2823d04b9c725009c248232f608c700dc93af81102881cd2d2b286310a854a92

Analysis

max time kernel
120s
max time network
102s
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, 22:18

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General

Target

14bf0c27fe16e69ca71482d25a249cb0N.exe
Size

70KB
MD5

14bf0c27fe16e69ca71482d25a249cb0
SHA1

f599fa2f2f2e27c1fbe07d4cc764aa074cfb23e8
SHA256

2823d04b9c725009c248232f608c700dc93af81102881cd2d2b286310a854a92
SHA512

334b7074b7121f00c2ee0b17cad49f253342c6349113c281f5c67968c740f20a28956c93d757e9b62959891e44e04c75d4f90f09f0c4e9ad2f2f641b7a067c19
SSDEEP

1536:V7Zf/FAxTWxOmO/fxRfxykK3ZUkK3ZKY5:fny+Tuf7fs6L

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4530) 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/3224-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000001e600-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/3224-1790-0x0000000000400000-0x000000000040B000-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\pt-BR\PresentationCore.resources.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\java.security.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Trial-pl.xrm-ms.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\zh-TW\tipresx.dll.mui.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Buffers.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Primitives.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\ReachFramework.resources.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Formats.Asn1.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\prism_d3d.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_K_COL.HXK.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebSockets.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\lcms.md.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-ul-oob.xrm-ms.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.RegularExpressions.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_PrepidBypass-ppd.xrm-ms.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ppd.xrm-ms.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\et.pak.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16ConsumerPerp_Bypass30-ul-oob.xrm-ms.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\IEAWSDC.DLL.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\mip.exe.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-ul-phn.xrm-ms.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-ul-oob.xrm-ms.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-ul-oob.xrm-ms.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial2-ul-oob.xrm-ms.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-pl.xrm-ms.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemXml.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ru-ru.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Common Files\System\msadc\msdaprst.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.Primitives.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Globalization.Extensions.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.Design.resources.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Google\Chrome\Application\initial_preferences.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCallbacks.h.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\msvcp120.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\asm.md.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription5-pl.xrm-ms.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_PrepidBypass-ul-oob.xrm-ms.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-time-l1-1-0.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\ReachFramework.resources.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationNative_cor3.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-black_scale-180.png.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_Subscription-pl.xrm-ms.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\centered.dotx.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Contracts.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\jopt-simple.md.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\relaxngom.md.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-ppd.xrm-ms.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Forms.Design.resources.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgePackages.h.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\RepoMan.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Tools.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationProvider.resources.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-pl.xrm-ms.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\da-DK\tipresx.dll.mui.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\ShapeCollector.exe.mui.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-file-l1-2-0.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Security.Cryptography.Xml.dll.tmp	14bf0c27fe16e69ca71482d25a249cb0N.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	14bf0c27fe16e69ca71482d25a249cb0N.exe

C:\Users\Admin\AppData\Local\Temp\14bf0c27fe16e69ca71482d25a249cb0N.exe
"C:\Users\Admin\AppData\Local\Temp\14bf0c27fe16e69ca71482d25a249cb0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3224

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-1-5-21-3419463127-3903270268-2580331543-1000\desktop.ini.tmp

Filesize
71KB

MD5
84c077dd87057cbe4ed424f87cae45c5

SHA1
11a9813a7207aa945ee7360006763d6c7c2bc38e

SHA256
b4cb3df68a51aa90f05517ff36331a5d7990765b3be0bd534a569e3f1f3a50c2

SHA512
78c9468f0619529b471065d69dcf2c03000895e443f529c13f63bedcb2aba044a653bbcba7989c0cad598f48deecb46c2f2f174ef6cafcf99a7a6adebb7ef28c

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

Filesize
169KB

MD5
51c640640a3fdc1518d9fd37169f3688

SHA1
67bcabe52fca0f62b1621e266b2d799f254a1545

SHA256
b1edd21de2b6b47c7ec946b27b2c8e8cadcbc66170ed0ed937bf02aa142efc32

SHA512
3b76ee9dd6243626f811e9ab01197d3974306220294d174f77f051af35fe401a850a2fc2f1065b5c16a3976701b7ad5a3e013d9991eb7c53af6737ebeb093499

Download Submit
memory/3224-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3224-1790-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download