95a7df567b760f4557b30ebd7607bfafaaf8f9890a16bd1cf1136e758596c6ce

General

Target

95a7df567b760f4557b30ebd7607bfafaaf8f9890a16bd1cf1136e758596c6ce.exe
Size

92KB
MD5

cbf414655e69ccaa6d9aa03bd7f1a597
SHA1

668b5cc41f2cb632bd4c4483b389b0758f55d2a7
SHA256

95a7df567b760f4557b30ebd7607bfafaaf8f9890a16bd1cf1136e758596c6ce
SHA512

4eeda4efb59225ba532dd021f6b9a83e80eb1850db811dccbbf46133a5030259d1aca146bab3fe3e70e628b926a8808ad8504fd4d9cff75ab06125700d8963ff

Score

8^/10

aspackv2

Malware Config

Signatures

ASPack v2.12-2.42 2 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\fcJ.exe	aspack_v212_v242
C:\Users\Admin\AppData\Local\Temp\fcJ.exe	aspack_v212_v242

Executes dropped EXE 1 IoCs

Processes:

fcJ.exe

pid process

4008 fcJ.exe

pid	process
4008	fcJ.exe

Drops file in Program Files directory 64 IoCs

Processes:

fcJ.exe

description	ioc	process
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javafxpackager.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jmc.exe	fcJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.3DBuilder_13.0.10349.0_x64__8wekyb3d8bbwe\Builder3D.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\pack200.exe	fcJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-hang-ui.exe	fcJ.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	fcJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_25.25.13009.0_x64__8wekyb3d8bbwe\XboxApp.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\unpack200.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\jjs.exe	fcJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_1.1702.21039.0_x64__8wekyb3d8bbwe\3DViewer.ResourceResolver.exe	fcJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1702.333.0_x64__8wekyb3d8bbwe\Time.exe	fcJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	fcJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	fcJ.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	fcJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Messaging_3.26.24002.0_x64__8wekyb3d8bbwe\MessagingApplication.exe	fcJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jstatd.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\ktab.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\java.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javapackager.exe	fcJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	fcJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	fcJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	fcJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\tnameserv.exe	fcJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\servertool.exe	fcJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	fcJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	fcJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_4.5.6.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\kinit.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\rmid.exe	fcJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	fcJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jstack.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\klist.exe	fcJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\onenoteim.exe	fcJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	fcJ.exe
File opened for modification	C:\Program Files (x86)\Google\Temp\GUM1CBD.tmp\GoogleUpdateSetup.exe	fcJ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\jabswitch.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\orbd.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\ssvagent.exe	fcJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	fcJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	fcJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	fcJ.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\HxTsr.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jdeps.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\orbd.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\serialver.exe	fcJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	fcJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	fcJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	fcJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\policytool.exe	fcJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.15.2003.0_x64__8wekyb3d8bbwe\GameBar.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jar.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\keytool.exe	fcJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	fcJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.10252.0_x64__8wekyb3d8bbwe\AppxClickHandler.exe	fcJ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\setup.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javah.exe	fcJ.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\jabswitch.exe	fcJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	fcJ.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

95a7df567b760f4557b30ebd7607bfafaaf8f9890a16bd1cf1136e758596c6ce.exefcJ.exe

description	pid	process	target process
PID 3256 wrote to memory of 4008	3256	95a7df567b760f4557b30ebd7607bfafaaf8f9890a16bd1cf1136e758596c6ce.exe	fcJ.exe
PID 3256 wrote to memory of 4008	3256	95a7df567b760f4557b30ebd7607bfafaaf8f9890a16bd1cf1136e758596c6ce.exe	fcJ.exe
PID 3256 wrote to memory of 4008	3256	95a7df567b760f4557b30ebd7607bfafaaf8f9890a16bd1cf1136e758596c6ce.exe	fcJ.exe
PID 4008 wrote to memory of 3520	4008	fcJ.exe	cmd.exe
PID 4008 wrote to memory of 3520	4008	fcJ.exe	cmd.exe
PID 4008 wrote to memory of 3520	4008	fcJ.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\95a7df567b760f4557b30ebd7607bfafaaf8f9890a16bd1cf1136e758596c6ce.exe
"C:\Users\Admin\AppData\Local\Temp\95a7df567b760f4557b30ebd7607bfafaaf8f9890a16bd1cf1136e758596c6ce.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3256

C:\Users\Admin\AppData\Local\Temp\fcJ.exe
C:\Users\Admin\AppData\Local\Temp\fcJ.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4008

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\68bb4e17.bat" "
3⤵
PID:3520

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\68bb4e17.bat
MD5
f57d208fa28a715b1a54af6bd973432b

SHA1
deb679f62835821b0a4db8f945297984af50391a

SHA256
2c266b53851cc5c689f3d372b3023ee4d566e68c0764ead3fb28ea533afd8b16

SHA512
dab197c0cae5279944de2352b744a25a0087c2c942a98f65769f05de3a43564081f858e9432472659e4322eaff8279c3b7138343a2de869332e3160c0e4274d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\fcJ.exe
MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
C:\Users\Admin\AppData\Local\Temp\fcJ.exe
MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3520-117-0x0000000000000000-mapping.dmp

Download
memory/4008-114-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads