7588a6ff607472d7eba6c3b6812fa89ad5d8c0920c95c6e0efa556e94ec29659

Analysis

max time kernel
120s
max time network
117s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 12:34

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General

Target

da8b76047bf13dde9b89570126ea6fd0N.exe
Size

56KB
MD5

da8b76047bf13dde9b89570126ea6fd0
SHA1

a8d794acb38cc0e4fb0eb3b39411bc641b1b9a0f
SHA256

7588a6ff607472d7eba6c3b6812fa89ad5d8c0920c95c6e0efa556e94ec29659
SHA512

d6db0fe100eaeefb76541070d2742128319c400c43038d666ef2bfa8b1e38c6cdcbae7408c09e8ad7f6032cad74d20c59e025db96a3ab714d64339166861ed78
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNydWK9WKF9ADJI:V7Zf/FAxTWoJJZENTNyoKIKMe

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3123) 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/3032-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000700000001211a-2.dat	upx
behavioral1/files/0x00020000000104da-6.dat	upx
behavioral1/memory/3032-74-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\mng2.txt.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Common Files\System\ja-JP\wab32res.dll.mui.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\NextMenuButtonIcon.png.tmp	da8b76047bf13dde9b89570126ea6fd0N.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\launcher.win32.win32.x86_64.properties.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-uisupport.xml.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\sl-SI\tipresx.dll.mui.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.update.configurator.nl_ja_4.4.0.v20140623020002.jar.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\boot.jar.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-spi-actions_zh_CN.jar.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jre7\bin\jawt.dll.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\fr\System.Printing.resources.dll.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Common Files\SpeechEngines\Microsoft\TTS20\MSTTSEngine.dll.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\SystemV\CST6.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.rcp.feature_1.2.0.v20140523-0116\feature.xml.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.directorywatcher_1.1.0.v20131211-1531.jar.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwrfralm.dat.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\ZoneInfoMappings.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\org-netbeans-modules-spi-actions.xml_hidden.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\cy\LC_MESSAGES\vlc.mo.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\optimization_guide_internal.dll.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\WidevineCdm\LICENSE.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\plugin.properties.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Anadyr.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\he\LC_MESSAGES\vlc.mo.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\System.Workflow.ComponentModel.dll.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Tallinn.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jre7\bin\npt.dll.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jre7\bin\w2k_lsa_auth.dll.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Argentina\Catamarca.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Microsoft Games\Solitaire\fr-FR\Solitaire.exe.mui.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Mozilla Firefox\browser\crashreporter-override.ini.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\playlist\jamendo.luac.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Pine_Lumber.jpg.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\DVD Maker\OmdBase.dll.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Dhaka.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\InkObj.dll.mui.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.director.nl_zh_4.4.0.v20140623020002.jar.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-dialogs.xml.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\ja\WindowsBase.resources.dll.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access\librist_plugin.dll.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Common Files\System\ado\msader15.dll.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\sound.properties.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\icons\diagnostic-command-16.png.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\ca@valencia\LC_MESSAGES\vlc.mo.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rcp.intro.zh_CN_5.5.0.165303.jar.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\msdasqlr.dll.mui.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jre7\bin\fxplugins.dll.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Microsoft Games\Purble Place\desktop.ini.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\gd\LC_MESSAGES\vlc.mo.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\ext\localedata.jar.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Nauru.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\VideoLAN\VLC\AUTHORS.txt.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access\libaccess_concat_plugin.dll.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\pl-PL\tipresx.dll.mui.tmp	da8b76047bf13dde9b89570126ea6fd0N.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\eclipse_1665.dll.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-editor-mimelookup.xml.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\de\WindowsBase.resources.dll.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\ja\System.IO.Log.Resources.dll.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Africa\Ndjamena.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.babel.nls_eclipse_zh_4.4.0.v20140623020002\feature.properties.tmp	da8b76047bf13dde9b89570126ea6fd0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-threaddump.xml.tmp	da8b76047bf13dde9b89570126ea6fd0N.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	da8b76047bf13dde9b89570126ea6fd0N.exe

C:\Users\Admin\AppData\Local\Temp\da8b76047bf13dde9b89570126ea6fd0N.exe
"C:\Users\Admin\AppData\Local\Temp\da8b76047bf13dde9b89570126ea6fd0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3032

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-1-5-21-3434294380-2554721341-1919518612-1000\desktop.ini.tmp

Filesize
57KB

MD5
39f81ef611253755096db36dab44528f

SHA1
ffdfa9b813ef5c6d9af7ca88ab5d268fcd60873a

SHA256
cf56bf619c75d4431f54413af12e24f9b84d375567be26e29889f86851b6786e

SHA512
38dc42ce4521f691f5cce270b45a7fd7fbc1eff95d8326e5a71546ae80f9c2dac99b3965912970592f3438dc26555ba3cc2a900822e82850338374597d0ba8fc

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

Filesize
66KB

MD5
7698c0aa70a93fc9b787afb9bb9eac7a

SHA1
2947d644a9fee966f9fe53ecac508a944ceb958e

SHA256
e8dcc920167cfa45754a6490b4f7139da1ea7bba890e6bd2d9749d78d77ee865

SHA512
29bfd3e547c8afef6851ad11426305fd55ba5bfb51d9f28e513fb4a60d02a14fe6716586882814796aff7e5881e6b280c1d2c86c65408f4cd4d73be186ae4a00

Download Submit
memory/3032-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3032-74-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download