efa7bddf1cb3886c81de4b04c0a72d7727636245e0f86bdde1085d1e149e85bb

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
14/08/2024, 10:55

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General

Target

6a50569bd640492ec588bb566d23f960N.exe
Size

56KB
MD5

6a50569bd640492ec588bb566d23f960
SHA1

3a28c8111d5fd22b5d75eb74b7fea20859677e8d
SHA256

efa7bddf1cb3886c81de4b04c0a72d7727636245e0f86bdde1085d1e149e85bb
SHA512

44f81f4b7647abf4ff13df96b1d9427844b6f1eaa296a820451f099c38e259b0a5eab1352d054ed1725906ea6166c26c4c3521089c44e64c1254c15a539e9212
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNydWK9WKXIRUIc:V7Zf/FAxTWoJJZENTNyoKIK5

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3331) 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/2972-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x00080000000120ff-2.dat	upx
behavioral1/files/0x00020000000104f5-6.dat	upx
behavioral1/memory/2972-662-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Games\Multiplayer\Checkers\es-ES\ChkrRes.dll.mui.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\libcrystalhd_plugin.dll.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\DVD Maker\rtstreamsource.ax.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\config\Modules\org-netbeans-modules-profiler-heapwalker.xml.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.ssl.feature_1.0.0.v20140827-1444\license.html.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Microsoft Games\Mahjong\de-DE\Mahjong.exe.mui.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\demux\libdemux_cdg_plugin.dll.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Antarctica\Macquarie.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\audio_filter\libsamplerate_plugin.dll.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Bishkek.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwrcatsh.dat.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Argentina\La_Rioja.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Hebron.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.repository_2.3.0.v20131211-1531.jar.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core_ja.jar.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-sendopts_zh_CN.jar.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\DVD Maker\Shared\Filters.xml.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Mozilla Firefox\updater.exe.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-modules-appui.jar.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Etc\GMT-9.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Microsoft Games\Mahjong\fr-FR\Mahjong.exe.mui.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\bear_formatted_matte2.wmv.tmp	6a50569bd640492ec588bb566d23f960N.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	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Scenes_INTRO_BG.wmv.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\update_tracking\org-netbeans-modules-profiler-selector-api.xml.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Microsoft Games\Chess\ja-JP\Chess.exe.mui.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\demux\libasf_plugin.dll.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\es-ES\rtscom.dll.mui.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\TipTsf.dll.mui.tmp	6a50569bd640492ec588bb566d23f960N.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\rarrow.gif.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\packetizer\libpacketizer_copy_plugin.dll.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-bootstrap.xml.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access\libsmb_plugin.dll.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPOBJS.DLL.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\btn-next-static.png.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\North_Dakota\New_Salem.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_performance_Thumbnail.bmp.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jre7\bin\j2pcsc.dll.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\bin\setNetworkClientCP.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\ext\zipfs.jar.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-sampler_ja.jar.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\org-netbeans-core-io-ui.xml_hidden.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Microsoft Games\Mahjong\en-US\Mahjong.exe.mui.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\highlight.png.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\NavigationLeft_SelectionSubpicture.png.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwrlatinlm.dat.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Brunei.tmp	6a50569bd640492ec588bb566d23f960N.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.properties.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\icons\time-span-16.png.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.frameworkadmin.equinox_1.0.500.v20131211-1531.jar.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jre7\lib\zi\HST.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\7-Zip\Lang\sq.txt.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\symbols.xml.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\meta\art\02_frenchtv.luac.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\stream_out\libstream_out_bridge_plugin.dll.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckg.dll.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Mozilla Firefox\platform.ini.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\es\System.Data.DataSetExtensions.Resources.dll.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Internet Explorer\iexplore.exe.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Argentina\Tucuman.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\TipBand.dll.mui.tmp	6a50569bd640492ec588bb566d23f960N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Colombo.tmp	6a50569bd640492ec588bb566d23f960N.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	6a50569bd640492ec588bb566d23f960N.exe

C:\Users\Admin\AppData\Local\Temp\6a50569bd640492ec588bb566d23f960N.exe
"C:\Users\Admin\AppData\Local\Temp\6a50569bd640492ec588bb566d23f960N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2972

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-1-5-21-3450744190-3404161390-554719085-1000\desktop.ini.tmp

Filesize
56KB

MD5
dbfa0c67862e2ba98d918a1c197b8720

SHA1
3bd4bd106f034fd1c97b8db6d2e425c93c743344

SHA256
202201b9f0f11c49163d1165a2e1b61820ba28fce380e7ab69814c4705b338f9

SHA512
7dd0bf29073a2b9a7e3e6ad650fab69289ff5f731c6c2a4c0091695d9ec2bf7d7f93e1dd8944a013bbb33d4ade1bf4d9c2e8836b06118d222b062a89fcf2d5f3

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

Filesize
65KB

MD5
437836e8c57cad3c20eed08c7adf1bc9

SHA1
ff3e13e254b599705da3e08876d55b367b33a7e0

SHA256
b8f57df065bef1123cffe6e5f1a76701bf0b8ba701adce3d3770fe531f155d45

SHA512
6c9d1f710f0d1dabc88fe0d8392f6fce09654148f51b4ffce7e171bfd7d0cd64e23dec9c48028f81055340ced319c6dd576ff869b4120a261a8d653756eec341

Download Submit
memory/2972-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2972-662-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download