87b5231fe7f51da0d43f42ffd85f64176d582ca5b8ca41d1ad6ed92f88cf70f6

Analysis

max time kernel
120s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/09/2024, 10:56

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General

Target

9ea95262a77e9d8728942cb088970de0N.exe
Size

137KB
MD5

9ea95262a77e9d8728942cb088970de0
SHA1

eef3e8eb3cfdaf01fa5e741e11f4aaf23b9d14a5
SHA256

87b5231fe7f51da0d43f42ffd85f64176d582ca5b8ca41d1ad6ed92f88cf70f6
SHA512

7266cf4ac2bff082f37c1b37542417108fa96d1beabbb5b52ab4fa020d60595eeee19e0e0981a74776c70faac9c91e8580320cae313a8baa80ca3b0656bf12ee
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8IZTETWn1++PJHJXA/OsIZfzc3/Q8IZTN:fnyiQSo7ZAQSo7ZheS

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4318) 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/4624-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023453-2.dat	upx
behavioral2/files/0x00040000000228f4-6.dat	upx
behavioral2/memory/4624-810-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Internet Explorer\ExtExport.exe.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\zip.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Xaml.resources.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Forms.Design.resources.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\tzdb.dat.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONGuide.onepkg.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_altgr.xml.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightRegular.ttf.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Ion Boardroom.thmx.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-ppd.xrm-ms.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-pl.xrm-ms.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_COL.HXT.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\WindowsFormsIntegration.resources.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jar.exe.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\vcruntime140.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Algorithms.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Forms.Primitives.resources.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_Subscription-pl.xrm-ms.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.Xml.Linq.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\WindowsFormsIntegration.resources.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-private-l1-1-0.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\java.policy.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CHAKRACORE.DLL.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCONTROL.DLL.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsen.xml.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationClient.resources.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jce.jar.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00A1-0409-1000-0000000FF1CE.xml.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Blue.xml.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Grace-ppd.xrm-ms.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipscht.xml.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\BHOINTL.DLL.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\tabskb.dll.mui.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.CompilerServices.Unsafe.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\shaded.dotx.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\vcruntime140.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-ul-oob.xrm-ms.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Core.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationClient.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\UIAutomationClientSideProviders.resources.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Xaml.resources.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Forms.resources.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\MEIPreload\manifest.json.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-pl.xrm-ms.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\7-Zip\Lang\lv.txt.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.resources.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Diagnostics.EventLog.Messages.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\swidtag\Microsoft Windows Desktop Runtime - 8.0.2 (x64).swidtag.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\cryptix.md.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-ul-phn.xrm-ms.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.VisualBasic.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy.jar.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.Concurrent.dll.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_OEM_Perp-ul-phn.xrm-ms.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-pl.xrm-ms.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-ppd.xrm-ms.tmp	9ea95262a77e9d8728942cb088970de0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Aero2.dll.tmp	9ea95262a77e9d8728942cb088970de0N.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	9ea95262a77e9d8728942cb088970de0N.exe

C:\Users\Admin\AppData\Local\Temp\9ea95262a77e9d8728942cb088970de0N.exe
"C:\Users\Admin\AppData\Local\Temp\9ea95262a77e9d8728942cb088970de0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4624

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-1-5-21-2392887640-1187051047-2909758433-1000\desktop.ini.tmp

Filesize
137KB

MD5
ed3dbdc495609df69f2b739c1d898821

SHA1
78856f6dd36acef495bf012dae4ded2024f312be

SHA256
f302ae8574b68db4f9e45c071ed396fd0f4f7bc477e759e4d5b754598a0ad676

SHA512
9ff0e0a9945023cef28063845228d11b011a0361e5ab01bd19243e63555222f01eb091fe83ec657b4dbf9f2dd2ba299f3e210cd0f36207f883ec587152998a40

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

Filesize
236KB

MD5
39cf8f25e687cf34b1b18873d3711c57

SHA1
a4f3fb8d974e841f2129a5d47e52fa0fdbe5c1f9

SHA256
84dafe8f6744ad3eef8c234984eb4f690aeb6712663fbb361505c49a245acb99

SHA512
8145670583711b2c9eba514ef9a392e860928a8a9da04df369410d33c4c8a271810ef71cada8271e115c29d6ffa4ae27d25ec2a92b21618ab620ccad2e59d98c

Download Submit
memory/4624-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4624-810-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download