c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a

Analysis

max time kernel
150s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-08-2024 02:38

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General

Target

c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
Size

37KB
MD5

e016d0704365f75ffa74413b2b08f2f8
SHA1

52a3ed175c254e05bb2edcc596ba2476cfe7b3d7
SHA256

c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a
SHA512

fe3ac902de7133650e5577da8b7af3c982c03421c62687cd065e06383b12dce456eb7eed622c6bbb7fafaaac1240efcc49183912c6ebd2a1e83bee05bd628373
SSDEEP

768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcu90TKe+0TKeinMdd:CTWUnMdyGdylT6

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5026) 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/3948-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000233d7-2.dat	upx
behavioral2/files/0x0004000000022922-6.dat	upx
behavioral2/memory/3948-992-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-file-l1-1-0.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusDemoR_BypassTrial365-ppd.xrm-ms.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN058.XML.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msadcer.dll.mui.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msaddsr.dll.mui.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Forms.Design.resources.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_MoveNoDrop32x32.gif.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ppd.xrm-ms.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\Microsoft.VisualBasic.Forms.resources.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\PresentationUI.resources.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\manifest.xml.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Input.Manipulations.resources.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Internet Explorer\iediagcmd.exe.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-pl.xrm-ms.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-processthreads-l1-1-1.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.Native.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Controls.Ribbon.resources.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Input.Manipulations.resources.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial2-ppd.xrm-ms.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Java\jre-1.8\bin\javacpl.exe.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E1-0000-1000-0000000FF1CE.xml.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-pl.xrm-ms.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\otkloadr_x64.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\cardview-addtotable.png.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tr-TR\tipresx.dll.mui.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-heap-l1-1-0.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOSTYLE.DLL.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\7-Zip\Lang\br.txt.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Xaml.resources.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\limited\local_policy.jar.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-pl.xrm-ms.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Internet Explorer\iexplore.exe.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN010.XML.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\SAEXT.DLL.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.scale-180.png.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.Annotations.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Controls.Ribbon.resources.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\th.pak.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\jaccess.jar.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-pl.xrm-ms.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\7-Zip\Lang\gu.txt.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.zh-cn.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.X509Certificates.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Forms.Primitives.resources.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN048.XML.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-localization-l1-2-0.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Controls.Ribbon.resources.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\awt.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ul-oob.xrm-ms.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OneNote\prnms006.inf.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\ReachFramework.resources.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\WindowsFormsIntegration.resources.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_KMS_Client-ul.xrm-ms.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\TellMePowerPoint.nrr.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\sqmapi_x64.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\PresentationCore.resources.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogoCanary.png.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ul-phn.xrm-ms.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_KMS_Client-ul.xrm-ms.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN121.XML.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsar.xml.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\PresentationUI.resources.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Royale.dll.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-pl.xrm-ms.tmp	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.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	c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe

C:\Users\Admin\AppData\Local\Temp\c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe
"C:\Users\Admin\AppData\Local\Temp\c233a61539d0fd8c3c4903ec50003d9ec03162840a43a7f5da78e61082360f8a.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3948

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-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

Filesize
37KB

MD5
8cc5b3ab392993797e622e023f0a165e

SHA1
4503dd6f1f89083ba06e8f27e0aafd97f8f71b30

SHA256
d6c9907efabb0dea05488b97dd3b45c4090f4383c3ac29ed1aa59462633064af

SHA512
67776f267d94c00d89833a7b6bf7c00063975bb9197f3d022faadb349cd53fd7ce808636c109ea95a3873e450fc6565afe0921279e9af560dd7c3910af9179fc

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

Filesize
136KB

MD5
9cfa068b64eaf0f7490a9185de17f97d

SHA1
e18acb51d9a2f5d5065bfa411041d190e347329c

SHA256
6d5fd17683cec666915f49aa321ec120973da4bca49f89bf87d86b4a0f5c3f66

SHA512
bdcfa326920afc629a68787ad220e799a64074f92e32a749a4d8dc9a85f7d31912760e914e710de3bcd23b58c041945b01323ae4e2f32a0f257df336992e7578

Download Submit
memory/3948-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3948-992-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download