9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598

General

Target

d64d84d5_by_Libranalysis.exe
Size

80KB
MD5

d64d84d57fc9cc6528acf7b78e0698ff
SHA1

4a41c8a73a62aa28984c442ad1172323776fca28
SHA256

9dd2eb7c197323caa4b78641ce05ad9c3e28622164f813caa992c28a88ad8598
SHA512

909733bcb2fec9f65266a886d0d2a0b3a9e27fa3904876eb5e9387946cfbba2546ad12df56bfdb58b0454ef2900ed3eff52a4683e27d6984ace02c68633b3bbb

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

Executes dropped EXE 1 IoCs

Processes:

uRubfT.exe

pid process

1916 uRubfT.exe

pid	process
1916	uRubfT.exe

Drops file in Program Files directory 64 IoCs

Processes:

uRubfT.exe

description	ioc	process
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javafxpackager.exe	uRubfT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Messaging_3.26.24002.0_x64__8wekyb3d8bbwe\MessagingApplication.exe	uRubfT.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{E687748C-6A62-4AE0-B6D7-7B85689627E9}\89.0.4389.114_chrome_installer.exe	uRubfT.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\rmiregistry.exe	uRubfT.exe
File opened for modification	C:\Program Files\Windows Defender\Offline\OfflineScannerShell.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\java.exe	uRubfT.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCuiL.exe	uRubfT.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	uRubfT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.16112.11601.0_x64__8wekyb3d8bbwe\Video.UI.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jar.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jconsole.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\ktab.exe	uRubfT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	uRubfT.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jcmd.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\xjc.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\rmid.exe	uRubfT.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	uRubfT.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.35.452\GoogleCrashHandler.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\appletviewer.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jstack.exe	uRubfT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	uRubfT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	uRubfT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	uRubfT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	uRubfT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	uRubfT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_1.1702.21039.0_x64__8wekyb3d8bbwe\3DViewer.exe	uRubfT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	uRubfT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	uRubfT.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\tnameserv.exe	uRubfT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	uRubfT.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	uRubfT.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	uRubfT.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\89.0.4389.114\89.0.4389.114_chrome_installer.exe	uRubfT.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jsadebugd.exe	uRubfT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2017.125.40.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javac.exe	uRubfT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	uRubfT.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	uRubfT.exe
File opened for modification	C:\Program Files\Windows Defender\NisSrv.exe	uRubfT.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jmc.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\javaw.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\javacpl.exe	uRubfT.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\pack200.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\lib\nbexec.exe	uRubfT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1702.312.0_x64__8wekyb3d8bbwe\Calculator.exe	uRubfT.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\unpack200.exe	uRubfT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\klist.exe	uRubfT.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\bin\ktab.exe	uRubfT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	uRubfT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeHost.exe	uRubfT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.14.2002.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	uRubfT.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	uRubfT.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\chrome_pwa_launcher.exe	uRubfT.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	uRubfT.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	uRubfT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe	uRubfT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	uRubfT.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:

d64d84d5_by_Libranalysis.exeuRubfT.exe

description	pid	process	target process
PID 3680 wrote to memory of 1916	3680	d64d84d5_by_Libranalysis.exe	uRubfT.exe
PID 3680 wrote to memory of 1916	3680	d64d84d5_by_Libranalysis.exe	uRubfT.exe
PID 3680 wrote to memory of 1916	3680	d64d84d5_by_Libranalysis.exe	uRubfT.exe
PID 1916 wrote to memory of 196	1916	uRubfT.exe	cmd.exe
PID 1916 wrote to memory of 196	1916	uRubfT.exe	cmd.exe
PID 1916 wrote to memory of 196	1916	uRubfT.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\d64d84d5_by_Libranalysis.exe
"C:\Users\Admin\AppData\Local\Temp\d64d84d5_by_Libranalysis.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3680

C:\Users\Admin\AppData\Local\Temp\uRubfT.exe
C:\Users\Admin\AppData\Local\Temp\uRubfT.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1916

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5cf90574.bat" "
3⤵
PID:196

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\5cf90574.bat
MD5
a77ca654021c0267fc022c1065ffced6

SHA1
fe7b19cb665fdca6aa9c303443074f2ea8e251e0

SHA256
c6ad5b8533f40f56c5e147ffa6b101b6da8b3e881bb358eb0946d895f19035ac

SHA512
47c103be82316e54a70bddfb88f2db2b97e8f434c81eb3e527d5e7509f12bd9f6c8f78d29d5034f4f7a53f1224e0909ff7cc8fc73f14e947b6f16afb19bee25d

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

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

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

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/196-117-0x0000000000000000-mapping.dmp

Download
memory/1916-114-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads