0733c794968f0115fcae0d5454ba09a6421db37037ca6ae8a5cdb4723b72c3d0

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 02:08

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General

Target

3bf04a762a2e4e43b56f4c19ba2792b0N.exe
Size

69KB
MD5

3bf04a762a2e4e43b56f4c19ba2792b0
SHA1

b2edf4dfaa6c101c1d8200af2f5c4024481cd569
SHA256

0733c794968f0115fcae0d5454ba09a6421db37037ca6ae8a5cdb4723b72c3d0
SHA512

7458ae6030f5dd4597776a75d4411b056fd8cbcf212f958613d084061d10099ffcd175055e506635965520c53123ef2af4a4a58f04ed58009e0e4264e0546a91
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjSEXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rB:V7Zf/FAxTWtnMdyGdyktvtU

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3268) 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/2612-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000e000000012261-2.dat	upx
behavioral1/files/0x000400000001043d-6.dat	upx
behavioral1/memory/2612-74-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\Office14\INLAUNCH.DLL.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access\libsdp_plugin.dll.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\org.eclipse.equinox.p2.engine\profileRegistry\JMC.profile\1423861258748.profile.gz.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\org-netbeans-modules-queries.xml.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\es\System.Net.Resources.dll.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ipsdeu.xml.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\System.IdentityModel.Selectors.dll.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\pa\LC_MESSAGES\vlc.mo.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\org-netbeans-modules-profiler-snaptracer.jar.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Etc\GMT-7.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Internet Explorer\networkinspection.dll.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\fontconfig.bfc.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\play-background.png.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.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\larrow.gif.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-profiler.jar.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Pacific\Norfolk.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Microsoft Games\Purble Place\PurblePlaceMCE.png.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\images\vlc-48.png.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msadcer.dll.mui.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\it.pak.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\DVD Maker\fieldswitch.ax.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.workbench_3.106.1.v20140827-1737.jar.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Africa\Maputo.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Thimphu.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Pacific\Majuro.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench.addons.swt.nl_zh_4.4.0.v20140623020002.jar.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jre7\lib\resources.jar.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\El_Salvador.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Montevideo.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Checkers\es-ES\chkrzm.exe.mui.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\15x15dot.png.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\vulkan-1.dll.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Indiana\Knox.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.emf.ecore.xmi_2.10.1.v20140901-1043.jar.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-actions_ja.jar.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-attach_ja.jar.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-heapdump.xml.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access\libbluray-j2se-1.3.2.jar.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\imjplm.dll.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\passport_mask_right.png.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_notes-txt-background.png.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.intro.nl_ja_4.4.0.v20140623020002.jar.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-options_zh_CN.jar.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-core_zh_CN.jar.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Indiana\Petersburg.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\include\win32\bridge\AccessBridgeCalls.h.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Uzhgorod.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Antarctica\Rothera.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Desktop.ini.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\Passport.wmv.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BlackRectangle.bmp.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jre7\lib\accessibility.properties.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\TestSplit.vdx.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\7-Zip\Lang\vi.txt.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\InputPersonalization.exe.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-keyring_ja.jar.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Mozilla Firefox\defaults\pref\channel-prefs.js.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\libttml_plugin.dll.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\InkWatson.exe.mui.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.model.workbench.nl_ja_4.4.0.v20140623020002.jar.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-core-kit.jar.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Managua.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.exe
File created	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaireMCE.png.tmp	3bf04a762a2e4e43b56f4c19ba2792b0N.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	3bf04a762a2e4e43b56f4c19ba2792b0N.exe

C:\Users\Admin\AppData\Local\Temp\3bf04a762a2e4e43b56f4c19ba2792b0N.exe
"C:\Users\Admin\AppData\Local\Temp\3bf04a762a2e4e43b56f4c19ba2792b0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2612

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-1-5-21-3533259084-2542256011-65585152-1000\desktop.ini.tmp

Filesize
70KB

MD5
52bf6a8b1299e43aec4ade8d8fe94bd7

SHA1
a5631c442ff8939fb9a94742fed321be6fec92cb

SHA256
5757452048176a2aebd79092a3b3bda37127853ed022ecb8972395bec4e2f679

SHA512
0dac0ce10634b407476aba4a90abc2d46716042fe84c88bfdf15949ab63b2f455a65cfb2e4c6efc1387462b2909dc484dcb00ad1896c42012259e03be8c60d34

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

Filesize
79KB

MD5
8da640521f6642a3f3e9f8d2d0554590

SHA1
063fa6d5a5b9237b1ccbc6c7ac64a9242c36bb69

SHA256
e3fcd4694c7ab110374c83c955ba0e93148f05a655109be62df5a4959475359b

SHA512
68711e11c2d5a8187076d75802463a26654b00905ecfb357e4f40bd02dbe19585858fbafe0c914ed2a15e91425262bad717131347b4a10def4a9900384d591b0

Download Submit
memory/2612-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2612-74-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download