5f162a4037467d243d86569359cea608fb4670db7e8171926843bef5e8feacdf

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2024 00:48

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General

Target

abb37d2dfc116a7fc3560112d2a82060N.exe
Size

139KB
MD5

abb37d2dfc116a7fc3560112d2a82060
SHA1

cbaa967b9d98e9e86e0ec6c24953f4d89ed037db
SHA256

5f162a4037467d243d86569359cea608fb4670db7e8171926843bef5e8feacdf
SHA512

2079cbb9da2c45338c380db020c1fde65646e81f2dc4ea1f7dfe84743006fe1f92ca42876250aa884fd73bc7652d276f72118a0add5ef05260d5dc56ba0e50ae
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8IZTRVZTWn1++PJHJXA/OsIZfzc3/Q8I9:fnyiQSo7Z1QSo7ZD

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4368) 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/1860-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002346f-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/1860-802-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\FileSystemMetadata.xml.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_OEM_Perp-ul-oob.xrm-ms.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ul-oob.xrm-ms.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.EventBasedAsync.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Memory.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Java\jre-1.8\bin\zip.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-convert-l1-1-0.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\7-Zip\Lang\ru.txt.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\pt-PT\tipresx.dll.mui.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledbvbs.inc.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Intrinsics.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\msjet.xsl.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base.xml.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.X509Certificates.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.X509Certificates.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Input.Manipulations.resources.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\dom.md.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail-ul-phn.xrm-ms.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.BackEnd.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationTypes.resources.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-runtime-l1-1-0.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Trial-pl.xrm-ms.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Grace-ul-oob.xrm-ms.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_PrepidBypass-ul-oob.xrm-ms.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-pl.xrm-ms.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Http.Json.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\UIAutomationTypes.resources.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\PresentationUI.resources.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Client\C2R64.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-ul-oob.xrm-ms.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHLTS.DAT.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ppd.xrm-ms.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial3-ul-oob.xrm-ms.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.XPath.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsFormsIntegration.resources.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationUI.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\keytool.exe.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-debug-l1-1-0.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00C1-0409-1000-0000000FF1CE.xml.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-ul-phn.xrm-ms.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-ppd.xrm-ms.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\CLVWINTL.DLL.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.NonGeneric.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.NETCore.App.deps.json.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.Immutable.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Luna.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\w2k_lsa_auth.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libxslt.md.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_KMS_Client_AE-ul.xrm-ms.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Common Files\System\ado\de-DE\msader15.dll.mui.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\D3DCompiler_47_cor3.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-pl.xrm-ms.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Common Files\System\msadc\msadcer.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Java\jre-1.8\bin\dcpr.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ul-oob.xrm-ms.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Dynamic.Runtime.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Globalization.Extensions.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-timezone-l1-1-0.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Java\jre-1.8\lib\javafx.properties.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OSMUX.OSMUX.x-none.msi.16.x-none.xml.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_KMS_Client-ppd.xrm-ms.tmp	abb37d2dfc116a7fc3560112d2a82060N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.FileVersionInfo.dll.tmp	abb37d2dfc116a7fc3560112d2a82060N.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	abb37d2dfc116a7fc3560112d2a82060N.exe

C:\Users\Admin\AppData\Local\Temp\abb37d2dfc116a7fc3560112d2a82060N.exe
"C:\Users\Admin\AppData\Local\Temp\abb37d2dfc116a7fc3560112d2a82060N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1860

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-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp

Filesize
140KB

MD5
41163dac88e0b2ccdcc3846c72efe8c1

SHA1
3ae73c5faf27d78b9eb01a1573a9d972b451831e

SHA256
586f5a8333483433fb0d4e27e54ef1cba7c796a91f3f8715cdf1612cf1871ad1

SHA512
30961d1bf80153eb942919819c73cbc8e1ea378e4e6175cabd0c83feddaa13e5fd3db1148350ec32b37027cdaa1b244c5165d2fb9de57c05977f86d17e87369a

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

Filesize
238KB

MD5
c0889cc67d64fc45026bdbde5a81f5f8

SHA1
9333ba8a446785eaf83af3ab2308fc505b08529b

SHA256
2ba895a958cfbeb781add498d518fc199517a1118ec199ab08bfecb47945118f

SHA512
d7bfc88a27d153a2d97344bfc019c83287e738051a0c9791a7bc2a26cf44dd9c7f2cc69d52eb663b6b42d0d34e8f261ee9886a087bc9dc4538bc56c834ef6b7b

Download Submit
memory/1860-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1860-802-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download