4a0e54dd35d6a0fb3066f4e843fc93b13f345398318cada4802af1e30ede9cda

Analysis

max time kernel
119s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-08-2024 12:00

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General

Target

8982a7b2b019c913b7722f97bb3a8030N.exe
Size

68KB
MD5

8982a7b2b019c913b7722f97bb3a8030
SHA1

ac9f8c472479486d2e48f0b20270a3a058b66559
SHA256

4a0e54dd35d6a0fb3066f4e843fc93b13f345398318cada4802af1e30ede9cda
SHA512

8b2dfbf190a9f4d0667f492dd92be3e93068f197a930caa58cc5652295a90e73d6119393eb6c05e072e7c98ac10983347b88e152feebd57c673ccc5c08e57d7f
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjSEXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rA:V7Zf/FAxTWgGpGdQuEzEH

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4648) 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/4400-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233e5-2.dat	upx
behavioral2/files/0x000400000002291b-6.dat	upx
behavioral2/memory/4400-1954-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-ul-oob.xrm-ms.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\npt.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\joni.md.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-runtime-l1-1-0.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Blue II.xml.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\msdasqlr.dll.mui.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Process.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Forms.Primitives.resources.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial3-ppd.xrm-ms.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Accessibility.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Grace-ppd.xrm-ms.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GR8GALRY.GRA.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription1-ppd.xrm-ms.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_Subscription-ul-oob.xrm-ms.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\7-Zip\Lang\fy.txt.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.Primitives.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\WindowsFormsIntegration.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O17EnterpriseVL_Bypass30-ul-oob.xrm-ms.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Data.Common.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTrial-pl.xrm-ms.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ppd.xrm-ms.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_MAKC2R-ppd.xrm-ms.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\AccessRuntime_eula.txt.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.NETCore.App.deps.json.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\123.0.6312.123.manifest.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\JavaAccessBridge-64.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Java\jre-1.8\bin\policytool.exe.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\STSLISTI.DLL.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\da\msipc.dll.mui.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\UIAutomationClient.resources.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fi.pak.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-ppd.xrm-ms.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QRYINT32.DLL.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Input.Manipulations.resources.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ul-oob.xrm-ms.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\misc.exe.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui\oskclearuibase.xml.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial2-ul-oob.xrm-ms.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-ul-oob.xrm-ms.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-ul-oob.xrm-ms.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-ppd.xrm-ms.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_COL.HXC.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Primitives.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.Win32.Registry.AccessControl.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Internet Explorer\fr-FR\ieinstal.exe.mui.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Internet Explorer\hmmapi.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\Invite or Link.one.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1036\MSO.ACL.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Resources.ResourceManager.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationUI.resources.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\WindowsBase.resources.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mscss7cm_es.dub.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationClientSideProviders.resources.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange.xml.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_KMS_Client-ul.xrm-ms.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.resources.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_de.properties.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ppd.xrm-ms.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\Java\jre-1.8\bin\sunec.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Input.Manipulations.resources.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Controls.Ribbon.resources.dll.tmp	8982a7b2b019c913b7722f97bb3a8030N.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	8982a7b2b019c913b7722f97bb3a8030N.exe

C:\Users\Admin\AppData\Local\Temp\8982a7b2b019c913b7722f97bb3a8030N.exe
"C:\Users\Admin\AppData\Local\Temp\8982a7b2b019c913b7722f97bb3a8030N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4400

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-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp

Filesize
68KB

MD5
1ca44e5908c8466e68161d4261b4b15c

SHA1
f4a4b88a9a3769bc22a0dececcd18f88a15a032a

SHA256
5dfea241e0d596e8abd839f759454b85fdd0fea6656c34455f69a39aadc45f46

SHA512
9b86470176f22c7ae25af3b3dad6c5d1d5582d917d2976899db1126c5bbb5571cb5a5541b73f1b2b9a3a3b0b833c983e09b2bd8b2366e89ee573b0b7b445a0bc

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

Filesize
167KB

MD5
68206e9ac61d83a23ea51743d9c24a92

SHA1
efdc463c62f74bb1fa8d20d3d153d6ac1f4a8531

SHA256
96be655a326204d3c766d24884e4f268e9583b79d24475eb823f691ee5df50b2

SHA512
b11414630d68a5d01a09c58873cbd17e9a4f4e739223dc8f274bf3396bc847e2ca444933bbf016fb5d7cbe70fc3d6bb0966c86bc36de7e3a1d6df5c5d60efe54

Download Submit
memory/4400-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4400-1954-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download