677e82f5dd03a81182bd3031e777f51a6fc2132595c17c6bfa0edff532902339

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29/08/2024, 01:38

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General

Target

bf26fa9be9ad6eae46e98ce1cf843700N.exe
Size

60KB
MD5

bf26fa9be9ad6eae46e98ce1cf843700
SHA1

b7abad38eaf850e7d819e69160ada0bd24191907
SHA256

677e82f5dd03a81182bd3031e777f51a6fc2132595c17c6bfa0edff532902339
SHA512

88cc58fdb0f719ca0e26c8bab2943b506b20be7eb7f45561ea4ce32d9787ad13d7d22b9ecc6cbcb932b96290ce712cea6355ee2557346cd7207b9f9e6e285b13
SSDEEP

1536:CTWn1++PJHJXA/OsIZfzc3/Q8IZTkb/bz:KQSo7Zgr3

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3166) 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/1476-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x00080000000120fb-2.dat	upx
behavioral1/files/0x0002000000010620-6.dat	upx
behavioral1/memory/1476-75-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre7\lib\classlist.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.Data.Services.dll.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\MSInfo\fr-FR\msinfo32.exe.mui.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Internet Explorer\en-US\eula.rtf.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.help_2.0.102.v20141007-2301\feature.xml.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-api-search.jar.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\index.html.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\audio_filter\libspatializer_plugin.dll.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\VideoLAN\VLC\AUTHORS.txt.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\VSTO\vstoee100.tlb.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\ZoneInfoMappings.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.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_preferencestyle.css.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Anadyr.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Europe\Uzhgorod.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\mshwLatin.dll.mui.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Swift_Current.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.docs_5.5.0.165303.jar.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-multitabs_zh_CN.jar.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jre7\lib\zi\WET.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\highlight.png.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\photoedge_buttongraphic.png.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\jsse.jar.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT-4.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-jmx.xml.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\title_trans_scene.wmv.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-execution.xml.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Argentina\La_Rioja.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Rainy_River.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Pacific\Pago_Pago.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Microsoft Games\More Games\es-ES\MoreGames.dll.mui.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Internet Explorer\sqmapi.dll.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\DVD Maker\en-US\OmdProject.dll.mui.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-attach_zh_CN.jar.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Europe\Brussels.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ipsfin.xml.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msadcfr.dll.mui.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\jli.dll.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.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	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.frameworkadmin_2.0.100.v20131209-2144.jar.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Microsoft Games\Chess\Chess.dll.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\7-Zip\Lang\ro.txt.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\flower_trans_matte.wmv.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-attach.xml.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jre7\lib\images\cursors\cursors.properties.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\TipRes.dll.mui.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\1047x576black.png.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Checkers\es-ES\chkrzm.exe.mui.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\MainMenuButtonIcon.png.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access\libaccess_concat_plugin.dll.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Mozilla Firefox\api-ms-win-core-synch-l1-2-0.dll.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT+6.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.commands.nl_zh_4.4.0.v20140623020002.jar.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-favorites_ja.jar.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-util-enumerations.xml.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\imjplm.dll.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-execution_ja.jar.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ipssve.xml.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\symbols\ja-jp-sym.xml.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Novokuznetsk.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-uisupport.jar.tmp	bf26fa9be9ad6eae46e98ce1cf843700N.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	bf26fa9be9ad6eae46e98ce1cf843700N.exe

C:\Users\Admin\AppData\Local\Temp\bf26fa9be9ad6eae46e98ce1cf843700N.exe
"C:\Users\Admin\AppData\Local\Temp\bf26fa9be9ad6eae46e98ce1cf843700N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1476

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-1-5-21-3551809350-4263495960-1443967649-1000\desktop.ini.tmp

Filesize
60KB

MD5
ea55b7e8278f101e6cd0f9f53ca4f451

SHA1
263df6f514cc86398678a6200399cca2d4c27b7d

SHA256
68193bab316a6d2913829482abe4f9d71c79238f966aa9ae9d6cf438b882c05e

SHA512
a2c974567e13444463b0f6f513de93ada8b1c61d096167f136d4b3b83f8ab019214782bdb691cf59ab9182fc663d5ff9449aeb770a2b41b34591279bd58be5d3

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

Filesize
69KB

MD5
d47e922f2adcf14d4a830e45293ca02c

SHA1
3f32404a946d44c344b264ab978303a2dfaa0ea8

SHA256
79664e6d7447638efc4f1aaf7501e1ef0dfe34986188408479a34237dd5a8b46

SHA512
76ddb563a3be0c6b4e4851568128d6689a5869980cb86cd6094accb2c8c2616fd784e8ce6ab81c864db3369014ebdef7592e7baf65541441b1b0418c34174f21

Download Submit
memory/1476-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1476-75-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download