b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a

Analysis

max time kernel
120s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/01/2025, 21:09

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General

Target

b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
Size

738KB
MD5

eab7ea8cade944ee7641cd0d7f063bd2
SHA1

1b4a0155648fc4227d61ccd15cc036bf023c1931
SHA256

b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a
SHA512

795c37944a1e8efc462e6066e90a6a1ea823ed2a8deab035d7d149d8ce2b7422001a51aa27538354c50a5683f6541134b921a828f1924a08521ba5e190f43b30
SSDEEP

12288:+IZGNXkbvLbIZGNXkbvL6D+k3aJ5xDfN4D7/SAOZi+5u4+rcKftu:+IZaXkbv/IZaXkbv0kJTR4D7/SAOZi+9

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (845) 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/2156-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x0007000000012119-2.dat	upx
behavioral1/files/0x0002000000010541-6.dat	upx
behavioral1/memory/2156-64-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\MSInfo\ja-JP\msinfo32.exe.mui.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Internet Explorer\IEShims.dll.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\JdbcOdbc.dll.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Yellowknife.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\nav_rightarrow.png.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\title_trans_scene.wmv.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\uk.pak.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\7-Zip\Lang\et.txt.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\7-Zip\Lang\pt.txt.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\7-Zip\Lang\sq.txt.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\plugin.jar.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Ulaanbaatar.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.cpl.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\es-ES\FlickLearningWizard.exe.mui.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\DVD Maker\de-DE\OmdProject.dll.mui.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Push\push.png.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Rectangles\1047x576_91n92.png.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Internet Explorer\en-US\eula.rtf.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\16_9-frame-highlight.png.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Internet Explorer\ieproxy.dll.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\7-Zip\7zCon.sfx.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\7-Zip\Lang\hr.txt.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwrcommonlm.dat.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\4to3Squareframe_SelectionSubpicture.png.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Push\NavigationUp_ButtonGraphic.png.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\bin\NetworkServerControl.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Winnipeg.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Beirut.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Hovd.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Kamchatka.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\7-Zip\Lang\ext.txt.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\TravelIntroToMainMask.wmv.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\bg.pak.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\include\win32\jni_md.h.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Argentina\San_Juan.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\server\classes.jsa.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Rainy_River.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\es-ES\InputPersonalization.exe.mui.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\LightBlueRectangle.PNG.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\TravelIntroToMainMask_PAL.wmv.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\SmallLogoDev.png.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Common Files\System\ado\fr-FR\msader15.dll.mui.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\sqloledb.rll.mui.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\DVD Maker\de-DE\DVDMaker.exe.mui.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\BabyBoyMainBackground.wmv.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Internet Explorer\iedvtool.dll.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\deploy\messages_ko.properties.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\fonts\LucidaSansRegular.ttf.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Antarctica\Mawson.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\FlickLearningWizard.exe.mui.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\IPSEventLogMsg.dll.mui.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msdaprsr.dll.mui.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Rectangles\NavigationLeft_SelectionSubpicture.png.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\am.pak.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\ShapeCollector.exe.mui.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\flower_trans_matte.wmv.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\whitevignette1047.png.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\bg-BG\tipresx.dll.mui.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_specialocc_Thumbnail.bmp.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_zh_TW.jar.tmp	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.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	b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe

C:\Users\Admin\AppData\Local\Temp\b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe
"C:\Users\Admin\AppData\Local\Temp\b43be4ea1cdf1c9c291ec7b05403a47b06db9c7a896ae3f08798b4b7d40c313a.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2156

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-1-5-21-1846800975-3917212583-2893086201-1000\desktop.ini.tmp

Filesize
738KB

MD5
4eb648ab7d5cbdc31da05656998e7a2b

SHA1
ab43cda320432874e19287a88a267c9391782247

SHA256
d33264e55518244900476292dec50664671b83f2aebcbf432415d016123eafeb

SHA512
f52a6b82dc59d5d4ce346b632bddf040a98d1dfb74f45cd00885d1b2b457c5c151a886faaa02407e47e378b9d43dab5950cad46d4190e788ac3d2f3e15ca26f4

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

Filesize
747KB

MD5
fd23d90fa7de8e9afca660fc7ef05e1e

SHA1
16d5bafed15ce6a60e907474efad31d5bb39ca64

SHA256
f761f2a772a562de4c2dad62f8c2be6673100d00a775867c4fe94e4372e1370c

SHA512
f5556837973563a470caad6ef24e586c38ce35a43915c205188a77091ebd5cdcac46051abe6038e492b44899643167d0ffab1b027847a8418b2e711b25c07001

Download Submit
memory/2156-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2156-64-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download