3f5583f75d4367c25a1bdf9ddd1cd1928150b9573ccdaad290c160667b01ad7a

Analysis

max time kernel
120s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
18/08/2024, 07:51

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General

Target

4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
Size

50KB
MD5

4b020b5c2ba64eb8ecd0f8b13dc3cb00
SHA1

6d9cf9ac70b92c5834a2faeab6ae458e854a051d
SHA256

3f5583f75d4367c25a1bdf9ddd1cd1928150b9573ccdaad290c160667b01ad7a
SHA512

9a9f4f447e3d693e34f0c251057c8be36cc725278dee8135664cab236f187b3276773862a5dac317437586eaee9d891b3399fe8e9ba41a953d1599ef1ca39cf8
SSDEEP

768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcu90TKe+0TKeinMdZ:CTWUnMdyGdy4AnAP4Ww2wg

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3338) 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/2232-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x000a00000001202f-2.dat	upx
behavioral1/files/0x0002000000010663-6.dat	upx
behavioral1/memory/2232-75-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\ink\mip.exe.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\VSTO\vstoee100.tlb.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-keyring-fallback_ja.jar.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-print.xml.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\liba52_plugin.dll.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\NavigationUp_SelectionSubpicture.png.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\PassportMask_PAL.wmv.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\verify.dll.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Fortaleza.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Honolulu.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\update_tracking\org-netbeans-lib-profiler-charts.xml.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\RequestConvertTo.001.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Africa\Algiers.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Australia\Adelaide.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Europe\Dublin.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Indian\Cocos.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\DVD Maker\ja-JP\DVDMaker.exe.mui.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\jfr\default.jfc.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.docs_5.5.0.165303.jar.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Aqtau.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Pacific\Chatham.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Genko_1.emf.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.net.nl_zh_4.4.0.v20140623020002.jar.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jre7\bin\JdbcOdbc.dll.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Internet Explorer\DiagnosticsTap.dll.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Argentina\Buenos_Aires.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jre7\lib\zi\SystemV\CST6.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\ca@valencia\LC_MESSAGES\vlc.mo.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\cs.pak.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\fonts\LucidaSansRegular.ttf.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Australia\Melbourne.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\demux\libavi_plugin.dll.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\spu\libmosaic_plugin.dll.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\BabyBoyScenesBackground_PAL.wmv.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.diagnostic.ja_5.5.0.165303.jar.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.frameworkadmin.equinox.nl_zh_4.4.0.v20140623020002.jar.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\css\dark\e4-dark_basestyle.css.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\core\locale\core_zh_CN.jar.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\it\System.IO.Log.Resources.dll.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\es\System.Data.DataSetExtensions.Resources.dll.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ipsjpn.xml.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\mr.pak.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Internet Explorer\images\bing.ico.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\org-netbeans-api-visual.xml_hidden.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\7-Zip\Lang\ga.txt.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Budapest.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.frameworkadmin.nl_ja_4.4.0.v20140623020002.jar.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Adak.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Mozilla Firefox\browser\features\[email protected]	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\GroupUnregister.vdx.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\ext\jaccess.jar.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-uisupport_ja.jar.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jre7\lib\ext\localedata.jar.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\libcvdsub_plugin.dll.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\libg711_plugin.dll.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\7-Zip\Lang\nb.txt.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\DVD Maker\audiodepthconverter.ax.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\sunmscapi.dll.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Fakaofo.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-api-annotations-common.jar.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\Microsoft Games\SpiderSolitaire\de-DE\SpiderSolitaire.exe.mui.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\images\ui-icons_ef8c08_256x240.png.tmp	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.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	4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe

C:\Users\Admin\AppData\Local\Temp\4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe
"C:\Users\Admin\AppData\Local\Temp\4b020b5c2ba64eb8ecd0f8b13dc3cb00N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2232

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-1-5-21-1385883288-3042840365-2734249351-1000\desktop.ini.tmp

Filesize
50KB

MD5
3da3f24b545326a462d8c81eff33632c

SHA1
2a7bb20c5b8c16e8e7b92dfb0f5cf376ad582cc6

SHA256
d257a940680222a6e307bf94dd8f8e986ddfee8554702f755188963b2e55a536

SHA512
71f184c130636f1ccff9c77b8d85616bff37121417ae8eb41ade38c07e76e0368b5a1a7a847ec34b37b2896e8952d6fbd456b5e1584fd930ffc34cb75cd03bd1

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

Filesize
59KB

MD5
0b4157e1c17b96607cc4b1bea021e9a1

SHA1
ac3ee5be3046cc0a56a4063d6d9ec7aca5799549

SHA256
1340d5026851935103bd963fee4ec22471f87adbaf7f90ee9419a7d35575c3e7

SHA512
1a1b9b4e12c38c26d24e475b881f2f3580ede61929c2e3c13717cf9003033af5e2b31b7a6ed19274c2a85e0a18b0fc0dc1bf8ca49f63353d7df4d2e3b4d59615

Download Submit
memory/2232-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2232-75-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download