2bb5ab048e6af08e5c35ae3d1aed5810acca1fb552a38fd6232eb5c67085885b

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 11:34

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General

Target

eb7121a9d986224892ec512a47f41c90N.exe
Size

24KB
MD5

eb7121a9d986224892ec512a47f41c90
SHA1

5799f071fbd7ea4ec059305c8f47e660dc1b1c32
SHA256

2bb5ab048e6af08e5c35ae3d1aed5810acca1fb552a38fd6232eb5c67085885b
SHA512

d033db1ace9b7bc0e1638099233550b1221a996a41724a4615f182b845d1e46b5dc876299a1ed1aa2bda6b518f976406b89684df6190e20d1230db7b06bd9a15
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI95GbGK:CTW7JJ7To

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5091) 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/852-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00080000000233f9-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/852-901-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\ShapeCollector.exe.mui.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\dynalink.md.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PowerPointNaiveBayesCommandRanker.txt.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\MSHY7FR.LEX.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\gu.pak.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Internet Explorer\en-US\iexplore.exe.mui.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\thaidict.md.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelFloatieXLEditTextModel.bin.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\zh-TW\tipresx.dll.mui.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Xaml.resources.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy.jar.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Aspect.xml.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_Subscription-ppd.xrm-ms.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_ghost_company.png.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationTypes.resources.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\calendars.properties.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-ul-phn.xrm-ms.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-pl.xrm-ms.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mce.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\dotnet\host\fxr\7.0.16\hostfxr.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Accessibility.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationProvider.resources.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Xaml.resources.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-pl.xrm-ms.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-processthreads-l1-1-0.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial-pl.xrm-ms.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_KMS_Client-ul-oob.xrm-ms.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial2-ppd.xrm-ms.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\DIFF_MATCH_PATCH_WIN32.DLL.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL111.XML.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Java\jre-1.8\bin\klist.exe.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AuthoredExtensions.16.xml.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial.xml.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Grace-ul-oob.xrm-ms.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-pl.xrm-ms.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-180.png.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hr-hr.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Sockets.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Pipes.AccessControl.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000042\strings.resjson.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.CompilerServices.Unsafe.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Configuration.ConfigurationManager.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp2-pl.xrm-ms.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN081.XML.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\7-Zip\Lang\br.txt.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Classic.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\dt_shmem.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-time-l1-1-0.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Paper.xml.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\orb.idl.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.officemuiset.msi.16.en-us.xml.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.scale-180.png.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp4-ul-phn.xrm-ms.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-ul-oob.xrm-ms.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-pl.xrm-ms.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\ReachFramework.resources.dll.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Google\Chrome\Application\chrome.exe.tmp	eb7121a9d986224892ec512a47f41c90N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp6-ul-oob.xrm-ms.tmp	eb7121a9d986224892ec512a47f41c90N.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	eb7121a9d986224892ec512a47f41c90N.exe

C:\Users\Admin\AppData\Local\Temp\eb7121a9d986224892ec512a47f41c90N.exe
"C:\Users\Admin\AppData\Local\Temp\eb7121a9d986224892ec512a47f41c90N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:852

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-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

Filesize
24KB

MD5
bfeefe70493a8ced157701e682f823be

SHA1
bbc35449ed4f40c581dfa31741958dfa23a55f8b

SHA256
d0805705b45bbb829a94a86c8a39992a6b39bf26f8523da45dd4970032bc7647

SHA512
a17492c61393747663c22bc2a5b95bd5b6381fdefc32188edb4e74538ca3a0b26383d7fd1bab60eba18834e6fb26d70858862c05cac00a28540624ee194f9b58

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

Filesize
123KB

MD5
03bb01df9b751f5fd496a935480d950c

SHA1
9f430abc10d7d96b1e0e488f26525affdcd6c37c

SHA256
d4cec81fb6298a2cb1d3a6df557856c7d9a0a05a444e02117a76ea3d146a11fc

SHA512
7bebb20036e46da63c8d4ed0401a333e09ecfb1c7dbe9233de6e38312e4a0dfac7cc112167581c5d02e520791a953bf983ec97f747c6fca0468f3ae91b23c857

Download Submit
memory/852-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/852-901-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download