f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456

Analysis

max time kernel
150s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2024, 06:05

Sharing

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Report Analysis Logs

General

Target

f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
Size

56KB
MD5

675d70830a39847d6b62836c1aca7a81
SHA1

bb9d2103f6caa7f9f90cba2557c6d0425904b539
SHA256

f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456
SHA512

2fdbd6b6ba5231c027d608edcff2e55af88d28a150b56cd043602b7f7400cb7f459519c164170198c186efddfba5925751d99aa91ce648393f52c6cea3a02bf0
SSDEEP

768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFIY:CTWn1++PJHJXA/OsIZfzc3/Q8IZTO

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4849) 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/2840-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000900000002360a-2.dat	upx
behavioral2/files/0x000600000001690a-6.dat	upx
behavioral2/memory/2840-857-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\tabskb.dll.mui.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Requests.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Forms.resources.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\public_suffix_list.dat.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\POWERPNT_K_COL.HXK.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.Common.FrontEnd.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Input.Manipulations.resources.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jsse.jar.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_BypassTrial180-ul-oob.xrm-ms.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription2-ppd.xrm-ms.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONBttnPPT.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationClientSideProviders.resources.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Forms.resources.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Controls.Ribbon.resources.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Office.PowerPivot.ExcelAddIn.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Input.Manipulations.resources.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-debug-l1-1-0.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\giflib.md.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-pl.xrm-ms.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msotd.exe.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ul-oob.xrm-ms.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\clrjit.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Contracts.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\zlib.md.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Gallery.thmx.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Trial-pl.xrm-ms.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.officemui.msi.16.en-us.xml.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\symbase.xml.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ro-RO\tipresx.dll.mui.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\zh-CN\tipresx.dll.mui.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\ReachFramework.resources.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\management\jmxremote.access.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Linq.Parallel.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_PrepidBypass-ppd.xrm-ms.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-MX\tipresx.dll.mui.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.AeroLite.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\POWERPNT_COL.HXT.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\7-Zip\Lang\ku.txt.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-stdio-l1-1-0.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.FileVersionInfo.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-file-l1-2-0.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-utility-l1-1-0.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Diagnostics.EventLog.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\de.pak.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ms.pak.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Java\jre-1.8\bin\glib-lite.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ppd.xrm-ms.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Java\jre-1.8\bin\j2pkcs11.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Java\jre-1.8\lib\management\snmp.acl.template.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ul-oob.xrm-ms.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\7-Zip\Lang\si.txt.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Core.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.AccessControl.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-math-l1-1-0.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-pl.xrm-ms.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sql120.xsl.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\OFFICE.DLL.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSS7DATA000C.DLL.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.dll.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\it.pak.tmp	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.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	f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe

C:\Users\Admin\AppData\Local\Temp\f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe
"C:\Users\Admin\AppData\Local\Temp\f796c2b5237b0c680db90d6b9a57681ec9ab577b3b1a91d87fbdf9ec5c733456.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2840

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=4308,i,15436195446242760253,4000484513008731869,262144 --variations-seed-version --mojo-platform-channel-handle=3964 /prefetch:8
1⤵
PID:4288

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
56KB

MD5
b56447ad0974148887760a2fdd9c0452

SHA1
886d22fbead477e75873568fd9844e40b6547b12

SHA256
0c0d6553bf907a7190ddf9fd755bde1008a5cba017cdd96ce1a641307995c09f

SHA512
fb6c57cb434858771cf7fd8cfd58e46722273064635614d0a11be6cb33e95b884dea236fabac98fdedd127acedd7c34b12d4c216f11ea6cd17adc0fe6a9c6b85

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

Filesize
169KB

MD5
c6f21c04c098f078e77da1a3eb0fd5d9

SHA1
3cc0105b2aaec41164f4a90f72d77758a3a67b5f

SHA256
86647e55041f476a39fa6ea9d48676e7a935a194ddc6d21f7f2818a32b2cd4c6

SHA512
452b7b982592ac0a5fe93fc97d6140e9fb5421b44057cf9cd3ec9a6c0f7727e41bfbfea4bb9b21ed9a6a0d343f1b80430166f204abc9d38229a79889a8f5869c

Download Submit
memory/2840-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2840-857-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download