bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060dd

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/09/2024, 07:06

Sharing

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General

Target

bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
Size

31KB
MD5

80bd7f2d19dc270d31df448204c8ce70
SHA1

55d3733a486ff2af216b81e6dee908cceb9be2a3
SHA256

bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060dd
SHA512

363103e5b371f4ec78087d95816024dc56f06d576db7c5feeca04d53602c7b4833aa7756f2575f5474dbfb81e8629885f3880eded25c1c44baf32369fed20961
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9Ro+QOViJfo+QOViJ6KZONZOSBAoT1GxXupoa:CTW7JJ7TPU/

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4115) 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/2112-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x000a0000000122ce-2.dat	upx
behavioral1/files/0x0002000000010621-6.dat	upx
behavioral1/memory/2112-75-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre7\lib\zi\Pacific\Guadalcanal.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\en-US\settings.html.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\1033\MSSOAPR3.DLL.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\LEVEL\THMBNAIL.PNG.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\images\base-undocked-3.png.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\jfxrt.jar.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\libx264_plugin.dll.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-uisupport.jar.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Dubai.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_gray_foggy.png.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\1033\STINTL.DLL.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Pretty_Peacock.jpg.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\White_Chocolate.jpg.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.di_1.0.0.v20140328-2112.jar.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Java\jre7\bin\gstreamer-lite.dll.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\7-Zip\Lang\hu.txt.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\VideoWall\videowall.png.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-core-windows.xml.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\demux\libasf_plugin.dll.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\square.png.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files (x86)\Common Files\microsoft shared\ink\de-DE\mip.exe.mui.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Vilnius.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\com.jrockit.mc.rcp.product_5.5.0.165303\feature.properties.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Microsoft Games\Minesweeper\it-IT\Minesweeper.exe.mui.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Windows Media Player\wmpenc.exe.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files (x86)\Common Files\microsoft shared\Stationery\HandPrints.jpg.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\InputPersonalization.exe.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Common Files\System\ja-JP\wab32res.dll.mui.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\nacl_irt_x86_64.nexe.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.core.commands_0.10.2.v20140424-2344.jar.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\shuffle_up.png.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files (x86)\Common Files\microsoft shared\TextConv\WPEQU532.DLL.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\DVD Maker\de-DE\WMM2CLIP.dll.mui.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Anchorage.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Vienna.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Java\jre7\lib\deploy\messages.properties.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Java\jre7\lib\images\cursors\win32_CopyDrop32x32.gif.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\images\item_hover_flyout.png.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Microsoft Games\Minesweeper\fr-FR\Minesweeper.exe.mui.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Common Files\System\ado\ja-JP\msader15.dll.mui.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\NavigationLeft_ButtonGraphic.png.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Windows Media Player\fr-FR\wmpnssci.dll.mui.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\de-DE\calendar.html.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\es-ES\js\RSSFeeds.js.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\30.png.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\libscte27_plugin.dll.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Windows Media Player\Media Renderer\DMR_48.png.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kcms.dll.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\logger\libfile_logger_plugin.dll.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\stream_out\libstream_out_record_plugin.dll.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Pontianak.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Windows Mail\WinMail.exe.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\tabskb.dll.mui.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\VideoLAN\VLC\locale\fa\LC_MESSAGES\vlc.mo.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\audio_filter\libspatializer_plugin.dll.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins3d\2d.x3d.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.metadata.repository.nl_ja_4.4.0.v20140623020002.jar.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\de-DE\js\timeZones.js.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files (x86)\Common Files\microsoft shared\Source Engine\OSE.EXE.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.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\html\cpyr.htm.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\Java\jre7\lib\zi\Europe\Tallinn.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\libqsv_plugin.dll.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\video_chroma\libi420_rgb_plugin.dll.tmp	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.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	bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe

C:\Users\Admin\AppData\Local\Temp\bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe
"C:\Users\Admin\AppData\Local\Temp\bb81b2dc161ef13f39b2136721b9620b17063e60ac33798cb7087e8b701060ddN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2112

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-1-5-21-312935884-697965778-3955649944-1000\desktop.ini.tmp

Filesize
31KB

MD5
f0a354911f8cb2c841195b82d3d1e1ae

SHA1
269011aca9322d40ada73973236584a1302e1599

SHA256
7aa9420671447658e6c635c8d754dcc008b09c78ff65b557e741078184fe281a

SHA512
5f50e525e09be19d0816940cc772695d383af37a94fb6fe4fc7602cc7831a562c395d6b76426923e2525e5dfbccf1072b6ecc2d1e65bbf49b92f9c52acaca537

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

Filesize
40KB

MD5
b21fca927fbaaf2b7156824a027c14d3

SHA1
8b77c29b5aafe009cf139825a34cee1d9f7240bf

SHA256
d05bded39acf2c5bd10eac1d2e8c97968db1547288735da2e5a3f361ad73acd1

SHA512
4db2298ae574fa2ff7e9f5ab906e57b8a5f016e79783dab3de28c96c3227664a01d8fbf80c34d9b773e4bc5502fc3acb4f36ef1e997202642de3e628dce2486b

Download Submit
memory/2112-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2112-75-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download