bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 02:49

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General

Target

bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
Size

58KB
MD5

64bfbdc7e5d8d54a3ca13afcd7158c63
SHA1

540e0b2f7856dda939280571e8957012399c7e4d
SHA256

bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5
SHA512

61194b1762288298a5713c0872771fbca00d16c6b19281915511099b59b0a7c83c3e2810363ffca5374fcb0377187ae5b74e3af481ae079ffbe6f8592ea029ca
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI97jyjWEWAnWAl5eiW5eiJ:V7Zf/FAxTWoJJ7TtyvtlDWDJ

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5163) 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/208-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b35-2.dat	upx
behavioral2/files/0x0004000000022916-6.dat	upx
behavioral2/memory/208-782-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\bin\pack200.exe.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\trusted.libraries.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\7-Zip\Lang\co.txt.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.DataContractSerialization.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\WindowsFormsIntegration.resources.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationTypes.resources.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSO0127.ACL.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Common Files\System\ado\msadox28.tlb.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Linq.Queryable.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Handles.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Grace-ppd.xrm-ms.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN108.XML.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-pl.xrm-ms.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationProvider.resources.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\xerces.md.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntime2019R_PrepidBypass-ppd.xrm-ms.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Trial-ppd.xrm-ms.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-pl.xrm-ms.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-ppd.xrm-ms.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Common AppData\Microsoft\OFFICE\DocumentRepository.ico.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\CompressAdd.ini.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Xaml.resources.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\zipfs.jar.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Java\jre-1.8\bin\instrument.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\CLVWINTL.DLL.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\bwnumbered.dotx.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.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	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\ContemporaryPhotoAlbum.potx.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msaddsr.dll.mui.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\msdasqlr.dll.mui.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.EventLog.Messages.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-profile-l1-1-0.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_MoveNoDrop32x32.gif.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jfr\profile.jfc.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Grace-ppd.xrm-ms.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.AddinTelemetry.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\TellMeRuntime.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\rsod\proof.es-es.msi.16.es-es.tree.dat.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\7-Zip\Lang\af.txt.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tiptsf.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Primitives.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Xml.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\WindowsBase.resources.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-pl.xrm-ms.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\TipRes.dll.mui.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\ea.xml.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tpcps.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Common Files\System\ado\ja-JP\msader15.dll.mui.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\sqlxmlx.rll.mui.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.CSharp.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\attach.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\pkcs11cryptotoken.md.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fi-fi.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javafx_iio.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\cacerts.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe.config.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.TraceSource.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\WindowsBase.dll.tmp	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.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	bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe

C:\Users\Admin\AppData\Local\Temp\bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe
"C:\Users\Admin\AppData\Local\Temp\bcd25d6386335a8de343a53b712fee10409086cd9efd40210d84d20e0b159be5.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:208

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-1-5-21-3442511616-637977696-3186306149-1000\desktop.ini.tmp

Filesize
58KB

MD5
fcbffff7b0c8141d6dcb5101fac55113

SHA1
72a02a681e40a5ca04f94a4474b63e35619b7aaa

SHA256
7f2faa8421c115193c2d15918c5f58d8c62f7f1a5d022e6337aa5785574630be

SHA512
c9e90663ca49756973184193621be0f2e79cf5ce3c1f3adafd5ac1a4423f65a11c0c4c7c80e5e5896c149b933d8eec66e35cd6c050e704b9a7d9e94cb29013c5

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

Filesize
157KB

MD5
05930b8ee98db0153543022f426442be

SHA1
e1afdcafae5df7c909bb644c76d6b99b78ad48b8

SHA256
f1339c937e41e578dbd8d194ac0c5fce3e0c75df3947d8684c7516809391852c

SHA512
0b13a8d95cca5aab2b930b72a53abc9537f135ded757e9f47d47c7322f934b636e1363f985b02ba6ccc8c3ab36aadbcee178b48f1dab1a31e183abd8e23a3260

Download Submit
memory/208-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/208-782-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download