9086c68ec7307bbedda7e3ec182d9474ebecdffae350eafc2e9e52cdf87934da

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2024, 09:00

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General

Target

c25d270fc40ae6570db20a06b7b51150N.exe
Size

27KB
MD5

c25d270fc40ae6570db20a06b7b51150
SHA1

a2a13b260bb27b8c42d13867674c97c6f29fa9cc
SHA256

9086c68ec7307bbedda7e3ec182d9474ebecdffae350eafc2e9e52cdf87934da
SHA512

aa4cd51258608e9634481e67b9f2701ee712dee1b934bc2497a4dc60521dea7e12f5e71aee9a02f03575bd0883dac3f230d8b95b81d9929ee5df1d59adb1c39b
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJ1Evd5BvhzaM9mSIEvd5BvhzaM9mSsxmMxm9+9ZJG:kBT37CPKKdJJ1EXBwzEXBwdcMcI9ZJG

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4686) 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/4416-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000233ad-2.dat	upx
behavioral2/files/0x00040000000228f4-6.dat	upx
behavioral2/memory/4416-1022-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.bg-bg.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.TraceSource.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XPath.XDocument.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\hostpolicy.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-ppd.xrm-ms.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-profile-l1-1-0.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Common Files\System\ado\msado26.tlb.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-convert-l1-1-0.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Algorithms.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\giflib.md.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Grace-ppd.xrm-ms.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Grace-ppd.xrm-ms.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSS7DATA0009.DLL.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.scale-140.png.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.en-us.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipshrv.xml.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscorrc.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.Queryable.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00A1-0409-1000-0000000FF1CE.xml.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial5-pl.xrm-ms.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AppvIsvSubsystems64.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Linq.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\WindowsBase.resources.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\PresentationFramework.resources.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Internet Explorer\uk-UA\iexplore.exe.mui.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\mshwLatin.dll.mui.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tr-TR\tipresx.dll.mui.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-pl.xrm-ms.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_KMS_Client-ppd.xrm-ms.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\uk.pak.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Java\jre-1.8\bin\management.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\LimitDismount.svgz.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E2-0000-1000-0000000FF1CE.xml.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-ul-phn.xrm-ms.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_altgr.xml.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\tipresx.dll.mui.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Http.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationProvider.resources.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-pl.xrm-ms.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp5-pl.xrm-ms.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.PowerBI.Diagnostics.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-white_scale-180.png.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial1-pl.xrm-ms.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-ppd.xrm-ms.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Trial-pl.xrm-ms.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\7-Zip\Lang\fr.txt.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Overlapped.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Immutable.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_MAK-pl.xrm-ms.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-ul-oob.xrm-ms.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.Recommendation.Common.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationClient.resources.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\README.txt.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-ppd.xrm-ms.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntry2019R_PrepidBypass-ul-oob.xrm-ms.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\7-Zip\History.txt.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipssrl.xml.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.Serialization.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Pipes.AccessControl.dll.tmp	c25d270fc40ae6570db20a06b7b51150N.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	c25d270fc40ae6570db20a06b7b51150N.exe

C:\Users\Admin\AppData\Local\Temp\c25d270fc40ae6570db20a06b7b51150N.exe
"C:\Users\Admin\AppData\Local\Temp\c25d270fc40ae6570db20a06b7b51150N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4416

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-1-5-21-2392887640-1187051047-2909758433-1000\desktop.ini.tmp

Filesize
27KB

MD5
2272dc4deb9e8a00dc661c79d9ee41e3

SHA1
aec8e5a8a47259e80d2b0cc69312463fbec69d84

SHA256
809255ffb5a7d1ddbecd9e97149d746171484f0a873d013c2f3d7ed04667bc11

SHA512
9dfad63f49e2524bb568cb8f9c41e2d7e1ee6a656712023868233b108679ac1dc5e2cf79cd82123794d1d6377cf245969e9c8a9ee4158968acd555ed730cc30f

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

Filesize
126KB

MD5
180c46f27b165d38741c34a2a04d5cef

SHA1
fdcaf01ddac14d1fd697e0f357692f2336587f82

SHA256
e7111c73d39b9c394ab537c7597356bc2afe088bb565dda3d3d3cb36c4690f91

SHA512
e1e2864ff24ccf54a2c573d67aa4f764ea426899ce84b7989db8fe7b8aa2f450f6ff1425839d68754f7857bd90c021a29572d464a7b91ad36b1f3f1d351b5ea5

Download Submit
memory/4416-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4416-1022-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download