5e6d62e28b5f39944528ef40d708a06ec10924c24fb2714dbb67bb189f9c5651

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
29/08/2024, 13:25

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General

Target

91af6d4c720287ff4689db2d1a000310N.exe
Size

31KB
MD5

91af6d4c720287ff4689db2d1a000310
SHA1

911a1ceee67326bb88f25442444f5dbdb3a55a00
SHA256

5e6d62e28b5f39944528ef40d708a06ec10924c24fb2714dbb67bb189f9c5651
SHA512

8698192f9b6b33950939081d0729440af0ec4faebf56930a3a6ad630e57c9df263d537bfdfb3dfb0c6c5d7ab2d7c53c6dbf7731af190232229ca94989562dbaf
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJ1Evd5BvhzaM9mSIEvd5BvhzaM9mSsxmMxm9+9B0Q0/C:kBT37CPKKdJJ1EXBwzEXBwdcMcI95rv

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3372) 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/1148-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x00090000000120f9-2.dat	upx
behavioral1/files/0x0002000000010486-6.dat	upx
behavioral1/memory/1148-75-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk1.7.0_80\db\bin\derby_common.bat.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Vladivostok.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\16to9Squareframe_SelectionSubpicture.png.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Riga.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help_3.6.0.v20130326-1254.jar.tmp	91af6d4c720287ff4689db2d1a000310N.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	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\mn\LC_MESSAGES\vlc.mo.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Mozilla Firefox\fonts\TwemojiMozilla.ttf.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\misc\libfingerprinter_plugin.dll.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\plugin2\npjp2.dll.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\fonts\LucidaSansDemiBold.ttf.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Damascus.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\dcommon\gifs\bookbig.gif.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Microsoft Games\More Games\en-US\MoreGames.dll.mui.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\RedistList\FrameworkList.xml.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\SmallLogoCanary.png.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-uisupport.xml.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Brunei.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwrenclm.dat.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwrlatinlm.dat.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\1047x576black.png.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.metadata.repository.nl_zh_4.4.0.v20140623020002.jar.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access\libhttps_plugin.dll.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\libavcodec_plugin.dll.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Common Files\SpeechEngines\Microsoft\TTS20\MSTTSEngine.dll.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Shatter\NavigationLeft_SelectionSubpicture.png.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.rcp_4.4.0.v20141007-2301\feature.xml.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Common Files\System\ado\msado21.tlb.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\16_9-frame-background.png.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Swift_Current.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.feature_3.9.0.v20140827-1444\about.html.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jre7\bin\jfr.dll.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\mshwLatin.dll.mui.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\photoedge_selectionsubpicture.png.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Australia\Lord_Howe.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\fr\System.Web.Entity.Design.Resources.dll.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\libd3d11va_plugin.dll.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\orb.idl.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Europe\Vilnius.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\intf\http.luac.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Europe\London.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\System.IdentityModel.Selectors.dll.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\7-Zip\Lang\tg.txt.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\NavigationRight_SelectionSubpicture.png.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_ru.jar.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\JdbcOdbc.dll.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-autoupdate-services.xml.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-profiling_zh_CN.jar.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\Title_content-background.png.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\msvcr100.dll.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-sampler.xml.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Europe\Istanbul.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\ko\LC_MESSAGES\vlc.mo.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\control\libnetsync_plugin.dll.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\audio_output\libmmdevice_plugin.dll.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Common Files\SpeechEngines\Microsoft\TTS20\es-ES\MSTTSLoc.dll.mui.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Internet Explorer\IEShims.dll.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Dubai.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.flightrecorder.ui_5.5.0.165303.jar.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-attach.xml.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\sd\jamendo.luac.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Port_of_Spain.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\org.eclipse.equinox.p2.engine\profileRegistry\JMC.profile\.lock.tmp	91af6d4c720287ff4689db2d1a000310N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.browser.jdp.zh_CN_5.5.0.165303.jar.tmp	91af6d4c720287ff4689db2d1a000310N.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	91af6d4c720287ff4689db2d1a000310N.exe

C:\Users\Admin\AppData\Local\Temp\91af6d4c720287ff4689db2d1a000310N.exe
"C:\Users\Admin\AppData\Local\Temp\91af6d4c720287ff4689db2d1a000310N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1148

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-1-5-21-2172136094-3310281978-782691160-1000\desktop.ini.tmp

Filesize
31KB

MD5
d71616bd0e8d7d066d0f2ea4ef330a01

SHA1
da7fb7f26b544f21b019a6d3f9ef1c62d801fa09

SHA256
5f2858ee3e1b14063cb055c5d681902df5addf67330a8d03b7ceeb4fc5cb4c31

SHA512
03f4e64a62fe15606884744657ded5d9eac1d07f429f0411cc86bea94ad37600d8f5609a1afe93905e487b3cdf890d495b79bb1e27c5e974f12cbb0e003ff097

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

Filesize
40KB

MD5
85cc991028b40db2d4e7b971ba724fbf

SHA1
d63fb688e6be64ca28506df82ae26e4c7ae3c57a

SHA256
e8ed757da338e94934c8838f8138dd5202a5eb2f521408dbdfc12e5769aed20d

SHA512
4c2e479feaaeb07e16f6c0a6a67bb5cb723594c312846821f125842173556feeaef8d6d033f837b1043a26a85000391ce4351b0d0ae881a02d96807741ed5a82

Download Submit
memory/1148-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1148-75-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download