f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137decc

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
19/09/2024, 06:16

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General

Target

f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
Size

75KB
MD5

66b80f13f4fd251a7ebc9a76f812cdb0
SHA1

ac8c5bf40ec15c17d77dbdb4bdb480c230243ff0
SHA256

f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137decc
SHA512

14d65c9d3f5ac0e7c8b5359b8647662a436d921f732f1245a00d158b5254cf2d6b652f24398496ffc7bbe15268d7dc5b83049a7a7ab297d32a93f1ac2714b01b
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9ebZo6BT37CPKKdJJ1EX2:V7Zf/FAxTWoJJ7TYZogTW7JJ7TYZoR

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4605) 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/2596-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023451-2.dat	upx
behavioral2/files/0x0014000000022913-6.dat	upx
behavioral2/memory/2596-900-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Threading.AccessControl.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Practices.Unity.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationProvider.resources.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\default_apps\external_extensions.json.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Trial-pl.xrm-ms.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\CERTINTL.DLL.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ko\msipc.dll.mui.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\Microsoft.VisualBasic.Forms.resources.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_100_percent.pak.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-processthreads-l1-1-0.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Grace-ul-oob.xrm-ms.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-ul-oob.xrm-ms.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Core.NetFX35.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.Design.resources.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationProvider.resources.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationFramework.resources.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Forms.resources.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\bn.pak.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_MAK-ul-oob.xrm-ms.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PREVIEWTEMPLATE.POTX.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\PresentationCore.resources.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Java\jre-1.8\lib\tzmappings.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.ReportingServices.ProgressiveProcessing.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\msvcr120.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART5.BDR.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Forms.Design.resources.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.CodeDom.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogo.png.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001F-040C-1000-0000000FF1CE.xml.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_Grace-ppd.xrm-ms.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.CoreLib.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Riblet.eftx.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ul.xrm-ms.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\EXCELPLUGINDATAPROVIDER.DLL.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSS7DATA000A.DLL.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationFramework.resources.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Forms.resources.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Java\jre-1.8\lib\cmm\GRAY.pf.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppvIsvSubsystems32.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_MAK-ppd.xrm-ms.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.SapClient.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationClientSideProviders.resources.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fil.pak.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\content-types.properties.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-ul-oob.xrm-ms.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\otkloadr_x64.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-ppd.xrm-ms.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-ul-oob.xrm-ms.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Input.Manipulations.resources.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Java\jre-1.8\bin\w2k_lsa_auth.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_KMS_Client_AE-ul.xrm-ms.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-ul-oob.xrm-ms.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Trial-pl.xrm-ms.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-ppd.xrm-ms.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_COL.HXC.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\he\msipc.dll.mui.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ul-oob.xrm-ms.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Excel.Extensions.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.CodeDom.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-string-l1-1-0.dll.tmp	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.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	f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe

C:\Users\Admin\AppData\Local\Temp\f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe
"C:\Users\Admin\AppData\Local\Temp\f822026ba390711dc432ab0876013de527e63183b857e09bcd6cefd6b137deccN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2596

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-1-5-21-656926755-4116854191-210765258-1000\desktop.ini.tmp

Filesize
75KB

MD5
0907686a3475edf05d1b17dacc2d4bd1

SHA1
5442246578cb8342f346d7ebcabf5ac09bf7a0d9

SHA256
033d8da31327cd49d0bc168c7a39419105531666355c654d158f650e56c536f4

SHA512
7c16ad6addd3ee0dfce379d3ef40c30239dded7df3655fea88926fe3efb3df74bbd413680a572a655effac5fb3086a817650ca01e22cf1986216aff7ddf92738

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

Filesize
174KB

MD5
00f41a34f2b549fad33cb177830d92a5

SHA1
ebd1f3aa00afc686fe4701c21258f7caab57a5fa

SHA256
ae5678131fac2251f3eacf130338ed1b439003d0bca7dc9303676e85103e75cc

SHA512
c9ced3b3a961313146823dac987f7a82234bd78bad2e022234a8a7c368ee767cef9d7890b8bc169273f61389ddce22499c0dd84e66777cd01a39700d4f85d6d3

Download Submit
memory/2596-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-900-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download