cbf9f89f26c6ddb1669d1909e771588b1683b8169fccbc5b6e77c538bb8ae5d1

Analysis

max time kernel
149s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
04-05-2024 17:53

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General

Target

54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
Size

103KB
MD5

54364ec3491ca86f85d8a4063a2c8756
SHA1

079093cd6d2e42673991c5bb901d6269bd2e418c
SHA256

cbf9f89f26c6ddb1669d1909e771588b1683b8169fccbc5b6e77c538bb8ae5d1
SHA512

ed94daf0ee5b17de6e801fb1695b95769d7408a363be7cf03810639a9ffd313e5aa767da3e52962f512e78c272ab7b252bd0fcba7b4244aeeaabb6329af155e7
SSDEEP

1536:Isz1++PJHJXFAIuZAIuekc9zBfA1OjBWgOI3uicwa+shcBEN2iqxtdSCow8hfw:hfAIuZAIuYSMjoqtMHfhfw

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (4842) 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/1644-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000c000000023b66-2.dat	upx
behavioral2/files/0x0007000000022971-6.dat	upx
behavioral2/memory/1644-792-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\jre\bin\management.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\libpng.md.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\PROCDB.XLAM.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\WindowsBase.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jhat.exe.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.DirectoryServices.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightDemiItalic.ttf.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.X509Certificates.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationFramework.resources.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.AppContext.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationCore.resources.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\[email protected]	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Trial-ul-oob.xrm-ms.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-ul-phn.xrm-ms.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrdeslm.dat.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Transactions.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\WindowsFormsIntegration.resources.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.EventLog.Messages.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.CodeDom.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Drawing.Design.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_es.properties.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-pl.xrm-ms.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ServiceModel.Web.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientPreview_eula.txt.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Input.Manipulations.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Grace-ppd.xrm-ms.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-ppd.xrm-ms.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\InkObj.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Controls.Ribbon.resources.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Trial-ppd.xrm-ms.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription3-pl.xrm-ms.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial4-ppd.xrm-ms.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_f2\FA000000002.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\unpack.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jfr\profile.jfc.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\PresentationUI.resources.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\UIAutomationProvider.resources.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Java\jre-1.8\bin\java.exe.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Client\C2R32.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ul-phn.xrm-ms.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Grace-ul-oob.xrm-ms.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipssrb.xml.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Process.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\LockOut.vb.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-ul-oob.xrm-ms.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Office16\EntityDataHandler.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msadcer.dll.mui.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Extensions.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\7-Zip\Lang\ast.txt.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\vulkan-1.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000006\FA000000006.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msotdaddin.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MYSL.ICO.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Tw Cen MT-Rockwell.xml.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.ReportingServices.Authorization.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ul-oob.xrm-ms.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msproof7.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN026.XML.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp	54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe

C:\Users\Admin\AppData\Local\Temp\54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe
"C:\Users\Admin\AppData\Local\Temp\54364ec3491ca86f85d8a4063a2c8756.jaffacakes118.exe"
1⤵
- Drops file in Program Files directory
PID:1644

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-17203666-93769886-2545153620-1000\desktop.ini.tmp

Filesize
103KB

MD5
1055871cd117575a49e02a9f7aa0a8a2

SHA1
7e24f2d34add2813f8fe7897de21f00977df96eb

SHA256
84e52905997a678301a6df924d85962aa8249b1fc99fa03bf781ae18718e7fd4

SHA512
5ece10b1146623d6dc73613499bdbc2f9869b59ce3caaabe1d3ef17e6653dc54e3e3ebc4e2326c059613068549fe1b369174f155ccfa38ba667e0db35cd501e0

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

Filesize
202KB

MD5
f09483aa61d0163578b05fe01b48e9e6

SHA1
b00b785070c6bb4e7c1d34cfe55d5f1867bc65fe

SHA256
e434fd8a962087ac195494bc0d169b1f80e3e2e29fb1a8f845844c9f59ad7581

SHA512
db9bdd9102954b02e7e13d2269c8efd4789e9914db9d2a86bed57f2a68073db9678eed4e7a7c33b915e2860cf433f79076925af5f4273c916dd966d4c197d9a1

Download Submit
memory/1644-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1644-792-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads