c3edd192ca28d46b9ee01a3111d3b06a76461dcd73629186fd7d903e5f1bfad7

Analysis

max time kernel
120s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16/08/2024, 23:13

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General

Target

6fba78d7e616f15cd698f8a289a91840N.exe
Size

81KB
MD5

6fba78d7e616f15cd698f8a289a91840
SHA1

e098f90df2d9e119cdb324805b95f3053ad9915a
SHA256

c3edd192ca28d46b9ee01a3111d3b06a76461dcd73629186fd7d903e5f1bfad7
SHA512

4d396583591854347ecbb40259fced27c16f88d0757f601f03f76211682a026b4bb2da8f85e918851621fb33da6bdce9ec70c79c9cf68210a81bd504b240a132
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8IZzaI:fnyiQSo7ZzaI

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4369) 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/4064-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023408-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/4064-762-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre-1.8\bin\WindowsAccessBridge-64.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Grayscale.xml.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Trial-ul-oob.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.ServicePoint.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.InteropServices.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\vcruntime140.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-pl.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\npt.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightDemiBold.ttf.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Blue Warm.xml.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.ILGeneration.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationClientSideProviders.resources.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-file-l1-2-0.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_CopyNoDrop32x32.gif.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Java\jre-1.8\bin\deploy.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\icu.md.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-ul-phn.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTest-ppd.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad.xml.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ja-jp-sym.xml.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_CN.properties.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ORGCHART.CHM.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationCore.resources.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription1-ul-oob.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-pl.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-ppd.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.ServicePoint.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Java\jre-1.8\bin\verify.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_EnterpriseSub_Bypass30-ppd.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jsse.jar.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ul-oob.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ppd.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Dynamic.Runtime.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Parallel.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Forms.resources.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\PresentationUI.resources.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Input.Manipulations.resources.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\IFDPINTL.DLL.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial1-pl.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ppd.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\TipTsf.dll.mui.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sl.pak.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ppd.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Forms.resources.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunpkcs11.jar.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-ul-phn.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\tipresx.dll.mui.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sl-SI\tipresx.dll.mui.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\LyncBasic_Eula.txt.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Grace-ul-oob.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.Win32.Registry.AccessControl.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-process-l1-1-0.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription5-ppd.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_KMS_Client-ul-oob.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\jpeg_fx.md.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Green.xml.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-ppd.xrm-ms.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\WindowsBase.resources.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\dtplugin\npdeployJava1.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_f7\FA000000007.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\Common Files\System\msadc\msadcor.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Emit.Lightweight.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Intrinsics.dll.tmp	6fba78d7e616f15cd698f8a289a91840N.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	6fba78d7e616f15cd698f8a289a91840N.exe

C:\Users\Admin\AppData\Local\Temp\6fba78d7e616f15cd698f8a289a91840N.exe
"C:\Users\Admin\AppData\Local\Temp\6fba78d7e616f15cd698f8a289a91840N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4064

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
82KB

MD5
9f2b97d8b060e04dec6818ae79834586

SHA1
32c806ed90ed165d81d9c6ae2f32feab289253ef

SHA256
ad005e345e9df4cd6fc81a82269d319e61c133237a4a51be1ae6d36d3a07ae29

SHA512
13f593fe4d517faa2d2be2c7481f8eefcb779e9d718e53c48ae7bdd58c6d1ffccc92280ae70447cfe8efab86af985927dac4c2f703dff8a7bf0d03b34b41a3a3

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

Filesize
180KB

MD5
9752b6dd9e720385c8baf37ec1ec1f40

SHA1
4f7f184be0b53d969b42e6042de5aa380edf6595

SHA256
3cc656dcbd8d8f7cbb4788d39347b2f4a18afcc055c94fcabb16130d8af7283d

SHA512
0462e6bcf5b2ccc7428d2c2029d3f51b94d8f6bdcde9d66dd36cdf6dd93582c95e00db19f51d273a4adb25694da54ca8302768e8c7e6aa57c408612f4504ea3a

Download Submit
memory/4064-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4064-762-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download