d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61

Analysis

max time kernel
149s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 03:13

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General

Target

d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
Size

90KB
MD5

802d0c8fbbcf8bcece428f3e3a7b4bee
SHA1

f42601c2c68e5c4bbaf41b2863d6b7da6ce732b5
SHA256

d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61
SHA512

5ddb9aecba23836c855d2ca57b7e473f9df75b7b3a1511c865c1c7a8fb96f087aaa72e3e207a7440343f16bbbb1d0f03c1ec983b61e85e4ac930b54fabf77488
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9Sw2Yw24BT37CPKKdJJ1e:V7Zf/FAxTWoJJ7TcTW7JJ7T3r4

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5018) 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/1400-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002346f-2.dat	upx
behavioral2/files/0x00080000000234ce-6.dat	upx
behavioral2/memory/1400-804-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Retail-ul-phn.xrm-ms.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_KMS_Client-ul-oob.xrm-ms.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\7-Zip\Lang\et.txt.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ko.pak.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Java\jdk-1.8\README.html.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Trial-ul-oob.xrm-ms.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-ul-oob.xrm-ms.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\7-Zip\Lang\cs.txt.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\TipTsf.dll.mui.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_K_COL.HXK.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\id\msipc.dll.mui.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ppd.xrm-ms.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_KMS_Client-ul-oob.xrm-ms.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\fr\msipc.dll.mui.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ja-jp.xml.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\oledb32r.dll.mui.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Internet Explorer\it-IT\iexplore.exe.mui.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\eula.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Java\jre-1.8\lib\logging.properties.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.Primitives.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.InteropServices.RuntimeInformation.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_zh_TW.properties.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Windows.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\bg\msipc.dll.mui.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.AccessControl.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationCore.resources.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Models.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.scale-140.png.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-pl.xrm-ms.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-ul-phn.xrm-ms.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Office16\concrt140.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Configuration\card_terms_dict.txt.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\ShapeCollector.exe.mui.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\msvcp140.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Blue Warm.xml.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Office16\DBGCORE.DLL.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.scale-180.png.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\OpenSSL64.DllA\libssl-1_1-x64.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipscht.xml.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-debug-l1-1-0.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\clretwrc.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\PresentationFramework.resources.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\instrument.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationClient.resources.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationClientSideProviders.resources.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTest-pl.xrm-ms.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.th-th.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tipskins.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\zh-CN\tipresx.dll.mui.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.AccessControl.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\PresentationCore.resources.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Redshift\lib\OpenSSL64.DllA\openssl64.dlla.manifest.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Controls.Ribbon.resources.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationProvider.resources.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\Bibliography\BIBFORM.XML.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.scale-180.png.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Grace-ul-oob.xrm-ms.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\POWERPNT_F_COL.HXK.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\LTSHYPH_EN.LEX.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\Common Files\System\msadc\msadce.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Xaml.dll.tmp	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.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	d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe

C:\Users\Admin\AppData\Local\Temp\d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe
"C:\Users\Admin\AppData\Local\Temp\d1f97bcbd5f77c0e4b201453e6107d916757626d725842f378cac39ba6c07f61.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1400

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
90KB

MD5
516e027f4f5de9dc4c297da4233589aa

SHA1
c23fd4821d2fe546dc45fa5fc36cc2a1879efc08

SHA256
6556edd083a77f316ca5614d358bd018bcc945c35525a205eeb36667b30d35bb

SHA512
8781f5c3e75e28469530b025b50f596562093529a23bbebcbc567559e4105c28ad62112f726abbe296b56bfa0d0e956ece15a74c45c636244ddb6d926320fe60

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

Filesize
189KB

MD5
0d3d78586c298bf407449d8191da77d1

SHA1
cc35a16ca3beae991839bdd0f8b3c54a5da41431

SHA256
d7d9d9aa21f7fd8d93b8ef4c4a16a00de0ef0ecf37d6730eb1f169e7c373a87c

SHA512
97933bb85f07313f823f96a83161bf5af6e92ca622c24c19582d6777213e4e535bbe81c8aafe9f204391519757d0c88a0295a8904b96361ff2c80b9b080fe832

Download Submit
memory/1400-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1400-804-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download