4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638

Analysis

max time kernel
120s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 21:43

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General

Target

4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
Size

110KB
MD5

96cabeb4ecfca427a63e62045bb90001
SHA1

204fe8171018fbcdf72c25aa11720afaabbd6466
SHA256

4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638
SHA512

f0c61fa7f2a862a4a47243c7d5ebdb24c8147665381228836c995e16f079bbfa5f2807e40459b8799db4bfd425de4c9a4d49b549a1e117eeb8c9245c0f52e937
SSDEEP

1536:V7Zf/FAxTWoJJZENTBmRPsdj2hkAeCgI3i0CJS1Il+lMwVBVw6aq6av:fny1tEyyj2yAeCgjJwVBVw6aq6av

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4530) 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/4588-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b37-2.dat	upx
behavioral2/files/0x000600000001e5c2-6.dat	upx
behavioral2/memory/4588-694-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ink\et-EE\tipresx.dll.mui.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_CopyNoDrop32x32.gif.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Candara.xml.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_OEM_Perp-ul-phn.xrm-ms.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe.config.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-time-l1-1-0.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipstr.xml.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-pl.xrm-ms.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ul-phn.xrm-ms.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-heap-l1-1-0.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\instrument.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_ConsumerSub_Bypass30-ppd.xrm-ms.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Trial-pl.xrm-ms.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-ul-oob.xrm-ms.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\ShapeCollector.exe.mui.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msaddsr.dll.mui.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.StackTrace.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\PresentationUI.resources.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Xaml.resources.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientVolumeLicense2019_eula.txt.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.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	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ul-oob.xrm-ms.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.scale-140.png.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipscat.xml.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsnor.xml.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.SecureString.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ppd.xrm-ms.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.OleDbInterop.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome.dll.sig.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_ja.properties.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\LyncVDI_Eula.txt.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.Recommendation.Client.Picasso.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.scale-140.png.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-pl.xrm-ms.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Forms.resources.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationTypes.resources.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.Primitives.resources.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\icudtl.dat.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\unicode.md.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-ul-phn.xrm-ms.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Common Files\System\wab32.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\lv.pak.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\nashorn.jar.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-pl.xrm-ms.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\CASHREG.WAV.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Grace-ul-oob.xrm-ms.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Common Files\System\ado\msado28.tlb.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.Design.resources.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\gstreamer-lite.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Java\jdk-1.8\release.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_MAK_AE-pl.xrm-ms.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntime2019R_PrepidBypass-ppd.xrm-ms.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Grace-ul-oob.xrm-ms.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\wpfgfx_cor3.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jfr\profile.jfc.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\Informix.xsl.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.MemoryMappedFiles.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\PresentationCore.resources.dll.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
File created	C:\Program Files\Java\jdk-1.8\bin\idlj.exe.tmp	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.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	4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe

C:\Users\Admin\AppData\Local\Temp\4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe
"C:\Users\Admin\AppData\Local\Temp\4b25b0e18d357e2b668ee41ddfdc524f4435ad2acf839474a49f8d5c14905638.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4588

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-1-5-21-4050598569-1597076380-177084960-1000\desktop.ini.tmp

Filesize
111KB

MD5
65d6eda6257fc5e13925a54ec0febd5e

SHA1
19e6afbd3bc4ca9920bbdc789d4e382058416d2b

SHA256
cf8beedc710b9aa055187f11b38ae776cf651166c6bcda499be4bee2969251dc

SHA512
27fad24a828023532ff109549255230531d4a000115ee50db0fe69b7602a5a8ddd2ac4f22bb4831a470b4f42795846231bfafd53a11cbff651732e83c26643b0

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

Filesize
210KB

MD5
cd44a9b0c37a299bda8bf7d21323eb2b

SHA1
34d9e324c4b703b2899b328c7ff1ec3c48ee6e63

SHA256
755e46037a71ffd0a2b23deffac8fae1f107eebff226b3bef891e813e38265c6

SHA512
5bbcf6ccf6ca88f6fbbda45342f462e4c67f6d9e1ff499605058a4543e4571c5d0b0d15d74e1d474ee96ab1d77f94a4b48c06c5c4cb78716f52eb6fed1ca26dd

Download Submit
memory/4588-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4588-694-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download