c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183

Analysis

max time kernel
150s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-09-2024 02:30

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General

Target

c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
Size

82KB
MD5

161b0d6d3592a800b6035b243879940b
SHA1

14d2289d7c045702cd1dd2f3a008dab5c0513a44
SHA256

c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183
SHA512

3dcfbe6e87a4bc3e46b81e6b4ca30a827220c28c15579adab5a87e30e4e5423ffc25855b1689ba8bf136ccf7cc300a8ddc94395f3b51ec9602f3c45a09c07514
SSDEEP

1536:V7Zf/FAxTWoJJZENTNyavf73tQqarnpwwr:fny1tEvfjqqU

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5120) 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/3448-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233dc-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/3448-870-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-file-l2-1-0.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationProvider.resources.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ospintl.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OMML2MML.XSL.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\TabTip.exe.mui.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\PresentationUI.resources.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Java\jdk-1.8\include\classfile_constants.h.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\ffjcext.zip.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\asm.md.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\ReportingServicesNativeClient.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Globalization.Extensions.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.DispatchProxy.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Trial-ppd.xrm-ms.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe.config.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.VisualBasic.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-ul-phn.xrm-ms.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-heap-l1-1-0.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Expressions.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\netstandard.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-ppd.xrm-ms.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Globalization.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\7-Zip\Lang\th.txt.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Xml.Linq.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.Xml.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.Primitives.resources.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\ReachFramework.resources.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\7-Zip\Lang\ne.txt.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_OEM_Perp-pl.xrm-ms.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.Common.FrontEnd.XmlSerializers.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_ghost_profile_large.png.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\lt-LT\tipresx.dll.mui.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Cng.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordaccore_amd64_amd64_7.0.1624.6629.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\PresentationUI.resources.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome.dll.sig.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ul-phn.xrm-ms.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-pl.xrm-ms.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-ul-oob.xrm-ms.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Common Files\System\msadc\msadcer.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-convert-l1-1-0.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javafx_iio.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Client\C2R32.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_OEM_Perp-ul-phn.xrm-ms.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ul-oob.xrm-ms.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\ONENOTE\16\Stationery\ACADEMIC.ONE.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\ja-JP\msinfo32.exe.mui.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Process.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationProvider.resources.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Controls.Ribbon.resources.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-root-bridge-test.xrm-ms.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_KMS_Client-ul-oob.xrm-ms.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.Recommendation.Client.Picasso.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Common Files\System\ado\msadomd28.tlb.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-heap-l1-1-0.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Forms.Primitives.resources.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-ul-oob.xrm-ms.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHLTS.DAT.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL104.XML.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN120.XML.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\mshwLatin.dll.mui.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\TabTip.exe.mui.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-debug-l1-1-0.dll.tmp	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.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	c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe

C:\Users\Admin\AppData\Local\Temp\c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe
"C:\Users\Admin\AppData\Local\Temp\c489734097771c8fc846c16b7da69cb3a568092712abd3b85c84b56fd65f4183.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3448

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-1-5-21-786284298-625481688-3210388970-1000\desktop.ini.tmp

Filesize
82KB

MD5
186dd1080a1be54644dfb4b974f6ac43

SHA1
3ee5cdfa8cce3e7cbdc6ec11f327ef39413b1b21

SHA256
4b24895396273125890dbe4a91d7f82765bede4507ae7f510d345346eff73243

SHA512
0a1fc701a604318e933a91a5f4982d9a230077fb55e31da4f1ee9cb61270b2eac1dc07f0ef7dacde109a74971c9134cb8b36d7f07ad5d58b837f3ffeb3126c29

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

Filesize
181KB

MD5
73b40ce4a938da0248a237a9cad28a3a

SHA1
f7a983d63fa92f000fc9987c10cb67cc7d8f160d

SHA256
f4ef98a71d073507fbfd541e4e29822d1c6e082ac4eb319a713e7d96ff3c6a5a

SHA512
09ceb5bcea8d756a0aeb0decac328a106caea9296a204c1f4d4b7d1340e549442a8825bddb1f2b5e23a57655954f8073d1791ffbb0fc8330a2f4f9214939fd82

Download Submit
memory/3448-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3448-870-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download