a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d

Analysis

max time kernel
150s
max time network
151s
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, 22:58

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General

Target

a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
Size

64KB
MD5

dad1b151fc88bbca383be5e48f2318d5
SHA1

a8b06ff88c935f20a2750d5e49680f3d415a5523
SHA256

a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d
SHA512

b5d0c277352fce3a1b32c5f6feb4e5832c4ba98a3f83e41db67eb1172e22b13b3a55a45cd92d103a50725cc13f88ea9bf7d9368270c5b4b947ff5867aab3e4c9
SSDEEP

768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFz6:CTWn1++PJHJXA/OsIZfzc3/Q8zxY51

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5214) 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/4388-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000234ce-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/4388-1226-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ink\ipshe.xml.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.NetworkInformation.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Windows.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationProvider.resources.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\WindowsFormsIntegration.resources.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\CT_ROOTS.XML.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RHeartbeatConfig.xml.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\TipRes.dll.mui.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ValueTuple.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Java\jre-1.8\bin\unpack200.exe.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-pl.xrm-ms.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-pl.xrm-ms.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-ul-phn.xrm-ms.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordbi.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationTypes.resources.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Java\jdk-1.8\lib\ant-javafx.jar.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_MAK_AE-ul-oob.xrm-ms.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_KMS_Client-ppd.xrm-ms.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols.xml.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationProvider.resources.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\PresentationFramework.resources.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\BOOKOS.TTF.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\mip.exe.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\ReachFramework.resources.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Java\jre-1.8\bin\glass.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-ul-oob.xrm-ms.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Common AppData\Microsoft Help\MS.SPREADSHEETCOMPARE.16.1033.hxn.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Configuration.ConfigurationManager.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\PresentationCore.resources.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\zlib.md.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.osmmui.msi.16.en-us.xml.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Trial-ul-oob.xrm-ms.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Common AppData\Microsoft\OFFICE\MySharePoints.ico.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\Microsoft.VisualBasic.Forms.resources.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Java\jre-1.8\bin\management.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_ghost_profile.png.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\eu\msipc.dll.mui.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OneNote\prnSendToOneNote.cat.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\office.core.operational.js.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javac.exe.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\glib-lite.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial2-ppd.xrm-ms.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\STSLIST.CHM.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OSFROAMINGPROXY.DLL.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\IpsPlugin.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.Xml.Linq.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Grace-ppd.xrm-ms.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ppd.xrm-ms.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\OriginLetter.Dotx.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemDrawing.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.Primitives.resources.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\jpeg.md.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-ppd.xrm-ms.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ko-kr.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\PresentationFramework.resources.dll.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\zlib.md.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe.tmp	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.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	a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe

C:\Users\Admin\AppData\Local\Temp\a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe
"C:\Users\Admin\AppData\Local\Temp\a19250d4eed762b3f5a3a823ff56d147ce0555a7949365d698da4ddb95d9f75d.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4388

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
64KB

MD5
e6aee190b1a56bf6f080aa724b00aeb1

SHA1
9f3fb3e8b0b11ef41f64734886355d43ecd6915f

SHA256
3570acb57cdde56ee7d328ee2eeafa9479e5aa943e94a8f4e3bdb006dda0e773

SHA512
c771987633751bca4db7ae2a5bbd946c0a19b82a0b90ba70b4640d395b1cfed398d000ec93612e8b5449236fe4fac42b73b65c672d326ebfd7076f72baa1e633

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

Filesize
163KB

MD5
d5a329b169fbb2a3578743cc93ec4627

SHA1
02fb47411b77f0f21c5949566fb74d5ac30cfe47

SHA256
e05240110daabf01b7dda22c7cee67c4e1a3130d837d7c5b83f0f74c75babf1d

SHA512
f7799b9c31a697c00a799dfe65d47b53124e46bd57e860931055cefa44ed920d701dea916abb77cb094fa8ac17446992bcca8752342d28edb50defcda3de4191

Download Submit
memory/4388-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4388-1226-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download