38b1ac3e9f8db8c0bf5138c676dab8898f21859e45ddfc9353f66f10ba00e6d9

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
17-08-2024 09:40

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General

Target

79d7816c74a3c3e651ac0bd5a8756390N.exe
Size

71KB
MD5

79d7816c74a3c3e651ac0bd5a8756390
SHA1

f8605de38588333619097501c6f659fe2d23c2ca
SHA256

38b1ac3e9f8db8c0bf5138c676dab8898f21859e45ddfc9353f66f10ba00e6d9
SHA512

d3e27e1be552b156b1328723599617c62160787603c0fb7ce1ba3cf67eebfd92b415e55f805ab07069b57a180bf4660f8b237ce21ebc65fc82a40850ff6f10f8
SSDEEP

1536:a7ZyqaFAxTWH1++PJHJXA/OsIZfzc3/Q8Q8/8fCIqwq+:enaypQSosk7Nz

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3150) 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/2864-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x00080000000120ff-2.dat	upx
behavioral1/files/0x00020000000104f5-6.dat	upx
behavioral1/memory/2864-74-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\oledb32r.dll.mui.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jre7\lib\deploy\messages_es.properties.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Mozilla Firefox\install.log.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\TipTsf.dll.mui.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\deploy\messages_zh_CN.properties.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\management\snmp.acl.template.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Pyongyang.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\com.jrockit.mc.feature.console_5.5.0.165303\feature.properties.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jre7\bin\jp2iexp.dll.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Microsoft Games\Mahjong\fr-FR\Mahjong.exe.mui.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\he.pak.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Africa\Algiers.tmp	79d7816c74a3c3e651ac0bd5a8756390N.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\contbig.gif.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.net_1.2.200.v20140124-2013.jar.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-autoupdate-cli.xml.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Checkers\fr-FR\ChkrRes.dll.mui.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\Microsoft.Build.Engine.dll.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\km\LC_MESSAGES\vlc.mo.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\sunec.dll.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Argentina\Buenos_Aires.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-lib-uihandler.xml.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\it\System.RunTime.Serialization.Resources.dll.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Internet Explorer\MemoryAnalyzer.dll.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\libEGL.dll.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Pacific\Tarawa.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\pt_PT\LC_MESSAGES\vlc.mo.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msadcfr.dll.mui.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\BabyBoyMainToScenesBackground_PAL.wmv.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\play-static.png.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\NavigationUp_SelectionSubpicture.png.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Internet Explorer\jsdebuggeride.dll.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\mlib_image.dll.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\plugin.properties.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-spi-actions_ja.jar.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Australia\Lindeman.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.WorkflowServices.dll.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Desktop.ini.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\NavigationLeft_SelectionSubpicture.png.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\lib\dsn.jar.tmp	79d7816c74a3c3e651ac0bd5a8756390N.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_globalstyle.css.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-openide-windows.jar.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Mozilla Firefox\updater.ini.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access\libaccess_srt_plugin.dll.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\TipBand.dll.mui.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msdaremr.dll.mui.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\sqloledb.rll.mui.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\Perf_Scenes_Subpicture1.png.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-javahelp.jar.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-profiling.xml.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\scenesscroll.png.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Magadan.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\7-Zip\Lang\nl.txt.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\de.pak.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-threaddump_ja.jar.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Atlantic\Bermuda.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwresmlm.dat.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.osgi.services.nl_zh_4.4.0.v20140623020002.jar.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-sampler_ja.jar.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Antarctica\Troll.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kcms.dll.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Africa\Lagos.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Chihuahua.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\fr\UIAutomationProvider.resources.dll.tmp	79d7816c74a3c3e651ac0bd5a8756390N.exe
File created	C:\Program Files\VideoLAN\VLC\New_Skins.url.tmp	79d7816c74a3c3e651ac0bd5a8756390N.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	79d7816c74a3c3e651ac0bd5a8756390N.exe

C:\Users\Admin\AppData\Local\Temp\79d7816c74a3c3e651ac0bd5a8756390N.exe
"C:\Users\Admin\AppData\Local\Temp\79d7816c74a3c3e651ac0bd5a8756390N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2864

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
71KB

MD5
ce4a76cdb19fac84676941c64fbcbcbb

SHA1
715656869603e4d8e2bc51549078695b2a62016b

SHA256
86114c0c5f6b3768c5fde6efad471d3f27048c822a45e99e1267b4f480fd1ba6

SHA512
9778305ffccbb0d30ad2fedf289fb37d8c259365d4b636c3ea42dc79d4ea97d1f516d77a513f2301316a44565da5973dca80f5c01729af46096f17cc61e92a77

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

Filesize
80KB

MD5
d14a3a382ff00e4049f7e793e115c791

SHA1
3105e91b12d737cfab1d905204e576b7d8d13ee1

SHA256
74024f496a337b4706dee1370ab34e05a6257017f4dbed1ae72807a6b511838d

SHA512
43213b48347daa559fca0228d5b62ce782b1e9e7e0225f87fa71d44911ab21f520b0f775a778d38cccb9697628226a4eb1dfeda36d52dab67ca1b279669d6aeb

Download Submit
memory/2864-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2864-74-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download