3afeb838630a711d146fc1ab5825c5d0d4a23d01
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI98oZoMazPI0GUN2scvKRttrXtHnCSoWePs7:CTW7JJ7T+oZozVGgEvKRzNC5WePs7

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4628) 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/4600-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000800000002360e-2.dat	upx
behavioral2/files/0x000600000001690a-6.dat	upx
behavioral2/memory/4600-903-0x0000000000400000-0x000000000040A000-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\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Primitives.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Channels.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\mip.exe.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.Specialized.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationClient.resources.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationClientSideProviders.resources.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\libEGL.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\STSLISTI.DLL.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationCore.resources.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\flavormap.properties.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Grace-ul-oob.xrm-ms.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ul-oob.xrm-ms.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-ul-oob.xrm-ms.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-ul-phn.xrm-ms.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.it-it.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\PresentationCore.resources.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Forms.resources.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ko.pak.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-pl.xrm-ms.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.cs-cz.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.ThreadPool.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-console-l1-1-0.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp4-ppd.xrm-ms.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Storage.XmlSerializers.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Tools.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\jaccess.jar.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\PresentationCore.resources.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Forms.Design.resources.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sql70.xsl.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsid.xml.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msadcer.dll.mui.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.StackTrace.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\wpfgfx_cor3.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\zlib.md.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Java\jre-1.8\bin\vcruntime140_1.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-ppd.xrm-ms.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-ppd.xrm-ms.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-80.png.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipshrv.xml.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Console.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationClient.resources.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Controls.Ribbon.resources.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\xmlresolver.md.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Trial-ul-oob.xrm-ms.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_MAK-ppd.xrm-ms.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.he-il.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tabskb.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Http.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-ul-oob.xrm-ms.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-pl.xrm-ms.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-ppd.xrm-ms.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Classic.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Client\ucrtbase.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ppd.xrm-ms.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_MAK-ppd.xrm-ms.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.WindowsDesktop.App.deps.json.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\UIAutomationProvider.resources.dll.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\HAMMER.WAV.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial3-ul-oob.xrm-ms.tmp	7e5496e7ccb6cad887f53257ac85b660N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-ul-phn.xrm-ms.tmp	7e5496e7ccb6cad887f53257ac85b660N.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	7e5496e7ccb6cad887f53257ac85b660N.exe

C:\Users\Admin\AppData\Local\Temp\7e5496e7ccb6cad887f53257ac85b660N.exe
"C:\Users\Admin\AppData\Local\Temp\7e5496e7ccb6cad887f53257ac85b660N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4600

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=4380,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=4128 /prefetch:8
1⤵
PID:3600

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
52KB

MD5
1ae61eec04eb5f995ad68b4592547dc8

SHA1
3e3c329ec77defc015362c4492c8960b98530b64

SHA256
cd1267895878270e7e638aacb35cf5bdfa9748c8e939db969950e9be70ed0810

SHA512
ab7172ef5661d750af8fa60729c463f3c3bd165ef8c07a76eaee6acaeb1468a7e6000b00e357f406f8f5bb9378ec4ec02992a1283bf0008dcc2c8e88c8db38ae

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

Filesize
164KB

MD5
d1f759cb1da0b939368b2b5f3d2b8d97

SHA1
a6920a2b79e5cb2a08cd2726bfb241def334c3fd

SHA256
0a416137119abe80db1c6842c97740986312c2355eed877594bba9928653c259

SHA512
b2ed5a3d07916e9a745132387d3414e193b0e10ccfb60051e6f845508e985e3b66610edbdb091a8ccecea6aa76790878d4e88c65c2eca2203954750940a0de75

Download Submit
memory/4600-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4600-903-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download