b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/11/2024, 16:01

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General

Target

b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
Size

157KB
MD5

ce4f2da869e454586dd14313e94ff94d
SHA1

497c88e233c8a4f64e388ebf9005c12885773e4d
SHA256

b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4
SHA512

f06a79124a0e68e9774a1416482e50b90694dc442c2f71733dd73c471b80a448f6729806fde30b66b8c0f840a4c1d27314200706d4b95397a0bfa6b76fd5cdf1
SSDEEP

1536:V7Zf/FAxTWoJJZENTBHfiP3zgn94pWHlPEXZzjUq3th5f6utM5vLNinVmWvMu0bV:fny1tExnQWHIjN3tj6qnv0b2UrXkbvLW

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (2533) 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/4464-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b28-2.dat	upx
behavioral2/files/0x000c000000023b83-6.dat	upx
behavioral2/memory/4464-526-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\bin\jjs.exe.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\unlimited\local_policy.jar.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Emit.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\hi.pak.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationTypes.resources.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jdk-1.8\lib\jawt.lib.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.NameResolution.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.UnmanagedMemoryStream.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Sockets.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\PresentationFramework.resources.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Common Files\System\msadc\adcvbs.inc.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.DataAnnotations.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\WindowsBase.resources.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\asm.md.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\7-Zip\Lang\sk.txt.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\mip.exe.mui.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsplk.xml.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\pt-PT\tipresx.dll.mui.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunec.jar.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\pkcs11cryptotoken.md.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\freebxml.md.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\PresentationFramework.resources.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\xerces.md.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jre-1.8\lib\accessibility.properties.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Console.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.ThreadPool.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Controls.Ribbon.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\giflib.md.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationClientSideProviders.resources.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Luna.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jre-1.8\bin\policytool.exe.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\7-Zip\Lang\pt.txt.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ro-RO\tipresx.dll.mui.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationClient.resources.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_zh_TW.properties.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\7-Zip\7z.sfx.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipstr.xml.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Primitives.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jre-1.8\bin\splashscreen.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\jawt_md.h.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.CodePages.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Design.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\WindowsBase.resources.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationCore.resources.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvSubsystemController.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.tr-tr.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.EventBasedAsync.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-time-l1-1-0.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\WidevineCdm\LICENSE.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fontconfig.properties.src.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdaosp.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.DiagnosticSource.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemDrawing.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\ReachFramework.resources.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\WindowsFormsIntegration.resources.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\libGLESv2.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sawindbg.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\Java\jdk-1.8\lib\ant-javafx.jar.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Pipes.dll.tmp	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.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	b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe

C:\Users\Admin\AppData\Local\Temp\b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe
"C:\Users\Admin\AppData\Local\Temp\b25c746c98360331373da9fb9fc830be1a037ba2f6cdccb7b1296ee20e38a6a4.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4464

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-1-5-21-3227495264-2217614367-4027411560-1000\desktop.ini.tmp

Filesize
157KB

MD5
b8a316f1faeafd60efce5f58fbe2c4a9

SHA1
39075781f41ae97cf0fa09848a4250955efe5fa1

SHA256
f10b61c11ab8d30ea1a27cc833489b6e2a3bee7b4003d14afc74fd4ffc36f96d

SHA512
df213cc5da2a56a47672d735358e52761feeda343b64f3c2fb1317e09db9059e4d86135c9d6b95a3dae5826ea88ee9cf7b211d2f5972ac46cf82d8e53de2e4b1

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

Filesize
256KB

MD5
9a03697277de5df7fd8a457e94f6bd0c

SHA1
5b188afe7cd845487dba2943abaa8d328eee2708

SHA256
0d179110494cc32874ab7572e14dcfa3713483e20bf0cee2db64120347c030a8

SHA512
d98db222f446408bd10e4fd997f3d02ea7436815c600a9668d0d85bc15279d25094018d20e9da074275712edf4ade41ad5a23106693c28899b7bf303a35ec739

Download Submit
memory/4464-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4464-526-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download