38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb

Analysis

max time kernel
150s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01/08/2024, 22:18

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
Size

31KB
MD5

e51c156c634e9e50a0c1b23324997340
SHA1

e6585c9ec5ba923a40a8fdb96e612ecf99ba167b
SHA256

38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb
SHA512

1a10496439aa71220e2093dd7e901235dc73296b5ab1a1ff7074a138e978e2a29a411db125a9f6853d25d177df877b068894a77ba83f2ce2c7d0f93ffaab67bc
SSDEEP

768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATNy5goEBIEByQbzjrY/+TQbzjrY/CED:CTW7JJZENTNybEBIEBuEBIEBp

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5245) 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/888-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0009000000023408-2.dat	upx
behavioral2/files/0x0014000000022950-6.dat	upx
behavioral2/memory/888-1226-0x0000000000400000-0x000000000040A000-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\es\System.Windows.Controls.Ribbon.resources.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-convert-l1-1-0.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_Grace-ppd.xrm-ms.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSWORD.OLB.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Office16\STSLIST.DLL.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\7-Zip\Lang\bn.txt.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\Alphabet.xml.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Java\jre-1.8\bin\net.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_LinkNoDrop32x32.gif.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-ul-oob.xrm-ms.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_OEM_Perp-ul-oob.xrm-ms.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationTypes.resources.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\WindowsBase.resources.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Linq.Parallel.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemXml.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationUI.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationTypes.resources.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\icudtl.dat.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-pl.xrm-ms.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\7-Zip\Lang\kaa.txt.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\tipresx.dll.mui.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\SOLVER\SOLVER32.DLL.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-pl.xrm-ms.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PPT_WHATSNEW.XML.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-ul-phn.xrm-ms.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Trial-ul-oob.xrm-ms.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\colorimaging.md.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-ppd.xrm-ms.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-synch-l1-2-0.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Numerics.Vectors.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad.xml.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Common Files\System\ado\msader15.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Common Files\System\ado\msado26.tlb.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.DiagnosticSource.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Controls.Ribbon.resources.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.et-ee.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ru-ru.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.powerpointmui.msi.16.en-us.xml.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Retail-pl.xrm-ms.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_KMS_Client-ppd.xrm-ms.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\ExpenseReport.xltx.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Java\jre-1.8\bin\jli.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Java\jre-1.8\lib\jfr\default.jfc.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\LimitReset.wmf.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial-ul-oob.xrm-ms.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-pl.xrm-ms.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Java\jre-1.8\bin\server\Xusage.txt.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Java\jre-1.8\bin\ucrtbase.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Java\jre-1.8\lib\cmm\CIEXYZ.pf.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\zipfs.jar.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\c2rpridslicensefiles_auto.xml.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-pl.xrm-ms.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_COL.HXC.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\mip.exe.mui.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Common Files\System\ado\adovbs.inc.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSZIP.DIC.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\BOOKOS.TTF.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsfra.xml.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\Microsoft.VisualBasic.Forms.resources.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\chrome_elf.dll.tmp	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.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	38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe

C:\Users\Admin\AppData\Local\Temp\38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe
"C:\Users\Admin\AppData\Local\Temp\38266688a9807d2e6d81b2cacf1a6ca9dccf52cf885ce7757758b0f38eed64bb.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:888

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-195445723-368091294-1661186673-1000\desktop.ini.tmp

Filesize
31KB

MD5
b91a6a8261d3db5ae8d1ae770fdae245

SHA1
730b6557adc6bbf8953be3158ac6da453df8a15d

SHA256
0d304847e6cc402ed1420e0b61c1797aabdfbd8a8013f25933709c00346cb0dd

SHA512
aeb7d9502eaa5eca15f1a996d7eba7d119f7d805a9400446f609bc9524f88829cb5a94ed1cf53dd1c577c9c27ec5beba13aaaf44c2dd5bb56c4210aaddf7fc13

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

Filesize
130KB

MD5
434708a90661d8787a8ae2e78611919d

SHA1
d871fffd5aa446d129f1e65e35aaec52cfb69a02

SHA256
23acf6bf34694d063b2a480be19ad0506e190c040ba6f7e1173df848e0f90cc2

SHA512
7fb0a39f84f576ecc6c683cc9c308c63c6e0f12b8e1e1acc2656ed5e831400edc307f7a9d6bf7ec5fffb76cd9da2d2a695ad4f0f182ad5de0ed9d3b0e2990f9b

Download Submit
memory/888-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/888-1226-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download