7d332c97c0e41a98f7938aa7d3c51b61d338071bf8258af1f8e86d910e0fd3d7

Analysis

max time kernel
120s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
05-08-2024 22:20

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General

Target

1637f28850c46d5ab8187d6391e078e0N.exe
Size

56KB
MD5

1637f28850c46d5ab8187d6391e078e0
SHA1

0147ce5f0ec50647549d5ee3c5b032f605d185a8
SHA256

7d332c97c0e41a98f7938aa7d3c51b61d338071bf8258af1f8e86d910e0fd3d7
SHA512

4c7756dd8c48dcaa0d30fdbe352ce78513eca81571ebd5f51bcbb307c2f11e5b97867c5b816e522f032b18b928e0e08732f5d22b1bd55c9c34ba0303b415bd8f
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjSEXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rz:V7Zf/FAxTWtn/

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3435) 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/3000-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x00080000000120fc-2.dat	upx
behavioral1/files/0x0003000000010330-6.dat	upx
behavioral1/memory/3000-660-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.feature_1.1.0.v20140827-1444\feature.xml.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPCEXT.DLL.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Bears.jpg.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Full\15x15dot.png.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\fa.pak.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\include\jni.h.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\msvcr100.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Norfolk.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jre7\lib\ext\localedata.jar.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\es\System.Data.Services.Design.resources.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.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_partstyle.css.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\org-netbeans-modules-profiler-selector-ui.jar.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access\libudp_plugin.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Internet Explorer\SIGNUP\install.ins.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Africa\Monrovia.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-core-execution.xml.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Games\Solitaire\de-DE\Solitaire.exe.mui.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\7-Zip\Lang\sq.txt.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Indian\Chagos.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\liblpcm_plugin.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\VideoLAN\VLC\vlc.exe.tmp	1637f28850c46d5ab8187d6391e078e0N.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\MANIFEST.MF.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\org-openide-filesystems.xml.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\am\LC_MESSAGES\vlc.mo.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Kuala_Lumpur.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\OFFICE14\Cultures\OFFICE.ODF.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_fr.jar.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Guam.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\META-INF\eclipse.inf.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\lib\imap.jar.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\schema\com.jrockit.mc.rjmx.metadataprovider.exsd.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jre7\bin\decora-sse.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\TipTsf.dll.mui.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\config\Modules\org-netbeans-modules-profiler-selector-api.xml.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Chihuahua.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-sendopts.xml.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Pacific\Pago_Pago.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jre7\lib\calendars.properties.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\System.ServiceModel.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access\libbluray-awt-j2se-1.3.2.jar.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\ml\LC_MESSAGES\vlc.mo.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\7-Zip\Lang\yo.txt.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\Alphabet.xml.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\uk-UA\tipresx.dll.mui.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPWMI.DLL.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\TravelIntroToMain_PAL.wmv.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-host-views_ja.jar.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\es\System.Net.Resources.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\en-GB.pak.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Caracas.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Antarctica\Macquarie.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Common Files\System\msadc\msaddsr.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-core-ui.xml.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Australia\Brisbane.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationUp_SelectionSubpicture.png.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\NextMenuButtonIcon.png.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-text_ja.jar.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Colombo.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Etc\GMT-9.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\audio_output\libmmdevice_plugin.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\7-Zip\Lang\ms.txt.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\de-DE\bckgzm.exe.mui.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access_output\libaccess_output_dummy_plugin.dll.tmp	1637f28850c46d5ab8187d6391e078e0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\SystemV\CST6.tmp	1637f28850c46d5ab8187d6391e078e0N.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	1637f28850c46d5ab8187d6391e078e0N.exe

C:\Users\Admin\AppData\Local\Temp\1637f28850c46d5ab8187d6391e078e0N.exe
"C:\Users\Admin\AppData\Local\Temp\1637f28850c46d5ab8187d6391e078e0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3000

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-1-5-21-2257386474-3982792636-3902186748-1000\desktop.ini.tmp

Filesize
57KB

MD5
f00c7f70213d51fd48b0cf0ae03b762c

SHA1
624cfbef219781850de88eafd6462836d83c4d5f

SHA256
484253975b8f99dcd40ccd8ead6ba8c44fb328842a374801f91018ee4e6f75d5

SHA512
23294d9b5c73964a7c3e4f9755d92e7f8db1d79f1654e80c93ac0fb4c3053a7ddbe53b19e29ec6f0df700f75c4ff159b4b06b0ea290f9a492128a0da962ece51

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

Filesize
66KB

MD5
a9aa1935cb99714fbb974fcdf3363ddd

SHA1
263d4422e84cdc0e5fa8b04c68659dd996b4770b

SHA256
475df1399c99dff92bbd12123eefdcf7fcf80e3cc4e0521fb203c7b1389b7e34

SHA512
02957694dcf9dfe26460823c387d77a580b66084ee334a06e41fc915c2053749edbe2fb2492ec6d7c9520d52395cb88f617afde68a00044800b79f5301cc87a1

Download Submit
memory/3000-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3000-660-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download