3363480c50b962a0ff0c5647df8375d5d19279f41e595fe04f98041efb5c23dd

Analysis

max time kernel
120s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-08-2024 08:50

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General

Target

5e2bc0becc55cf12260cafd34b77f480N.exe
Size

77KB
MD5

5e2bc0becc55cf12260cafd34b77f480
SHA1

bfca7ffd0b63d85e70bd033a131f40e5afde9096
SHA256

3363480c50b962a0ff0c5647df8375d5d19279f41e595fe04f98041efb5c23dd
SHA512

4c32e44040c74cc730feb4bb1d21087ec397011ba10c6c26dcb736100c567f92662d65ac075b39ed4583cdb1c40a0f4f929e2e56a7e78c87ea806082a849d417
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8l:fnyiQSo8

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4627) 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/4468-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00080000000234d1-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/4468-1950-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-pl.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-ppd.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-ul-oob.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\EntityPicker.dll.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-convert-l1-1-0.dll.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jce.jar.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\WIND.WAV.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\invalid32x32.gif.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\CT_ROOTS.XML.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\vi.pak.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\sqloledb.rll.mui.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.MemoryMappedFiles.dll.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\PROCDB.XLAM.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\hi\msipc.dll.mui.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Candara.xml.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.officemui.msi.16.en-us.xml.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationFramework.resources.dll.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ur.pak.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ul-oob.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp4-ul-oob.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\ConvertFromMove.wm.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encoding.CodePages.dll.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\cldr.md.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-ppd.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-pl.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\he-IL\tipresx.dll.mui.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\libpng.md.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-ul-phn.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\oledb32r.dll.mui.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\WindowsBase.resources.dll.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription5-ppd.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-pl.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_Subscription-pl.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-white_scale-140.png.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\APPLAUSE.WAV.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Emit.Lightweight.dll.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\LimitWait.DVR-MS.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_TW.properties.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\APASixthEditionOfficeOnline.xsl.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationClient.resources.dll.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\WindowsBase.resources.dll.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Internet Explorer\en-US\hmmapi.dll.mui.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\it.pak.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\bwcapitalized.dotx.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\GostName.XSL.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVPolicy.dll.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Xaml.resources.dll.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jdwpTransport.h.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_ja.properties.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ExcelNaiveBayesCommandRanker.txt.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\ZeroByteFile.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.scale-140.png.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msdaprsr.dll.mui.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_Subscription-ppd.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\TAG.XSL.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-sysinfo-l1-1-0.dll.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_KMS_Client_AE-ul.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Trial-ppd.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-ul-phn.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-pl.xrm-ms.tmp	5e2bc0becc55cf12260cafd34b77f480N.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	5e2bc0becc55cf12260cafd34b77f480N.exe

C:\Users\Admin\AppData\Local\Temp\5e2bc0becc55cf12260cafd34b77f480N.exe
"C:\Users\Admin\AppData\Local\Temp\5e2bc0becc55cf12260cafd34b77f480N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4468

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-1-5-21-4182098368-2521458979-3782681353-1000\desktop.ini.tmp

Filesize
77KB

MD5
4c3892b6277f3f260e2fa40417ddfd30

SHA1
3834bf39cabfe42a0371bc85748a11219e14f55a

SHA256
6eff9aeb55cc66f2e9bd686e9a73e7eaecc0ec8a02a18d2ee683d1d466422725

SHA512
0881e8bef28ec3a319386d417fd8986ca00ac8f08c5d44be2070afc42f1f3ee0a7f3ffe9554d1cb4af89abb7d90795710e57f43e0b40463b5bb58f23596a05ce

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

Filesize
176KB

MD5
c681210d9be92e47a97c4b918c436888

SHA1
25e41b80c77f56ed1b6135d8690096b557f5d729

SHA256
d7929ba4a56593b108acb4f8c43635568bba56c55e7a7459b3d6ff7a26eac595

SHA512
0c7fbcf8ac39326c9d9fc763931fd126865b85953817fc38aecc4682dcee7ae3b8291d33c7e6c6474bf98d022a2c17f10629508e93d922b499a54d5ec0d03bab

Download Submit
memory/4468-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4468-1950-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download