1421c92e27ac6dfb30fe35c219993412de7f1f541adb1634d078cf975a78b5bc

Analysis

max time kernel
120s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/09/2024, 20:24

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General

Target

892abed12f68b601dcddefc7ab831ed0N.exe
Size

53KB
MD5

892abed12f68b601dcddefc7ab831ed0
SHA1

dba3b76c6a5b331e0c7eeadb6b540833a649e652
SHA256

1421c92e27ac6dfb30fe35c219993412de7f1f541adb1634d078cf975a78b5bc
SHA512

939a55a2f35dcdb5b6276f15cf85ad55f9c3f007f2aa6da07ad51fa8951a9e30fa2e80bebaf3fb14471d8c0d1dc3f509568a12fed3f3009388fe6f119a865c65
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATBKqbKt:V7Zf/FAxTWoJJZENTBKqbKt

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4631) 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/4188-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000800000002340f-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/4188-844-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalDemoR_BypassTrial180-ppd.xrm-ms.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\tr.pak.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\asm.md.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-pl.xrm-ms.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\ucrtbase.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ul-oob.xrm-ms.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-pl.xrm-ms.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemDrawing.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.Design.Editors.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-ul-phn.xrm-ms.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msoev.exe.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\7-Zip\License.txt.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.wordmui.msi.16.en-us.xml.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail-ul-phn.xrm-ms.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\msvcr120.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\concrt140.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\EXPLODE.WAV.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Input.Manipulations.resources.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.EventLog.Messages.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jp2ssv.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ul-oob.xrm-ms.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.Formatters.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\zh-TW.pak.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Controls.Ribbon.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTest-ul-oob.xrm-ms.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.ReportingServices.AdHoc.Excel.Client.Entry.Interfaces.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\mshwLatin.dll.mui.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipRes.dll.mui.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART12.BDR.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\public_suffix.md.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPoint.PowerPoint.x-none.msi.16.x-none.xml.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Common Files\microsoft shared\VGX\VGX.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Common Files\System\ado\msadox28.tlb.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Common Files\System\uk-UA\wab32res.dll.mui.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Web.HttpUtility.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.proofing.msi.16.en-us.xml.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription2-pl.xrm-ms.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\7-Zip\Lang\lij.txt.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert.xml.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\uk.pak.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\mesa3d.md.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcDemoR_BypassTrial365-ppd.xrm-ms.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Transactions.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationFramework.resources.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdaosp.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Resources.ResourceManager.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationUI.resources.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\vcruntime140_cor3.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\tabskb.dll.mui.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\osknavbase.xml.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-locale-l1-1-0.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Formatters.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\WindowsFormsIntegration.resources.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationClientSideProviders.resources.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\7-Zip\Lang\sr-spl.txt.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\ShapeCollector.exe.mui.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\EXCELPLUGINSHELL.DLL.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Forms.Primitives.resources.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ul-oob.xrm-ms.tmp	892abed12f68b601dcddefc7ab831ed0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\j2gss.dll.tmp	892abed12f68b601dcddefc7ab831ed0N.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	892abed12f68b601dcddefc7ab831ed0N.exe

C:\Users\Admin\AppData\Local\Temp\892abed12f68b601dcddefc7ab831ed0N.exe
"C:\Users\Admin\AppData\Local\Temp\892abed12f68b601dcddefc7ab831ed0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4188

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
53KB

MD5
145b7e9222f9a1c4597695a6944033f1

SHA1
85cf49f89d63d997d061ac1905d570b9b98a7e21

SHA256
f0e3339183a65bca5cb2b41055a4c39ca9ab5f1bc2fee0b87006e7ff3ca00956

SHA512
ce79062a045283b763c14e5d6612414931468df468207f826426b4c5fa6e224be7e01d83a6b6fd7dc0c226c49b7af018d4d7c6dc2f047393c005cef82104305d

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

Filesize
152KB

MD5
fa7e351cc6740cfd91d5636f2e4559b0

SHA1
bf42d01ea0e0dd616ce4e56692b38ccca22a1433

SHA256
1e0af3cc825e0d372775f4d855d8d012c6e4874b8733376ab3bfdf67d51d4daa

SHA512
6b845b5effbd995b6640bc11b8f14ab165f5f3a2a34240572b4a66ca1878233bd387c65023f5a88814e8163ffb3a14bf93345cd5ca282775061aea993b9206aa

Download Submit
memory/4188-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4188-844-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download