3e0586bd12c6374d5db958ab336898dc08fd8f36afdcf69c94d1030a887a7673

Analysis

max time kernel
120s
max time network
118s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
05-08-2024 11:14

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General

Target

856e44e06ad805a0b9a654164a106d20N.exe
Size

61KB
MD5

856e44e06ad805a0b9a654164a106d20
SHA1

cb66f87276db617881351bd9256627a2de4aeafb
SHA256

3e0586bd12c6374d5db958ab336898dc08fd8f36afdcf69c94d1030a887a7673
SHA512

0447ac47bed6d750839660bc85f989252a8f6df733ad7eacb31edf9b3d8f53ea02911e2f0fcc9237df5d7e5f03c1f65c6d774ce31c15729e273fc8da29484c30
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjSEXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rZ:V7Zf/FAxTWtnMdyGdy/

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3226) 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/1640-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x00070000000120fd-2.dat	upx
behavioral1/files/0x0002000000010663-6.dat	upx
behavioral1/memory/1640-652-0x0000000000400000-0x000000000040B000-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\lib\images\cursors\win32_LinkDrop32x32.gif.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-threaddump.xml.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\ga\LC_MESSAGES\vlc.mo.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\control\libwin_hotkeys_plugin.dll.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Microsoft Games\Mahjong\it-IT\Mahjong.exe.mui.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\MST7MDT.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.update.configurator.nl_zh_4.4.0.v20140623020002.jar.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-progress-ui.jar.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-modules-appui_zh_CN.jar.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-explorer_zh_CN.jar.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\boxed-split.avi.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\sunmscapi.dll.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Galapagos.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\rjmx.jar.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\NavigationLeft_ButtonGraphic.png.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Cayman.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Microsoft Games\Chess\en-US\Chess.exe.mui.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Microsoft Games\Purble Place\en-US\PurblePlace.exe.mui.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\mr\LC_MESSAGES\vlc.mo.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\DVD Maker\OmdBase.dll.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\include\jawt.h.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-api-caching.xml.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-heapdump_zh_CN.jar.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\btn-previous-static.png.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\fa.pak.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.core_5.5.0.165303.jar.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Microsoft Games\Chess\ja-JP\Chess.exe.mui.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.garbagecollector.nl_ja_4.4.0.v20140623020002.jar.tmp	856e44e06ad805a0b9a654164a106d20N.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_basestyle.css.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-tools.xml.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jre7\bin\java_crw_demo.dll.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\oledb32r.dll.mui.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.feature_1.1.0.v20140827-1444\META-INF\ECLIPSE_.RSA.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\7-Zip\Lang\yo.txt.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\web\webbase.xml.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\images\macTSFrame.png.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\plugin.xml.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Pacific\Enderbury.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Mozilla Firefox\notificationserver.dll.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.simpleconfigurator.manipulator_2.0.0.v20131217-1203.jar.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-application-views.xml.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Bishkek.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Pacific\Kwajalein.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\4to3Squareframe_Buttongraphic.png.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Indian\Kerguelen.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\README.html.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\images\vlc-48.png.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\bin\sysinfo.bat.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Vilnius.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Australia\Melbourne.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\libzvbi_plugin.dll.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Choibalsan.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Microsoft Games\Hearts\ja-JP\Hearts.exe.mui.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Microsoft Games\Purble Place\ja-JP\PurblePlace.exe.mui.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\SystemV\MST7MDT.tmp	856e44e06ad805a0b9a654164a106d20N.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\META-INF\MANIFEST.MF.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\images\win7TSFrame.png.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-charts.xml.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ecf.filetransfer_5.0.0.v20140827-1444.jar.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-queries_ja.jar.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Yakutat.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\Microsoft.VisualC.STLCLR.dll.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\cloud_Thumbnail.bmp.tmp	856e44e06ad805a0b9a654164a106d20N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.flightrecorder.ui_5.5.0.165303.jar.tmp	856e44e06ad805a0b9a654164a106d20N.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	856e44e06ad805a0b9a654164a106d20N.exe

C:\Users\Admin\AppData\Local\Temp\856e44e06ad805a0b9a654164a106d20N.exe
"C:\Users\Admin\AppData\Local\Temp\856e44e06ad805a0b9a654164a106d20N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1640

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-1-5-21-1385883288-3042840365-2734249351-1000\desktop.ini.tmp

Filesize
61KB

MD5
bbb20bfaa5a68d795e35762bd230b4c1

SHA1
5968c05250928948a6b096ab0164c0f4875ede8f

SHA256
c660251487ef5a38568f7bc97be35c2fc770722969263add172574460a76f51f

SHA512
b035fe8e98f905ff54eda55b4f47b9470d8b9b76f93587b0464149e4c594e0e37485bc3724509c2e1c4d32579ae2500d42c6948bc6d69cc23e3d14cd0f110bd4

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

Filesize
70KB

MD5
71ba46a0a6694ddc6ef53bde3b236d32

SHA1
cb4c818371e64227272b8818a109b206d45bbf91

SHA256
7d48fcf2a30f2d16527dbed391d9bff7cf036e6d958501bb4ab1c5d0fd461617

SHA512
c893b0fd75be920309ef2dde60c336869c11ec31de5bb0c5a7fd96b49d9ecdcd02d16298f343a42a2f9ab54b33c286fff2cd033b5c4ce2ca6667be52e4cae2d7

Download Submit
memory/1640-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1640-652-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download