847b9f764ccf6f71b93222757bedb4642790a3dc8c8d5598c2c5f381a44d40af

General

Target

847b9f764ccf6f71b93222757bedb4642790a3dc8c8d5598c2c5f381a44d40af.exe
Size

208KB
MD5

63521e956b21ccf6cc384ae2e1e60f25
SHA1

cbc2d39474aaf0ea433e69951fd9f1295b6f5d84
SHA256

847b9f764ccf6f71b93222757bedb4642790a3dc8c8d5598c2c5f381a44d40af
SHA512

b24f5a98305f8f3ad1c44a9b83d70b73d907cb1a5301afcfc15323ef044f5eb19e60395fd9bdc22ebd2f0dad85aea31eaf0956eef1e0dcc9b843880b470ba8f3

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\fHKw.exe	aspack_v212_v242
C:\Users\Admin\AppData\Local\Temp\fHKw.exe	aspack_v212_v242

Executes dropped EXE 1 IoCs

Processes:

fHKw.exe

pid process

2372 fHKw.exe

pid	process
2372	fHKw.exe

Drops file in Program Files directory 64 IoCs

Processes:

fHKw.exe

description	ioc	process
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jstack.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\policytool.exe	fHKw.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	fHKw.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javaws.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\jp2launcher.exe	fHKw.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	fHKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	fHKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_17.8010.5926.0_x64__8wekyb3d8bbwe\Office16\OfficeHubWin32.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\kinit.exe	fHKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	fHKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	fHKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	fHKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\rmid.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\unpack200.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jjs.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\ktab.exe	fHKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	fHKw.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	fHKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	fHKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	fHKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1.10531.0_x64__8wekyb3d8bbwe\PeopleApp.exe	fHKw.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	fHKw.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	fHKw.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\notification_helper.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\java.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\rmic.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\keytool.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jdb.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\tnameserv.exe	fHKw.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	fHKw.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	fHKw.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{E687748C-6A62-4AE0-B6D7-7B85689627E9}\89.0.4389.114_chrome_installer.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jvisualvm.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\orbd.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\pack200.exe	fHKw.exe
File opened for modification	C:\Program Files\Windows Defender\Offline\OfflineScannerShell.exe	fHKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_1.1702.21039.0_x64__8wekyb3d8bbwe\3DViewer.ResourceResolver.exe	fHKw.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	fHKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jcmd.exe	fHKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Solitaire.exe	fHKw.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jconsole.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\lib\nbexec64.exe	fHKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	fHKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.OneConnect_2.1701.277.0_x64__8wekyb3d8bbwe\OneConnect.exe	fHKw.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.35.452\GoogleUpdateSetup.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\kinit.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\rmid.exe	fHKw.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	fHKw.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\java.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\jp2launcher.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\tnameserv.exe	fHKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	fHKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.15.2003.0_x64__8wekyb3d8bbwe\GameBar.exe	fHKw.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javaw.exe	fHKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	fHKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1612.10312.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javapackager.exe	fHKw.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jhat.exe	fHKw.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:

847b9f764ccf6f71b93222757bedb4642790a3dc8c8d5598c2c5f381a44d40af.exefHKw.exe

description	pid	process	target process
PID 3724 wrote to memory of 2372	3724	847b9f764ccf6f71b93222757bedb4642790a3dc8c8d5598c2c5f381a44d40af.exe	fHKw.exe
PID 3724 wrote to memory of 2372	3724	847b9f764ccf6f71b93222757bedb4642790a3dc8c8d5598c2c5f381a44d40af.exe	fHKw.exe
PID 3724 wrote to memory of 2372	3724	847b9f764ccf6f71b93222757bedb4642790a3dc8c8d5598c2c5f381a44d40af.exe	fHKw.exe
PID 2372 wrote to memory of 2120	2372	fHKw.exe	cmd.exe
PID 2372 wrote to memory of 2120	2372	fHKw.exe	cmd.exe
PID 2372 wrote to memory of 2120	2372	fHKw.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\847b9f764ccf6f71b93222757bedb4642790a3dc8c8d5598c2c5f381a44d40af.exe
"C:\Users\Admin\AppData\Local\Temp\847b9f764ccf6f71b93222757bedb4642790a3dc8c8d5598c2c5f381a44d40af.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3724

C:\Users\Admin\AppData\Local\Temp\fHKw.exe
C:\Users\Admin\AppData\Local\Temp\fHKw.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2372

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\406f2716.bat" "
3⤵
PID:2120

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\406f2716.bat
MD5
c4a115f685db7064c607468e00215fc6

SHA1
4673baaf4a47dfcc0cf549eda129fea627ac13b8

SHA256
f88c0bf7487c81b98f1b7c11a71ffe8145a52494c8caaf3a82f5044abdf39e1a

SHA512
71386a930ce4a40c32a17b453e0e01a6c4c145f3aaabab48ed1f5c08658448b567caba4906c0a74a2efa3b827a1ab7d9bda1ab7fc1420e2fb10a14fcdf37cb55

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

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2120-117-0x0000000000000000-mapping.dmp

Download
memory/2372-114-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads