936efb6c1d949a7d292e2f624f007357f9a785b0fac3b3cf9cc0ff9e6549950e

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
17/08/2024, 06:04

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General

Target

71d13e5a4b99749e4cabeb4590508ba0N.exe
Size

75KB
MD5

71d13e5a4b99749e4cabeb4590508ba0
SHA1

e7cb66a0244d589fc69adb2beb81c3d9c2c64b1e
SHA256

936efb6c1d949a7d292e2f624f007357f9a785b0fac3b3cf9cc0ff9e6549950e
SHA512

21d5a28bda2151b39e782153f532d4247b1186eeb1e1174323444d8cc090d0802eb0208fe1040c2fc8084a48ed4988cac3ff6ce7f6f435dbef2f36e436887eac
SSDEEP

768:a7BlpyqaFAK65eCv+cIA0fm7Nm0CAbLg++PJHJzIWD4adZdhAIuZAIuniXKqAJxi:a7ZyqaFAlsr1++PJHJXFAIuZAIuE

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3089) 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/2344-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0007000000012118-2.dat	upx
behavioral1/files/0x0002000000010489-6.dat	upx
behavioral1/memory/2344-68-0x0000000000400000-0x000000000040B000-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\visualvm\profiler\modules\org-netbeans-lib-profiler-ui.jar.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Campo_Grande.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\de\System.Data.Services.Design.resources.dll.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\af\LC_MESSAGES\vlc.mo.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\images\Other-48.png.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\VSTO\10.0\1033\VSTOLoaderUI.dll.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Africa\Monrovia.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.metadata.repository_1.2.100.v20131209-2144.jar.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Inuvik.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\North_Dakota\Center.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Mozilla Firefox\libGLESv2.dll.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\ReachFramework.dll.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\ja\System.Data.Services.Client.resources.dll.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\hu.pak.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\NextMenuButtonIcon.png.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Africa\Abidjan.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-util-lookup.xml.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\FlickLearningWizard.exe.mui.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jre7\lib\deploy\messages_es.properties.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.osgi.compatibility.state.nl_ja_4.4.0.v20140623020002.jar.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Etc\GMT+8.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\SystemV\CST6CDT.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Sofia.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\es\System.IdentityModel.Resources.dll.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ipsjpn.xml.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\notes-static.png.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\uk.pak.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-api-visual.xml.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-selector-api_zh_CN.jar.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\images\Folder-48.png.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access\libdtv_plugin.dll.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Common Files\System\ado\msadox28.tlb.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.apache.batik.css_1.7.0.v201011041433.jar.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.expressions_3.4.600.v20140128-0851.jar.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-javahelp_ja.jar.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Argentina\Jujuy.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\images\Video-48.png.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Common Files\System\es-ES\wab32res.dll.mui.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\amd64\jvm.cfg.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\icons\flight_recorder.png.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\org-netbeans-core-output2.xml_hidden.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\SystemV\PST8.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\mshwjpn.dll.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\LICENSE.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Etc\GMT+9.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\7-Zip\Lang\ast.txt.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core_ja.jar.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Microsoft Games\SpiderSolitaire\es-ES\SpiderSolitaire.exe.mui.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Shades of Blue.htm.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\include\jdwpTransport.h.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.emf.common_2.10.1.v20140901-1043\META-INF\ECLIPSE_.RSA.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.apache.batik.util_1.7.0.v201011041433.jar.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Spades\de-DE\ShvlRes.dll.mui.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Mozilla Firefox\private_browsing.exe.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\bin\NetworkServerControl.bat.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\tipresx.dll.mui.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msadcor.dll.mui.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Title_Page_Ref_PAL.wmv.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-io-ui_ja.jar.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-openide-awt.jar.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Yakutsk.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\es\System.Web.Entity.Resources.dll.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\7-Zip\Lang\el.txt.tmp	71d13e5a4b99749e4cabeb4590508ba0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\content-types.properties.tmp	71d13e5a4b99749e4cabeb4590508ba0N.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	71d13e5a4b99749e4cabeb4590508ba0N.exe

C:\Users\Admin\AppData\Local\Temp\71d13e5a4b99749e4cabeb4590508ba0N.exe
"C:\Users\Admin\AppData\Local\Temp\71d13e5a4b99749e4cabeb4590508ba0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2344

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
75KB

MD5
9c4f578fb775ddcaa36ddf1ad083e4e4

SHA1
4f7c0b05b6f98a40a5bcb36a2183f8cf774d45c6

SHA256
f2facae779f4a3ed1ace6498295d8d556416932e635dfb7d3484e9ce9c326af8

SHA512
bdccfc48de3be0b563bbd41f33bab567e070b2dbcf650182824de6b4cf61d8e5fcc5e5fa1cd7c3143d7d669e6fd905762ecb75da6efd40f8cdf5c1d672f90403

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

Filesize
84KB

MD5
f57db3333422817fd9aa0587e373d101

SHA1
ce27ffbc66bb2c6d3811d29219b2b5aa8c14dabc

SHA256
9c68ff41ed36178a129527abf1b0b559e4be0ef2b002a94cbb2475ad56bd4754

SHA512
88ee95468e9989a9b13f6d7073afd419b921cebd4af5bd99384ed91e851e951877659a7d55eaf24a189864e048eb671d2d1860253377a5ca4b806dc547008510

Download Submit
memory/2344-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2344-68-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download