3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093c

Analysis

max time kernel
120s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 11:15

Sharing

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General

Target

3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
Size

66KB
MD5

ec4fa63c0cf9e64fc6b11bfb9acb2850
SHA1

96ac5b253c0c4806ee711b3fdb3737a482143c4b
SHA256

3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093c
SHA512

6a1571c827581b893d604cc3763c7f55119374722f07a00b8dfdda428c5175455ebdf3837e0c369ee54eae7f0141d5bc4ad4a0c7abfb8a94e8211d13f37c21e0
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNydWK9WKvh6SbC:V7Zf/FAxTWoJJZENTNyoKIKJ+

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4647) 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/3876-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233ed-2.dat	upx
behavioral2/files/0x000c0000000220a6-6.dat	upx
behavioral2/memory/3876-862-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\libxslt.md.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-pl.xrm-ms.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Trial-ul-oob.xrm-ms.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\7-Zip\Lang\si.txt.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\InkDiv.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdasql.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.EventLog.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\EXCELPLUGINDATAPROVIDER.DLL.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ro\msipc.dll.mui.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Common Files\System\ado\msadomd.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Concurrent.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-environment-l1-1-0.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Trial-ul-oob.xrm-ms.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Globalization.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Internet Explorer\en-US\hmmapi.dll.mui.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.Reporting.Common.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AugLoop\third-party-notices.txt.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_MAK-ul-phn.xrm-ms.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ppd.xrm-ms.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\7-Zip\Lang\sv.txt.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\nl-NL\tipresx.dll.mui.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationClientSideProviders.resources.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\fontmanager.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\JAWTAccessBridge-64.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encodings.Web.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Trial-pl.xrm-ms.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-ul-phn.xrm-ms.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_KMS_Client_AE-ul.xrm-ms.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsym.ttf.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msadcor.dll.mui.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Ping.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClient.resources.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Java\jre-1.8\bin\ktab.exe.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_OEM_Perp-ul-phn.xrm-ms.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main.xml.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ru-RU\tipresx.dll.mui.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\ReachFramework.resources.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.BackEnd.XmlSerializers.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\de\msipc.dll.mui.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\DIFF_MATCH_PATCH_WIN32.DLL.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\7-Zip\Lang\fa.txt.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrenclm.dat.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\UIAutomationClient.resources.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\jpeg_fx.md.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Proof.Culture.msi.16.fr-fr.xml.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Forms.resources.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\WindowsBase.resources.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libxml2.md.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Java\jre-1.8\bin\javaw.exe.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_Subscription-ul-oob.xrm-ms.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.Specialized.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Primitives.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\ReachFramework.resources.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\javaws.jar.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial4-ppd.xrm-ms.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\RepoMan.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebSockets.Client.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.DiaSymReader.Native.amd64.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Permissions.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Custom.propdesc.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\ReachFramework.resources.dll.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\FileSystemMetadata.xml.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-pl.xrm-ms.tmp	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.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	3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe

C:\Users\Admin\AppData\Local\Temp\3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe
"C:\Users\Admin\AppData\Local\Temp\3860c52b5ff3e1691d9e92758123625adecb7a0dd6a090fffea5a0c1cb23093cN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3876

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-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp

Filesize
67KB

MD5
3f72947dbb180b1fa06fc20c53d92456

SHA1
2f48444c58196b44bbc8bd265258b7345d9b77ee

SHA256
24a24333ab5637361cf0bd8168ca5b5ca1a4c9c3ea906ea0e3dd1cd3449fdbc0

SHA512
b85bc0951c3be83c769d40733683168e71530a58f340fefae5c61fb39a1ec8ae814956d6115024727d2ea572df42c3ceef19dcdbf35e769b6db8ec0090c8c85e

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

Filesize
165KB

MD5
1c9c9c525938ec7de607815e15c81444

SHA1
9fd32193a4113bc217eb7d9dfef03befa57a4671

SHA256
b9d7a328c00f6c9ba833d3384ef5e1cd4931af8ce035fb76b1295655b168f1aa

SHA512
da0cbde478bb961f0c14c509513afa9e2a7c3fae9a52d8ff3d2683a89ea52c9e3160e24c6adc8d9f7d349382b1d2b2ca01e1cc69d6d58acbe5364334dc5abd5b

Download Submit
memory/3876-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3876-862-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download