b0d43d422beb213b2c7c7323b038a29073e3f1be932f69f23dc634e3271f0d08

Analysis

max time kernel
120s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
21-07-2024 09:29

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General

Target

a3fc6e2090d23e5c6aad126f51096d20N.exe
Size

69KB
MD5

a3fc6e2090d23e5c6aad126f51096d20
SHA1

0ba6817af405c320d0688bb0baf56df96cf6543a
SHA256

b0d43d422beb213b2c7c7323b038a29073e3f1be932f69f23dc634e3271f0d08
SHA512

3461b567679c7dbd0e7bfccb0754afda691516008a3a6ad55d68b4951d96dda5d1909c46a06002cd159d88c4d581e6c17d91a005a2b6ae04a3a0146f23ab496c
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwABT37CPKKdJJxdPO9Otu4Ub6:V7Zf/FAxTWoJJ0TW7JJQOns6

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/2988-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023467-2.dat	upx
behavioral2/files/0x001400000002291a-6.dat	upx
behavioral2/memory/2988-1958-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\tipresx.dll.mui.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.Json.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\PresentationUI.resources.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\splash.gif.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Yellow Orange.xml.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-ppd.xrm-ms.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-ul-oob.xrm-ms.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\7-Zip\Lang\fy.txt.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\PresentationFramework.resources.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Controls.Ribbon.resources.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jvmticmlr.h.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_OEM_Perp-ul-phn.xrm-ms.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial-ppd.xrm-ms.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial1-pl.xrm-ms.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tipresx.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\joni.md.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\icu.md.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-ul-oob.xrm-ms.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-pl.xrm-ms.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Input.Manipulations.resources.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\unlimited\US_export_policy.jar.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSS7DATA000A.DLL.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jre-1.8\lib\calendars.properties.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jfxswt.jar.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-ul-phn.xrm-ms.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\7-Zip\Lang\mk.txt.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\ClientEventLogMessages.man.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msadcor.dll.mui.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.HttpListener.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Forms.Primitives.resources.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jaas_nt.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Grayscale.xml.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Common Files\System\ado\msado21.tlb.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\UIAutomationTypes.resources.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jdk-1.8\LICENSE.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jre-1.8\bin\t2k.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-ul-oob.xrm-ms.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_MAK_AE-ul-oob.xrm-ms.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCONTROL.DLL.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Common Files\System\ado\msadomd.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordbi.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\rmid.exe.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\j2pkcs11.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Inset.eftx.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL.HXS.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\7-Zip\Lang\sa.txt.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Queryable.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationClient.resources.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\WindowsBase.resources.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\Microsoft.VisualBasic.Forms.resources.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\VisualElements\LogoCanary.png.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\cursors.properties.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jre-1.8\lib\meta-index.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ppd.xrm-ms.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\dotnet\host\fxr\7.0.16\hostfxr.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordaccore.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\servertool.exe.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\libpng.md.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\blacklist.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientOSub2019_eula.txt.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Packaging.dll.tmp	a3fc6e2090d23e5c6aad126f51096d20N.exe

C:\Users\Admin\AppData\Local\Temp\a3fc6e2090d23e5c6aad126f51096d20N.exe
"C:\Users\Admin\AppData\Local\Temp\a3fc6e2090d23e5c6aad126f51096d20N.exe"
1⤵
- Drops file in Program Files directory
PID:2988

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-2990742725-2267136959-192470804-1000\desktop.ini.tmp

Filesize
69KB

MD5
02f76907fd4cbc56c683cc0c39acf171

SHA1
8bfa3ee726e39c638f830b3036e785dcb34e3b23

SHA256
e2c74d2b9a4525a328b0746da37ec55e33ef407a7ec783af1d621f31e91796a3

SHA512
eb88cf9082943ef8972bd535768890018a354fda132d85c1de26d7872a718ef8f1f162270b6a882f909082b1e0e71b1ef9ddc1bdfde3773859228a39d6d7d336

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

Filesize
168KB

MD5
6ccff478afafc5b63e0547d1450bc08a

SHA1
18ba767f61d53be56a5613b640ea403c0615a958

SHA256
09f00d7a9400d8667ab2f755b99f8dce5f9a256f8dd23a3743076a16d979a729

SHA512
2c1ea860c31252d9c5646f1cd99c055a779b40c0fd50656d774f5ce352d54f9ad33311c56b1b76e1741dfa44746ea2a6f6da0f3d0f6a241d9f6e3f0962487b6d

Download Submit
memory/2988-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2988-1958-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads