5e8a415aa6fd51b42dbb073559b64d213c223dd080e06efffa8779a2311b2b78

Analysis

max time kernel
120s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/09/2024, 01:01

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General

Target

fb8e850a1e520c79c12e30ab183f1870N.exe
Size

129KB
MD5

fb8e850a1e520c79c12e30ab183f1870
SHA1

688b600d6f8da4a85a28ab29ad035b36a49291fc
SHA256

5e8a415aa6fd51b42dbb073559b64d213c223dd080e06efffa8779a2311b2b78
SHA512

5200eb4fc9e02c47e4f496a6fb786527e6cbb739f318fea808d42fb6a7a1795b5a1e755f17ce90634b70f8ade8843d3255e9d848af4f11f36408a46c510a7f59
SSDEEP

1536:V7Zf/FAxTWoJJZENTBWv36DidAz9gmHXwDNn5e24sPP4FmIFOTpWqhVAqKVxmq:fny1tEevW4ABKeCPwFmnpWqhVAqKVxb

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3003) 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/1908-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0007000000012118-2.dat	upx
behavioral1/files/0x000200000001067f-6.dat	upx
behavioral1/memory/1908-74-0x0000000000400000-0x000000000040B000-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\bin\msvcr100.dll.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\fr\System.Xml.Linq.Resources.dll.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\security\cacerts.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Bangkok.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Samarkand.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.reconciler.dropins_1.1.200.v20131119-0908.jar.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-core.jar.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwruksh.dat.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msadcer.dll.mui.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\navSubpicture.png.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-masterfs-nio2.xml.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-api-caching.xml.tmp	fb8e850a1e520c79c12e30ab183f1870N.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	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Mozilla Firefox\locale.ini.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\NavigationLeft_ButtonGraphic.png.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\javafx.properties.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\ct.sym.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationLeft_ButtonGraphic.png.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.artifact.repository.nl_zh_4.4.0.v20140623020002.jar.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jre7\lib\management\jmxremote.password.template.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Moncton.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Riyadh88.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Yerevan.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msxactps.dll.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Push\push_item.png.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\CircleSubpicture.png.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Microsoft Games\Hearts\de-DE\Hearts.exe.mui.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\SportsMainBackground_PAL.wmv.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\Passport_PAL.wmv.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\WidevineCdm\manifest.json.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Pacific\Funafuti.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\7-Zip\Lang\sq.txt.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\nb-NO\tipresx.dll.mui.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Full\NavigationLeft_SelectionSubpicture.png.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Lisbon.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Microsoft Office\Office14\AUTHZAX.DLL.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\extensions\VLSub.luac.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-print.jar.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-snaptracer_zh_CN.jar.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Etc\GMT+2.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Common Files\System\msadc\msdaprsr.dll.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\org.eclipse.equinox.p2.engine\.settings\org.eclipse.equinox.p2.metadata.repository.prefs.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\META-INF\MANIFEST.MF.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgRes.dll.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Common Files\SpeechEngines\Microsoft\TTS20\es-ES\MSTTSLoc.dll.mui.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\alt-rt.jar.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.transport.ecf.nl_zh_4.4.0.v20140623020002.jar.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-sendopts_zh_CN.jar.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Guyana.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Indiana\Marengo.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jre7\lib\zi\SystemV\HST10.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\Workflow.Targets.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\7-Zip\Lang\eu.txt.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Internet Explorer\msdbg2.dll.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\fonts\LucidaBrightDemiBold.ttf.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwrfrash.dat.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.jface.databinding_1.6.200.v20140528-1422.jar.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Thunder_Bay.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\7-Zip\Lang\bn.txt.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\DVD Maker\fr-FR\WMM2CLIP.dll.mui.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\NextMenuButtonIcon.png.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\com.jrockit.mc.feature.flightrecorder_5.5.0.165303\feature.xml.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Etc\GMT-6.tmp	fb8e850a1e520c79c12e30ab183f1870N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\New_York.tmp	fb8e850a1e520c79c12e30ab183f1870N.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	fb8e850a1e520c79c12e30ab183f1870N.exe

C:\Users\Admin\AppData\Local\Temp\fb8e850a1e520c79c12e30ab183f1870N.exe
"C:\Users\Admin\AppData\Local\Temp\fb8e850a1e520c79c12e30ab183f1870N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1908

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-1-5-21-1488793075-819845221-1497111674-1000\desktop.ini.tmp

Filesize
130KB

MD5
e03ecbb8e2d3db3acce421a21bd11ca6

SHA1
45e6d2d1f7bd5464d5b3d1400aa008068723317f

SHA256
014f5ff5474ca69948858f08672e4b01d84b6a96b18ddb532881b7020f282cfc

SHA512
f89d7a406fa183655f800cd9ffa524748b5769eda6ae16e8e91a1e91fe83691f03521e06c2e9c43d29aed6cc84a4a8e610041bdc676684a3bb67e946adc24745

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

Filesize
139KB

MD5
7ba275dc9cd288eadf4790c0a65098bd

SHA1
fa23a6020554ae811a2a67e6ccf982f025717662

SHA256
2142bf7e2873ab6c13cdaabb3529334d7d2d6b064dce865c600729a1601d1385

SHA512
2521f1160628951a92a31bb46f054bf51b399b697c69c38f1bb2842cf1c564dcb6d3b18d6dae78fe5e71c13ab0dd90e45049f3d876312e9c0c1dfb3506604866

Download Submit
memory/1908-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1908-74-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download