083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe

Analysis

max time kernel
150s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13/08/2024, 18:18

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General

Target

083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
Size

53KB
MD5

df0a39bed16dfb2dd1c733ecc3544e2b
SHA1

ddd96faf9577328f463f1a2fe91e56bf209901fd
SHA256

083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe
SHA512

c5449d259b15c362ab8100854da55b7c58b266ec4ed8bab82db25d9a14b4df231b2e9a242bfd224ae8288cf155629791939edc71647e6fbfc49a3407d406c0fd
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJBZBZaOAOIB3jM2jMHsLzwzou7u8:V7Zf/FAxTWoJJB7LD2I2IHsLMd

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5117) 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/3312-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023401-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/3312-1822-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ul-oob.xrm-ms.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Grace-ul-oob.xrm-ms.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_KMS_Client-ul-oob.xrm-ms.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\WindowsFormsIntegration.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Royale.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Client\C2R32.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-100.png.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ipcsecproc.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.ILGeneration.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome.exe.sig.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\lcms.md.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sql120.xsl.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OFFSYMSL.TTF.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Office16\react-native-win32.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\7-Zip\Lang\fa.txt.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\ShapeCollector.exe.mui.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Common Files\System\wab32res.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.DataAnnotations.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Primitives.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\resource.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Trial-ppd.xrm-ms.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Grace-ul-oob.xrm-ms.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\POWERMAPCLASSIFICATION.DLL.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationClientSideProviders.resources.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Aero.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\pkcs11cryptotoken.md.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\mesa3d.md.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_MAK_AE-ul-oob.xrm-ms.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Java\jdk-1.8\jre\COPYRIGHT.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-pl.xrm-ms.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_SubTrial-ul-oob.xrm-ms.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Security.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\clretwrc.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebSockets.Client.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationClientSideProviders.resources.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationCore.resources.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOARIANEXT.DLL.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.zh-tw.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\PresentationUI.resources.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\tzmappings.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial5-pl.xrm-ms.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Office16\VISSHE.DLL.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordbi.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\UIAutomationTypes.resources.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Design.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_LinkDrop32x32.gif.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-100.png.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-ul-phn.xrm-ms.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Grace-ppd.xrm-ms.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-ppd.xrm-ms.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_elf.dll.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Java\jre-1.8\bin\pack200.exe.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Java\jre-1.8\lib\cmm\PYCC.pf.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Organic.thmx.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Century Gothic-Palatino Linotype.xml.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Common Files\System\ja-JP\wab32res.dll.mui.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Grace-ppd.xrm-ms.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\as90.xsl.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.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	083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe

C:\Users\Admin\AppData\Local\Temp\083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe
"C:\Users\Admin\AppData\Local\Temp\083a99496b70f4e81ae784bf8488670f20cffb84767a647a91f6e92bf9f7c7fe.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3312

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-1-5-21-4182098368-2521458979-3782681353-1000\desktop.ini.tmp

Filesize
54KB

MD5
e2b54d437f7dd9c06ba85c242dd50f05

SHA1
d7834170393e1b843181596ef8dba5f8b950ecbb

SHA256
94464d876199da4cf96f70010455df4d22a2cdf34673c17615830095bc0afda4

SHA512
f0a4e422986846e75a3ff3a3bdbd213fcd1104c6f82067f8b87b489bad534fde40f6f2585c98b3dfdb0c1f48d46b97ebe7fd7f7d5fad712e4dfdf89beceed80e

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

Filesize
153KB

MD5
c6867747eebb4be12fb772ba4292e9da

SHA1
8498bb6611d867d9c9a677e69e90d68aabfded97

SHA256
2d8e4702b0271cf94d5a2c4cc8ce9e3717d2f4a795e4b9075a30082cecef350b

SHA512
0555d29e8e9e2c4af61d5a40d31b358fb95fec42c960d8d4b2ff942381e9a856009eb2b41964178ac77cf059c849279f2ee4e3020bc82318019616e7918b2ce7

Download Submit
memory/3312-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3312-1822-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download