b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06/08/2024, 01:30

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General

Target

b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
Size

46KB
MD5

5ada8dd2e50f7144dbf92672ffe3e4bb
SHA1

c75c26f0e956e2c3e4b8586031dfbd849abb404a
SHA256

b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e
SHA512

4202587e1cb01dec6138504dcb1d01514d89899e35eff107fff6413fb2069887636dde40d31608e407be010b6c1c6f6060dfad366d1fa45a5d35ef1a3c018189
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATBxCWi0DZqWOCWi:V7Zf/FAxTWoJJZENTBh

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3745) 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
behavioral1/memory/2756-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000b00000001225f-2.dat	upx
behavioral1/files/0x0002000000010620-6.dat	upx
behavioral1/memory/2756-660-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\VideoLAN\VLC\lua\http\images\speaker-32.png.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Windows Journal\fr-FR\MSPVWCTL.DLL.mui.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\ja-JP\gadget.xml.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files (x86)\Common Files\microsoft shared\Help\msitss55.dll.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-core-windows.xml.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jre7\lib\deploy\splash.gif.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\VideoLAN\VLC\locale\is\LC_MESSAGES\vlc.mo.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\audio_filter\libequalizer_plugin.dll.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Accessibility.api.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\7-Zip\Lang\be.txt.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.databinding.observable.nl_ja_4.4.0.v20140623020002.jar.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\passport.png.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Mozilla Firefox\api-ms-win-core-synch-l1-2-0.dll.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\VideoLAN\VLC\locale\sl\LC_MESSAGES\vlc.mo.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\41.png.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Yakutat.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\configuration\org.eclipse.equinox.simpleconfigurator\bundles.info.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\video_filter\libpsychedelic_plugin.dll.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Windows Mail\es-ES\WinMail.exe.mui.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files (x86)\Common Files\microsoft shared\ink\es-ES\rtscom.dll.mui.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwresmlm.dat.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Internet Explorer\iexplore.exe.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.jface.databinding_1.6.200.v20140528-1422.jar.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Urumqi.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jre7\README.txt.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Microsoft Games\Hearts\it-IT\Hearts.exe.mui.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Mozilla Firefox\api-ms-win-core-timezone-l1-1-0.dll.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\es-ES\css\settings.css.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\title_trans_notes.wmv.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files (x86)\Common Files\microsoft shared\DW\DW20.EXE.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\ja-JP\settings.html.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench.addons.swt.nl_zh_4.4.0.v20140623020002.jar.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.publisher_1.3.0.v20140911-0143.jar.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui_3.106.0.v20140812-1751.jar.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\org-netbeans-modules-profiler-oql.jar.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jre7\bin\tnameserv.exe.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jre7\lib\resources.jar.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Windows Media Player\wmpnssci.dll.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\kn.pak.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\en-US\js\weather.js.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\d3dcompiler_47.dll.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Manaus.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Almaty.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\audio_output\libamem_plugin.dll.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\FlickLearningWizard.exe.mui.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Indiana\Marengo.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\North_Dakota\New_Salem.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\VideoLAN\VLC\locale\bn_IN\LC_MESSAGES\vlc.mo.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\es-ES\js\slideShow.js.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\IpsMigrationPlugin.dll.mui.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\cmm\CIEXYZ.pf.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.garbagecollector.nl_zh_4.4.0.v20140623020002.jar.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jre7\lib\zi\Pacific\Funafuti.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\VideoLAN\VLC\locale\eu\LC_MESSAGES\vlc.mo.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\video_filter\libsepia_plugin.dll.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Linguistics\Providers\Proximity\11.00\eng.hyp.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\DVD Maker\en-US\WMM2CLIP.dll.mui.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.launcher.win32.win32.x86_64_1.1.200.v20141007-2033\about.html.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\es\System.Management.Instrumentation.Resources.dll.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.Web.Extensions.Design.dll.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Windows Journal\es-ES\JNTFiltr.dll.mui.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\ja-JP\js\weather.js.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\THIRDPARTYLICENSEREADME.txt.tmp	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.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	b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe

C:\Users\Admin\AppData\Local\Temp\b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe
"C:\Users\Admin\AppData\Local\Temp\b1f0ea102421af6c890af16ea9af52e2d211eca4166b9032e043f439e17ab49e.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2756

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-1-5-21-3551809350-4263495960-1443967649-1000\desktop.ini.tmp

Filesize
46KB

MD5
72790efb890583e11926eca389fd85e8

SHA1
221cbe5e98e686842c6375c3ade8834abe5d0e42

SHA256
c427237f4649fb07112f6a0c18d05bc8e40d62e74a4250e7b089118d4df8156c

SHA512
93ffdbedf1e0f1a7e4242bf245fe104e69a1b33bb190a8e7cc103791490c3b68e7db6b00950586ca167f622014ba356d6703974c814443b44e5646805fdaa3fc

Download Submit
C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp

Filesize
55KB

MD5
5c59b989c91a10df361e0b3dad8affa1

SHA1
fe3d4deab8d9540b391f9becfe16573b750c5533

SHA256
e79d721b1f77bbe936a466484416d328be210acc5acc809c1ca41ab881389736

SHA512
43202739dcb7584cc25e83b0e4596745f23c9346af559e895404e2bf6ded3193483245f5782124f4fb282ab49dbbf189c8165617bea9f4ea2fc2ed83ee1bdaa6

Download Submit
memory/2756-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2756-660-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download