4c0a71a4feee1186cc67cdf127640d37fd122157efb97aef862e055227382211

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
28/08/2024, 20:57

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General

Target

921da0373da8852057d5644b01c81450N.exe
Size

71KB
MD5

921da0373da8852057d5644b01c81450
SHA1

9ff69d50d10b979d8a7d0da2a8371b6cb35a1cbe
SHA256

4c0a71a4feee1186cc67cdf127640d37fd122157efb97aef862e055227382211
SHA512

030d78026a03623b39e58d60ead3f7e289a112022282e070a02dc1574df300907d59db61d6c719440667479fc71b81b4d74ffa4aac60bc479a78ab8fbcf88a47
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9CBT37CPKKdJJ1EXBwzE0:V7Zf/FAxTWoJJ7TiTW7JJ7TtRd

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3154) 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/2372-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000a00000001202c-2.dat	upx
behavioral1/files/0x0002000000010489-6.dat	upx
behavioral1/memory/2372-68-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre7\bin\verify.dll.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jre7\lib\ext\sunec.jar.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Europe\Berlin.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Microsoft Games\Hearts\es-ES\Hearts.exe.mui.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\ta.pak.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Internet Explorer\iexplore.exe.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-swing-tabcontrol_zh_CN.jar.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.help_2.0.102.v20141007-2301\feature.properties.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.apache.batik.util.gui_1.7.0.v200903091627.jar.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jre7\bin\javaw.exe.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jre7\lib\images\cursors\win32_LinkNoDrop32x32.gif.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\LogoCanary.png.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\win32_MoveDrop32x32.gif.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.emf.ecore_2.10.1.v20140901-1043\feature.xml.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\El_Salvador.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.e4.rcp_1.3.100.v20141007-2033\META-INF\MANIFEST.MF.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-keyring_zh_CN.jar.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-api-search.xml.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Europe\Sofia.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Notes_LOOP_BG.wmv.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_de_DE.jar.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\sunmscapi.dll.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Microsoft Games\Mahjong\MahjongMCE.lnk.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\System.IdentityModel.Selectors.dll.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Indian\Cocos.tmp	921da0373da8852057d5644b01c81450N.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\eclipse.inf.tmp	921da0373da8852057d5644b01c81450N.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	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jre7\lib\images\cursors\cursors.properties.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Khandyga.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\TravelIntroToMain.wmv.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\LogoBeta.png.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\security\cacerts.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Google\Chrome\Application\master_preferences.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Mozilla Firefox\uninstall\uninstall.log.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\7-Zip\Lang\fy.txt.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ConvertInkStore.exe.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\flower_trans_MATTE_PAL.wmv.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-swing-plaf_ja.jar.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Filters\VISFILT.DLL.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\OFFICE14\msoshext.dll.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Stucco.gif.tmp	921da0373da8852057d5644b01c81450N.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\feature.xml.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jre7\bin\ktab.exe.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\btn-previous-static.png.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jaas_nt.dll.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Magadan.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-options_ja.jar.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Pacific\Auckland.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Microsoft Games\Mahjong\fr-FR\Mahjong.exe.mui.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\tipresx.dll.mui.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\SceneButtonSubpicture.png.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\hprof.dll.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.apache.felix.gogo.runtime_0.10.0.v201209301036.jar.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.publisher_1.3.0.v20140911-0143.jar.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Martinique.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Microsoft Office\Office14\ONBttnIE.dll.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\7-Zip\Lang\ms.txt.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwrusash.dat.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javafx-iio.dll.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.browser.zh_CN_5.5.0.165303.jar.tmp	921da0373da8852057d5644b01c81450N.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\olh001.htm.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-templates.xml.tmp	921da0373da8852057d5644b01c81450N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Etc\GMT-11.tmp	921da0373da8852057d5644b01c81450N.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	921da0373da8852057d5644b01c81450N.exe

C:\Users\Admin\AppData\Local\Temp\921da0373da8852057d5644b01c81450N.exe
"C:\Users\Admin\AppData\Local\Temp\921da0373da8852057d5644b01c81450N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2372

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-1-5-21-2958949473-3205530200-1453100116-1000\desktop.ini.tmp

Filesize
72KB

MD5
4e68e27763e5059a0fa7cc0e6a817231

SHA1
4596817db611538eb6d403f5509b5282cfa28829

SHA256
d533875cf66a314fc0dd21a4746e765a38f527f4b15d3969f5d400bfb2216f79

SHA512
03cfae03a97de514b36a3bc9342aad828c85ccb82fe35cb6831ed33c00b3cba136bafa5dd3925d8e59119487b179857afd0d65b4c45c2ed67ace2521db8f3b3e

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

Filesize
80KB

MD5
cf025d822f6d50350f5bbdb830f6788e

SHA1
e9afa2368e7bfdc4a9152ffb42bf9e025f94686b

SHA256
1f167c3aac1f9daf6b84cbb77ef83145ef007ad57627f7230910ff7711966cad

SHA512
264463244d0cea93cf92240ab87da9d4fdb0033669d82aee9321d2c7d1c0f5c59a118757864e13e3252e346f58ec89d7dc664290d7f72aa0cfd0248892e43f20

Download Submit
memory/2372-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2372-68-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download