a84f489740909ac4a9d1b15fed0513c2a888154c73479c81a8b0895650d1495f

Analysis

max time kernel
120s
max time network
17s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
16/08/2024, 23:12

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General

Target

1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
Size

30KB
MD5

1aa2ef4b7bf33d9258ef7d7e6fdf4040
SHA1

70a0e7c7618af9c9094d1badbc6f6ab8d789a816
SHA256

a84f489740909ac4a9d1b15fed0513c2a888154c73479c81a8b0895650d1495f
SHA512

4fea859cdc2c86ed4f48d5e8fbe4291a424bc5268e5e21e5f6fa1551d36e66534571aebe05b7ef37aca93c7a23a723cf3627a0b57d591d265404e260de216bdd
SSDEEP

768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATNyQYz:CTW7JJZENTNyQYz

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3461) 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/2216-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x0009000000012116-2.dat	upx
behavioral1/files/0x0002000000010557-6.dat	upx
behavioral1/memory/2216-75-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT-12.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-autoupdate-cli_ja.jar.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Etc\GMT+5.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Microsoft Games\FreeCell\it-IT\FreeCell.exe.mui.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Windows Journal\Journal.exe.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Windows Media Player\Network Sharing\wmpnss_bw120.jpg.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\zh-phonetic.xml.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Dhaka.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\RepairWait.xlt.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Circle_SelectionSubpictureA.png.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Africa\Ceuta.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_specialocc_Thumbnail.bmp.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.operations_2.4.0.v20131119-0908.jar.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-host-views_zh_CN.jar.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jre7\LICENSE.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\fr\PresentationBuildTasks.resources.dll.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\ko\LC_MESSAGES\vlc.mo.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\7-Zip\Lang\be.txt.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\mip.exe.mui.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\mk\LC_MESSAGES\vlc.mo.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\js\ui.js.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\schema\triggerActionExceptionHandlers.exsd.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\images\Back-48.png.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Windows Journal\MSPVWCTL.DLL.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\el-GR\tipresx.dll.mui.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\mshwLatin.dll.mui.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.feature_1.1.0.v20140827-1444\feature.xml.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\about.html.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ecf.ssl_1.1.0.v20140827-1444.jar.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Samarkand.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\demux\libmjpeg_plugin.dll.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\NavigationUp_SelectionSubpicture.png.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-spi-quicksearch_zh_CN.jar.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\org-netbeans-lib-profiler.jar.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Windows Media Player\Network Sharing\wmpnss_bw48.bmp.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Common Files\System\ado\es-ES\msader15.dll.mui.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.ssl.feature_1.0.0.v20140827-1444\epl-v10.html.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\msdasqlr.dll.mui.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.ds_1.4.200.v20131126-2331.jar.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-jmx_zh_CN.jar.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\liba52_plugin.dll.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\packetizer\libpacketizer_mpeg4audio_plugin.dll.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\7-Zip\Lang\da.txt.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_heb.xml.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\VideoLAN\VLC\skins\fonts\FreeSans.ttf.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\video_filter\libantiflicker_plugin.dll.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\video_output\libyuv_plugin.dll.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-api_ja.jar.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Windows Media Player\ja-JP\wmplayer.exe.mui.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Africa\Algiers.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-util-lookup.xml.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Windows Media Player\es-ES\wmpnssci.dll.mui.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msaddsr.dll.mui.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\playlist\liveleak.luac.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\fr\UIAutomationClientsideProviders.resources.dll.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\es\Microsoft.Build.Utilities.v3.5.resources.dll.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Kwajalein.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\update_tracking\org-netbeans-modules-profiler-heapwalker.xml.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Creston.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\video_filter\libcolorthres_plugin.dll.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\Windows Journal\en-US\MSPVWCTL.DLL.mui.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\SpecialNavigationUp_ButtonGraphic.png.tmp	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.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	1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe

C:\Users\Admin\AppData\Local\Temp\1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe
"C:\Users\Admin\AppData\Local\Temp\1aa2ef4b7bf33d9258ef7d7e6fdf4040N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2216

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-1-5-21-3294248377-1418901787-4083263181-1000\desktop.ini.tmp

Filesize
31KB

MD5
46525cb4fccb97e6fbbfa6208bc32738

SHA1
fc38db4ca4c431b1c0cdde2a5ef26e0cec85d0c0

SHA256
499770335eccd04c132d6990456697e0056b2465de85433f79dd782779f7db9a

SHA512
ade2343d78158b69fc10e2934dd78df9424601091fa0f3c1bdaae8e83a6dc3301ad06e7b3fc6725b51f31c1d2f13056bc4141cd9559ca253d32327d9363a6ba8

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

Filesize
39KB

MD5
148d04a470ba260f90b2e1fc13c61867

SHA1
36f14ff621689c22ad05efebde54da78a6f79b81

SHA256
270e2eb05bbc655ad2ac854475e8bbc9449c3a1ff594a6d9c01778189c58fd9b

SHA512
05ba4d5447432469d1a7b02680d26dab4d9dd67f1570a7000b3f7b9a98c017b39d792e0a80fed6a974ebf165b826be7b8b8933de0c675238e7289c16f05c3e96

Download Submit
memory/2216-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2216-75-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download