6a11d62983d45db923a5c8ca1598288d766d27e3a4b3268459b705df3c78aca4

Analysis

max time kernel
120s
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
04-09-2024 20:46

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General

Target

5e84b5e938d82ef8d92a23077a7d9cc0N.exe
Size

59KB
MD5

5e84b5e938d82ef8d92a23077a7d9cc0
SHA1

9283e247a5aaae1a85e91611be17fb9e15907ce7
SHA256

6a11d62983d45db923a5c8ca1598288d766d27e3a4b3268459b705df3c78aca4
SHA512

ad70cbcca08597fa7ce6b0623673029965360f426f39c2e5e4f929dd4624a194c6828a608fd0780443a84cbdc66f19bf9779efc5668b35aa3c5aea93fdf09043
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcwBcCBcw/tio/tid:V7Zf/FAxTWoJJ7TTQoQd

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4638) 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/0x00090000000233f2-2.dat	upx
behavioral2/files/0x0008000000023455-6.dat	upx
behavioral2/memory/208-864-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\UIAutomationProvider.resources.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-pl.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_COL.HXT.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-140.png.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogoCanary.png.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription-pl.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\tabskb.dll.mui.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\WindowsFormsIntegration.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_KMS_Client-ul.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\APPLAUSE.WAV.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-conio-l1-1-0.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\ReachFramework.resources.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_SubTrial-pl.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ORGCINTL.DLL.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Java\jdk-1.8\javafx-src.zip.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ul-phn.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ppd.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R64.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Cng.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0090-0000-1000-0000000FF1CE.xml.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp4-ul-oob.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Globalization.Calendars.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-ppd.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\orcl7.xsl.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ul-phn.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\fr\msipc.dll.mui.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.resources.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-time-l1-1-0.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_KMS_Client_AE-ul.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Grace-ppd.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\cacerts.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Grace-ul-oob.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-ul-phn.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_PrepidBypass-ppd.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Common Files\System\ado\msadrh15.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebSockets.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationClient.resources.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\WindowsBase.resources.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\fxplugins.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ul-phn.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-pl.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\dom.md.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription3-ppd.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Practices.Unity.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_f2\FA000000002.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.resources.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\content-types.properties.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\unlimited\US_export_policy.jar.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-ppd.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-pl.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.lv-lv.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Calibri.xml.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription1-pl.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ul-oob.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_COL.HXC.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Tools.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunpkcs11.jar.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ul-phn.xrm-ms.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.sk-sk.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\vcruntime140.dll.tmp	5e84b5e938d82ef8d92a23077a7d9cc0N.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	5e84b5e938d82ef8d92a23077a7d9cc0N.exe

C:\Users\Admin\AppData\Local\Temp\5e84b5e938d82ef8d92a23077a7d9cc0N.exe
"C:\Users\Admin\AppData\Local\Temp\5e84b5e938d82ef8d92a23077a7d9cc0N.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-1-5-21-2392887640-1187051047-2909758433-1000\desktop.ini.tmp

Filesize
59KB

MD5
1f785d304625b763a98d33d2928feaf1

SHA1
31865a5b3d253a1ba45d0840b7c9025ae7746aed

SHA256
73647a30c8fa405d12aaa62948370ea54dd288c68b79ebc2f42c9cfb3bee8def

SHA512
87550284a0cd91a1dd8e57a0ea28e249d978fdf3a2c53c568436254805465bc4cd451c714b669ffb8502e616f11c1eb515f7799080abf25c6b113298725c123f

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

Filesize
158KB

MD5
61d6ed77754e42d5a3ae151f91e0d62f

SHA1
92d511c0491741046121338e9050a463bc74b2ac

SHA256
e25fb72b05b5ed20a3213c74b36577f1d71fc906300ab3339a8f5016ec6820cb

SHA512
f601a01f736d65d4a03302bb7d0ec1a0f52169e2d409f1265400873dfc65d01c383aa2b35892f9c22e1a4cccf7ffd8c74be68a352bbac0a14b0f1dc9c0298d67

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

Filesize
44KB

Download
memory/208-864-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download