3620d9bfeb416ea0e32c691aa0d07d9df4b2c04338ef3ce6f2a95e8c8c901522

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
13/09/2024, 10:02

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General

Target

b92fcbce4796e61f6be95018e2956430N.exe
Size

18KB
MD5

b92fcbce4796e61f6be95018e2956430
SHA1

5c74a700e660648c36d2753e0ffbc09b70b5efd0
SHA256

3620d9bfeb416ea0e32c691aa0d07d9df4b2c04338ef3ce6f2a95e8c8c901522
SHA512

17d2339fa912748605678c6894843e8005dc064e28f1c133af3e7c21830e25e80b485073318f44e59d8a132e5dd17f29a2f9228d03ab2bd128d36c3328cfa5e1
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJ1Evd5BvhzaMxGCFKn28XGCFKn28s:kBT37CPKKdJJ1EXBlGCeXGCes

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3448) 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/2692-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x0007000000012118-2.dat	upx
behavioral1/files/0x000200000001067f-6.dat	upx
behavioral1/memory/2692-71-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\FlipPage\NavigationRight_ButtonGraphic.png.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-uihandler.jar.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\ja\System.Data.Services.Design.resources.dll.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\4to3Squareframe_Buttongraphic.png.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\ja\PresentationFramework.resources.dll.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\requests\status.json.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Windows Journal\JNTFiltr.dll.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\1047x576_91n92.png.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-output2_zh_CN.jar.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Indiana\Winamac.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Microsoft Office\Office14\1033\Mso Example Intl Setup File A.txt.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\DVD Maker\es-ES\WMM2CLIP.dll.mui.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\NextMenuButtonIcon.png.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Baghdad.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jre7\bin\JavaAccessBridge-64.dll.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\zh-dayi.xml.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Apia.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Windows Media Player\en-US\wmlaunch.exe.mui.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\diner_dot.png.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Niue.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\locale\org-openide-modules_zh_CN.jar.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Kamchatka.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Full\dotsdarkoverlay.png.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Port_of_Spain.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\CST6CDT.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Luxembourg.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.databinding.beans.nl_zh_4.4.0.v20140623020002.jar.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Europe\Monaco.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jre7\lib\deploy\messages_fr.properties.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Pacific\Midway.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-core-kit.xml.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\MediaCenter.Gadget\images\main_background.png.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\7-Zip\7z.sfx.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\te.pak.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Internet Explorer\sqmapi.dll.tmp	b92fcbce4796e61f6be95018e2956430N.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\contbig.gif.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Common Files\System\msadc\msadco.dll.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Dawson.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\es\System.Data.Services.Client.resources.dll.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Chicago.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.components.ui.ja_5.5.0.165303.jar.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Windows Media Player\it-IT\WMPDMCCore.dll.mui.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\icons\date-span-16.png.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-spi-actions_zh_CN.jar.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-core.jar.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Windows Journal\ja-JP\MSPVWCTL.DLL.mui.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Winnipeg.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT-3.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-queries_ja.jar.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Mozilla Firefox\firefox.exe.sig.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\MediaCenter.Gadget\images\button_MCELogo_mouseout.png.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\MediaCenter.Gadget\images\Gadget_Main_Background_Loading.png.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.net.nl_zh_4.4.0.v20140623020002.jar.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Microsoft Games\SpiderSolitaire\es-ES\SpiderSolitaire.exe.mui.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\packetizer\libpacketizer_av1_plugin.dll.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Windows Defender\es-ES\MpEvMsg.dll.mui.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\tr\LC_MESSAGES\vlc.mo.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Windows Defender\MpAsDesc.dll.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Windows Journal\Journal.exe.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Stucco.gif.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\ext\meta-index.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\UIAutomationTypes.dll.tmp	b92fcbce4796e61f6be95018e2956430N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.Data.Entity.dll.tmp	b92fcbce4796e61f6be95018e2956430N.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	b92fcbce4796e61f6be95018e2956430N.exe

C:\Users\Admin\AppData\Local\Temp\b92fcbce4796e61f6be95018e2956430N.exe
"C:\Users\Admin\AppData\Local\Temp\b92fcbce4796e61f6be95018e2956430N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2692

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-1-5-21-1488793075-819845221-1497111674-1000\desktop.ini.tmp

Filesize
18KB

MD5
f722676fb0301e7dcb9b999899b90958

SHA1
719d7e5b8a56e66c55b61f087853f4378d432704

SHA256
0bbcc84c30ed12b702920ff446ebee368b8f7efe8053c4d0e2092524eae446db

SHA512
14b896857c946794ca1138fec7b35301dbd9e7e8011e342622d17d5f1b89f08f71c8a2bbfbebf33953fd4a61800d39d67af5c46fc6a4417c70f5370a7e4f9315

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

Filesize
27KB

MD5
d2e7cb3269ff815023275504fa5beaf0

SHA1
e5dfe3c0819db5bd197dcde4f3540d9e28a33321

SHA256
6758a9da9079c9dac430e18a4d5f8857ef3d1afa84cfa030a4610b4181c0b1f2

SHA512
ed283d782dd4a4efc9e70d7d0e691b1104120621512c28ba1f88352468146423f413514995dbcb8f50aabdb5ca450187162396ecd9a58351fc5899ca2286a4f3

Download Submit
memory/2692-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2692-71-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download