37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 20:52

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General

Target

37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
Size

57KB
MD5

b508dba54122afba49063d793c5d82ea
SHA1

2cd96c99935198a2ffd7f4353ec803e1c1701803
SHA256

37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a
SHA512

53fca5ec6e8d3425400c60e48cf678e107e2a3459c943647b821865bc321ce535919165be7b4acf65922bfcbfbef76c8f661242ed5419ca2f9aeaaea191964b4
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNyHF/MF/6m0mdx:V7Zf/FAxTWoJJZENTNyl2Sm0mPWW

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5113) 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/2504-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023449-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/2504-874-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationCore.resources.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\vcruntime140_1.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\msgr8es.dub.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ShapeCollector.exe.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-console-l1-1-0.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Pipes.AccessControl.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sql70.xsl.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\FUNCRES.XLAM.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationTypes.resources.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationProvider.resources.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OSFPROXY.DLL.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Tec.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\7-Zip\Lang\he.txt.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\D3DCompiler_47_cor3.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial4-ul-oob.xrm-ms.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART8.BDR.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\XML2WORD.XSL.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\Alphabet.xml.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTest-ul-oob.xrm-ms.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-pl.xrm-ms.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN002.XML.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\msdasqlr.dll.mui.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription5-pl.xrm-ms.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-ul-oob.xrm-ms.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\SEQCHK10.DLL.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Common Files\System\ado\msado15.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogo.png.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerView.PowerView.x-none.msi.16.x-none.xml.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-ul-phn.xrm-ms.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHSRN.DAT.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\LibCurl64.DllA\OpenSSL64.DllA\libcrypto-1_1-x64.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\th.pak.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\relaxngdatatype.md.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.Extensions.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Extensions.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Drawing.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\WindowsBase.resources.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\GetCopy.mpa.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-ul-phn.xrm-ms.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ul-phn.xrm-ms.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Internet Explorer\en-US\ieinstal.exe.mui.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Yellow.xml.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ppd.xrm-ms.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-process-l1-1-0.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Internet Explorer\SIGNUP\install.ins.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.powerpointmui.msi.16.en-us.xml.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.Recommendation.Common.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Java\jre-1.8\bin\instrument.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\nashorn.jar.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLMACRO.CHM.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MINSBROAMINGPROXY.DLL.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationClientSideProviders.resources.dll.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-ul-oob.xrm-ms.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\rsod\proof.es-es.msi.16.es-es.tree.dat.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-ul-phn.xrm-ms.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.VisualElementsManifest.xml.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-ppd.xrm-ms.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntryR_PrepidBypass-ppd.xrm-ms.tmp	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.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	37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe

C:\Users\Admin\AppData\Local\Temp\37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe
"C:\Users\Admin\AppData\Local\Temp\37dabcae453c3c6b3e291b6bcd5fd5b7538ca02d76f6382fca890c6b60696e0a.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2504

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-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

Filesize
57KB

MD5
5e67d32052ead62cd8ee1145df16317c

SHA1
e9aeb542696da9af3c7dc8b2a4662d75d6fc80c5

SHA256
a598dc37fdd76ec879b5120c49e423b9dfa04ab12fdf45b9fd447c06e02feea1

SHA512
f6da540738d407802cefce6e01e198ffe38fdffc39d406f252692a46ccfe5512367be4197ea48393cff55eeec7262af93e900134da7cd503f094c108a6619581

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

Filesize
156KB

MD5
59d1157ee5d02373344c2f05a45ec41c

SHA1
733ea9dc7ad39e9e9e313313a7575d2b9b46b5cc

SHA256
6d688c36612811fbea4b90700e32733ec6e117a0437708a60ae1673eef0eaf7a

SHA512
f88f26e7842364680b21d52cb1dbd4bd6494a337d50cccf115ea2fff1159d46076171f506099773f28bc5f94b47b93e59a208da698221bdf56b12426d068bc67

Download Submit
memory/2504-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2504-874-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download