2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4

Analysis

max time kernel
120s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 14:19

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General

Target

2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
Size

41KB
MD5

1ec3717d6c4a986c31781a02554ffd70
SHA1

a65a6a1fa4520dbe9bf6bb5c4d27595804ee5fe9
SHA256

2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4
SHA512

d730431ed4446551c053445ea5abac27c857a56d4839eb3ac6acb06ede00be505523a143756a1e44430a2f1ac5eebcd17533458d7a0eb8e70416965a4b717644
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9DfzTV1Z13:CTW7JJ7TFfzTV1Z13

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4665) 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/1204-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000b000000023cb6-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/1204-789-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00A1-0000-1000-0000000FF1CE.xml.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\sunec.jar.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_ViewOnly_ZeroGrace-ul-oob.xrm-ms.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-black_scale-180.png.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-black_scale-100.png.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Input.Manipulations.resources.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javah.exe.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteFreeR_Bypass-ul-oob.xrm-ms.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelCtxUIFormulaBarModel.bin.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_altgr.xml.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l1-2-0.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription4-pl.xrm-ms.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tiptsf.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Trial-ul-oob.xrm-ms.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Resources.Writer.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_100_percent.pak.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeServiceBypassR_PrepidBypass-ppd.xrm-ms.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_COL.HXC.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHPHN.DAT.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationClientSideProviders.resources.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange Red.xml.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-pl.xrm-ms.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-white_scale-100.png.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\lpklegal.txt.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\WindowsFormsIntegration.resources.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\msvcp140.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntryR_PrepidBypass-ul-oob.xrm-ms.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_MAK-ul-oob.xrm-ms.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Configuration.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.DocumentServices.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\af.pak.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\dxcompiler.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-ppd.xrm-ms.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.Concurrent.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.Design.resources.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\klist.exe.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-ppd.xrm-ms.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Grace-ppd.xrm-ms.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-140.png.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.DiagnosticSource.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\npt.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\RepoMan.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Xaml.resources.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ja.pak.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\msvcp140.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\management-agent.jar.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-ppd.xrm-ms.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-pl.xrm-ms.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hr-hr.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-black_scale-100.png.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_F_COL.HXK.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Input.Manipulations.resources.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jhat.exe.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\jcup.md.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\xmlresolver.md.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.DCF.DCF.x-none.msi.16.x-none.xml.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Retail-pl.xrm-ms.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XmlSerializer.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\WindowsFormsIntegration.resources.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-ppd.xrm-ms.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-ul-oob.xrm-ms.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\colorimaging.md.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Forms.resources.dll.tmp	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.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	2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe

C:\Users\Admin\AppData\Local\Temp\2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe
"C:\Users\Admin\AppData\Local\Temp\2b79aca6d19d1c3209344295d5a2b11b6f2b86ab2dc362d76865b677848174f4N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1204

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-1-5-21-2437139445-1151884604-3026847218-1000\desktop.ini.tmp

Filesize
42KB

MD5
c8b050144885dd3d5d8d88c020c3f509

SHA1
30d8dd84e9814b3f39bc26ac6e53865a83987f44

SHA256
ea106ac5abdce2c0560e1fb9d7b21c1462bd3f988432d13f4b4d366ded056e0f

SHA512
88887e71a22c5fe1162aaa98d92b01eb49d6786228b5e73145a30c2ecb5520670c877303b8b9c6d26ac372a8c0cd516b6937e7850af1f6df50098f67209a266d

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

Filesize
140KB

MD5
cc484998be6c4e036c8d9b0db6b615ad

SHA1
a4fee6c473c6a857351a998743829da4f4f3fb8a

SHA256
86cf00fdd53fbdc355ea22d814d4d2ab80cf55910efc79b26f3561a3c8e7a437

SHA512
515a89d26a484d8ee418380bfae4a9ee952c7dd6e0847d10c9d17e106c3f1dac6050b59346c732648f020095ae78e1f2289906b5346e3992cd04fafc34686841

Download Submit
memory/1204-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1204-789-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download