a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
11-07-2024 03:27

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General

Target

a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
Size

118KB
MD5

e4fe7cdb6ea7842ffa62d146823e616c
SHA1

64173978f1d04c605a38963fb5b4867655c1764a
SHA256

a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592
SHA512

243132b90efd0809e29f6768844c4da825dea9321c3d204b9fcc82a574b0ed444592ef51c3bcfe2ef11ff60a83cdaca5a598ad60751582abc90544a6c6a784e0
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxvTWn1++PJHJXA/OsIZfzc3/Q8zxq:fnyiQSoaQSo7

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (4638) 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/4732-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023459-2.dat	upx
behavioral2/files/0x000600000001e6e4-6.dat	upx
behavioral2/memory/4732-1650-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-pl.xrm-ms.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTest-ppd.xrm-ms.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Formats.Tar.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.Primitives.resources.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-debug-l1-1-0.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Document Parts\1033\16\Built-In Building Blocks.dotx.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jstack.exe.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\management.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\jpeg.md.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ppd.xrm-ms.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-ul-oob.xrm-ms.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSYUBIN7.DLL.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.IsolatedStorage.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\giflib.md.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\zh-TW\tipresx.dll.mui.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_es.properties.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Wisp.thmx.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-ul-phn.xrm-ms.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\7-Zip\Lang\hi.txt.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\ShapeCollector.exe.mui.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-pl.xrm-ms.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\ANALYS32.XLL.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mscss7wre_es.dub.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ko-KR\tipresx.dll.mui.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\PresentationCore.resources.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\cldr.md.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hu-HU\tipresx.dll.mui.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Common Files\System\ado\msadomd.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Retail-ul-phn.xrm-ms.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-heap-l1-1-0.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.resources.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Java\jdk-1.8\README.html.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ppd.xrm-ms.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\7-Zip\Lang\br.txt.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\keypadbase.xml.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationClientSideProviders.resources.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Retail-ppd.xrm-ms.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.NetworkInformation.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\jpeg_fx.md.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.IO.Packaging.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\dnsns.jar.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\VisualElements\LogoCanary.png.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ssv.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription4-pl.xrm-ms.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ul-phn.xrm-ms.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_KMS_Client-ul-oob.xrm-ms.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\+Connect to New Data Source.odc.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\ja-JP\msinfo32.exe.mui.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Xaml.resources.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHLEX.DAT.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Accessibility.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-ul-oob.xrm-ms.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCONTROL.DLL.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Sockets.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.Formatters.dll.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-pl.xrm-ms.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_OEM_Perp-pl.xrm-ms.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WacLangPackEula.txt.tmp	a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe

C:\Users\Admin\AppData\Local\Temp\a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe
"C:\Users\Admin\AppData\Local\Temp\a7961c5b54d58bf0e1d9eb88f04067c6e3bec4ab63fbf807888bf545a6912592.exe"
1⤵
- Drops file in Program Files directory
PID:4732

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-464762018-485119342-1613148473-1000\desktop.ini.tmp

Filesize
119KB

MD5
64ba09aa55522bbc409c0afd840dd6d9

SHA1
0f809af36ae47884a4ad0249a44605d2e446f02a

SHA256
dfce21e0f40b1dc1d4e38ef610dcce302f0be8a02278ed9ebd6eeeec06a417e8

SHA512
ea23a63aa6e27537afbbad0920de17cfb85d9b8c01e628d255c9ecbeebc25e00ae44fee596942f6a14d7c39151a06f01c14f9dfe12e69aa858ccca445eb092a4

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

Filesize
217KB

MD5
612d060b77ff0b7d68477dd564f5bdf0

SHA1
a64a9433b8d081deb6221209beb510249a738969

SHA256
af3b140e71096119ea0c2ce053a0dcfb052d0f5cfc769204f19a8563dbf1cf1c

SHA512
229ada1b545135aa364969a0f2e4dbe9743cbdc28b57aa9d6d3f7015a62e098cd9ae951b457da83841483fa9ad03eee0d869302221e32efe671299eb8a4dfc9a

Download Submit
memory/4732-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4732-1650-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads