fc28cd748741f8886b3321c97587ab0695f15dc4f37ad855cd1f034851ea3989

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
05-08-2024 12:45

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General

Target

8fbbc4a843c9c854779fc215d1cc34e0N.exe
Size

57KB
MD5

8fbbc4a843c9c854779fc215d1cc34e0
SHA1

5c302058036612771fd244aaacca94f59ed0372d
SHA256

fc28cd748741f8886b3321c97587ab0695f15dc4f37ad855cd1f034851ea3989
SHA512

35da8fa07e4d83ff3bec6c65352964e8fc297f747ef0a97dca4467bc0dbcb3c0373b34e3852df9ae5840b76b5652cfc42b04a9aa8d2ff1aa55d3973a32490703
SSDEEP

1536:V7Zf/FAxTWoJJB7LD2I2IHsLMzgGYJ5OngGYJ5OU:fny1tD33HsshBh6

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3155) 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/2680-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0007000000012117-2.dat	upx
behavioral1/files/0x0002000000010557-6.dat	upx
behavioral1/memory/2680-652-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Full\dotsdarkoverlay.png.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-heapdump.xml.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jre7\bin\libxslt.dll.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Antarctica\Vostok.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.flightrecorder.ui.ja_5.5.0.165303.jar.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.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\about.html.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access\libnfs_plugin.dll.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\libadpcm_plugin.dll.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\update_tracking\org-netbeans-lib-profiler-ui.xml.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Yakutsk.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Mozilla Firefox\browser\crashreporter-override.ini.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPWMI.DLL.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msdaremr.dll.mui.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench3.nl_ja_4.4.0.v20140623020002.jar.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\core\locale\org-openide-filesystems_zh_CN.jar.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-dialogs_ja.jar.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-attach_ja.jar.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Spades\es-ES\shvlzm.exe.mui.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\de\Microsoft.Build.Conversion.v3.5.resources.dll.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ro-RO\tipresx.dll.mui.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\th-TH\tipresx.dll.mui.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\icudtl.dat.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\epl-v10.html.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\intf\luac.luac.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\mshwLatin.dll.mui.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Internet Explorer\iediagcmd.exe.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Argentina\Mendoza.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\mr\LC_MESSAGES\vlc.mo.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.Data.Services.dll.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\kk\LC_MESSAGES\vlc.mo.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_frame-imageMask.png.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-swing-tabcontrol.xml.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Inuvik.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Microsoft Games\Solitaire\fr-FR\Solitaire.exe.mui.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.WorkflowServices.dll.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\SystemV\CST6CDT.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\com.jrockit.mc.feature.flightrecorder_5.5.0.165303\feature.properties.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-output2_zh_CN.jar.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Spades\ja-JP\shvlzm.exe.mui.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\zh-TW.pak.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.docs.zh_CN_5.5.0.165303.jar.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\fr\System.Data.Services.Design.resources.dll.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\tabskb.dll.mui.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\content-foreground.png.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\travel.png.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\vignettemask25.png.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\btn-back-static.png.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Resolute.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.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\license.html.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Pacific\Pitcairn.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jre7\bin\JavaAccessBridge-64.dll.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\Alphabet.xml.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\baseAltGr_rtl.xml.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Baku.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help.base.nl_ja_4.4.0.v20140623020002.jar.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\mshwgst.dll.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\org.eclipse.equinox.p2.engine\profileRegistry\JMC.profile\1423861240811.profile.gz.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-ui_zh_CN.jar.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-keyring_zh_CN.jar.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-explorer_zh_CN.jar.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access_output\libaccess_output_shout_plugin.dll.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\FlipPage\NavigationRight_SelectionSubpicture.png.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\am.pak.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe.tmp	8fbbc4a843c9c854779fc215d1cc34e0N.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	8fbbc4a843c9c854779fc215d1cc34e0N.exe

C:\Users\Admin\AppData\Local\Temp\8fbbc4a843c9c854779fc215d1cc34e0N.exe
"C:\Users\Admin\AppData\Local\Temp\8fbbc4a843c9c854779fc215d1cc34e0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2680

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
58KB

MD5
cecef9685cb92ab7ad163c8d444f503d

SHA1
45469e162b56ee35d34ef037596c6c71488f87ad

SHA256
90421e23557aca64594b676e85d276a347b25b288f02c35a71b0fac04c7dde7d

SHA512
8015a648721d5816a86c8e08d5c963059ba6959a8db7b32724d7bcac67a2f2c6f4dda2b6927af6e0b93a3b580c4e104880b6ba3d36bbdd3db079a3090747f2fb

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

Filesize
67KB

MD5
81f76646eed5024e0eecda68a9e61855

SHA1
ccabe559f5df38ee3b2deda1c53f0afc2171237f

SHA256
09db13467900eb49792f88cffd2a0a90f37867242fd3516befc825332d62810e

SHA512
58dc085823d5152487ec80a8410d2c24150e690beb222fab2aed818fb409fa1a1cbaa62bc027e94f41e631dc7d1a1662807271499e5adb6d554f37412268868d

Download Submit
memory/2680-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2680-652-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download