66119fb9e79a1af91e6c70485decb7f2228b858b05828e81a2742e81dd3c17f8

Analysis

max time kernel
120s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
22-08-2024 13:44

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General

Target

8e2d67b366b34bc1b2b69edbbbb88800N.exe
Size

46KB
MD5

8e2d67b366b34bc1b2b69edbbbb88800
SHA1

0eb31110f46b458492a0c695dcf4429d8846e0a5
SHA256

66119fb9e79a1af91e6c70485decb7f2228b858b05828e81a2742e81dd3c17f8
SHA512

3d0450be6fc0223af3be2e7054bd8c84e0a828c6d5d5c586e50a1be1e3455cd3a7f262878a6f6f941995adb0a79d29c53b39c4e285fe78d273f5963818bd91c7
SSDEEP

768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcu90TKe+0TKeinMdA:CTWUnMdyGdy4AnAP4N

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3222) 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/2900-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x000a000000012283-2.dat	upx
behavioral1/files/0x00020000000104da-6.dat	upx
behavioral1/memory/2900-75-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\be.txt.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\symbols.xml.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationRight_SelectionSubpicture.png.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\passport_mask_left.png.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\sunec.dll.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Vienna.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-filesystems.xml.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\7-Zip\Lang\ar.txt.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.Web.Extensions.Design.dll.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\ff\LC_MESSAGES\vlc.mo.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgRes.dll.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_wer.dll.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Internet Explorer\images\bing.ico.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-awt.xml.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Etc\GMT-8.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\MSInfo\fr-FR\msinfo32.exe.mui.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jre7\lib\zi\CET.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\dialogs\error_window.html.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Inuvik.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\OldAge\vintage.png.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jre7\bin\gstreamer-lite.dll.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\libx265_plugin.dll.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\IPSEventLogMsg.dll.mui.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Halifax.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\javax.xml_1.3.4.v201005080400.jar.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\locale\boot_zh_CN.jar.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Mozilla Firefox\mozavutil.dll.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\NavigationLeft_ButtonGraphic.png.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\BabyBoyScenesBackground_PAL.wmv.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\vulkan-1.dll.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Martinique.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\North_Dakota\New_Salem.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rcp.intro.zh_CN_5.5.0.165303.jar.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.runtime_3.10.0.v20140318-2214.jar.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-openide-awt.jar.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Orange Circles.htm.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\es\Microsoft.Build.Utilities.v3.5.resources.dll.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Irkutsk.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\passport.png.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\NavigationLeft_SelectionSubpicture.png.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.rcp_4.4.0.v20141007-2301\META-INF\MANIFEST.MF.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Damascus.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Australia\Adelaide.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Indian\Mauritius.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Mozilla Firefox\crashreporter.ini.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\7-Zip\descript.ion.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\nio.dll.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-options-keymap.xml.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Microsoft Office\Office14\ONBttnIELinkedNotes.dll.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\audio_output\libafile_plugin.dll.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\ShapeCollector.exe.mui.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\NavigationUp_SelectionSubpicture.png.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\en-GB.pak.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\kn\LC_MESSAGES\vlc.mo.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwrlatinlm.dat.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Mozilla Firefox\ipcclientcerts.dll.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Europe\Riga.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-autoupdate-services.jar.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\update_tracking\org-netbeans-lib-profiler-common.xml.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Regina.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\de\UIAutomationClientsideProviders.resources.dll.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Australia\Lindeman.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-settings.xml.tmp	8e2d67b366b34bc1b2b69edbbbb88800N.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	8e2d67b366b34bc1b2b69edbbbb88800N.exe

C:\Users\Admin\AppData\Local\Temp\8e2d67b366b34bc1b2b69edbbbb88800N.exe
"C:\Users\Admin\AppData\Local\Temp\8e2d67b366b34bc1b2b69edbbbb88800N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2900

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

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Downloads

C:\$Recycle.Bin\S-1-5-21-3434294380-2554721341-1919518612-1000\desktop.ini.tmp

Filesize
47KB

MD5
8470e1c11b9a16b682f6418a86a5c104

SHA1
f88f4d0a21b5be78e71f229588e6f4e9ee60da19

SHA256
d39829fb05b80704e2c4b025759823eb85950b0780cfeeea206fc96f2741ce3f

SHA512
520ede6d7430122c7433a68a357fd98cf847ade8b7fa6e104e577b1b3da3305f5e54d3af4fe177ad345a4ad620898c8076a95b2cb0323726ad8fe6a6c600ba02

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

Filesize
56KB

MD5
ea0df499c301a3966e9d10c7a2339fb9

SHA1
46d5d341209545253ca1b464615bb8d74fd74acd

SHA256
8638087d11fbf99a96464691d3444943301a2489d06ba79a6dc1d101c1d15df0

SHA512
ae0502bd316d6bd2b53ea7c7fede8eddfa5a7dfdbc90542619070a6be2a70095a8ae493cb53435020b2cae1e9f723865c62b065b1132657188c6ab20b7eb6131

Download Submit
memory/2900-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2900-75-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download