0bec07b74653535c1ae0ae2f2ecb2ae94d100fe3aff8686fe7bc002cea317cb1

Analysis

max time kernel
119s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 12:30

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General

Target

676e27454f71bd8fe77e1e266a30cac0N.exe
Size

29KB
MD5

676e27454f71bd8fe77e1e266a30cac0
SHA1

8a7e6ecd9efb26a1b649d3f84aee071224c5d397
SHA256

0bec07b74653535c1ae0ae2f2ecb2ae94d100fe3aff8686fe7bc002cea317cb1
SHA512

1089790c8ba11dcc2abf2d4a9da9a246c9671abbd65e89d2701db61da938c68edbd9147e3338d5e139174ad097f207e589f63f75d1370e817269f819b599413f
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJ1Evd5BvhzaM9mSIEvd5BvhzaM9mSsxmMxm9+9ZJ0:kBT37CPKKdJJ1EXBwzEXBwdcMcI9ZJ0

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4671) 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/1280-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00080000000234d6-2.dat	upx
behavioral2/files/0x0014000000022913-6.dat	upx
behavioral2/memory/1280-1039-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\7-zip.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebProxy.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeServiceBypassR_PrepidBypass-ul-oob.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MML2OMML.XSL.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\dnsns.jar.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Grace-ul-oob.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\tabskb.dll.mui.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipTsf.dll.mui.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Sockets.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationClientSideProviders.resources.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-pl.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-ul-phn.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ul-phn.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msxactps.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javap.exe.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\jfxrt.jar.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProDemoR_BypassTrial180-ppd.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_Subscription-ppd.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\7-Zip\Lang\sl.txt.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\PresentationUI.resources.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.PerformanceCounter.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\vcruntime140_1.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-utility-l1-1-0.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\java.exe.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe.manifest.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.PPT.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordbi.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\PresentationUI.resources.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaSansRegular.ttf.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.Extensions.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\PresentationUI.resources.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-ul-oob.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ospintl.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\de\msipc.dll.mui.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Numerics.Vectors.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PenImc_cor3.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Red.xml.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-ul-oob.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Controls.Ribbon.resources.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.Primitives.resources.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy.jar.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Grace-ppd.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Grace-ul-oob.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-ppd.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-ul-oob.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-ppd.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-pl.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.ConnectionUI.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightRegular.ttf.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-environment-l1-1-0.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Grace-ppd.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial2-ppd.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FilterModule.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\LogoBeta.png.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jni.h.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\Office16\OSPP.HTM.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-pl.xrm-ms.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationClientSideProviders.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\psfont.properties.ja.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msadcer.dll.mui.tmp	676e27454f71bd8fe77e1e266a30cac0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\WindowsFormsIntegration.resources.dll.tmp	676e27454f71bd8fe77e1e266a30cac0N.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	676e27454f71bd8fe77e1e266a30cac0N.exe

C:\Users\Admin\AppData\Local\Temp\676e27454f71bd8fe77e1e266a30cac0N.exe
"C:\Users\Admin\AppData\Local\Temp\676e27454f71bd8fe77e1e266a30cac0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1280

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
29KB

MD5
c71b658873b92be8c91ecefd210cf2d7

SHA1
c5f56f28c3da0dbce821f61db156882896800af5

SHA256
f06576a4d83c9823a7705db91e4c3b517155a85b5a7544548e2f11919b66301a

SHA512
7741b818b3466b2bc26cb32e30db1a88cbc53e7a5a35ddad31f29275763ff348d7e52145f75efca41111565d44fc5274bff08e71a4df328e763d009ec084dee6

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

Filesize
128KB

MD5
d7675a163162deb4ec318fc34ce3c52c

SHA1
028e2c82d013a51435acfa8ba113661a4074e1a8

SHA256
5950736d5a638082a162248be1599773fac022a141459bcfbc9dc7fa18726b9a

SHA512
452f0e6f65894247fe2f5018047421caa0000c14dac8563118169548d65d6c4ef6e716f1187f4cdd010cbf942ed57d2ff8860c1b29f3bd20f50ce02af7b901eb

Download Submit
memory/1280-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1280-1039-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download