8d0821c276bb477b3ea2b8752b6f0ce07f0d6140d4e9556a1b5e00b3e4da0d65

Analysis

max time kernel
120s
max time network
15s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/09/2024, 17:40

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General

Target

3a1985532abaf806eda83c1eb5855d80N.exe
Size

79KB
MD5

3a1985532abaf806eda83c1eb5855d80
SHA1

7ed8dd5f0ae6a8fb2073ad2222650b9a9d81ce5a
SHA256

8d0821c276bb477b3ea2b8752b6f0ce07f0d6140d4e9556a1b5e00b3e4da0d65
SHA512

ffaba3a5884b2ce858718ba8be79dd2e3636c3fe3eadabb212b5714c8cf60343c3a7ca306c3e179cdb4f281b10986737f897aa6e5724bddf6d385773a04ae641
SSDEEP

1536:V7Zf/FAxTWoJJZENTB/oP0DP0n3eTW7JJZENTB/oP0DP0I:fny1tEIP0DP0NtEIP0DP0I

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (362) 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/2876-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000d000000012251-2.dat	upx
behavioral1/files/0x0002000000010480-6.dat	upx
behavioral1/memory/2876-26-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\ta.txt.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\el-GR\tipresx.dll.mui.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\micaut.dll.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Month_Calendar.emf.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msadcor.dll.mui.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\mainimage-mask.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\MEIPreload\manifest.json.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\7-Zip\Lang\mng.txt.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdaosp.dll.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\chapters-static.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BlackRectangle.bmp.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Full\dotsdarkoverlay.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\15x15dot.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\specialmainsubpicture.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\nav_leftarrow.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\7-Zip\Lang\ro.txt.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\FlickLearningWizard.exe.mui.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ipsfra.xml.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\InkWatson.exe.mui.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\OFFICE14\CsiSoap.dll.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPC.DLL.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\System\ado\msadox.dll.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\16_9-frame-image-mask.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\notes-static.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\sw.pak.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\IpsMigrationPlugin.dll.mui.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\sqloledb.rll.mui.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdasql.dll.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\btn-back-static.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\whitevignette1047.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\Passport_PAL.wmv.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\VSTO\vstoee100.tlb.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\16_9-frame-highlight.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\NavigationLeft_ButtonGraphic.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\boxed-correct.avi.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Tiki.gif.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\ShapeCollector.exe.mui.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_btn-previous-over-select.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\photograph.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\redmenu.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\7-Zip\Lang\lij.txt.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Filters\VISFILT.DLL.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\Alphabet.xml.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msadcfr.dll.mui.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\sqloledb.rll.mui.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\sqloledb.rll.mui.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\Notes_loop.wmv.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\title_trans_scene.wmv.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\pt-PT.pak.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\boxed-split.avi.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwresplm.dat.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\VC\msdia100.dll.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\SceneButtonInset_Alpha2.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\7-Zip\readme.txt.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\rtscom.dll.mui.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Common Files\SpeechEngines\Microsoft\TTS20\en-US\MSTTSFrontendENU.dll.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\fr-FR\OmdProject.dll.mui.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\16_9-frame-background.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\Scene_loop_PAL.wmv.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\rollinghills.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Shatter\NavigationUp_ButtonGraphic.png.tmp	3a1985532abaf806eda83c1eb5855d80N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe.tmp	3a1985532abaf806eda83c1eb5855d80N.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	3a1985532abaf806eda83c1eb5855d80N.exe

C:\Users\Admin\AppData\Local\Temp\3a1985532abaf806eda83c1eb5855d80N.exe
"C:\Users\Admin\AppData\Local\Temp\3a1985532abaf806eda83c1eb5855d80N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2876

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-1-5-21-457978338-2990298471-2379561640-1000\desktop.ini.tmp

Filesize
79KB

MD5
5f92751d5cf11092595d0d71eb17529d

SHA1
519851ab4aef6b38cd56b3d653f0253cfaedeb93

SHA256
1ad3632aad2dbb14671461cf224e2792d5ea6adc59570373fcdb3972782b3565

SHA512
7b2e3c058e1dbbaef698ed38311118e948fd0c24f05a66ee48df8b3afb32b885f89e7541f9dfa8e21d2adf02294de481915ef35a858cee1b6795b5f9bf913928

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

Filesize
88KB

MD5
800e8adff2e7310abb66b95bcf3bd238

SHA1
83c8b281fe5cfba8bfdc4fdc07901fa74134b0d1

SHA256
648ae498573a1c51104f637cb61382df9dfe57b6142c66e2d9f4c762cbef7b1c

SHA512
4b8043c92fcd5730546b93a2ab31243afa8927930262f93591e50c0daca9597f7388a6608042bb86c17fff89603b594a23dbeabdb178774b25a328ff8c620875

Download Submit
memory/2876-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2876-26-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download