b083fd3e69e9e3f6e858f4d09e45472d9ff78d93d9c6c03d4116d566b2144c8a

Analysis

max time kernel
120s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 23:49

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General

Target

22c9520ff47de5694c13da97fcf4bde0N.exe
Size

49KB
MD5

22c9520ff47de5694c13da97fcf4bde0
SHA1

39ffc25b4b44c48ceafb1a028fd55a08f0a575a6
SHA256

b083fd3e69e9e3f6e858f4d09e45472d9ff78d93d9c6c03d4116d566b2144c8a
SHA512

93c9103b35c494362ff8734fe62facb5493752496e4d6769de59cb6a8691fd5c3c7d4144d5149b90b1330b9dc76849f3d886630215dbd464af6d5e29728be9f1
SSDEEP

768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFzv:CTWn1++PJHJXA/OsIZfzc3/Q8zxY5o

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4303) 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/5068-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000900000002347b-2.dat	upx
behavioral2/files/0x0014000000022909-6.dat	upx
behavioral2/memory/5068-1020-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_OEM_Perp-pl.xrm-ms.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipschs.xml.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Common Files\System\ado\de-DE\msader15.dll.mui.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msaddsr.dll.mui.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.AppContext.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Controls.Ribbon.resources.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jp2ssv.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\7-Zip\Lang\ro.txt.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqloledb.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Threading.AccessControl.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_zh_HK.properties.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R32.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_heb.xml.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\PresentationFramework.resources.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-pl.xrm-ms.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_Subscription-ppd.xrm-ms.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-pl.xrm-ms.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationClient.resources.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\kn.pak.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jstack.exe.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_KMS_Client-ul.xrm-ms.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-ul-phn.xrm-ms.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-ul-oob.xrm-ms.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Grace-ppd.xrm-ms.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Input.Manipulations.resources.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\WindowsFormsIntegration.resources.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\jawt_md.h.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Candara.xml.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ul-oob.xrm-ms.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Trial-pl.xrm-ms.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Design.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp4-ul-phn.xrm-ms.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SkypeForBusinessVDI2019_eula.txt.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.nb-no.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.Primitives.resources.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\de.pak.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Subtle Solids.eftx.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvApi.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\dtplugin\npdeployJava1.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.resources.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\java.security.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXPTOOWS.DLL.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription3-ul-oob.xrm-ms.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\7-Zip\readme.txt.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.pt-br.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\PresentationUI.resources.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Installer\setup.exe.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\AccessRuntime_eula.txt.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-ul-oob.xrm-ms.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-ul-phn.xrm-ms.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\FOLDER.ICO.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sql90.xsl.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msdaprsr.dll.mui.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\prism_common.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\msvcp140_1.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest1-ppd.xrm-ms.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTest-pl.xrm-ms.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_KMS_Client-ppd.xrm-ms.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\7-Zip\Lang\et.txt.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\Common Files\System\wab32.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsFormsIntegration.resources.dll.tmp	22c9520ff47de5694c13da97fcf4bde0N.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	22c9520ff47de5694c13da97fcf4bde0N.exe

C:\Users\Admin\AppData\Local\Temp\22c9520ff47de5694c13da97fcf4bde0N.exe
"C:\Users\Admin\AppData\Local\Temp\22c9520ff47de5694c13da97fcf4bde0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5068

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-1-5-21-384068567-2943195810-3631207890-1000\desktop.ini.tmp

Filesize
49KB

MD5
e3a5bdfeac225dfcc46ae73717688c89

SHA1
a265b59028bfc4e9799050cb5d9ea9a2687746c6

SHA256
46523b1aa253210590ac82f0d79912f8898bfc259780a55fb56ae7987a7c7d67

SHA512
16bccc30b263eee1cc6480b663fc67974e37dac69e37d77898fa3d4580b885f292660d6491baf9d1e1b2b4b39bf4f4e28e157fd05022b8e2d9c6d3dc08297fb3

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

Filesize
148KB

MD5
fd0a2353c3cd1fb4aecd2310ae9e67da

SHA1
5bb144ab11f58a8d3b9f18c432b194ff1e208927

SHA256
537f6d8fb08f752d34832f60eedd4324d491a03c7a1b6b118a9dc7a8685dc8a0

SHA512
38e8979cb442e457d29f4351b008d29a5251e0549dee2c55b430decd03d48b4a6bebf1d8a6cddfbb430247e7c06e675b14141dd71e3560e88b05590ae3541e82

Download Submit
memory/5068-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/5068-1020-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download